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16 H7N Mechanical Seals for Pumps Pusher Seals

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16 H7N Mechanical Seals for Pumps Pusher Seals

Customization:	Available
Structure:	Single End
Pressure:	High Pressure Mechanical Seals

Availability:

Quantity:



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Product Description

Basic Info.

Model NO.

16 H7N

Speed

Ultra-High-Speed Mechanical Seal

Temperature

High Temperature Mechanical Seal

Performance

Corrosion

Standard

Type

Customization

Balance

Balanced

Payment Method

T/T, Western Union, L/C etc

Replace

Bergman Seals

Export Port

Ningbo Port, Shanghai Port

Products Packaging

White Box

Min Order Qty

5 Pcs

Transport Package

Carton Packing

Specification

Diameter Size 14-200mm

Trademark

Customer Provide

Origin

Made in China

HS Code

8484200090

Production Capacity

1000000 PCS/Year

Packaging & Delivery

Package Size

38.00cm * 38.00cm * 32.00cm

Package Gross Weight

22.000kg

Product Description

(1)Features

• For stepped shafts
• Single seal
• Balanced
• Super-Sinus-spring or multiple springs rotating
• Independent of direction of rotation
• Integrated pumping device available (H7F, H75F)
• Variant with seat cooling available (H75G115)

(2)Advantages
• Universal application opportunities (standardization)
• Efficient stock keeping due to easily interchangeable faces
• Extended selection of materials
• Flexibility in torque transmissions
• Self cleaning effect
• Short Installation length possible (G16)

(3)Operating range (see note on page 1)
Shaft diameter: d1 = 14 ... 100 mm (0.55" ... 3.94")
(Single spring: d1 = max. 100 mm (3.94"))
Pressure:
p1 = 80 bar (1,160 PSI) for d1 = 14 ... 100 mm,
p1 = 25 bar (363 PSI) for d1 = 100 ... 200 mm,
p1 = 16 bar (232 PSI) for d1 > 200 mm
Temperature: t = -50 °C ... +220 °C (-58 °F ... +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
d1 ... 22 mm: ±1.0 mm
d1 24 ... 58 mm: ±1.5 mm
d1 from 60 mm: ±2.0 mm

(4)Materials
Seal face: Silicon carbide (Q1, Q2), Carbon graphite
antimony impregnated (A), Aluminium oxide (V),
Special cast CrMo steel (S)
Seat G9: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B),
Silicon carbide (Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)
* Cannot be combined with seal face in S

(5)Standards and approvals
• EN 12756

(6)Recommended applications
• Refining technology
• Power plant technology
• Petrochemical industry
• Oil and Gas industry
• Hot water applications
• Light hydrocarbons
• Boiler feed pumps
• Process pumps

(7)Item Part no.to DIN 24250 Description
1.1 472 Seal face
1.2 485 Drive collar
1.3 474 Thrust ring
1.4 412.1 O-Ring
1.5 477 Spring
1.6 904 Set screw
2 475 Seat G9
3 412.2 O-Ring

(8)Product variants

H75
Shaft diameter: d1 = 28 ... 200 mm (1.10" ... 7.87")
As H7N, but with multiple springs in sleeves (Item no. 1.5)
Axial movement: ±2 ... 4 mm, dependent on diameter.

H76
Shaft diameter: d1 = 14 ... 100 mm (0.55" ... 3.94")
Dimensions, items and descriptions as for H7N, but with
special single spring (Item no. 1.5) for compensating large
axial movements (±4 mm).

H7F
Shaft diameter: d1 = max. 100 mm (3.94")
Dimensions, items and descriptions as for H7N, but with
single spring and pumping screw. Dependent on direction
of rotation! (Viscosity ≤ ISO VG10).

H75F
Shaft diameter: d1 = 28 ... 200 mm (1.10" ... 7.87")
Dimensions, items and descriptions as for H7N, but
with multiple springs and pumping screw. Dependent on
direction of rotation! (Viscosity ≤ ISO VG10).

