2
VALVES
VAL-348
For further information www.norgren.com
Description (standard valve)
Switching function: normally closed
Flow direction: determined
Operating pressure:
maximum 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: Stainless steel (1.4408)
Seat seal: PTFE
Internal parts: Stainless steel
Spindle sealing: PTFE / NBR,
self-adjusting
Pilot fluid characteristics /
Actuator material
Pilot fluid: neutral gases
Fluid temperature: max. 140°F
(60°C)
Body: Stainless steel (1.4404)
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
M5 mounting thread as standard
For aggressive gases and liquids to 24 inch
2
/s (cSt)
Pressure actuated by external fluid
Seat valves
Internal thread 1/8" NPT to 1/2" NPT
a
Z
P
A
b
a
b
Connection size
NPT
Orifice
inch
Cv-Value Weight
(lb)
Part number Operating pressure psi
PTFE*
1/8 0.08 0.14 0.77 8439800.0000.XXXXX 0 - 363
1/4 0.16 0.40 0.73 8439020.0000.XXXXX 0 - 363
3/8 0.24 0.69 0.71 8439140.0000.XXXXX 0 - 290
1/2 0.39 2.07 1.04 8439260.0000.XXXXX 0 - 116
* Pilot pressure 58 - 145 psi (4 - 10 bar)
Technical data actuator Ø 2.8 inch
Technical specifications
Series 84390
2/2-way valves Orifice 0.08 to 0.39
