2
VALVES
VAL-374
For further information www.norgren.com
Drawing legend
P
A
Z1
Z2
118
115
120
114
111
112
108
104
105
117
119
122
116
103
110
113
109
107
106
102
101
SW
H
H
L
4
/
1
G
B
* 8X = Pilot pressure 73.0 - 102 psi
81= Pilot pressure 14.5 - 102 psi
Technical data actuator Ø 120 mm
Actuator Ø 70 mm
Index Description
101 Valve body
*102 Valve plate
103 Valve spindle assembly
104 Allen head screw
105 Spring washer
*106 Gasket
107 Screw piece
*108 Spindle sealing
*109 O-ring
110 Bottom of control head housing
*111 Cup spring
112 Screw piece
*113 Pressure spring
*114 Piston seal
115 Signal pin
*116 Pressure spring
*117 O-ring
118 End cap
*119 O-ring
120 Control head housing cover
*122 Pressure spring
* A service kit consists of these individual parts.
Connection
size NPT
L
Inches
B*
Inches
H
Inches
H1
Inches
SW
Inches
1/2 2.56 3.52 6.99 6.46 1.06
3/4 2.95 3.52 7.24 6.61 1.26
1 3.54 3.52 7.66 6.85 1.61
1 1/4 4.33 3.52 8.25 7.26 1.97
1 1/2 4.72 3.52 8.21 7.32 2.17
2 5.91 3.52 9.04 7.66 2.76
* B = maximum width
Operating pressure psi**
Connection size
NPT
Orifice
inch
Cv-Value
m3/h
Part number PTFE Normally open* Position
indicator:
2 switches,
IP 65
Position
indicator to
NAMUR
EN 50227
80 81 83 88
1 1/4 1.26 26.5 84515XX.0000.00000 0 - 232 0 - 232 0 - 232
0 - 232
1 1/2 1.57 47.0 84516XX.0000.00000 0 - 174 0 - 174 0 - 174
0 - 174
2 1.97 80.5 84517
XX.
0000.
00000
0 - 145 0 - 145 0 - 145 0 - 145
2 1/2 2.56 123.0 84518
XX.
0000.
00000
0 - 102 0 - 102 0 - 102 0 - 102
3 3.15 157.0 84519XX.0000.00000 0 - 73 0 - 73 0 - 73 0 - 73
Series 84510
2/2-way valves Orifice 0.6 to 2.0
