Model: 7493-731

Check Valve

Special Features:

Trim material; stellite 6; only oil free packings and gaskets are to be utilized; mfg suggests using part number, certification data sheet, and drawing number when ordering

Properties:

Pipe Size Accommodated

4.000 inches all ends

Flow Control Device

Piston

Connection Style

Beveled (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Butt weld pipe all ends

Mounting Position

Horizontal

Maximum Operating Pressure

150.0 pounds per square inch single response

Part Name Assigned By Controlling Agency

4" piston check valve, asme class 150 lb

Material

Stainless steel body

Material Specification

Astm a351, gr cf8 assn standard single material response body

Media For Which Designed

Steam single response

Style Designator

Straight thru

NSN

4820-01-469-5588

Part Number

7493-731

Description

Valve,check

CAGE

57574

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 7493-731 NSN 4820-01-469-5588

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