air tank valve

Schrader valve
1. NPT and BSPT and M10 and other standard Screw thread
2. Top quality and competitive price
3. Nickel plated
4. Brass materials

We can produce many kinds of specifical valve, Such as the schrader valve and many tyre valve and tube valve...
We can also produce according to the sample or drawings

The techincal information


Serial
Number
Test project
TECHNICAL REQUIREMENT
1
Sealing performance test
Under the pressure of 1.5 Mpa pressure, keep the 120 s, can not have bubbles to escape the water.
2
The valve body surface
No crack
3
Total durface
10+00.4
4
Mouth cavity body core throat diameter
Φ 3.82+00.12
5
Mouth cavity 5 v1 body core thread
Pitch diameter: Φ 4.869+00.135
Small diameter: Φ 4.6+00.2
Depth: 7.8+00.8
6
Hexagon nut thread
Pitch diameter: Φ 7.284+00.184
Small diameter: Φ 7.036+00.203
7
Mouth 8 v1 external thread body
Major diameter: Φ 7.747-00.203
Pitch diameter: Φ 7.23-00.15
8
Pipe bending height
16.5± 1
9
Outer diameter of the base
Φ 14-00.25
10
The parts surface quality
Can not have oil, rust and other defects affect the using performance. Steel components should be anti-corrosion surface treatment.