| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Fully split single seal, 2 x 2 segments, pre-assembled
• Semi-cartridge
• Balanced
• Stationary springs
• Bi-directional
• External pressurization
• Built-in flushing connections
• Installation and wear control
(2)Advantages
• Reduced repair and downtime: 2x 2 pre-assembled design speeds up and simplifies installation because pump does not have to be disassembled.
• Long service life: precise pre-alignment because of pre-assembled segments. Stationary springs which are protected from the product prevent clogging.
• Greater flexibility during installation: no modification necessary because the seal is located outside of the stuffing box.
• Shaft protection: uniform torque transmission via clamping ring prevents damage caused by set screws.
• Dependable operation: mechanical decoupling of clamping ring (torque transmission) avoids distortion of the seat.
• Simple monitoring of the seal during operation because of mechanical wear indicator on the seal face.
• Low leakage: elimination of secondary seals eliminates leakage paths between split components.
• High tolerance to shaft deflections ensured by stationary design and elastic seat mounting (gasket).
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 50 ... 150 mm (1.940" ... 6.000")
Pressure: p1 = 10 bar (145 PSI)
Temperature: t = -40 °C ... +150 °C (-40 °F ... +300 °F),
above 80 °C (175 °F) flush is recommended
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.5 mm (1/16")
Radial movement: ±0.8 mm (1/32")
(4)Material
Seal face: Carbon graphite antimoniny impregnated (A),
Silicon carbide (Q6)
Seat: Silicon carbide (Q6)
Secondary seals: FKM (V), EPDM (E), NBR (P)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)
(5)Item Description
1 Seal face
2, 5, 7 O-Ring
3 Spring
4 Seat
6 Driver
8 Thrust ring
9 Clamp collar
10 Housing
11 Assembly fixture
12, 15 Gasket
13 Head screw plug
14 Mounting plate
16 Set screw
17 Socket head screw
(6)Recommended applications
• Water and waste water technology
• Pulp and paper industry
• Mining industry
• Power plant technology
• Shipbuilding
• Process industry
• Pulp
• Centrifugal pumps
• Agitators
• Displacement pumps
• Conveying pulp with stock pumps
• Conveying timber to refiners with pumping screws
• Circulation of pulp-and-water mixtures in storage vessels
• Pump stations for waste water treatment
• Cooling water pumps for energy generatio
Dimensions in mm
| Dw | Dw | d1 | d2 | Da | a | s | L1 | L1 | L3 | L4 | L5 | x |
| 50 | 1.969 | 75.0 | 84.0 | 138.0 | 88.0 | 15.0 | 63.0 | 61.0 | 30.0 | 45.0 | 3.0 | 3/8 NPT |
| 60 | 2.362 | 89.0 | 101.0 | 149.0 | 105.0 | 17,5 | 64.0 | 62.0 | 30.0 | 46.0 | 3.0 | 3/8 NPT |
| 70 | 2.756 | 98.0 | 113.0 | 176.0 | 118.0 | 20.0 | 64.0 | 62.0 | 30.0 | 46.0 | 3.0 | 3/8 NPT |
| 80 | 3.150 | 110.0 | 132.0 | 191.0 | 135.0 | 20.0 | 65.0 | 63.0 | 31.0 | 47.0 | 3.0 | 3/8 NPT |
| 90 | 3.543 | 121.0 | 140.0 | 203.0 | 145.0 | 22.0 | 72.5 | 70.5 | 31.5 | 50.5 | 3.0 | 1/2 NPT |
