صمام الكرة الثابتة

NO.

Accessory name

Material

GB

ASTM

1

Body

WCB

A216-WCB

2

Spring

60Si2Mn

AISI 9260

3

Sealing ring

PTFE

PTFE

4

Gasket

PTFE

PTFE

5

Blow off sewer

25

A105

6

O-ring

Rubber

Rubber

7

Bottom cover

25

A105

8

Screw nail

35

A193-B7

9

Fixed spindle

1Cr13

A276-410

10

Sliding bearing

PTFE &stain less steel

PTFE &stain less steel

11

Ball

1Cr18Ni9Ti

SS304

12

Bonnet

WCB

A216-WCB

13

Seat

25

A105

14

Stem

1Cr13

A276-410

15

Stud

35CrMoA

A193-B7

16

Nut

35

A194-2H

17

Cover

25

A105

18

Stuffing

PTFE

PTFE

19

Support

WCB

A216- WCB

20

Gland

WCB

A216- WCB

21

Key

45

AISI C 1045

Design Reference

GB series

API series

Design Standard

GB/T12237

API 6D

ANSI B16.34

Flange-Connection

GB/T12221

API 6D

ANSI B16.10

Structural length

GB/T15188.1

API 6D

ANSI B16.10

Connecting flange

GB/T9113

ANSI B16.5. B16.47

Butt-welding ends

GB/T12224

ANSI B16.25

Test & Inspection

GB/T9092

API 6D

API598