 |
| Customization: | Available |
|---|---|
| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
| Quantity: | |
|---|---|
(1)Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows
(2)Advantages
• Shaft protection over the entire seal length
• Protection of the seal face during installation due to special bellows design
• Insensitive to shaft deflections due to large axial movement ability
• Universal application opportunities
• Important material certifications available
• High flexibility due to wide offer on materials
• Suitable for low-end sterile applications
• Special design for hot water pumps (RMG12) available
• Dimension adaptions and additional seats available
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 10 ... 100 mm (0.39" ... 3.94")
Pressure: p1 = 16 bar (230 PSI),
vacuum ... 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI)
with seat locking
Temperature: t = -20 °C ... +140 °C (-4 °F ... +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±2.0 mm
(4)Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1),
Tungsten carbide (U3)
Seat: Silicon carbide (Q1, Q2), Tungsten carbide (U3),
Special cast CrMo steel (S), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy C-4 (M)
(5)Standards and approvals
• Material approvals: e.g. FDA, WRAS, KTW, ACS, W270
• EN12756 (MG12, MG13)
(6)Recommended applications
• Water and waste water technology
• Food and beverage industry
• Pulp and paper industry
• Chemical industry
• Oil applications
• Water, waste water, slurries (up to 5 % by weight)
• Pulp (up to 4 % otro)
• Latex
• Dairies, beverages
• Sulfide slurries
• Chemicals
• Oils
• Chemical standard pumps
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waster water pumps
(7)Item Part no. to DIN 24250 Description
1.1 472 Seal face
1.2 481 Bellows
1.3 484.2 "L"-ring (spring collar)
1.4 484.1 "L"-ring (spring collar)
1.5 477 Spring
2 475 Seat
3 412 O-Ring or cup rubber
(8)Product variants
MG12
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1k according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
MG1S20
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the special
fitting length I1S in combination with seat G50.
MG13
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1N according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
RMG12
Identical to MG12, but with a special bellows surface on
the shaft side. For use in hot water pumps up to 120 °C
(248 °F) and 25 bar (363 ft/s) or 140 °C (284 °F)
and 16 bar (232 PSI). Only in combination with seat
G606 (d1 = 12 ... 38 mm) (0.47" ... 1.50").
Seal face: Tungsten Carbide (U3)
Seat G606: Carbon graphite resin impregnated (B)
(9)Seat alternatives
Dimensions in mm
| d1 | d3 | d6 | d7 | d8 | d11 | d12 | d14 | d16 | da | db*) | dm*) | ds*) | dST | L | L1 | L1k | L1N | L1S | L2 | L3 | L5 | L6 | L7 | L8 | L9 | L10 | L12 | L14 | L15 | L16 | L17 | L28 | L29 | R |
| 10 | 15.70 | 17.00 | 21.00 | 3.00 | 15.50 | 19.20 | 11.00 | 24.60 | 22.50 | 20.50 | 18.00 | 18.00 | 24.00 | 14.50 | 25.90 | 32.50 | 40.00 | 34.00 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 7.50 | 6.60 | 1.20 | 3.80 | 7.50 | 6.60 | 9.00 | 1.20 |
| 12 | 17.70 | 19.00 | 23.00 | 3.00 | 17.50 | 21.60 | 13.50 | 27.80 | 25.00 | 22.50 | 20.00 | 20.00 | 26.00 | 15.00 | 25.90 | 32.50 | 40.00 | 34.00 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 6.50 | 5.60 | 1.20 | 3.80 | 7.50 | 6.60 | 9.00 | 1.20 |
| 14 | 19.70 | 21.00 | 25.00 | 3.00 | 20.50 | 24.60 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | 35.00 | 40.00 | 35.50 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 6.50 | 5.60 | 1.20 | 3.80 | 9.00 | 6.60 | 10.50 | 1.20 |
