Brass Check Valves / hot forging Non return valve.

1. The body is forged with brass C3771, C37000, CW614N, CW617N, etc.
2. The valve is used for preventing backflow of medium, reversion of pumps and their motor inside, release of medium in containers.
3. Female thread to ISO288/1, BSP, NPT, etc.

Size: 1/2", 3/4", 1", 1 1/2", 1 3/4", 2", 2 1/2", 3", 4"..

Technical standard:

Norminal Diameter: DN15-DN50, can be customized.

Norminal Pressure: 1.6Mpa..

Working Medium: Water, Non-causticity liquid, Saturated steam

Working Temperature: -20°C≤T≤100°C

Years of OEM experience.

  High Quality,

Advantage:

1)       Fast Material Supply. Have own copper bar Factory of Group.

2)       Every valve put through a six-step QC process before delivery.

Material Control, Machining Quality Control, In-coming Material Inspection, Assembly Line Quality Control, Leakage Testing, Final Inspection Before Delivery.

3)       100% Leakage Test.

4)       Strictly and perfect management in production.

5)       Guaranteed Quality In Competitive Price.

6)       On-time Delivery.

7)       Complete R&D facilities and Excellent team.

8)       Annual R&D projects reach the number of 100.

9)       Have rich experience and strong ability to develop new products.

With screwing-to-open construction, it can rotate freely and stop reverse rotation.

1)Body——Hydraulic test is carried out on the valve body according to GB/T 13927-92 standards for universal valves,and the test result shows that the valve body meets the requirements of enclosure test.
2)Flap——Flap can rotate freely around the axis pin.
3)Nut——Fixation Function.
4)Rocker——Transmission Function.
5)Axis pin——Orientation Function.
6)Gaskets——Sealing Function.
7)Cap——Sealing between the valve cap and boy is completed with gaskets for easy dismantling and reinstalling.


Established in 1998, Ningbo Jiekelong Manufacturing Inc. is located at Cicheng, Ningbo, with convenient transportation by water, land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel valves, sanitary wares, water meters and various pipe fittings etc., the company is devoted provide high-quality professional services to all customers around the world.