Norgren 134-4 User Manual
Height control seat valve
Part Number 134-4
Norgren GT Development Height Control Seat
Valves adjust seat height on air suspension seats.
GT provides these valves in push-pull, paddle, and
rocker configurations, with the option of threaded
ports, push-to-connect, or barb fittings.
134-4
251-12A
Actuation
Push: Applies inlet pressure to outlet port.
Pull: Vents outlet port.
Leakage
Valve cannot leak to outlet port in "OFF" position.
Pressure Rating
200 psig
Porting
Outlet port configuration options: 1/8"-27 nptf female thread
Installation Torque
15 ft. lbs. max.
Part Number
134-4
Part Number's 251-12B and 251-21A
Part Number 3013-4
Actuation
Push: Applies inlet pressure to outlet port.
Pull: Vents outlet port.
Leakage
Valve cannot leak to outlet port in "OFF" position.
Pressure Rating
200 psig
Porting
Outlet port configuration options: 1/8"-27 nptf female thread
Installation Torque
15 ft. lbs. max.
Part Number
251-12B permanent knob, Ports ¼” push to connect fittings
251-21A removable knob, Ports 1/8 -27 NPT internal thread
Actuation
3-way, dead center, paddle style actuation
Assembly
Valve assembly snaps into seat side panel from the outside
Material
Black thermoplastic construction, mold tech. #11010 or equivalent
texture on all exposed surfaces.
Compliance
All plastic components meet FMVSS 302 flamability requirements
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
Height Control Seat Valve
Rev. 9/14
01
3013