| 15 | 20.80 | - | - | - | 20.50 | 24.60 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | - | - | 35.50 | 33.40 | 25.00 | - | - | - | - | - | - | 7.50 | 6.60 | 1.20 | 3.80 | 9.00 | - | 10.50 | 1.20 |
| 16 | 21.00 | 23.00 | 27.00 | 3.00 | 22.00 | 28.00 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | 35.00 | 40.00 | 35.50 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 6.60 | 10.50 | 1.50 |
| 18 | 23.70 | 27.00 | 33.00 | 3.00 | 24.00 | 30.00 | 20.00 | 34.15 | 32.00 | 29.00 | 29.00 | 26.00 | 33.00 | 19.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 9.00 | 8.00 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 19 | 26.70 | - | - | - | - | - | 20.00 | 34.15 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | - | - | 35.50 | 37.50 | 25.00 | - | - | - | - | - | - | - | - | - | - | 9.00 | - | 10.50 | - |
| 20 | 26.70 | 29.00 | 35.00 | 3.00 | 29.50 | 35.00 | 21.50 | 35.70 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 22 | 27.70 | 31.00 | 37.00 | 3.00 | 29.50 | 35.00 | 23.00 | 37.30 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 24 | 31.20 | 33.00 | 39.00 | 3.00 | 32.00 | 38.00 | 26.50 | 40.50 | 42.50 | 38.00 | 38.00 | 32.00 | 44.00 | 22.50 | 32.50 | 40.00 | 50.00 | 35.50 | 42.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 25 | 31.20 | 34.00 | 40.00 | 3.00 | 32.00 | 38.00 | 26.50 | 40.50 | 42.50 | 38.00 | 38.00 | 32.00 | 44.00 | 23.00 | 32.50 | 40.00 | 50.00 | 35.50 | 42.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 28 | 35.00 | 37.00 | 43.00 | 3.00 | 36.00 | 42.00 | 29.50 | 47.65 | 49.00 | 44.00 | 37.00 | 37.00 | 50.00 | 26.50 | 35.00 | 42.50 | 50.00 | 45.00 | 42.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 10.00 | 9.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 30 | 37.00 | 39.00 | 45.00 | 3.00 | 39.20 | 45.00 | 32.50 | 50.80 | 49.00 | 44.00 | 37.00 | 37.00 | 50.00 | 26.50 | 35.00 | 42.50 | 50.00 | 45.00 | 42.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 11.50 | 10.50 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 32 | 40.20 | 42.00 | 48.00 | 3.00 | 42.20 | 48.00 | 32.50 | 50.80 | 53.50 | 46.00 | 41.00 | 41.00 | 55.00 | 27.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 11.50 | 10.50 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 33 | 40.20 | 42.00 | 48.00 | 3.00 | 44.20 | 50.00 | 36.50 | 54.00 | 53.50 | 46.00 | 41.00 | 41.00 | 55.00 | 27.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 12.00 | 11.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 35 | 43.20 | 44.00 | 50.00 | 3.00 | 46.20 | 52.00 | 36.50 | 54.00 | 57.00 | 50.00 | 44.00 | 44.00 | 59.00 | 28.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 12.00 | 11.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 38 | 46.20 | 49.00 | 56.00 | 4.00 | 49.20 | 55.00 | 39.50 | 57.15 | 59.00 | 53.00 | 53.00 | 47.00 | 61.00 | 30.00 | 36.00 | 45.00 | 55.00 | 45.00 | 46.00 | 33.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 11.30 | 10.30 | 1.50 | 5.00 | 10.50 | 9.00 | 12.00 | 1.50 |
| 40 | 48.80 | 51.00 | 58.00 | 4.00 | 52.20 | 58.00 | 42.50 | 60.35 | 62.00 | 55.00 | 55.00 | 49.00 | 64.00 | 30.00 | 36.00 | 45.00 | 55.00 | 45.00 | 46.00 | 33.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 11.80 | 10.80 | 1.50 | 5.00 | 10.50 | 9.00 | 12.00 | 1.50 |
| 42 | 51.80 | - | - | - | 53.30 | 62.00 | 46.00 | 63.50 | 65.50 | 58.00 | 53.00 | 53.00 | 67.00 | 30.00 | 36.00 | - | - | 53.00 | 51.00 | 41.00 | - | - | - | - | - | - | 13.20 | 12.00 | 2.00 | 6.00 | 10.50 | - | 12.00 | 2.50 |
