Inconel Safety Relief Valve

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Description

Inconel Safety Relief Valve

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 Pressure PN 150 300 600 900 150
Body strength Ps(Mpa) 3.0 7.5 15 22.5 38
Set pressure Pk(Mpa) 0.1-2 1.6-5 3.2-10 8-25 10-25
Seal pressure Pm(Mpa) 90%Pk
Reseation pressure Ph(Mpa) ≥90%Pk
Relieving Pressure Pp(Mpa) ≤1.1Pk
Lift height H(mm) ≥1/4 d0
Appropriate  Temp. C (WCB)  P, R (SS304, SS316) ≤300ºC ≤200ºC
Appropriate Medium Air, Oil, Steam, Water, Corrosive medium

Dimension:

Code Diameter Code Diameter
D 10 L 20
E 13 M 55
F 16 N 60
G 20.5 P 72
H 26 Q 96
J 33 R 115
K 40 T 148

Materials for main parts

NO Name of part Materials A42H-C Materials A42Y-P Materials A42Y-R
1 Body WCB CF8 CF8M
2 Nozzle 2Cr13/ 304 CF8 CF8M
3 Adjusting Ring 2Cr13/ 304 304 316
4 Disc 2Cr13/ 304 304 316
5 Guide sleeve 2Cr13/ 304 304 316
6 Bonnet WCB CF8 CF8M
7 Spring ASTM 6150 ASTM 6150 coated teflon ASTM 6150 coated teflon
8 Stem 2Cr13 304 316
9 Adjusting bolt 45 2Cr13 2Cr13
10 Cap A126 CF8 CF8M
11 Bellows 304 316 316