Norgren 3281 Series User Manual

Standard dash valve series 3281, Performance, Features

Performance

Application

Three-way valve designed for dashboard operation of truck air system accessories.

Material

Nylon, glass filled. Meets DOT FMVSS 302 flammability requirements.

Function

(A) Rocker symbol is white in daylight, green when backlit.
(B) White status indicator illuminated when switch is closed or power is applied to terminal “B”.
(C) Internal mechanical switch for status illumination and/or external switching (+12 VDC)
(D) When valve is switched off, supply is blocked and delivery is vented.

When on, supply is connected to delivery.

(E) Rocker text is opaque white and is not backlit.

Part Number

3281 (horizontal)

Color

Black with white letters and symbols.

Rated PSI

150 PSIG maximum

Rated Current Load

Maximum current load for internal mechanical switch is 1 amp at 14 VDC.

Operating Temperature

-10°F (-23.3°C) to 160°F (71.1°C)

Allowed Leakage

30 SCCM in either on or off position at 150PSIG applied to supply port and all other port (s) blocked.

(Requires laboratory test equipment.)

Equivalent Orifice

1/4" fittings, assume Cd=.65
(A) Primary supply to delivery
(B) Primary supply to secondary supply:
(C) Delivery to exhaust:

.115" diameter or large
.130" diameter or larger
.080" diameter or larger

Flow Rate

1/4" fittings and 100 PSI source pressure
(A) Primary supply to delivery
(B) Primary supply to secondary supply:
(C) Delivery to exhaust:

(Requires laboratory test equipment.)

14+ SCFM
17+ SCFM
6.9+ SCFM

Connectors

(A) Three 1/4" push-to-connect fittings with rigid tube supports 1/4" push-to-connect fittings meet DOT

FMVSS 106 50 lb. pull test when used with SAE J844 nylon tubing.

(B) Integrated electrical connector mates with Metri-Pak 150 series connector #12045813 with

female terminals.

Weight

40 grams (approximate)

Features

Norgren GT Development dash valves are
custom designed valves for remote actuation of
air-powered accessories, in a variety of styles
and markings. They have been engineered for
functionality and durability, as well as for a
pleasing appearance.

Our policy is one of continued research and development. We therefore reserve the right to amend,

without notice, the specifications given in this document.

Standard Dash Valve

Series 3281

REV: 5/14