| 43 | 51.80 | 54.00 | 61.00 | 4.00 | 53.30 | 62.00 | 46.00 | 63.50 | 65.50 | 58.00 | 53.00 | 53.00 | 67.00 | 30.00 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 13.20 | 12.00 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 45 | 53.80 | 56.00 | 63.00 | 4.00 | 55.30 | 64.00 | 46.00 | 63.50 | 68.00 | 60.00 | 55.00 | 55.00 | 70.00 | 30.00 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 12.80 | 11.60 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 48 | 56.80 | 59.00 | 66.00 | 4.00 | 59.70 | 68.40 | 49.00 | 66.70 | 70.50 | 63.00 | 58.00 | 58.00 | 74.00 | 30.50 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 12.80 | 11.60 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 50 | 58.80 | 62.00 | 70.00 | 4.00 | 60.80 | 69.30 | 52.00 | 69.85 | 74.00 | 65.00 | 60.00 | 60.00 | 77.00 | 30.50 | 38.00 | 47.50 | 60.00 | 54.50 | 50.50 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 10.50 | 12.80 | 11.60 | 2.00 | 6.00 | 12.00 | 9.50 | 13.50 | 2.50 |
| 53 | 62.20 | 65.00 | 73.00 | 4.00 | 63.80 | 72.30 | 55.50 | 73.05 | 78.50 | 70.00 | 63.00 | 63.00 | 81.00 | 33.00 | 36.50 | 47.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 13.50 | 12.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 55 | 64.20 | 67.00 | 75.00 | 4.00 | 66.50 | 75.40 | 58.50 | 76.20 | 81.00 | 72.00 | 65.00 | 65.00 | 83.00 | 35.00 | 36.50 | 47.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 58 | 67.20 | 70.00 | 78.00 | 4.00 | 69.50 | 78.40 | 61.50 | 79.40 | 85.50 | 75.00 | 68.00 | 68.00 | 88.00 | 37.00 | 41.50 | 52.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 60 | 70.00 | 72.00 | 80.00 | 4.00 | 71.50 | 80.40 | 61.50 | 79.40 | 88.50 | 79.00 | 70.00 | 70.00 | 91.00 | 38.00 | 41.50 | 52.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 65 | 75.00 | 77.00 | 85.00 | 4.00 | 76.50 | 85.40 | 68.00 | 92.10 | 93.50 | 84.00 | 77.00 | 77.00 | 96.00 | 40.00 | 41.50 | 52.50 | 80.00 | 65.00 | 69.00 | 49.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.20 | 13.00 | 2.00 | 6.00 | 14.50 | 11.00 | 16.00 | 2.50 |
| 68 | 78.00 | 81.00 | 90.00 | 4.00 | 82.70 | 91.50 | 71.00 | 95.25 | 96.50 | 88.00 | 80.00 | 80.00 | 100.00 | 40.00 | 41.20 | 52.50 | 80.00 | 65.00 | 68.70 | 49.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 14.90 | 13.70 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 70 | 80.00 | 83.00 | 92.00 | 4.00 | 83.00 | 92.00 | 71.00 | 95.25 | 99.50 | 90.00 | 82.00 | 82.00 | 103.00 | 40.00 | 48.70 | 60.00 | 80.00 | 65.00 | 68.70 | 49.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 14.20 | 13.00 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 75 | 85.50 | 88.00 | 97.00 | 4.00 | 90.20 | 99.00 | 77.50 | 101.60 | 107.00 | 95.00 | 87.00 | 87.00 | 110.00 | 40.00 | 48.70 | 60.00 | 80.00 | 68.00 | 68.70 | 52.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 15.20 | 14.00 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 80 | 90.50 | 95.00 | 105.00 | 4.00 | 95.20 | 104.00 | 84.00 | 114.30 | 112.00 | 100.00 | 92.00 | 92.00 | 116.00 | 40.00 | 48.00 | 60.00 | 90.00 | 76.00 | 78.00 | 56.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 13.00 | 16.20 | 15.00 | 2.00 | 6.00 | 18.50 | 12.00 | 20.00 | 2.50 |
