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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Hydro-pneumatic pressure switch 
Brand: Beijing BPMF
Model: QKY21-25
Present point: 0
Point offset: 0.0
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Product name:Hydro-pneumatic pressure switch


Model:QKY21-25


Parts for QKY21-25

1 Valve seat 9161500016 1

2 Core rod 9161500012 1

3 Connecting sleeve 9161500011 1

4 Support sleeve 9161500014 1

5 O-ring 5303000960 1 11.2×2.65

6 Retaining ring 9161500015 1

7 Spring 9161500013 1

8 Support core housing 9161500010 1

9 O-ring 5303000040 1 10×1.8

10 O-ring 5303001010 1 17×2.65

11 Air connecting 9161500007 1

12 Hidden hex-cylinder screw 4201120070 1 M6×18

13 Hidden hex-cylinder screw 4201120220 4 M10×25

14 Connecting flange 9161500001 1

15 O-ring 5303001290 1 51.5×2.65

16 Press sleeve 9161500004 1

17 Sealing seat 9161500005 1

18 Sealing gasket 9161500017 1

19 Locking nut 9161500008 1

20 Back nut 9161500009 1

21 Washer 9161500006 1


Application: BPMF BOP CONTROL

Model: FKDQ1200-9,FKDQ1200-9B,FKDQ960-7,FKDQ640-7,FKQ1440-14,FKQ1200-9,FKQ1280-8,FKQ960-8,FKQ840-8,FKQ800-8,FKQ1280-7,FKQ1200-7,FKQ800-7D,FKQ800-7E,FKQ800-7F,FKQ800-8G,FKQ800-9H,FKQ640-7,FKQ800-6FFKQ720-6,FKQ640-6G,FKQ640-6,FKQ640-6M,FKQ640-6S,FKQ480-5,FKQ480-5C,FKQ480-5E,FKQ480-5B,FKQ480-5D,FKQ320-4B,FKQ3204E,FKQ320-4G,FKQ320-3,FKQ160-4W,FK250-4,FK240-4,FK160-4,FK100-4,FK240-3E,FKQ240-3D,FK240-3,FK125-3,FK125-3B,FK125-2D,FK125-2F,FK50-1