Model: D49661

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
2.500 inches
Adjustable Pressure Range
+72.0 to 86.0 pounds per square inch
Outside Diameter
7.000 inches 1st end
Outside Diameter
5.000 inches 2nd end
Thickness
0.870 inches 1st end
Thickness
0.860 inches 2nd end
First Connection Face To Centerline Distance
6.000 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
4.875 inches
Bolt Circle Diameter
3.870 inches 2nd end
Bolt Circle Diameter
5.500 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.060 inches all ends
Raised Face Diameter
2.870 inches 2nd end
Raised Face Diameter
4.120 inches 1st end
Material
Nickel alloy seat
Style Designator
C1a angle flanged ends
NSN
4820-01-220-6601
Part Number
D49661
Description
Valve,safety Relief
CAGE
34889

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 D49661 NSN 4820-01-220-6601

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:
52.0000lbs
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:
671
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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