- Product Details
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Quick Details
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Model Number:
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AB812-B
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Brand Name:
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BEST
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product name:
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Pressure Relief safety valve
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working pressure:
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0.6~40bar
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bonnet type:
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half closed
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connection:
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inlet male thread, outlet female thread
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function:
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overpressure protection
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valve body material:
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stainless steel
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sealing material of valve seat:
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hard alloy, alloy steel, body material, PTFE
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MOQ:
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1
Quick Details
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Port Size:
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1/2"~3"
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Warranty:
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1 year
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Place of Origin:
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Shanghai, China
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Model Number:
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AB812-B
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Brand Name:
-
BEST
-
product name:
-
Pressure Relief safety valve
-
working pressure:
-
0.6~40bar
-
bonnet type:
-
half closed
-
connection:
-
inlet male thread, outlet female thread
-
function:
-
overpressure protection
-
valve body material:
-
stainless steel
-
sealing material of valve seat:
-
hard alloy, alloy steel, body material, PTFE
-
MOQ:
-
1
Product Overview
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Model
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Nominal diameter
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Vavle body material
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Nominal pressure
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Suitable temp.
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AB812
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DN15~80
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Stainless Steel
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4.0MPa
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＜300℃
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Others can customize according to your requirements
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Key Specifications/Special Features:
01. AB812 series has handle, half closed, there's leakage at the joint of handle 10 and protection cover 09 while valve disc is lifting, not applicable for poisonous, harmful, flammable and explosive medium; AQ802 series has no handle, fully closed
02. Inlet male thread, outlet female thread
03. It has adjusting rings, can adjust return pressure and discharge pressure
04. Spring full lift type, valve disc value lift =d0/40(d0 is throat diameter)
05. Applicable pressure:0.06～4.0MPa(see for more details on page 11 Safety Valve's Setting Pressure Level)
06. Setting pressure deviation:≤5bar ±0.15bar
＞5～23bar 3%×setting pressure
＞23～40bar ±0.7bar
07. Return pressure:85～90%setting pressure
08. Must be installed vertically, otherwise valve spool will return to the seat abnormally
09. Applicable temp.: cast iron normally Ⅳc:-15～200℃, specially Ⅲc:-15～150℃
carbon steel normally Ⅳa:-29～200℃, specially Ⅴa:-29～300℃, Ⅲa:-29～150℃
stainless steel Ⅳb:-40～200℃,specially Ⅴb:-40～300℃, Ⅲb:-40～150℃
10. Valve body material:cast iron(code:C), cast steelWCB(code:C), SS304(code:B), SS316(code:R), SS316L(code:L)
11. 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)
FEATURES AT A GLANCE
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