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High Performance Steam Safety Valve

High performance steam safety is serviced for overpressure protection of power boiler, decomposition boiler,once-throuɡn boiler,reheater and other pressure

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High Performance Steam Safety Valve



Safety Valves/pressure safety valves, angle type

Full lift safety valve
High performance steam safety valve forboiler, open bonnet,
metal to metal seated, with plain type lifting device,


Applications

High performance steam safety is serviced for overpressure protection of power boiler, decomposition boiler,once-throuɡn boiler,reheater and other pressure vessel and pipe.Its meets the requirements of ASME Boiler and pressure Vessel Code, Section I,power Boilers.

Approved for Steam,Superheat Steam
Working temperatures: ≤594℃


Features

Adjusting back Seat pressure with back pressure Jacket,to arrive minimum Blowdown.

High performance and temperature material are used for valve ,to ensure its tightness in high temperature).
Tightness body is faced with stellite,to prevent from eroding of high temperature gas.
Tested under hot position and make the safety valve approach to service condition.










Code of throat diameter

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


Essential:

Valves are delivered at a set pressure, therefore when ordering

please confirm set pressure, medium and temperature


TS

Safety accessory and Safety protection device Manufacture License of Special Equipment, People's republic of China

 

Main Dimensions







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