Model: 28898-13

System Pressure Regulating Valve

Properties:

Body Material
Steel, federal standard 66, aisi 316l/sae 30316l
Body Style
Straight thru
First End Connection Type
Threaded external pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
1/4-18 npt
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external pipe
Second End Style Designator
Plain
Second End Thread Size And Series/type Designator
1/8-27 npt
Second End Thread Direction
Right-hand
Seat Material
Plastic, tetrafluoroethylene and rubber, synthetic
Flow Control Device
Double seated
End Connection Quantity
2
Criticality Code Justification
Supp
Supplementary Features
Pilot switch type bfh adjustment pressure 150-850 oxygen service
NSN
4820-01-235-2888
Part Number
28898-13
Description
Valve,regulating,system Pressure
CAGE
81400

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes valve, regulating, fluid pressure and valve, calibrated flow.

Part 28898-13 NSN 4820-01-235-2888

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
35896
FIIG:
A21100
Concept No.:
1
App. Key:
D
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:
Y

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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481809015
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

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