| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• For unstepped shafts
• Single seal
• Balanced
• Independent of direction of rotation
• Encapsulated rotating spring
(2)Advantages
• Especially designed for solids containing and highly viscous media
• Springs are protected from the product
• Rugged and reliable design
• No damage of the shaft by dynamically loaded O-Ring
• Universal application
• Variant for operation under vacuum available
• Variant for sterile operation available
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 18 ... 100 mm (0.71" ... 4")
Pressure: p1* = 0.8 abs ... 25 bar (12 abs. ... 363 PSI)
Temperature: t = -50 °C ... +220 °C (-58 °F ... +430 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm
* An integral stationary seat lock is not needed within the
permissible low pressure range. For prolonged operation
under vacuum it is necessary to arrange for quenching on
the atmospheric side.
(4)Materials
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G16: Silicon carbide (Q1)
(5)Standards and approvals
• EN 12756
(6)Recommended applications
• Sugar industry
• Pulp and paper industry
• Water and waste water technology
• Dirty, abrasive and solids containing media
• Thick juice (70 ... 75 % sugar content)
• Raw sludge, sewage slurries
• Raw sludge pumps
• Thick juice pumps
• Conveying and bottling of dairy products
(7)Item Part no. to DIN 24250 Description
1.1 472/473 Seal face
1.2 485 Drive collar
1.3 412.2 O-Ring
1.4 412.1 O-Ring
1.5 477 Spring
1.6 904 Set screw
2 475 Seat (G16)
3 412.3 O-Ring
(8)Product variants
HJ927GN
Items and description as HJ92N.
Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G46: Silicon carbide (Q12)
Installations length l11 (= l3 + l39) is longer than l1k.
HJ97GN5
Items and description as HJ92N.
Seal face: Silicon carbide (Q12)
Seat G16: Silicon carbide (Q1)
Installations length l12 (= l13 + l19) is shorter than l1k.
HJ977GN
Items and description as HJ92N.
Seal face: Silicon carbide (Q12)
Seat G46: Silicon carbide (Q12)
Installation length l1k
Operating range:
Temperature: t = -20 °C ... +180 °C (-4 °F ... +356 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
HJ4 ...
Mechanical seals with product-protected multiple springs,
for high pressure applications.
Pressure: p = max. 50 bar (725 PSI)
Shaft diameter: d1 > 100 mm (3.94").
Smaller diameters and higher pressure on request.
Dimensions in mm
| d1 | d3 | d6 | d7 | d8 | dm | L1k | L3 | L5 | L6 | L7 | L18 | L19 | L11 | L12 | L13 | L38 | L39 | f | mx |
| 18 | 32.0 | 27.0 | 33.0 | 3.0 | 26.0 | 37.5 | 30.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 39.5 | 35.5 | 28.5 | 17.0 | 9.0 | 3.0 | M4 |
| 20 | 34.0 | 29.0 | 35.0 | 3.0 | 28.0 | 37.5 | 30.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 39.5 | 35.5 | 28.5 | 17.0 | 9.0 | 3.0 | M4 |
| 22 | 36.0 | 31.0 | 37.0 | 3.0 | 30.0 | 37.5 | 30.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 39.5 | 35.5 | 28.5 | 17.0 | 9.0 | 3.0 | M4 |
| 24 | 38.0 | 33.0 | 39.0 | 3.0 | 32.5 | 40.0 | 33.0 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 42.0 | 38.0 | 31.0 | 17.0 | 9.0 | 3.5 | M5 |
| 25 | 39.0 | 34.0 | 40.0 | 3.0 | 33.5 | 40.0 | 33.0 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 42.0 | 38.0 | 31.0 | 17.0 | 9.0 | 3.5 | M5 |
| 28 | 42.0 | 37.0 | 43.0 | 3.0 | 36.5 | 42.5 | 35.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 45.0 | 40.0 | 33.0 | 17.5 | 9.5 | 3.5 | M5 |
