2
VALVES
VAL-346
For further information www.norgren.com
a
Z
P
A
b
a
b
Description (standard valve)
Switching function: normally closed
Flow direction: determined
Operating pressure: max. 363 psi
(25 bar) (see technical data)
Mounting position: as required
Process fluid characteristics /
Valve material
Fluid temperature:
14°F up to max. 194°F
(-10°C up to max. 90°C)
Ambient temperature:
14°F up to max. 140°F
(-10°C up to max. 60°C)
Body: Brass
Seat seal: PTFE
Internal parts: Stainless steel /
Brass
Spindle sealing: PTFE / NBR
self-adjusting
Pilot fluid characteristics /
Actuator material
Pilot fluid: neutral gases
Fluid temperature:
max. 140°F (+60 °C)
Body: Brass
Seat seal: NBR
Internal parts: Stainless steel, Brass
Pilot connection: M5
Pilot pressure:
58-145 psi (4-10 bar)
Features
Small, compact 1.2 inch miniature
actuator
Actuator can be swiveled 360°
Suitable for contaminated process
fluids
Suitable for vacuum up to max.
90%
Reversed flow direction optional
High flow rate
Valve operates without pressure
differential
Body with M5 fastening thread as
standard
For neutral gases and liquids up to 24 inch2/s
Pressure actuated by external fluid
Piston seat valves
Internal thread 1/8" NPT to 1/2" NPT
Connection size
NPT
Orifice
inch
Cv-Value Weight
(lb)
Part number Operating pressure psi
PTFE*
1/8 0.08 0.14 0.77 8438800.0000.XXXXX 0 - 363
1/4 0.16 0.40 0.73 8438020.0000.XXXXX 0 - 363
3/8 0.24 0.69 0.71 8438140.0000.XXXXX 0 - 290
1/2 0.39 2.07 1.04 8438260.0000.XXXXX 0 - 116
* Pilot pressure 58 - 145 psi (4 - 10 bar)
Technical data
Technical specifications
Series 84380
2/2-way valves Orifice 0.08 to 0.39