Model: 20859-001

System Pressure Regulating Valve

Properties:

Body Material

Aluminum alloy, qq-a-225/8, alloy 6061, t651

Media For Which Designed

Hydraulic fluid, petroleum base and lubricating oil, diester base

Flow Control Device

Piston, spring loaded

Flow Control Device Material

Steel

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

3000.0 pounds per square inch

Filter

Not included

NSN

4820-01-196-4230

Part Number

20859-001

Description

Valve,regulating,system Pressure

CAGE

78062

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 20859-001 NSN 4820-01-196-4230

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

35896

FIIG:

A21100

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

22.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

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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