| 30 | 44.0 | 39.0 | 45.0 | 3.0 | 38.5 | 42.5 | 35.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 45.0 | 40.0 | 33.0 | 17.5 | 9.5 | 3.5 | M5 |
| 32 | 47.0 | 42.0 | 48.0 | 3.0 | 41.5 | 42.5 | 35.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 45.0 | 40.0 | 33.0 | 17.5 | 9.5 | 3.5 | M5 |
| 33 | 47.0 | 42.0 | 48.0 | 3.0 | 41.5 | 42.5 | 35.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 45.0 | 40.0 | 33.0 | 17.5 | 9.5 | 3.5 | M5 |
| 35 | 49.0 | 44.0 | 50.0 | 3.0 | 43.5 | 42.5 | 35.5 | 2.0 | 5.0 | 9.0 | 15.0 | 7.0 | 45.0 | 40.0 | 33.0 | 17.5 | 9.5 | 3.5 | M5 |
| 38 | 54.0 | 49.0 | 56.0 | 4.0 | 47.5 | 45.0 | 37.0 | 2.0 | 6.0 | 9.0 | 16.0 | 8.0 | 47.5 | 42.5 | 34.5 | 18.5 | 10.5 | 4.0 | M5 |
| 40 | 56.0 | 51.0 | 58.0 | 4.0 | 49.5 | 45.0 | 37.0 | 2.0 | 6.0 | 9.0 | 16.0 | 8.0 | 47.5 | 42.5 | 34.5 | 18.5 | 10.5 | 4.0 | M5 |
| 43 | 59.0 | 54.0 | 61.0 | 4.0 | 52.5 | 45.0 | 37.0 | 2.0 | 6.0 | 9.0 | 16.0 | 8.0 | 47.5 | 42.5 | 34.5 | 18.5 | 10.5 | 4.0 | M5 |
| 45 | 61.0 | 56.0 | 63.0 | 4.0 | 54.5 | 45.0 | 37.0 | 2.0 | 6.0 | 9.0 | 16.0 | 8.0 | 47.5 | 42.5 | 34.5 | 18.5 | 10.5 | 4.0 | M5 |
| 48 | 64.0 | 59.0 | 66.0 | 4.0 | 57.5 | 45.0 | 37.0 | 2.0 | 6.0 | 9.0 | 16.0 | 8.0 | 47.5 | 42.5 | 34.5 | 18.5 | 10.5 | 4.0 | M5 |
| 50 | 66.0 | 62.0 | 70.0 | 4.0 | 59.5 | 47.5 | 38.0 | 2.5 | 6.0 | 9.0 | 17.0 | 9.5 | 50.0 | 45.0 | 35.5 | 19.5 | 12.0 | 4.5 | M6 |
| 53 | 69.0 | 65.0 | 73.0 | 4.0 | 62.5 | 47.5 | 38.0 | 2.5 | 6.0 | 9.0 | 17.0 | 9.5 | 50.0 | 45.0 | 35.5 | 19.5 | 12.0 | 4.5 | M6 |
| 55 | 71.0 | 67.0 | 75.0 | 4.0 | 64.5 | 47.5 | 38.0 | 2.5 | 6.0 | 9.0 | 17.0 | 9.5 | 50.0 | 45.0 | 35.5 | 19.5 | 12.0 | 4.5 | M6 |
| 58 | 78.0 | 70.0 | 78.0 | 4.0 | 68.5 | 52.5 | 42.0 | 2.5 | 6.0 | 9.0 | 18.0 | 10.5 | 55.0 | 50.0 | 39.5 | 20.5 | 13.0 | 4.5 | M6 |
| 60 | 80.0 | 72.0 | 80.0 | 4.0 | 70.5 | 52.5 | 42.0 | 2.5 | 6.0 | 9.0 | 18.0 | 10.5 | 55.0 | 50.0 | 39.5 | 20.5 | 13.0 | 4.5 | M6 |
| 63 | 83.0 | 75.0 | 83.0 | 4.0 | 73.5 | 52.5 | 42.0 | 2.5 | 6.0 | 9.0 | 18.0 | 10.5 | 55.0 | 50.0 | 39.5 | 20.5 | 13.0 | 4.5 | M6 |
| 65 | 85.0 | 77.0 | 85.0 | 4.0 | 75.5 | 52.5 | 42.0 | 2.5 | 6.0 | 9.0 | 18.0 | 10.5 | 55.0 | 50.0 | 39.5 | 20.5 | 13.0 | 4.5 | M6 |
| 68 | 88.0 | 81.0 | 90.0 | 4.0 | 78.5 | 52.5 | 41.5 | 2.5 | 7.0 | 9.0 | 18.5 | 11.0 | 55.0 | 50.0 | 39.0 | 21.0 | 13.5 | 4.5 | M6 |
| 70 | 90.0 | 83.0 | 92.0 | 4.0 | 80.5 | 60.0 | 48.5 | 2.5 | 7.0 | 9.0 | 19.0 | 11.5 | 62.5 | 57.5 | 46.0 | 21.5 | 14.0 | 5.0 | M6 |
| 75 | 99.0 | 88.0 | 97.0 | 4.0 | 89.0 | 60.0 | 48.5 | 2.5 | 7.0 | 9.0 | 19.0 | 11.5 | 62.5 | 57.5 | 46.0 | 21.5 | 14.0 | 5.5 | M8 |
| 80 | 104.0 | 95.0 | 105.0 | 4.0 | 94.0 | 60.0 | 48.5 | 3.0 | 7.0 | 9.0 | 19.0 | 11.5 | 62.5 | 57.5 | 46.0 | 21.5 | 14.0 | 5.5 | M8 |
| 85 | 109.0 | 100.0 | 110.0 | 4.0 | 99.0 | 60.0 | 48.5 | 3.0 | 7.0 | 9.0 | 19.0 | 11.5 | 62.5 | 57.5 | 46.0 | 21.5 | 14.0 | 5.5 | M8 |
| 90 | 114.0 | 105.0 | 115.0 | 4.0 | 104.0 | 65.0 | 52.0 | 3.0 | 7.0 | 9.0 | 20.5 | 13.0 | 67.5 | 62.5 | 49.5 | 23.0 | 15.5 | 5.5 | M8 |
| 95 | 119.0 | 110.0 | 120.0 | 4.0 | 109.0 | 65.0 | 52.0 | 3.0 | 7.0 | 9.0 | 20.5 | 13.0 | 67.5 | 62.5 | 49.5 | 23.0 | 15.5 | 5.5 | M8 |
| 100 | 124.0 | 115.0 | 125.0 | 4.0 | 114.0 | 65.0 | 52.0 | 3.0 | 7.0 | 9.0 | 20.5 | 13.0 | 67.5 | 62.5 | 49.5 | 23.0 | 15.5 | 5.5 | M8 |
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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