Model: 627-1

Safety Relief Valve

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Connection Style
G4 gasket sea (boss) all ends
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Features Provided
Bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
20 all ends
Adjustable Pressure Range
+1000.0/+2100.0 pounds per square inch
Thread Size
0.437 inches all ends
Seat Angle
37.0 degrees all ends
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Aluminum alloy body
Material
Steel flow control device
Material
Steel seat
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Unf all ends
NSN
4820-00-694-8051
Part Number
627-1
Description
Valve,safety Relief
CAGE
72139

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 627-1 NSN 4820-00-694-8051

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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