| 85 | 96.00 | 100.00 | 110.00 | 4.00 | 100.20 | 109.00 | 87.00 | 117.50 | 120.00 | 107.00 | 97.00 | 97.00 | 124.00 | 41.00 | 46.00 | 60.00 | 90.00 | 76.00 | 76.00 | 56.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 15.00 | 16.00 | 14.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 90 | 102.00 | 105.00 | 115.00 | 4.00 | 105.20 | 114.00 | 93.50 | 123.85 | 127.00 | 114.00 | 104.00 | 104.00 | 131.00 | 45.00 | 51.00 | 65.00 | 90.00 | 79.00 | 76.00 | 59.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 15.00 | 16.00 | 14.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 95 | 107.00 | 110.00 | 120.00 | 4.00 | 111.60 | 120.30 | 96.50 | 127.00 | 132.00 | 119.00 | 109.00 | 109.00 | 136.00 | 46.00 | 51.00 | 65.00 | 90.00 | 79.00 | 76.00 | 59.00 | 3.00 | 7.00 | 9.00 | 25.20 | 17.20 | 15.00 | 17.00 | 15.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 100 | 112.00 | 115.00 | 125.00 | 4.00 | 114.50 | 123.30 | 103.00 | 133.35 | 137.00 | 124.00 | 114.00 | 114.00 | 140.00 | 47.00 | 51.00 | 65.00 | 90.00 | 82.00 | 76.00 | 62.00 | 3.00 | 7.00 | 9.00 | 25.20 | 17.20 | 15.00 | 17.00 | 15.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| Fitting length/axial movement tolerances: d1 10 ... 12 mm ±0.5; d1 14 ... 18 mm ±1.0; d1 20 ... 26 mm ±1.5; d1 = 28 ... 100 mm ±2.0 ) Minimum diameter of the mating colla | ||||||||||||||||||||||||||||||||||
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
(1)Features
• For plain shafts
• Single and dual seal
• Elastomer bellows rotating
• Unbalanced
• Independent of direction of rotation
• No torsion on bellows
(2)Advantages
• Shaft protection over the entire seal length
• Protection of the seal face during installation due to special bellows design
• Insensitive to shaft deflections due to large axial movement ability
• Universal application opportunities
• Important material certifications available
• High flexibility due to wide offer on materials
• Suitable for low-end sterile applications
• Special design for hot water pumps (RMG12) available
• Dimension adaptions and additional seats available
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 10 ... 100 mm (0.39" ... 3.94")
Pressure: p1 = 16 bar (230 PSI),
vacuum ... 0.5 bar (7.25 PSI), up to 1 bar (14.5 PSI)
with seat locking
Temperature: t = -20 °C ... +140 °C (-4 °F ... +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±2.0 mm
(4)Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B), Silicon carbide (Q1),
Tungsten carbide (U3)
Seat: Silicon carbide (Q1, Q2), Tungsten carbide (U3),
Special cast CrMo steel (S), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy C-4 (M)
(5)Standards and approvals
• Material approvals: e.g. FDA, WRAS, KTW, ACS, W270
• EN12756 (MG12, MG13)
(6)Recommended applications
• Water and waste water technology
• Food and beverage industry
• Pulp and paper industry
• Chemical industry
• Oil applications
• Water, waste water, slurries (up to 5 % by weight)
• Pulp (up to 4 % otro)
• Latex
• Dairies, beverages
• Sulfide slurries
• Chemicals
• Oils
• Chemical standard pumps
• Helical screw pumps
• Stock pumps
• Circulating pumps
• Submersible pumps
• Water and waster water pumps
(7)Item Part no. to DIN 24250 Description
1.1 472 Seal face
1.2 481 Bellows
1.3 484.2 "L"-ring (spring collar)
1.4 484.1 "L"-ring (spring collar)
1.5 477 Spring
2 475 Seat
3 412 O-Ring or cup rubber
(8)Product variants
MG12
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1k according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
MG1S20
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the special
fitting length I1S in combination with seat G50.
MG13
Dimensions, items and designations same as for MG1,
but with an extended bellows tail to achieve the fitting
length I1N according to EN 12756 in combination with
seat G6 or G60 (da exceeds EN 12756).
RMG12
Identical to MG12, but with a special bellows surface on
the shaft side. For use in hot water pumps up to 120 °C
(248 °F) and 25 bar (363 ft/s) or 140 °C (284 °F)
and 16 bar (232 PSI). Only in combination with seat
G606 (d1 = 12 ... 38 mm) (0.47" ... 1.50").
