Norgren 3281 Series - Manual

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.
© Norgren GT Development Corporaton, 2014
Standard Dash Valve
Series 3281
REV: 5/14 01