Part Number 639XB2-4-2 Safety Relief Valve
SKU: 4820010116156639XB242 Safety Relief Valve Datasheet
Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Bonnet Type:
Inside spring
Bonnet Attachment Method:
Threaded
Disk Loading Method:
Spring
Maximum Operating Temp:
225.0 degrees fahrenheit single response
Connection Style:
G42 flared (tube) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded external tube all ends
Adjustable Pressure Range:
+10.0/+50.0 pounds per square inch
Maximum Operating Pressure:
50.0 pounds per square inch single response
Thread Size:
0.438 inches all ends
Seat Angle:
37.0 degrees all ends
Opening Pressure Setting:
35.0 pounds per square inch
Outside Diameter Tube Accommodated:
0.250 inches all ends
Material Specification:
Fed standard 66, aisi 303/SAE 30303 federal standard single material response flow control device
Material Specification:
QQ-B-626, alloy 360 federal specification single material response body
Media For Which Designed:
Water-oil-gas 2ND response
Media For Which Designed:
Air 1ST response
Manufacturer Cage:
86768
Trade Information:
- Schedule B: 8481400000
- SITC: 74740
- End Use: Industrial machines, other
- NAICS: 332911
- USDA: 1
Safety or relief valves
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