Model: 1750

Check Valve

Special Features:

Media requires a mixture of 67percent-ethylene and 33percent-water by volume; cartridge type

Properties:

Pipe Size Accommodated

0.499 inches 2nd end

Flow Control Device

Poppet

Maximum Operating Temp

131.0 degrees fahrenheit single response

Connection Style

Plain (pipe) 2nd end

Connection Style

Plain (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Unthreaded external pipe 2nd end

Connection Type

Unthreaded external tube 1st end

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.312 inches 1st end

Material

Plastic polypropylene packing

Material

Steel comp 303 body

Media For Which Designed

Water, fresh 2nd response

Media For Which Designed

Ethylene glycol 1st response

Style Designator

Straight thru

NSN

4820-01-250-7109

Part Number

1750

Description

Valve,check

CAGE

96948

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 1750 NSN 4820-01-250-7109

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel