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

ProfileOur CertificateOur AdvantageMission StatementQuality Control SystemOilfield Equipment/Drilling Rig Parts/ComponentsHeavy Equip and PartsTruck-mounted drilling rigTrailer-mounted drilling rigModular drilling rigBigEasy drilling rigHelicopter drilling rigSJ PetroleumTruck-mounted drilling rigsRG Petro drawworksRG Hook blockRg petro traveling blockRg petro hookRg petro crown blockRg petro rotary tableRg petro swivelNanyang RG PetroleumDC electric drive drilling rigAC Variable-frequency electric drive drilling rigMechanical drive drilling rigCombined drive drilling rigLand drilling rigTruck mounted drilling & workover rigsBomco rotary tableBomco swivelBomco traveling blockBomco hooksBomco crown blockBomco drawworksBomco mud pumpBomco/Baoji OilfieldHonghua Crown blockHonghua SwivelHonghua HookHonghua drawworksHonghua traveling blockHonghua rotary tableSichuan HonghuaDC motor driven drilling rigAC Variable Frequency Motor Driven Drilling Rigs Mechan-Electric Drilling RigsMechanical Driven Drilling RigsLanzhou Crown BlockLanzhou Traveling blockLanzhou HookLanzhou Hook BlockLanzhou SwivelLanzhou Rotary TableLanzhou DrawworksLanzhou Eddy current brakeLanzhou Mud pumpLanzhou Compound Transmission UnitLanzhou MastLanzhou SubstructuresLanzhou LS-NOWBPM Control System for Surface Mounted BOP StacksBPM Top driveBPMF/BPM(Beijing Petroleum)Renqiu Boke(Forward)Hysun MarineGGPMF/DONGSU(BOP CONTROL)FlowroxShenkai BOPShanghai ShenkaiCasing spoolKilling manifoldChoke manifoldKingdream Gate valveKingdream Choke valveKingdream check valveChengde KingdreamDrawworks Hydraulic Disc BrakeCentrifugal pumpMud Pump PartsBOP превенторBOP Control UnitSolid Control EquipmentWellhead Equipment & ToolsDownhole ToolsDrilling Rig Components & OthersDrawworks and PartsOther PartsRG Water Drilling Rig PartsSafety ProductHP Flow Line ProductsCrown blockUniversal JointBearingHydraulicElectricalPneumaticsHigh pressure hoseBladder AccumulatorBomco
Product Detail
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Regulator Valve JYSQ 
Present point: 0
Point offset: 0.0
Detail
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Model:

JYS21-25 JYS21-40

JYSQ21-25

MRJYSQ

MRJYSQ21-25 MRJYSQ21-40


Item

Description

Part No.

1

Hand  Wheel

SDTYF-00-01

2

Locking  Handle

SDTYF-00-02

3

Oil  Outlet   Flange

SDTYF-00-10

4

Spring  Sleeve

SDTYF-01-00

5

Inner  Spring

SDTYF-00-03

6

Outer  Spring

SDTYF-00-05

7

Guide  Ring

SDTYF-00-06

8

Upper  Plug

SDTYF-00-07

9

Blind  Flange for   oil relieving port

SDTYF-00-09

10

Seat for  oil   relieving slide bush

SDTYF-00-11

11

O ring  32*3.1

GB1235-76

12

Oil  in-take   plunger

SDTYF-00-13

13

Oil  inlet port   spring

SDTYF-00-15

14

Oil  in-take   slide bush

SDTYF-00-16

15

Valve  Plate

SDTYF-00-17

16

Valve  Body

SDTYF-00-18

17

Lower  Plug

SDTYF-00-19

18

Screw  Rod

SDTYF-00-20

19

Spring  Cover

SDTYF-00-21

20

Thrust  Ball   Bearing 8202

GB301-64

21

Pressing  seat   for spring

SDTYF-00-23

22

O ring  50*3.1

GB1235-76

23

Corrugated    spring(corrugated washer)

SDTYF-00-24

24

O ring  54*3.5

GB1235-76

25

Oil  relieving   plunger

SDTYF-00-25

26

Flange  of oil   relieving port

SDTYF-00-26

27

Flange  of oil   in-take port

SDTYF-00-27