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Home > Products > Safety Valve > Flanged Safety Valve > Flanged High Pressure Safety Overflow Valve (GYA42H)

Flanged High Pressure Safety Overflow Valve (GYA42H)

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Basic Info

Model No.:  GYA42H

Product Description

Model NO.: GYA42H Pressure: Pn160-Pn400 Bar Application: Petroleum, Chemistry and Hydraulic Conveyor Lines Trademark: GOOLE, OEM Origin: Wenzhou, Zhejiang, China Connection: Flanged Inlet and Female Thread Outlet Size: Dn10- Dn32 Working Medium: Below 200 Deg C Specification: CE, SGS HS Code: 8481400000 GYA42H High Pressure Safety Overflow Valves can be used for Petroleum, Chemistry and Hydraulic conveyor pipelines. Its working temperature is less than 200 Deg C. It serves as an overpressure protection device. It's often used for High pressure pipelines.

Main Specifications
Type PN (MPa) Setting Pressure (MPa) Working Temp. (°C) Suitable Medium
GYAY42H-160
GYA802Y-160
16 6.3-16.0 200 Water, Oil, Gas, etc.
GYAY42H-250
GYA802Y-250
25 10.0-25.0
GYAY42H-400
GYA802Y-400
GYA802Y-600
40.0-60.0 20.0-60.0

Materials for Main Parts
No. Name  Material
1 Body Carbon Steel
2 Seat Stainless Steel
3 Disc Stainless Steel
4 Bonnet Welding Element
5 Spring 50CrVA

External Dimension:
Type DN Dimensions (mm)
Rc ZG L L1 ≈H
GYA802Y-600 15 1/2" 1/2" 48 140 250
25 3/4" 3/4" 52 113 275
40 1.1/2" 1.1/2" 52 157 336

Type DN Dimensions (mm)
D D1 K M Z-d b L L1 Rc ≈H
GAY42H-160
GAY42H-250
GAY42H-400
15 135 95 25 M48X3 6-26 25 48 140 1" 329
20 165 115 30 M56X3 6-29 28 53 170 1.1/2" 447
25 200 145 38 M64X3 6-29 40 53 175 2" 485
32 210 155 40 M64X3 6-29 40 68 180 2.1/2" 570


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