.

4 Inch Ball Valve

Description of 4 Inch Ball Valve:

ZECO4 inch flanged ball valveis also the most common batch products, which are mainly floating ball valves. Occasionally, fixed ball valves may be used due to special working conditions.ZECO and theNational Pump and Valve Testing Center are long-term strategic partners. As a check valve factory, ZECO regularly sends samples of products for routine use to the testing center for testing every year to verify that the products have not changed due to any possible changes in the long-term production process.

Features of 4 Inch Ball Valve:

  1. valve Chinais designed with automatic pressure relief structure.When the change of pressure or temperature in the pipeline causes the abnormal rise of pressure in the valve body, the medium will open the sealing ring by the pressure of overpressure for automatic pressure relief, so as to ensure the safety of the valve and the pipeline;

Material of 4 Inch Ball Valve:

No

Part

Material

1

Body

ASTM A105

2

Bonnet

ASTM A105

3

Ball

ASTM A182 F304

4

Seat

ASTM A182 F304

5

Stem

ASTM A276 304

6

Anti-static Device

SS304

7

Gasket

Graphite + SS304

8

Bolt

ASTM A193 B7

9

Nut

ASTM A194 2H

10

O-ring

Viton A

11

Lever

ASTM A216 WCB


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