(9)Seat alternatives

H7N

Dimensions in mm

d₁	d₂	d₃	d₆	d₇	d₈	d₂₄	d₂₁	d₂₂	ds	L_1k	L_1n	L₂	L₃	L₅	L₆	L₇	L₈	L₉	L₃₉	L₄₀	a	b	e	f	h₁	h₂	k	m_x	u_max.	t
14*	18.0	33.0	21.0	25.0	3.0	20.0	-	-	38.0	42.5	-	18.0	32.5	1.5	4.0	8.5	17.5	10.0				5.0		6.0				M5	9.0	1.1
16*	20.0	35.0	23.0	27.0	3.0	22.0	-	-	40.0	42.5	-	18.0	32.5	1.5	4.0	8.5	17.5	10.0	-	-	-	5.0	-	6.0	-	-	-	M5	9.0	1.1
18*	22.0	37.0	27.0	33.0	3.0	24.0	-	-	42.0	45.0	55.0	20.0	33.5	2.0	5.0	9.0	19.5	11.5	-	-	-	6.0	-	7.0	-	-	-	M5	9.0	1.5
20*	24.0	39.0	29.0	35.0	3.0	26.0	-	-	44.0	45.0	60.0	20.0	33.5	2.0	5.0	9.0	19.5	11.5	-	-	-	6.0	-	5.5	-	-	-	M5	9.0	1.5
22*	26.0	41.0	31.0	37.0	3.0	28.0	-	-	45.0	45.0	60.0	20.0	33.5	2.0	5.0	9.0	19.5	11.5	-	-	-	6.0	-	8.0	-	-	-	M5	9.0	1.5
24*	28.0	43.0	33.0	39.0	3.0	30.0	-	-	47.0	47.5	60.0	20.0	36.0	2.0	5.0	9.0	19.5	11.5	-	-	-	6.0	-	5.5	-	-	-	M6	9.0	1.5
25*	30.0	45.0	34.0	40.0	3.0	32.0	-	-	49.0	47.5	60.0	20.0	36.0	2.0	5.0	9.0	19.5	11.5	-	-	-	6.0	-	5.5	-	-	-	M6	9.0	1.5
28*	33.0	48.0	37.0	43.0	3.0	35.0	44.65	50.57	51.0	50.0	65.0	20.0	38.5	2.0	5.0	9.0	19.5	11.5	24.0	8.5	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
30*	35.0	50.0	39.0	45.0	3.0	37.0	47.83	53.75	54.0	50.0	65.0	20.0	38.5	2.0	5.0	9.0	19.5	11.5	24.5	9.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
32*	38.0	55.0	42.0	48.0	3.0	40.0	47.83	53.75	59.0	50.0	65.0	20.0	38.5	2.0	5.0	9.0	19.5	11.5	24.5	9.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
33*	38.0	55.0	42.0	48.0	3.0	40.0	47.83	53.75	59.0	50.0	65.0	20.0	38.5	2.0	5.0	9.0	19.5	11.5	24.5	9.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
35*	40.0	57.0	44.0	50.0	3.0	42.0	51.00	56.92	61.0	50.0	65.0	20.0	38.5	2.0	5.0	9.0	19.5	11.5	24.5	9.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
38*	43.0	60.0	49.0	56.0	4.0	45.0	54.18	60.10	65.0	52.5	75.0	23.0	38.5	2.0	6.0	9.0	22.0	14.0	26.0	11.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
40*	45.0	62.0	51.0	58.0	4.0	47.0	60.53	66.45	66.0	52.5	75.0	23.0	38.5	2.0	6.0	9.0	22.0	14.0	26.0	11.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
43*	48.0	65.0	54.0	61.0	4.0	50.0	63.70	69.62	69.0	52.5	75.0	23.0	38.5	2.0	6.0	9.0	22.0	14.0	26.0	11.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
45*	50.0	67.0	56.0	63.0	4.0	52.0	63.70	69.62	71.0	52.5	75.0	23.0	38.5	2.0	6.0	9.0	22.0	14.0	26.0	11.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
48*	53.0	70.0	59.0	66.0	4.0	55.0	66.88	72.80	75.0	52.5	85.0	23.0	38.5	2.0	6.0	9.0	22.0	14.0	26.0	11.0	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
