Model: C3457

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Maximum Operating Temp
180.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round 1st end
Flange Shape
Round 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Valve Size
2.000 inches
Adjustable Pressure Range
+90.0/+140.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch single response
Outside Diameter
6.500 inches 2nd end
Outside Diameter
8.250 inches 1st end
Thickness
0.750 inches 2nd end
Thickness
0.906 inches 1st end
First Connection Face To Centerline Distance
4.500 inches
Second Connection Face To Centerline Distance
4.125 inches
Flange Face Design
Plain 1st end
Flange Face Design
Plain 2nd end
Material
Copper alloy body
Material
Nickel alloy stem
Material
Rubber butadiene-acrylonitrile class nbr flow control device
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Water, salt single response
NSN
4820-01-170-9778
Part Number
C3457
Description
Valve,safety Relief
CAGE
35795

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 C3457 NSN 4820-01-170-9778

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:
A
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:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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