Seal face: Tungsten Carbide (U3)
Seat G606: Carbon graphite resin impregnated (B)
(9)Seat alternatives
Dimensions in mm
| d1 | d3 | d6 | d7 | d8 | d11 | d12 | d14 | d16 | da | db*) | dm*) | ds*) | dST | L | L1 | L1k | L1N | L1S | L2 | L3 | L5 | L6 | L7 | L8 | L9 | L10 | L12 | L14 | L15 | L16 | L17 | L28 | L29 | R |
| 10 | 15.70 | 17.00 | 21.00 | 3.00 | 15.50 | 19.20 | 11.00 | 24.60 | 22.50 | 20.50 | 18.00 | 18.00 | 24.00 | 14.50 | 25.90 | 32.50 | 40.00 | 34.00 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 7.50 | 6.60 | 1.20 | 3.80 | 7.50 | 6.60 | 9.00 | 1.20 |
| 12 | 17.70 | 19.00 | 23.00 | 3.00 | 17.50 | 21.60 | 13.50 | 27.80 | 25.00 | 22.50 | 20.00 | 20.00 | 26.00 | 15.00 | 25.90 | 32.50 | 40.00 | 34.00 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 6.50 | 5.60 | 1.20 | 3.80 | 7.50 | 6.60 | 9.00 | 1.20 |
| 14 | 19.70 | 21.00 | 25.00 | 3.00 | 20.50 | 24.60 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | 35.00 | 40.00 | 35.50 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 6.50 | 5.60 | 1.20 | 3.80 | 9.00 | 6.60 | 10.50 | 1.20 |
| 15 | 20.80 | - | - | - | 20.50 | 24.60 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | - | - | 35.50 | 33.40 | 25.00 | - | - | - | - | - | - | 7.50 | 6.60 | 1.20 | 3.80 | 9.00 | - | 10.50 | 1.20 |
| 16 | 21.00 | 23.00 | 27.00 | 3.00 | 22.00 | 28.00 | 17.00 | 30.95 | 28.50 | 26.50 | 22.00 | 22.00 | 30.00 | 17.00 | 28.40 | 35.00 | 40.00 | 35.50 | 33.40 | 25.00 | 1.50 | 4.00 | 8.50 | 17.50 | 10.00 | 7.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 6.60 | 10.50 | 1.50 |
| 18 | 23.70 | 27.00 | 33.00 | 3.00 | 24.00 | 30.00 | 20.00 | 34.15 | 32.00 | 29.00 | 29.00 | 26.00 | 33.00 | 19.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 9.00 | 8.00 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 19 | 26.70 | - | - | - | - | - | 20.00 | 34.15 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | - | - | 35.50 | 37.50 | 25.00 | - | - | - | - | - | - | - | - | - | - | 9.00 | - | 10.50 | - |
| 20 | 26.70 | 29.00 | 35.00 | 3.00 | 29.50 | 35.00 | 21.50 | 35.70 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 22 | 27.70 | 31.00 | 37.00 | 3.00 | 29.50 | 35.00 | 23.00 | 37.30 | 37.00 | 33.00 | 33.00 | 28.00 | 38.00 | 21.50 | 30.00 | 37.50 | 45.00 | 35.50 | 37.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 24 | 31.20 | 33.00 | 39.00 | 3.00 | 32.00 | 38.00 | 26.50 | 40.50 | 42.50 | 38.00 | 38.00 | 32.00 | 44.00 | 22.50 | 32.50 | 40.00 | 50.00 | 35.50 | 42.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 25 | 31.20 | 34.00 | 40.00 | 3.00 | 32.00 | 38.00 | 26.50 | 40.50 | 42.50 | 38.00 | 38.00 | 32.00 | 44.00 | 23.00 | 32.50 | 40.00 | 50.00 | 35.50 | 42.50 | 25.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 8.50 | 7.50 | 1.50 | 5.00 | 9.00 | 7.50 | 10.50 | 1.50 |
