Model: B623-1-B1

Stop-check Valve

Special Features:

Valve size 1.000 in.

Properties:

Pipe Size Accommodated

1.000 inches all ends

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Maximum Operating Temp

775.0 degrees fahrenheit single response

Connection Style

Socket (pipe) all ends

Valve Operation Method

Manual

Connection Type

Unthreaded internal pipe all ends

Mounting Position

Horizontal or vertical

Features Provided

Bonnet packing

Maximum Operating Pressure

1500.0 pounds per square inch single response

Material

Steel body

Material

Stainless steel stem

Material Specification

Astm a105, grade 2 assn standard single material response body

Media For Which Designed

Steam single response

Style Designator

Angle

Nondefinitive Specification/std Data

D composition

NSN

4820-00-455-1087

Part Number

B623-1-B1

Description

Valve,stop-check

CAGE

11859

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 B623-1-B1 NSN 4820-00-455-1087

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:

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