Pneumatic Manual Pressure Regulating Valve-Jyq21-25

The role of the gas manual pressure relief relief valve (gas manual pressure regulating valve) in the ground bop control device is to control the pressure of the annular bop and to lower the pressure of the high pressure oil in the accumulator (21MPa/3000psi) to a lower pressure (usually 10.5MPa/1500psi).In addition, the valve can be self – overflow, is a relief relief valve

Description

1 Overview
The function of the manual pressure reducing and overflow valve in the ground blowout preventer control device is to reduce the high pressure oil (21Mpa) in the accumulator to the lower pressure required to control the blowout preventer (usually 10.5Mpa). In addition, under certain working conditions, the valve also has the function of automatic overflow and pressure reduction, so the method has two functions: oil tines and overflow.
2. Main technical parameters
Model:JYQ21-25
Nominal Pressure (MPa):21
Nominal Diameter (mm):25
Flow(L/Min):160
Jobs Pressure( Mpa):0~21
Adjustment Range (Mpa):0~14
Weught:22KG
Volume (cm³):21.8*13.8*48

Manual Regulator(JYQ21-25)
In repair kit (Item Part No. Description Qty
1 GB/T 70.1-2000 M8X20 Screw 16
2 GB/T93 -1987 8 Spring Washer 16
3 QDTYF-00 -01  Air cylinder upper cover 1
4 QDTYF-00-02 Diaphragm 1
5 QDTYF-00-04  Screw 1
6 QDTYF-00-03 Supporting disc 1
7 QDTYF-00-05  Spring 1
8 GB/T 70.1-2000 M10X45 Screw 4
9 GB/T 93-1987 10  Spring Washer 4
10 QDTYF-00-08  Air cylinder lower cover 1
11 QDTYF-00-07 Pressing Plate 1
12 SDTYF-00-07 Guide,Piston 1
13 GB 1235-76 50X3.1 O-Ring 2
14 GB/T 70.1-2000 M8X30 Screw 1
15 QDTYF-00-06  Piston 1
16 SDTYF-00-08  Back-Up Ring 4
17 GB 1235-76 25X2.4 O-Ring 9
18 GB 1235-76 16X2.4 O-Ring 1
19 SDTYF-00-17 Seal Container 1
20 SDTYF-00-11  ValveCage 1
21 GB 1235-76 32X3.1 O-Ring 1
22 SDTYF-00-24  Wave Spring 2
23 SDTYF-00-12  Seal Ring , Vent 2
24 SDTYF-00-15  Spring 1
25 SDTYF-00-16 Seal Ring, Supply 2
26 SDTYF-00-25  Flow Plate, Vent 2
27 GB 1235-76 54X3.5 O-Ring 4
28 GB/T 119.1-2000 3X12 Pin 4
29 SDTYF-00-26 Flange,Vent 1
30 GB/T 70.1-2000 M5X18 Screw 8
31 GB/T 70.1-2000 M10X35 Screw 24
32 SDTYF-00-09 Flange, Blind 1
33 SDTYF-00-18  Body 1
34 SDTYF-00-13  Flow Plate, Supply 2
35 GB 1235-76 11X1.9 O-Ring 4
36 SDTYF-00-27 Flange, lnlet(1″NPT) 1
37 SDTYF-00-14 Flange, Blind 1
38 SDTYF-00-10 Flange. Outlet(1″NPT) 1
39 GB 1235-76 40X3.5 O-Ring 1
40 SDTYF-00-19 Flange, Lower 1

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