Model: B20C30

Safety Relief Valve

Special Features:

Tapped minus 2 thds in relief port

Properties:

Thread Class

3b all ends

Thread Direction

Right-hand all ends

Offset Distance

0.250 inches

Flow Control Device

Piston

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Connection Style

G4 gasket sea (boss) all ends

Connection Style

Gasket sea (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

Features Provided

Pressure tight outlet side and valve stem lock shield

Thread Size

0.437 inches all ends

Center To Center Distance

0.313 inches

Outside Diameter Tube Accommodated

0.250 inches all ends

Material

Aluminum alloy body

Material

Plastic flow control device

Style Designator

Tee w/offset

Thread Series Designator

Unf all ends

NSN

4820-00-788-0417

Part Number

B20C30

Description

Valve,safety Relief

CAGE

72914

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part B20C30 NSN 4820-00-788-0417

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

0.4000lbs

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves