Forged Steel Ball Valve API Forged Steel Trunnion Type Ball Valve

Parts name

material

Body、Bonnet

A150;A182-F316;A350-LF2

Stem 

A276-304;A276-316

Seat  

A105+ENP;A182-F316;A350-LF2+ENP

Ball 

A182-F304 1);A182-F306;

Design and Manufacture

Face to face

Flange end

Inspection

Fire durable 

API 6D,BS5351

ANSI B16.10

ASME B16.5

API 598/API 6D

API607

Test item

Shell test

Seal test

Back seal test

Air seal test

Medium(MPa)

water(MPa)

                         Air (MPa)

Pressure

(class)

150

3.1

2.2

2.2

0.5~0.7

300

7.8

5.6

5.6

600

15.3

11.2

11.2

900

23.1

16.8

16.8

1500

38.4

28.1

28.1