2
VALVES
VAL-368
For further information www.norgren.com
Description (standard valve)
Switching function: normally closed
Flow direction: determined
Mounting position: as required
Process fluid characteristics /
Valve material
Fluid temperature:
14°F up to max. 356°F
(-10°C up to max. 180°C)
Ambient temperature:
14°F up to max.
140°F (-10°C up to max. 60°C)
Body: Dezincification resistant
brass
Seat seal: PTFE
Internal parts: Brass, Stainless steel
Spindle sealing: PTFE / FPM,
self-adjusting
Pilot fluid characteristics /
Actuator material
Pilot connection: 1/4" NPT
Pilot fluid: neutral gases
Fluid temperature:
max. 140°F (60°C)
Body: Polyamid 66 with 30%
fibre glass
Seal: NBR
Internal parts: Brass, Stainless steel
Features
Optical position indicator is
standard
Damped closing (valve closes
against flow direction)
Suitable for contaminated process
fluids
Suitable for vacuum up
to max. 90%
Reversed flow direction optional
High flow rate
Optional pressure actuation
by liquid pilot fluids
For neutral gases and liquids
Pressure actuated by external fluid
Seat valves
Internal thread 1/2" NPT to 1" NPT
Operating pressure: see technical data
a
Z
P
A
b
a
b
Operating pressure psi*
Connection size
NPT
Orifice
inch
Cv-Value Weight
(lb)
Part number PTFE Normally open** Posivicro
switches
NAMUR
adapter plate
Position indica-
tor to NAMUR
EN 50227
00 01 23 50 58
1/2 0.6 5.5 2.87 84732XX.0000.XXXXX 0 - 232 0 - 232 0 - 232 0 - 232 0 - 232
3/4 0.8 11.5 3.09 84733XX.0000.XXXXX 0 - 116 0 - 116 0 - 116 0 - 116 0 - 116
1 1.0 16.1 3.75 84734XX.0000.XXXXX 0 - 73 0 - 73 0 - 73 0 - 73 0 - 73
Technical data actuator Ø 2 inch
Technical specifications
* Pilot pressure 51 - 145 psi (3.5 - 10 bar), pilot connection Z2
**Pilot pressure 15 - 145 psi (1 - 10 bar), pilot connection Z1
Series 84730
2/2-way valves Orifice 0.6 to 1.0