50*	55.0	72.0	62.0	70.0	4.0	57.0	70.05	75.97	76.0	57.5	85.0	25.0	42.5	2.5	6.0	9.0	23.0	15.0	26.5	12.5	24.0	6.0	8.0	8.0	6.6	22.6	9.0	M6	12.0	1.5
53*	58.0	79.0	65.0	73.0	4.0	60.0	76.40	82.32	83.0	57.5	85.0	25.0	42.5	2.5	6.0	9.0	23.0	15.0	26.5	12.5	24.0	8.0	8.0	9.0	6.6	22.6	9.0	M8	12.0	1.9
55*	60.0	81.0	67.0	75.0	4.0	62.0	76.40	82.32	85.0	57.5	85.0	25.0	42.5	2.5	6.0	9.0	23.0	15.0	28.5	12.5	26.0	8.0	8.0	9.0	6.6	24.6	11.0	M8	12.0	1.9
58*	63.0	84.0	70.0	78.0	4.0	65.0	79.58	85.50	88.0	62.5	85.0	25.0	47.5	2.5	6.0	9.0	23.0	15.0	28.5	12.5	26.0	8.0	8.0	9.0	6.6	24.6	11.0	M8	15.0	1.9
60*	65.0	86.0	72.0	80.0	4.0	67.0	82.75	88.67	95.0	62.5	95.0	25.0	47.5	2.5	6.0	9.0	23.0	15.0	28.5	12.5	26.0	8.0	8.0	9.0	6.6	24.6	11.0	M8	15.0	1.9
63*	68.0	89.0	75.0	83.0	4.0	70.0	85.93	91.85	93.0	62.5	95.0	25.0	47.5	2.5	6.0	9.0	23.0	15.0	28.5	12.5	26.0	8.0	8.0	9.0	6.6	24.6	11.0	M8	14.0	1.9
65*	70.0	91.0	77.0	85.0	4.0	72.0	85.93	91.85	95.0	62.5	95.0	25.0	47.5	2.5	6.0	9.0	23.0	15.0	28.5	12.5	26.0	8.0	8.0	9.0	6.6	24.6	11.0	M8	15.0	1.9
70*	75.0	99.0	83.0	92.0	4.0	77.0	89.10	95.02	105.0	70.0	95.0	28.0	52.0	2.5	7.0	9.0	26.0	18.0	30.5	14.5	26.0	8.0	8.0	10.0	6.6	24.6	11.0	M8	15.0	1.9
75*	80.0	104.0	88.0	97.0	4.0	82.0	98.63	104.55	109.0	70.0	105.0	28.0	52.0	2.5	7.0	9.0	26.0	18.0	30.5	14.5	26.0	8.0	8.0	10.0	6.6	24.6	11.0	M8	15.0	1.9
80*	85.0	109.0	95.0	105.0	4.0	87.0	101.80	107.72	114.0	70.0	105.0	28.0	51.8	3.0	7.0	9.0	26.2	18.2	30.2	14.0	26.0	8.0	8.0	10.0	6.6	24.6	11.0	M8	15.0	1.9
85*	90.0	114.0	100.0	110.0	4.0	92.0	108.15	114.07	119.0	75.0	105.0	28.0	56.8	3.0	7.0	9.0	26.2	18.2	30.2	14.0	26.0	10.0	8.0	10.0	6.6	24.6	11.0	M8	18.0	2.3
90*	95.0	119.0	105.0	115.0	4.0	97.0	114.50	120.42	124.0	75.0	105.0	28.0	56.8	3.0	7.0	9.0	26.2	18.2	30.2	14.0	26.0	10.0	8.0	10.0	6.6	24.6	11.0	M8	18.0	2.3
95*	100.0	124.0	110.0	120.0	4.0	102.0	117.68	123.60	129.0	75.0	105.0	28.0	57.8	3.0	7.0	9.0	25.2	17.2	29.2	14.0	26.0	10.0	8.0	10.0	6.6	24.6	11.0	M8	18.0	2.3
100*	105.0	129.0	115.0	125.0	4.0	107.0	124.03	129.95	134.0	75.0	105.0	28.0	57.8	3.0	7.0	9.0	25.2	17.2	29.2	14.0	26.0	10.0	8.0	10.0	6.6	24.6	11.0	M8	18.0	2.3
105*	115.0	148.0	122.2	134.3	5.0	118.0	128.98	134.90	153.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	29.2	15.2	26.0	10.0	8.0	10.0	6.6	24.6	11.0	M8	18.0	2.3
110*	120.0	153.0	128.2	140.3	5.0	123.0	135.30	141.20	158.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
115*	125.0	158.0	136.2	148.3	5.0	128.0	140.30	146.20	163.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
