Model: B-1221A 3IN

Stop-check Valve

Properties:

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Bolt Hole Quantity

4 all ends

Valve Operation Method

Manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

3.000 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

7.500 inches all ends

Face To Face Distance

9.000 inches

Thickness

0.625 inches all ends

Bolt Hole Diameter

0.750 inches all ends

Bolt Circle Diameter

6.000 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy flow control device

Material

Copper alloy body

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight through flanged ends

Supplementary Features

This item has been reviewed for asbestos material. The current approved source, 30263, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984

Furnished Items And Quantity

1 handwheel

NSN

4820-01-244-1151

Part Number

B-1221A 3IN

Description

Valve,stop-check

CAGE

30263

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part B-1221A 3IN NSN 4820-01-244-1151

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05486

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:

52.6000lbs

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:

Construction Materials

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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