| 28 | 35.00 | 37.00 | 43.00 | 3.00 | 36.00 | 42.00 | 29.50 | 47.65 | 49.00 | 44.00 | 37.00 | 37.00 | 50.00 | 26.50 | 35.00 | 42.50 | 50.00 | 45.00 | 42.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 10.00 | 9.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 30 | 37.00 | 39.00 | 45.00 | 3.00 | 39.20 | 45.00 | 32.50 | 50.80 | 49.00 | 44.00 | 37.00 | 37.00 | 50.00 | 26.50 | 35.00 | 42.50 | 50.00 | 45.00 | 42.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 11.50 | 10.50 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 32 | 40.20 | 42.00 | 48.00 | 3.00 | 42.20 | 48.00 | 32.50 | 50.80 | 53.50 | 46.00 | 41.00 | 41.00 | 55.00 | 27.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 11.50 | 10.50 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 33 | 40.20 | 42.00 | 48.00 | 3.00 | 44.20 | 50.00 | 36.50 | 54.00 | 53.50 | 46.00 | 41.00 | 41.00 | 55.00 | 27.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 12.00 | 11.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 35 | 43.20 | 44.00 | 50.00 | 3.00 | 46.20 | 52.00 | 36.50 | 54.00 | 57.00 | 50.00 | 44.00 | 44.00 | 59.00 | 28.50 | 35.00 | 42.50 | 55.00 | 45.00 | 47.50 | 33.00 | 2.00 | 5.00 | 9.00 | 19.50 | 11.50 | 8.50 | 12.00 | 11.00 | 1.50 | 5.00 | 10.50 | 7.50 | 12.00 | 1.50 |
| 38 | 46.20 | 49.00 | 56.00 | 4.00 | 49.20 | 55.00 | 39.50 | 57.15 | 59.00 | 53.00 | 53.00 | 47.00 | 61.00 | 30.00 | 36.00 | 45.00 | 55.00 | 45.00 | 46.00 | 33.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 11.30 | 10.30 | 1.50 | 5.00 | 10.50 | 9.00 | 12.00 | 1.50 |
| 40 | 48.80 | 51.00 | 58.00 | 4.00 | 52.20 | 58.00 | 42.50 | 60.35 | 62.00 | 55.00 | 55.00 | 49.00 | 64.00 | 30.00 | 36.00 | 45.00 | 55.00 | 45.00 | 46.00 | 33.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 11.80 | 10.80 | 1.50 | 5.00 | 10.50 | 9.00 | 12.00 | 1.50 |
| 42 | 51.80 | - | - | - | 53.30 | 62.00 | 46.00 | 63.50 | 65.50 | 58.00 | 53.00 | 53.00 | 67.00 | 30.00 | 36.00 | - | - | 53.00 | 51.00 | 41.00 | - | - | - | - | - | - | 13.20 | 12.00 | 2.00 | 6.00 | 10.50 | - | 12.00 | 2.50 |
| 43 | 51.80 | 54.00 | 61.00 | 4.00 | 53.30 | 62.00 | 46.00 | 63.50 | 65.50 | 58.00 | 53.00 | 53.00 | 67.00 | 30.00 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 13.20 | 12.00 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 45 | 53.80 | 56.00 | 63.00 | 4.00 | 55.30 | 64.00 | 46.00 | 63.50 | 68.00 | 60.00 | 55.00 | 55.00 | 70.00 | 30.00 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 12.80 | 11.60 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 48 | 56.80 | 59.00 | 66.00 | 4.00 | 59.70 | 68.40 | 49.00 | 66.70 | 70.50 | 63.00 | 58.00 | 58.00 | 74.00 | 30.50 | 36.00 | 45.00 | 60.00 | 53.00 | 51.00 | 41.00 | 2.00 | 6.00 | 9.00 | 22.00 | 14.00 | 10.00 | 12.80 | 11.60 | 2.00 | 6.00 | 10.50 | 9.00 | 12.00 | 2.50 |
| 50 | 58.80 | 62.00 | 70.00 | 4.00 | 60.80 | 69.30 | 52.00 | 69.85 | 74.00 | 65.00 | 60.00 | 60.00 | 77.00 | 30.50 | 38.00 | 47.50 | 60.00 | 54.50 | 50.50 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 10.50 | 12.80 | 11.60 | 2.00 | 6.00 | 12.00 | 9.50 | 13.50 | 2.50 |
| 53 | 62.20 | 65.00 | 73.00 | 4.00 | 63.80 | 72.30 | 55.50 | 73.05 | 78.50 | 70.00 | 63.00 | 63.00 | 81.00 | 33.00 | 36.50 | 47.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 13.50 | 12.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 55 | 64.20 | 67.00 | 75.00 | 4.00 | 66.50 | 75.40 | 58.50 | 76.20 | 81.00 | 72.00 | 65.00 | 65.00 | 83.00 | 35.00 | 36.50 | 47.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 58 | 67.20 | 70.00 | 78.00 | 4.00 | 69.50 | 78.40 | 61.50 | 79.40 | 85.50 | 75.00 | 68.00 | 68.00 | 88.00 | 37.00 | 41.50 | 52.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 60 | 70.00 | 72.00 | 80.00 | 4.00 | 71.50 | 80.40 | 61.50 | 79.40 | 88.50 | 79.00 | 70.00 | 70.00 | 91.00 | 38.00 | 41.50 | 52.50 | 70.00 | 54.50 | 59.00 | 41.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.50 | 13.30 | 2.00 | 6.00 | 12.00 | 11.00 | 13.50 | 2.50 |
