Check valves serve to prevent the backflow of medium in the piping system for protection of important equipments, widely used in the field of potable water, water supply and drainage, sewage disposal, irrigation, air conditioning, fire protection as well as chemical and energy industry.
◔ Material:Ductile Iron EN-GJS-450-10
Valve body, bonnet, disc are all produced in ductile iron material which provides guarantee for high strength and good corrosion resistance.
◔ Fusion bonded epoxy coating
Fusion bonded epoxy coating in accordance with ANSI/AWWA C550 for both interior and exterior surface which provides reliable corrosion resistance.
◔ Small hydraulic friction loss with reasonable structure design
• Connection Ends: BS EN 1092 PN10/PN16, AS 2129 TABLE E, JIS B2212 10K, BS 10 TABLE D/E
• Working Pressure: PN10/PN16
• Temperature Range: 0℃- 80℃
• Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
Part No. | Part | Standard Specification | Options |
1 | Valve Body | EN-GJS-450-10 |
|
2 | Bolt | Carbon Steel Zinc Plated | SS304, SS316 |
3 | Washer | Carbon Steel Zinc Plated | SS304, SS316 |
4 | Disc | Carbon Steel + EPDM | Carbon Steel+NBR |
5 | Bonnet | EN-GJS-450-10 |
|
6 | Bonnet Gasket | EPDM |
|
7 | Plug | Malleable Iron Galvanized | Bronze ASTM B584 |
Note: For special material request other than standard specification, please indicate clearly on the inquiry or order list.
DN | PN | Dimensions(mm) | |||||||
Inch | mm |
| L | D | D1 | d | C | T | n-φL |
2" | 50 | 10/16 | 203 | 165 | 125 | 99 | 19 | 3 | 4-Φ19 |
2.5" | 65 | 10/16 | 216 | 185 | 145 | 118 | 19 | 3 | 4-Φ19 |
3" | 80 | 10/16 | 241 | 200 | 160 | 132 | 19 | 3 | 8-Φ19 |
4" | 100 | 10/16 | 292 | 220 | 180 | 156 | 19 | 3 | 8-Φ19 |
6" | 150 | 10/16 | 356 | 285 | 240 | 211 | 19 | 3 | 8-Φ23 |
8" | 200 | 10 | 495 | 340 | 295 | 266 | 20 | 3 | 8-Φ23 |
|
| 16 | 495 | 340 | 295 | 266 | 20 | 3 | 12-Φ23 |
10" | 250 | 10 | 622 | 405 | 350 | 319 | 22 | 3 | 12-Φ23 |
|
| 16 | 622 | 405 | 355 | 319 | 22 | 3 | 12-Φ28 |
12" | 300 | 10 | 698 | 460 | 405 | 370 | 24.5 | 4 | 12-Φ23 |
|
| 16 | 698 | 460 | 410 | 370 | 24.5 | 4 | 12-Φ28 |
Product name: ruhr one-way valve.
Medium: liquid/air.
Application: on-line fluid check control of medical device or analytical instrument.
Note: when installing check valve, special attention should be paid to the flow direction of the medium, and the normal flow should be consistent with the direction indicated on the valve body.
Interface form: luhr interface, the mother ruhr interface is the entry end, the male ruhr interface is the outlet end.
Material: valve body PC, diaphragm silicone.
Q1. How to choose a suitable plastic check valve?
A: Please let us know your required size and specifications, then we will suggest the most suitable one for you.
Q2.How much is the shipping cost?
A: Shipping cost depends on the total weight after packed, usually we send by TNT,UPS,DHL,FedEx, EMS. Please consult our customer service for specific shipping cost.
Q3: Can you send me sample by free?
A. Yes,we can send you one sample by free. You only need to pay the freight.
Q4. Can I get a discount?
A.Yes, different quantity different discount,please contact us to get the best price.
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