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

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Brass Ball Float Valve , Manifold For Pex Pipe , Distributor Manifold , Our tenet is clear all the time: to deliver high quality product at competitive price to customers around the world. We welcome potential buyers to contact us for OEM and ODM orders.
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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Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction for 18 Years Factory Brass Air Valve - CHECK VALVES-S1001 – Shangyi , The product will supply to all over the world, such as: Portugal , Palestine , Mecca , Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our items and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Rosalind from South Korea - 2017.09.30 16:36
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Penny from Czech - 2018.09.29 13:24
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