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18 Years Factory Brass Air Valve - CHECK VALVES-S1001 – Shangyi

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We always think and practice corresponding to the change of circumstance, and grow up. We purpose at the achievement of a richer mind and body as well as the living for Brass Welding Rod , Manifold For Pex Pipe , Brass Air Vent Valve , We warmly welcome domestic and abroad buyers deliver inquiry to us ,we now have 24hours doing work team! Anytime anywhere we are still here to be your partner.
18 Years Factory Brass Air Valve - CHECK VALVES-S1001 – Shangyi Detail:

Brass Spring Check Valve is made of forged brass, also called non-return valve, designed to control backflow of fluid control system, the fluid is directed by disc and flows in one direction, widely used for plumbing, pumping, and pipelines.

Product information :

Product name CHECK VALVES
Sizes 1/4”-1/2″,3/4”
Bore Full bore
Application Water, oil, and other non-corrosive liquid
Working pressure PN16
Working temperature -10 to 110°C
Working durability 10,000 cycles
Quality standard EN13828, EN228-1/ ISO5208
End Connection BSP
Features: Heavy-duty design for higher pressure
Anti-blow-out stem structure/O-Ring or Pressure Nut
100% leakage test on valve before delivery
Agents wanted and OEM  acceptable
Packing Inner boxes in cartons, loaded in pallets
Customized design acceptable

Spare Part for check valves:

NO Component Material
1 Body Brass
2 Spring Stainless
3 Disc POM
4 Rubber gasket NBR
5 Bonnet Brass

Bore sizes for check valves:

SIZE L H DN Weight Carton
1/2″ 32.8 45 18 120 228
3/4″ 41.5 51 22 180 144
1″ 47 54 28 240 108
11/4″ 57.5 57.5 37 330 72
11/2″ 68 68.5 42 500 36
2″ 80 72.5 55 700 18
21/2″ 103 90.5 67 1550 12
3″ 110 97 78 1900 12
4″ 142 112 101.5 3000 6

Production flow of check valves :

Production Process

Brass material Chemical composition used for check valves:

59534d14e21a7864798331 (1)

Available surface treatments of check valves:

Craft color

Packing of check valves:

Pack and ship

Testing Lab for check valves:

Testing Machine

Why choose SHANGYI as your China valves supplier:

1.rofessional valve manufacturer,with over 20 years of industry experiences.
2.Monthly production capacity of 1million sets,enables quick delivery
3.Testing each valve one by one
4.Intensive QC and on-time delivery,to make quality reliable and stable
5.Prompt responsive communications,from pre-sales to after-sales


Product detail pictures:

18 Years Factory Brass Air Valve -
 CHECK VALVES-S1001 – Shangyi detail pictures


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To continually enhance the management technique by virtue of your rule of "sincerely, great faith and high-quality are the base of company development", we widely absorb the essence of similar merchandise internationally, and continuously build new merchandise to meet the demands of customers for 18 Years Factory Brass Air Valve - CHECK VALVES-S1001 – Shangyi , The product will supply to all over the world, such as: Ireland , Thailand , Houston , We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with customers both at home and abroad. We expect sincere cooperation and common development!
  • The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Henry from Barcelona - 2017.06.16 18:23
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Pamela from Irish - 2017.07.07 13:00
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