Model: 26-15768-1

Safety Relief Valve

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
-40.0 degrees fahrenheit 1st response280.0 degrees fahrenheit 2nd response
Connection Style
G42 flared (tube) all ends
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Features Provided
Valve stem lock shield
Adjustable Pressure Range
+25.0/+75.0 pounds per square inch
Adjustable Pressure Range
+25.0 to 75.0 pounds per square inch
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees all ends
Opening Pressure Setting
28.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches all ends
Material
Steel comp 303 body
Material
Steel comp 303 flow control device and rubber butadiene-acrylonitrile class nbr flow control device
Material
Steel comp 303 seat
Material
Steel comp 303 stem
Material Specification
Fedstd66, aisi303/sae30303 federal standard single material response flow control device
Material Specification
Fedstd66, aisi303/sae30303 federal standard single material response seat
Material Specification
Fedstd66, aisi303/sae30303 federal standard single material response stem
Material Specification
Fedstd66, aisi303/sae30303 federal standard single material response body
Media For Which Designed
Air 1st response
Media For Which Designed
Alcohol, ethyl 2nd response
Media For Which Designed
Ammonia, gaseous 3rd response
Media For Which Designed
Fuel/oil, hydrocarbon 4th response
Media For Which Designed
Helium 5th response
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
Furnished Items And Quantity
1 deflector cap
NSN
4820-00-068-1017
Part Number
26-15768-1
Description
Valve,safety Relief
CAGE
81205

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 26-15768-1 NSN 4820-00-068-1017

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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