Norgren 3281 User Manual
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.
Performance
Application
Material
Function
Part Number
Color
Rated P SI
Rated Current Load
Operating Temperature
Allowed Leakage
Equivalent Orifice
Flow Rate
Connectors
Weight
Three-way valve designed for dashboard oper ation of truck air system accessories.
Nylon, glass filled. Meets DOT FMVSS 302 flammability requirements.
(A) Rocker symbol is white in daylight, green when backlit.
(B) White status indicator illuminated when s witch is closed or power is applied to terminal “B”.
(C) Internal mechanical switch for status illumination and/or exter nal switching (+12 VDC)
(D) When valve is s witched off, supply is blocked and deliver y is vented.
When on, supply is connected to delivery.
(E) Rocker text is opaque white and is not backlit .
3281 (horizontal)
Black with white letters and symbols.
150 PSIG maximum
Maximum current load for internal mechanical switch is 1 amp at 14 VDC.
-10°F (-23.3°C) to 160°F (71.1°C)
30 SCCM in either on or off position at 150PSIG applied to supply port and all other port (s) blocked.
(Requires laborator y test equipment.)
1/4" fittings, assume Cd=.65
(A) Primary supply to delivery
(B) Primary supply to secondar y supply:
(C) Delivery to exhaust:
1/4" fittings and 100 P SI source pressure
(A) Primary supply to delivery
(B) Primary supply to secondar y supply:
(C) Delivery to exhaust:
(Requires laborator y test equipment.)
(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) Integr ated electrical connector mates with Metri-Pak 150 series connector #12045813 with
female terminals.
40 grams (approximate)
Standard Dash Valve
Series 3281
.115" diameter or large
.130" diameter or larger
.080" diameter or l arger
14+ SCFM
17+ SCFM
6.9+ SCFM
REV: 5/14 01
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 3281
Part number Description Rocker symbol Rocker text Status lighting Valve in guarded position as shown
32 81-1 Inter–axle
differential
lock
Air valve Status switch
Red LED oval only Off Open
INTER
AXLE
3281-2 5th wheel slide
3281-3 Air suspension
dump
3281-4 Power take off
3281-5 Air intake routing
3281-6 Neutral control
Red LED oval only Off Open
5TH
WHEEL
Red LED oval only Off Open
SUSP
HEIGHT
Red LED oval only Off Open
P.T. O.
Red LED oval only On Open
AIR
INTA KE
Red LED oval only Off Open
NEUTRAL
CONTROL
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
REV: 5/1402
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