| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Stationary springs
• Rotating seat
• Double seal
• Balanced
• Cartridge unit
• Standard version with V-grooves, U-grooves optional (independent of direction of rotation)
• Gas-lubricated, gas-buffered
• Internally pressurized
• Does not open in the event of buffer pressure failure, self closing at pressure reversal
(2)Advantages
• Contact-free operation
• No friction on the seal faces, no heat generated at the seal or in the medium
• No additional complex components to dissipate frictional heat
• Maximum environmental protection and maximum efficiency
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 30 ... 100 mm (1.18" ... 3.94")
Pressure:
p1 = 13 bar (189 PSI), p3 = 16 bar (232 PSI)
with V-grooves (uni-directional)
p1 = 9 bar (131 PSI), p3 = 12 bar (174 PSI)
with U-grooves (bi-directional)
Differential pressure (p3 - p1) = min. 3 bar (44 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 ... 15 m/s (13 ... 49 ft/s)
Axial movement: ±1.0 mm
(4)Materials
Seal face: Silicon carbide (Q1/Q19)
Seat: Silicon carbide (Q19/Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Spring: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
(5)Item Description
1, 9 Seal face
2, 5, 7, 10, 12, 18 O-Ring
3 Spring
4, 11 Seat
6 Shaft sleeve
8 Cover
13 Retainer
14 Ring
15 Set screw
16 Retaining ring
17 Counter-sunk socket screw
19 Set ring
20 Assembly fixture
21 Socket head screw
22 Gasket
(6)Recommended applications
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Pumps
Dimensions in mm
| d1 | d2 | d3min | d3max | L4 | L5 | L6 | L7 | a2 | da | s |
| 30 | 52.0 | 54.0 | 57.0 | 25.4 | 86.0 | 33.0 | 53.0 | 67.0 | 105.0 | 14.0 |
| 33 | 55.0 | 57.0 | 60.0 | 25.4 | 86.0 | 33.0 | 53.0 | 70.0 | 108.0 | 14.0 |
| 35 | 57.5 | 59.0 | 62.0 | 25.4 | 86.0 | 33.0 | 53.0 | 72.0 | 110.0 | 14.0 |
| 38 | 61.0 | 63.0 | 70.0 | 25.4 | 86.0 | 33.0 | 53.0 | 75.0 | 123.0 | 14.0 |
| 40 | 61.0 | 63.0 | 70.0 | 25.4 | 86.0 | 33.0 | 53.0 | 77.0 | 123.0 | 16.0 |
| 43 | 64.0 | 66.0 | 70.0 | 25.4 | 86.0 | 33.0 | 53.0 | 80.0 | 133.0 | 16.0 |
| 45 | 67.0 | 68.0 | 75.0 | 25.4 | 86.0 | 33.0 | 53.0 | 82.0 | 138.0 | 16.0 |
| 48 | 70.0 | 71.0 | 77.0 | 25.4 | 86.0 | 33.0 | 53.0 | 85.0 | 138.0 | 16.0 |
| 50 | 71.0 | 73.0 | 78.0 | 25.4 | 86.0 | 33.0 | 53.0 | 87.0 | 148.0 | 16.0 |
| 53 | 75.3 | 77.0 | 82.0 | 28.5 | 89.0 | 33.0 | 56.0 | 97.0 | 148.0 | 18.0 |
| 60 | 83.5 | 85.0 | 90.0 | 28.5 | 89.0 | 33.0 | 56.0 | 104.0 | 155.0 | 18.0 |
| 65 | 93.0 | 95.0 | 102.0 | 25.4 | 100.0 | 41.6 | 58.4 | 116.0 | 163.0 | 18.0 |
| 70 | 101.0 | 102.0 | 110.0 | 25.4 | 100.0 | 41.6 | 58.4 | 124.0 | 178.0 | 18.0 |
| 75 | 107.0 | 108.0 | 119.0 | 28.0 | 107.0 | 41.6 | 65.4 | 129.0 | 193.0 | 18.0 |
| 80 | 111.0 | 111.0 | 124.0 | 28.0 | 107.0 | 41.6 | 65.4 | 129.0 | 198.0 | 18.0 |
| 90 | 121.0 | 121.0 | 131.0 | 28.0 | 107.0 | 41.6 | 65.4 | 140.0 | 205.0 | 22.0 |
| 100 | 130.0 | 132.0 | 144.0 | 28.0 | 107.0 | 41.6 | 65.4 | 154.0 | 218.0 | 22.0 |
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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