Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC
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JYS-21,25 Pressure reducing and regulating valve of BPMF/BPM BOP Control System

  253
Issuing time:2015-08-19 18:31


JYS21,25 Pressure reducing and regulating valve
Item
Part Name
Part No.
1
Locking handle
9161100003
2
Hand wheel
9161100001
3
Hidden hex-flat end srew
4201030190
4
Hexangular thin nut
4204000140
5
Adjusting screw
9161100002
6
Spring foundation
9161100008
7
Orienting sleeve
9161200010
8
O ring
5303001270
9
Oil-inlet flange
9161100014
10
Hidden hex srew
4201120250
11
Valve body
9161100011
12
Conneting rod
9161200010
13
Cylinder pin
4207010080
14
O ring
5303001040
15
Retaining ring
9161100020
16
Sealing case
9161200015
17
Spring
9161200016
18
Waving spring
9161100022
19
Oil-drain sealing ring
9161100021
20
O ring
5303001350
21
Plunger
9161100024
22
Hidden hex srew
4201120090
23
O ring
5303001330
24
Down plug
9161100018
25
Flange
9161100024
26
Oil-outlet flange
9161100025
27
Hidden hex screw
4201120240
28
O ring
5303001180
29
Spring adjusting cover
9161101000
30
O ring
5303001130
31
Pressure reducing sealing ring
9161200017
32
Big spring
9161100006
33
O ring
5303001010
34
Oil-inlet plunger
9161200019
35
Small sping
9161100007
36
Spring director
9161200005
37
Bearing
4301000060
38
Bearing cover
9161200014
39
Sealing plunger
9161100004
40
Elastic retaining ring for rod
4206020150