Model: 52-25F 4.00IN

Vent-check Valve

Special Features:

Flame screen and cover

Properties:

Flow Control Device

Ball

Bolt Hole Quantity

8 1st end

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Connection Type

Flange 1st end

Mounting Position

Vertical

Outside Diameter

9.000 inches 1st end

Thickness

0.938 inches 1st end

Bolt Hole Diameter

0.750 inches 1st end

Bolt Circle Diameter

7.500 inches 1st end

Flange Face Design

Plain 1st end

Material

Steel body

Style Designator

Straight thru

NSN

4820-01-308-5197

Part Number

52-25F 4.00IN

Description

Valve,vent-check

CAGE

09032

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Part 52-25F 4.00IN NSN 4820-01-308-5197

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

52995

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:

576

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