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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