Valve Supplier AQ204 Stainless Steel Spring Loaded Flange SS304 Water Air Steam Oil Boiler Pressure Relief Safety Valve
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- Supplier: Shanghai Best Automation Technology Co. Ltd.Shanghai Ltd.
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Product Overview
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Product Overview
Manufacturer | Item | Size | Place of Origin |
BEST | Safety Valve | DN15~250 | Shanghai,China |
Key Specifications/Special Features:
01. No handle, fully closed. It has adjusting rings, can adjust return pressure and discharge pressure
02. Inlet flange, outlet flange
03. Spring full lift type, valve disc value lift≥d0/4(d0 is throat diameter)
04. Applicable pressure:0.06～32MPa(see for more details on page 11 Safety Valve's Setting Pressure Level)
05. Setting pressure deviation:≤5bar ±0.15bar
＞5～23bar 3%×setting pressure
＞23～70bar ±0.7bar
＞70bar ±1%×setting pressure
06. Return pressure:85～90%setting pressure
07. Must be installed vertically, otherwise valve spool will return to the seat abnormally
08. Applicable temp.:
carbon steel normally Ⅳa:-29～200℃, specially Ⅴa:-29～300℃, Ⅲa:-29～150℃, Ib:-9～80℃,Ⅲd:-9～150℃
stainless steel Ⅳb:-40～200℃,specially Ⅴb:-40～300℃, Ⅲb:-40～150℃,Ib:-9～80℃,Ⅲd:-9～150℃
09. Valve body material:cast steel WCB(code:C), SS304(code:B), SS316(code:R), SS316L(code:L), semi SS304
(code:B1), semi SS316(code:R1), semi SS316L(code:L1)---valve body is stainless steel, bonnet is carbon steel
10. Valve disc sealing material:
02. Inlet flange, outlet flange
03. Spring full lift type, valve disc value lift≥d0/4(d0 is throat diameter)
04. Applicable pressure:0.06～32MPa(see for more details on page 11 Safety Valve's Setting Pressure Level)
05. Setting pressure deviation:≤5bar ±0.15bar
＞5～23bar 3%×setting pressure
＞23～70bar ±0.7bar
＞70bar ±1%×setting pressure
06. Return pressure:85～90%setting pressure
07. Must be installed vertically, otherwise valve spool will return to the seat abnormally
08. Applicable temp.:
carbon steel normally Ⅳa:-29～200℃, specially Ⅴa:-29～300℃, Ⅲa:-29～150℃, Ib:-9～80℃,Ⅲd:-9～150℃
stainless steel Ⅳb:-40～200℃,specially Ⅴb:-40～300℃, Ⅲb:-40～150℃,Ib:-9～80℃,Ⅲd:-9～150℃
09. Valve body material:cast steel WCB(code:C), SS304(code:B), SS316(code:R), SS316L(code:L), semi SS304
(code:B1), semi SS316(code:R1), semi SS316L(code:L1)---valve body is stainless steel, bonnet is carbon steel
10. Valve disc sealing material:
normally metal sealing---hard alloy(code:Y), alloy steel(code:H), body material(code:W)
specially soft sealing---PTFE(PTFE,code:P), NBR(NBR,code:N), VITON(VITON,code:V)
specially soft sealing---PTFE(PTFE,code:P), NBR(NBR,code:N), VITON(VITON,code:V)
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