4" Brass Swing Check Valve

1/2 " To 4 " 16 Bar Brass Swing Check Valve

• Description

​Working Pressure   16bar (232 psi)                                                 
Working Temperature  from -10 ℃ to +120 ℃ (from 14℉ to 248℉)  
Thread ISO228 (equivalent to DIN 259 and BS2779)                                                                          

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• Details

​Brass Valve Body: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines.

Brass Bonnet: High-density forging, no blister, no air holes, no leakage. Made by special high precision CNC machines.

Brass Flap: With hard sealing structure, is not easy to abrade after long-term use, with excellent sealing performance, and can be used in various environments.

• Technical Specification

1. Full flow Female x Female brass swing check valves.
2. The thread, materials, etc. can be customized.

 
Materials of Parts
 

• Certificates of LL5007

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• Company Profiles

Double-Lin, which was established in 2000 in China, is a manufacturing company for global market. Double-Lin products with self-owned brand are widely distributed to more than 100 countries and regions, and Chinese domestic market. Chairman Mr. Lin Hailin adopts strategic adjustment of industrial layout, the business scope is integrated into a comprehensive solution provider, including four major areas such as public buildings and household water control system, public buildings and home heating system, transportation and use of gas safety system, family bathroom hardware solutions, covering nearly 10,000 kinds of products and specifications.

• Our Package Details

1. Double-Lin logo forged in valve body.
2. Double-Lin logo stamped or printed on nameplate.
3. Inner box material is a 3-layer corrugated bond paper, with clear & attractive printing.
4. Product guarantee certificate.
5. PE plastic ECO bag.
6. Product spec. label sticked on the side of master carton.
7. Double-Lin special packing tape.
8. Master carton material is a 5-layer corrugated bond paper, with clear & attractive printing.
9. 2pcs of non-woven bags inside.
10. 1 copy of instruction manual inside.
 
 

• FAQ

Q: How long is your product guarantee period?
A: We have three-year guarantee and 24 hours full-time service.
 
Q: What is your MOQ?
A: We have no MOQ. We have a large warehouse and we promise "Instant Order, Immediate Delivery and No MOQ".
 
Q: Can you accept OEM?
A: Double-Lin is a company with self-owned brand, and we are promoting our brand in the world, so we will not accpet OEM.
 
Q: How long is your delivery time?
A: For the items if we have enough stocks, we can send to you immediately. For mass production, we can promise 30-35 days.
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