Oil Pressure Relief Valve

Oil Pressure Relief Valve

oil pressure relief valve Pressure Relief Valve (PRV) or Safety Valve is the best on the pressure equipment, container and pipeline overpressure protection device. Flanged Pressure Relief Valve sizing and selection according to API 520,designed according to API 526, test according to API 527,...

Product Details

oil pressure relief valve


 Pressure Relief Valve(PRV) or Safety Valve is the best on the pressure equipment, container and pipeline overpressure protection device. Flanged Pressure Relief Valve sizing and selection according to API 520,designed according to API 526, test according to API 527, and flange as ASME B16.5.This valve's type include
-A42C Conventional Safety Valve;
-WA42C Balance Bellows Safety Valve;
-A44C Packed Lever Safety Valve;
-A48C Open Bonnet Plain Lever Type Safety Valve;
-WA44C Packed Lever Balance Bellows Safety Valve
API 526 Orifice Packed Lever Conventional Closed Bonnet Stainless Steel Nozzle Disc Flanged Pressure Relief Safety Valve for Steam Crude Oil Gas Tank Air Vess

Design Feature:
-Safety Valve/pressure safety valve, angle type;
-Full lift safety valve;
-Conventional type, Standard safety valve for fluids and gas;
-Metal to metal seated;
-Flange connection according to ANSI B16.5;
- Spring load;
-100% Compatibility to API 526
-Single Trim (identical internal parts for steam/gas/liquids) allows economical maintenance;
-Quick delivery for high-alloy materials;
-Longer valve lifespan due to hardened disc and (partially) stellite seat;
-Longer lifespan of optional bellows through integrated shielding

Standards Compliance:
-Design and Manufacture: API 520
-Face to Face(end to end): API 526
-Test and Inspection: API 527

Main Property Specification

Normal PressurePN150300600900150
Body strengthPs(Mpa)3.07.51522.538
Set pressurePk(Mpa)0.1-21.6-53.2-108-2510-25
Seal pressurePm(Mpa)90%Pk
Reseation pressurePh(Mpa)≥90%Pk
Relieving PressurePp(Mpa)≤1.1Pk
Lift heightH(mm)≥1/4 d0
Appropriate  Temp.C (WCB)  P, R (SS304, SS316)≤300ºC ≤200ºC 
Appropriate MediumAir, Oil, Steam, Water, Corrosive medium

Code of throat diameter

CodeDiameterCodeDiameter
D10L20
E13M55
F16N60
G20.5P72
H26Q96
J33R115
K40T148

 Materials for main parts

NOName of partMaterials A42H-CMaterials A42Y-PMaterials A42Y-R
1BodyWCBCF8CF8M
2Nozzle2Cr13/ 304CF8CF8M
3Adjusting Ring2Cr13/ 304304316
4Disc2Cr13/ 304304316
5Guide sleeve2Cr13/ 304304316
6BonnetWCBCF8CF8M
7SpringASTM 6150ASTM 6150 coated teflonASTM 6150 coated teflon
8Stem2Cr13304316
9Adjusting bolt452Cr132Cr13
10CapA126CF8CF8M
11Bellows304316316

Sealing surface of material "H" depositing D507,  "Y" depositing stellite
 
Essential:
Valves are delivered at a set pressure, therefore when ordering
please confirm set pressure, medium and temperature

Application:
-Provided as safety device for protection against excessive pressure in pressure vessels 
-Approved for  gases and fluids
-Working temperatures: -60°C up to +300°C for stainless steel material,  -29°C up to 300°C for cast steel material


We company have other valves: gate valve, check valve, ball valve, butterfly valve, safety valve, globe valve, plug valve, etc....


Welcome to inquiry! our valves


XIAMEN KEMUS VALVE CO.,LTD.

Website : https://www.kemus-valve.com
Elaine Zheng
(Sales Director)
Email: sales1@kemus-valve.com
Tell: +86 0592 7103069
Phone: +86 18359108305
WhatsApp: +86 18359108305
Skype: Homealine93

Wechat:  +86 18359108305

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