| 65 | 75.00 | 77.00 | 85.00 | 4.00 | 76.50 | 85.40 | 68.00 | 92.10 | 93.50 | 84.00 | 77.00 | 77.00 | 96.00 | 40.00 | 41.50 | 52.50 | 80.00 | 65.00 | 69.00 | 49.00 | 2.50 | 6.00 | 9.00 | 23.00 | 15.00 | 12.00 | 14.20 | 13.00 | 2.00 | 6.00 | 14.50 | 11.00 | 16.00 | 2.50 |
| 68 | 78.00 | 81.00 | 90.00 | 4.00 | 82.70 | 91.50 | 71.00 | 95.25 | 96.50 | 88.00 | 80.00 | 80.00 | 100.00 | 40.00 | 41.20 | 52.50 | 80.00 | 65.00 | 68.70 | 49.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 14.90 | 13.70 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 70 | 80.00 | 83.00 | 92.00 | 4.00 | 83.00 | 92.00 | 71.00 | 95.25 | 99.50 | 90.00 | 82.00 | 82.00 | 103.00 | 40.00 | 48.70 | 60.00 | 80.00 | 65.00 | 68.70 | 49.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 14.20 | 13.00 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 75 | 85.50 | 88.00 | 97.00 | 4.00 | 90.20 | 99.00 | 77.50 | 101.60 | 107.00 | 95.00 | 87.00 | 87.00 | 110.00 | 40.00 | 48.70 | 60.00 | 80.00 | 68.00 | 68.70 | 52.00 | 2.50 | 7.00 | 9.00 | 26.00 | 18.00 | 12.50 | 15.20 | 14.00 | 2.00 | 6.00 | 14.50 | 11.30 | 16.00 | 2.50 |
| 80 | 90.50 | 95.00 | 105.00 | 4.00 | 95.20 | 104.00 | 84.00 | 114.30 | 112.00 | 100.00 | 92.00 | 92.00 | 116.00 | 40.00 | 48.00 | 60.00 | 90.00 | 76.00 | 78.00 | 56.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 13.00 | 16.20 | 15.00 | 2.00 | 6.00 | 18.50 | 12.00 | 20.00 | 2.50 |
| 85 | 96.00 | 100.00 | 110.00 | 4.00 | 100.20 | 109.00 | 87.00 | 117.50 | 120.00 | 107.00 | 97.00 | 97.00 | 124.00 | 41.00 | 46.00 | 60.00 | 90.00 | 76.00 | 76.00 | 56.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 15.00 | 16.00 | 14.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 90 | 102.00 | 105.00 | 115.00 | 4.00 | 105.20 | 114.00 | 93.50 | 123.85 | 127.00 | 114.00 | 104.00 | 104.00 | 131.00 | 45.00 | 51.00 | 65.00 | 90.00 | 79.00 | 76.00 | 59.00 | 3.00 | 7.00 | 9.00 | 26.20 | 18.20 | 15.00 | 16.00 | 14.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 95 | 107.00 | 110.00 | 120.00 | 4.00 | 111.60 | 120.30 | 96.50 | 127.00 | 132.00 | 119.00 | 109.00 | 109.00 | 136.00 | 46.00 | 51.00 | 65.00 | 90.00 | 79.00 | 76.00 | 59.00 | 3.00 | 7.00 | 9.00 | 25.20 | 17.20 | 15.00 | 17.00 | 15.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| 100 | 112.00 | 115.00 | 125.00 | 4.00 | 114.50 | 123.30 | 103.00 | 133.35 | 137.00 | 124.00 | 114.00 | 114.00 | 140.00 | 47.00 | 51.00 | 65.00 | 90.00 | 82.00 | 76.00 | 62.00 | 3.00 | 7.00 | 9.00 | 25.20 | 17.20 | 15.00 | 17.00 | 15.80 | 2.00 | 6.00 | 18.50 | 14.00 | 20.00 | 2.50 |
| Fitting length/axial movement tolerances: d1 10 ... 12 mm ±0.5; d1 14 ... 18 mm ±1.0; d1 20 ... 26 mm ±1.5; d1 = 28 ... 100 mm ±2.0 ) Minimum diameter of the mating colla | ||||||||||||||||||||||||||||||||||
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
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