Model: 55AF-1

Safety Relief Valve

Properties:

Pipe Size Accommodated
1.500 inches 1st end
Pipe Size Accommodated
1.500 inches 2nd end
Flow Control Device
Disk
Disk Loading Method
Spring
Connection Style
G60b plain (pipe) 2nd end
Connection Style
Plain (pipe) 2nd end
Connection Style
Socket 1st end
Valve Operation Method
Automatic
Connection Type
Unthreaded external pipe 2nd end
Connection Type
Unthreaded internal pipe 1st end
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+120.0/+160.0 pounds per square inch
Adjustable Pressure Range
+120.0 to 160.0 pounds per square inch
Opening Pressure Setting
140.0 pounds per square inch
Material
Aluminum alloy body
Material
Stainless steel flow control device
Material
Stainless steel seat
Material
Stainless steel stem
Surface Treatment
Anodize
Style Designator
Straight thru
NSN
4820-00-087-2093
Part Number
55AF-1
Description
Valve,safety Relief
CAGE
86184

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 55AF-1 NSN 4820-00-087-2093

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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