Slow Closing Butterfly Check Valve
Main features of the butterfly design check valve
1. Small size, lightweight, structure length is only about one-third of a swing check valve.
2. The slow closing system has excellent performance and is not affected by the medium in the pipeline. The valve disc closes quickly and then slowly closes to prevent destructive water hammer.
3. Rubber soft seal, good sealing performance, wear-resistance and long service life.
4. Rubber buffer, smooth opening and closing, no vibration, no noise.
5. Compared with the old-fashioned check valve, the six resistance is smaller, and it has an obvious energy-saving effect.
Product specification of slow closure butterfly type check valve:
Nominal diameter：DN40-300mm
Product pressure：1-2.5Mpa
Material：WCB
Design conforms to CJ/T154-2001
Flange size conform to: HG20592
Inspection & test conform to: GB/T13927
Product parameter of a slowly-closing butterfly check valve
| No | Item | Material |
| 1 | Body | WCB |
| 2 | Body seal ring | Hard alloy + ethylene propylene |
| 3 | disc | rubber vulcanized rubber |
| 4 | Disc seal ring | Hard alloy + ethylene propylene |
| 5 | Slowly-closing device | WCB |
| 6 | Oil storage cylinder | WCB |
| 7 | Microregulating valve | Assembly |
| 8 | Bolt | Quality carbon steel |
| 9 | Stem | 304 |
| 10 | Axle sleeve | Copper alloy |
| 11 | Spring | Silico-manganese steel |
| 12 | Conduit | Copper |
Slow closure type butterfly check valve dimensions:
Qualified certificates
Packing&Delivery
FAQ:
Q: I need a small quantity, what do I do?
A: Pls check with our sales team if it’s in stock or if we have distributor locally.
Q: Can I nominate forwarder to deliver our order?
A: Yes, if it makes things easy at your side, not any problem.
Q: Can I get a sample fist? And how does it charge?
A: Yes, a free sample is available with freight collect or prepaid.
Q: What if the tiles are broken during transition?
A: All our products are insurance, our after-sales will sort our the reasons and will sure you’ll be properly compensated.
Feel free to contact me:
Attn: Lizy
Mob/Wechat/Whatsapp:+08615960358834
Fax:+86 592 5964598
Skype: sui_lizy
