Model: 81M-3MS 8IN, CD00086

Check Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

14 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

8.000 inches

Maximum Operating Pressure

250.0 pounds per square inch single response

Outside Diameter

12.380 inches all ends

Face To Face Distance

25.750 inches

Thickness

1.350 inches all ends

Bolt Hole Diameter

0.688 inches all ends

Bolt Circle Diameter

11.062 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy body

Style Designator

Straight through flanged ends

NSN

4820-01-377-7069

Part Number

81M-3MS 8IN, CD00086

Description

Valve,check

CAGE

86184

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 81M-3MS 8IN, CD00086 NSN 4820-01-377-7069

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:

540.0000lbs

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over