120*	130.0	163.0	138.2	150.3	5.0	133.0	145.30	151.20	168.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
125*	135.0	168.0	142.2	154.3	5.0	138.0	150.30	156.20	173.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
130*	140.0	173.0	146.2	158.3	5.0	143.0	155.30	161.20	178.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
135*	145.0	178.0	152.2	164.3	5.0	148.0	160.30	166.20	183.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
140*	150.0	183.0	156.2	168.3	5.0	153.0	165.30	171.20	188.0	73.0	-	32.0	53.0	2.0	10.0	-	30.0	20.0	32.5	14.5	30.0	10.0	9.5	10.0	6.6	28.6	13.0	M8	18.0	2.3
145*	155.0	191.0	161.2	173.3	5.0	158.0	172.30	178.20	196.0	83.0	-	34.0	63.0	2.0	10.0	-	30.0	20.0	34.5	16.5	32.0	12.0	10.0	12.0	7.1	30.1	14.0	M8	22.0	2.1
150*	160.0	196.0	168.2	180.3	5.0	163.0	177.30	183.20	201.0	85.0	-	36.0	63.0	2.0	10.0	-	32.0	22.0	34.5	16.5	32.0	12.0	10.0	12.0	7.1	30.1	14.0	M8	22.0	2.1
155*	165.0	201.0	173.2	185.3	5.0	168.0	182.30	188.20	206.0	87.0	-	38.0	63.0	2.0	12.0	-	34.0	24.0	34.5	16.5	32.0	12.0	10.0	12.0	7.1	30.1	14.0	M8	22.0	2.1
160*	170.0	206.0	178.2	190.3	5.0	173.0	187.30	193.20	211.0	87.0	-	38.0	63.0	2.0	12.0	-	34.0	24.0	34.5	16.5	32.0	12.0	10.0	12.0	7.1	30.1	14.0	M8	22.0	2.1
165*	175.0	211.0	183.2	195.3	5.0	178.0	192.30	198.20	216.0	87.0	-	38.0	63.0	2.0	12.0	-	34.0	24.0	34.5	16.5	32.0	12.0	10.0	12.0	7.1	30.1	14.0	M8	22.0	2.1
170*	180.0	216.0	188.2	200.3	5.0	183.0	197.30	203.20	221.0	87.0	-	38.0	63.0	2.0	12.0	-	34.0	24.0	37.0	16.5	34.5	12.0	10.0	12.0	7.1	32.1	16.0	M8	22.0	2.1
175*	185.0	221.0	193.2	205.3	5.0	188.0	202.30	208.20	226.0	87.0	-	38.0	63.0	2.0	12.0	-	34.0	24.0	37.0	16.5	34.5	12.0	10.0	12.0	7.1	32.1	16.0	M8	22.0	2.1
180*	190.0	226.0	207.5	219.3	5.0	193.0	207.30	213.20	231.0	91.0	-	42.0	63.0	2.0	12.0	-	38.0	28.0	37.0	16.5	34.5	12.0	10.0	12.0	7.1	32.1	16.0	M8	22.0	2.1
185*	195.0	231.0	212.5	224.3	5.0	198.0	212.30	218.20	236.0	91.0	-	42.0	63.0	2.0	12.0	-	38.0	28.0	37.0	16.5	34.5	12.0	10.0	12.0	7.1	32.1	16.0	M8	22.0	2.1
190*	200.0	236.0	217.5	229.3	5.0	203.0	217.30	223.20	241.0	91.0	-	42.0	63.0	2.0	12.0	-	38.0	28.0	37.0	16.5	34.5	12.0	10.0	12.0	7.1	32.1	16.0	M8	22.0	2.1
195*	205.0	245.0	222.5	234.2	5.0	208.0	225.30	231.20	250.0	94.0	-	43.0	66.0	2.0	12.0	-	38.0	28.0	37.0	17.5	34.5	12.0	10.0	14.0	7.1	32.1	16.0	M10	22.0	2.1
200*	210.0	250.0	227.5	239.3	5.0	213.0	230.30	236.20	255.0	94.0	-	43.0	66.0	2.0	12.0	-	38.0	28.0	37.0	17.5	34.5	12.0	10.0	14.0	7.1	32.1	16.0	M10	22.0	2.1

* EN 12756

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).