| 100 | 3.937 | 131.0 | 150.0 | 216.0 | 155.0 | 22.0 | 72.5 | 70.5 | 31.5 | 50.5 | 3.0 | 1/2 NPT |
| 110 | 4.331 | 142.0 | 165.0 | 230.0 | 170.0 | 22.0 | 72.5 | 70.5 | 31.5 | 50.5 | 3.0 | 1/2 NPT |
| 120 | 4.724 | 152.0 | 175.0 | 240.0 | 180.0 | 22.0 | 72.5 | 70.5 | 31.5 | 50.5 | 3.0 | 1/2 NPT |
| 125 | 4.921 | 162.0 | 185.0 | 268.0 | 190.0 | 26.0 | 89.5 | 87.5 | 43.5 | 62.5 | 4.0 | 1/2 NPT |
| 140 | 5.512 | 175.0 | 200.0 | 303.0 | 205.0 | 26.0 | 89.5 | 87.5 | 43.5 | 62.0 | 4.0 | 1/2 NPT |
| 150 | 5.906 | 188.0 | 215.0 | 308.0 | 220.0 | 26.0 | 89.5 | 57.5 | 43.5 | 62.5 | 4.0 | 1/2 NPT |
| Dw | Dw | d1 | d2 | Da | a | s | L1 | L2 | L3 | L4 | L5 | X |
| 1.940 | 49.276 | 2.953 | 3.307 | 5.433 | 3.456 | 0.591 | 2.480 | 2.402 | 1.181 | 1.772 | 0.118 | 3/8 NPT |
| 2.000 | 50.800 | 2.953 | 3.307 | 5.433 | 3.456 | 0.591 | 2.480 | 2.402 | 1.181 | 1.772 | 0.118 | 3/8 NPT |
| 2.125 | 53.975 | 3.110 | 3.465 | 5.787 | 3.622 | 0.591 | 2.480 | 2.402 | 1.142 | 1.772 | 0.118 | 3/8 NPT |
| 2.375 | 60.325 | 3.504 | 3.976 | 5.866 | 4.134 | 0.689 | 2.520 | 2.441 | 1.181 | 1.811 | 0.118 | 3/8 NPT |
| 2.438 | 61.925 | 3.642 | 4.114 | 6.181 | 4.272 | 0.689 | 2.520 | 2.441 | 1.181 | 1.811 | 0.118 | 3/8 NPT |
| 2.500 | 63.500 | 3.642 | 4.114 | 6.181 | 4.272 | 0.689 | 2.520 | 2.441 | 1.181 | 1.811 | 0.118 | 3/8 NPT |
| 2.750 | 69.850 | 3.858 | 4.449 | 6.929 | 4.646 | 0.787 | 2.520 | 2.441 | 1.181 | 1.811 | 0.118 | 3/8 NPT |
| 2.938 | 74.625 | 4.213 | 4.803 | 7.559 | 5.000 | 0.787 | 2.559 | 2.480 | 1.299 | 1.850 | 0.118 | 3/8 NPT |
| 3.000 | 76.200 | 4.213 | 4.803 | 7.559 | 5.000 | 0.787 | 2.559 | 2.480 | 1.299 | 1.850 | 0.118 | 3/8 NPT |
| 3.250 | 82.550 | 4.331 | 5.197 | 7.520 | 5.315 | 0.787 | 2.559 | 2.480 | 1.220 | 1.850 | 0.118 | 3/8 NPT |
| 3.500 | 88.900 | 4.764 | 5.512 | 7.992 | 5.709 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 3.625 | 92.075 | 4.764 | 5.512 | 7.992 | 5.709 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 3.750 | 95.250 | 4.921 | 5.630 | 8.110 | 5.827 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 3.875 | 98.425 | 5.157 | 5.906 | 8.504 | 6.102 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 4.000 | 101.600 | 5.157 | 5.906 | 8.504 | 6.102 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 4.250 | 107.950 | 5.591 | 6.496 | 9.055 | 6.693 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 4.500 | 114.300 | 5.984 | 6.890 | 9.449 | 7.087 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 4.750 | 120.650 | 5.984 | 6.890 | 9.449 | 7.087 | 0.866 | 2.854 | 2.776 | 1.240 | 1.988 | 0.118 | 1/2 NPT |
| 5.000 | 127.000 | 6.378 | 7.283 | 10.551 | 7.480 | 1.024 | 3.524 | 3.445 | 1.713 | 2.461 | 0.157 | 1/2 NPT |
| 5.500 | 139.700 | 6.890 | 7.874 | 11.929 | 8.071 | 1.024 | 3.524 | 3.445 | 1.713 | 2.461 | 0.157 | 1/2 NPT |
| 6.000 | 152.400 | 7.402 | 8.465 | 12.126 | 8.661 | 1.024 | 3.524 | 3.445 | 1.713 | 2.461 | 0.157 | 1/2 NPT |
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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