• 4" Brass Swing Check Valve
4" Brass Swing Check Valve

4" Brass Swing Check Valve

Product Details:

Place of Origin: China
Brand Name: DOUBLE-LIN
Certification: ACS, EAC
Model Number: LL5007

Payment & Shipping Terms:

Minimum Order Quantity: 0
Price: 0
Packaging Details: Double-Lin standard packing
Delivery Time: within 7 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 50000 pcs
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Detail Information

Item: Brass Swing Check Valve Size: 1/2" - 4"
Brass Material: HPb 57-3 Connection Type: Female X Female
Flap: Brass Screw: Brass
Working Pressure: 16 Bar(232 Psi) Thread: ISO228 (equivalent To DIN 259 And BS2779)
Working Temperature: From -10 ℃ To +120 ℃ (from 14℉ To 248℉)
High Light:

HPb 57-3 Brass Swing Check Valves


DIN 259 Brass Swing Check Valves


HPb 57-3 4 inch swing check valve

Product Description

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)                                                                          

  • 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

4" Brass Swing Check Valve 0

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


Dimension mm

1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4"


47.5 56 63 71 80.5 93 105 123 162
C 34.5 39 46.5 51 59.5 67 77 81 101
DN 14 18 22 28 33.5 43 48.5 64 83

Materials of Parts

No. Part Materials
1 Body Brass


3 Flap Brass
4 Screw Brass



  • Certificates of LL5007

4" Brass Swing Check Valve 14" Brass Swing Check Valve 24" Brass Swing Check Valve 3

  • 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

4" Brass Swing Check Valve 4
4" Brass Swing Check Valve 5
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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