 |
| Customization: | Available |
|---|---|
| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
| Quantity: | |
|---|---|
(1)Features
• Double seal
• Balanced
• Standard version with U-grooves (bi-directional)
• Gas-lubricated
(2)Advantages
• Contact-free operation
• Suitable for solids containing media
• Internally pressurized
• Cartridge unit
• Does not open in the event of buffer pressure failure, self closing at pressure reversal
• HR principle with rotating seat
• No friction on the seal faces, no heat generated at the seal or in the medium
(3)Operating range (see note on page 1)
Shaft diameter: dw = 20 ... 200 mm (1.10" ... 3.94")
Pressure HRGS-DC: p1 = ... 22 bar (319 PSI),
p3 = ... 25 bar (363 PSI)
Pressure HRGS-DD: p1 = ... 40 bar (580 PSI),
p3 = ... 43 bar (624 PSI)
Operating temperature limits for:
EPDM -20 °C ... +140 °C (-4 °F ... +284 °F)
FFKM -20 °C ... +120 °C (-4 °F ... +248 °F)
FKM -20 °C ... +170 °C (-4 °F ... +338 °F)
Sliding velocity: vg = 4 ... 25 m/s (13 ... 82 ft/s)
Differential pressure Δp = min. 3 bar (44 PSI),
max. 16 bar (232 PSI) (internal pressure
(4)Materials
Product side (HRGS-DC, HRGS-DD):
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DC:
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DD:
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
Springs: CrNiMo steel (G), Hastelloy C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy C-4 (M)
(5)Recommended applicationss
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Pumps
(6)Product variants
HRGS-DC
Gas-buffered double seal. The HRGS-DC is designed
for applications involving fitting dimensions in line with
DIN 24960 C or ANSI Big Bore standard, but can also
be used even when the fitting dimensions are not of
standardized nature if large, open spaces are available
for installation. The CGSH is used as outboard seal up to
nominal width 125.
HRGS-DD
Acc. to API 682 configuration 3NC-FB, Plan 74. The
HRGS-DD corresponds to the HRGS-DC in terms of design
principal and materials. It is designed for applications
involving large shaft diameters of up to 200 mm (7.87")
or fairly high pressure levels of up to 40 bar (580 PSI).
The outboard seal used in such cases is the DGS.
(7)Item Part no. to DIN 24250 Description
1.1.1 472.1 Seal face
1.1.4 477 Spring
1.2 475.1 Seat
2.1.1 472.2 Seal face
2.1.4 485 Drive collar
2.1.5 477 Spring
2.2 475.2 Seat
3 523 Shaft sleeve
4 513 Insert
10 441 Housing
13 Assembly fixture
(8)Dimensions
Dimensions on request
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
• Double seal
• Balanced
• Standard version with U-grooves (bi-directional)
• Gas-lubricated
(2)Advantages
• Contact-free operation
• Suitable for solids containing media
• Internally pressurized
• Cartridge unit
• Does not open in the event of buffer pressure failure, self closing at pressure reversal
• HR principle with rotating seat
• No friction on the seal faces, no heat generated at the seal or in the medium
(3)Operating range (see note on page 1)
Shaft diameter: dw = 20 ... 200 mm (1.10" ... 3.94")
Pressure HRGS-DC: p1 = ... 22 bar (319 PSI),
p3 = ... 25 bar (363 PSI)
Pressure HRGS-DD: p1 = ... 40 bar (580 PSI),
p3 = ... 43 bar (624 PSI)
Operating temperature limits for:
EPDM -20 °C ... +140 °C (-4 °F ... +284 °F)
FFKM -20 °C ... +120 °C (-4 °F ... +248 °F)
FKM -20 °C ... +170 °C (-4 °F ... +338 °F)
Sliding velocity: vg = 4 ... 25 m/s (13 ... 82 ft/s)
Differential pressure Δp = min. 3 bar (44 PSI),
max. 16 bar (232 PSI) (internal pressure
(4)Materials
Product side (HRGS-DC, HRGS-DD):
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DC:
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat: Silicon carbide (Q1, Q2)
Atmosphere side HRGS-DD:
Seal face: Silicon carbide (Q19, Q29)
Seat: Silicon carbide (Q1, Q2)
Springs: CrNiMo steel (G), Hastelloy C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy C-4 (M)
(5)Recommended applicationss
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Pumps
(6)Product variants
HRGS-DC
Gas-buffered double seal. The HRGS-DC is designed
for applications involving fitting dimensions in line with
DIN 24960 C or ANSI Big Bore standard, but can also
be used even when the fitting dimensions are not of
standardized nature if large, open spaces are available
for installation. The CGSH is used as outboard seal up to
nominal width 125.
HRGS-DD
Acc. to API 682 configuration 3NC-FB, Plan 74. The
HRGS-DD corresponds to the HRGS-DC in terms of design
principal and materials. It is designed for applications
involving large shaft diameters of up to 200 mm (7.87")
or fairly high pressure levels of up to 40 bar (580 PSI).
The outboard seal used in such cases is the DGS.
(7)Item Part no. to DIN 24250 Description
1.1.1 472.1 Seal face
1.1.4 477 Spring
1.2 475.1 Seat
2.1.1 472.2 Seal face
2.1.4 485 Drive collar
2.1.5 477 Spring
2.2 475.2 Seat
3 523 Shaft sleeve
4 513 Insert
10 441 Housing
13 Assembly fixture
(8)Dimensions
Dimensions on request
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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