Brochure

Table Of Contents
Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
368
Industrial Refrigeration Products: Pressure Regulators
Electronic Pilot Operated Regulators, 20-100mm (¾" - 4")
Type A4J electronic pilot operated regulators utilize a
Landis & Staefa M2FP03GX direct operated proportional
solenoid as a pilot valve to modulate the flow of pilot
pressure to the top of the regulator's piston. The positioning
of the electronic pilot actuator is proportional to the input
A4J
Dimensions
signal supplied to the electronic valve. Two separate control
modules are available which respond to the supply signal
from an external controller which senses the medium being
cooled.
Type A4J is not available in 125-200mm (5" - 8") sizes.
F
ODS
Flange
Weld Neck
Flange
E
C
B
A
D
G
A4 Adaptomode
®
Series
Electronic Accessories
For use with J” variation regulators
Controllers Part #
4-20 mA .............................105624
0-18 VDC ........................... 105625
Transformer Part #
240/24 ................................ 301787
120/24 ................................ 301788
OVERALL VALVE DIMENSIONS
Port Size 20mm & 25mm 32mm 40mm & 50mm 65mm 75mm 100mm
(3/4" & 1") (1-1/4") (1-5/8" & 2") (2-1/2") (3") (4")
DIMENSION mm inches mm inches mm inches mm inches mm inches mm inches
A 432 17.0 450 17.7 503 19.8 523 20.6 635 25.0 693 27.3
B 148 5.8 162 6.3 177 6.9 181 7.1 273 10.7 292 11.5
C 164 6.2 203 8.0 251 9.9 252 9.9 311 12.2 359 14.1
G 259 10.2 284 1132 325 12.8 343 13.5 366 14.4 401 15.6
H 117 4.6 117 4.6 140 5.5 159 6.2 176 7.0 222 8.8
OVERALL LENGTH DIMENSIONS WITH FLANGES
FPT & SW 3/4" 216 8.5 1-1/4" 256 10.1 1-1/2" 307 12.1
D* FOR PIPE 1" 216 8.5 1-1/2" 256 10.1 2" 307 12.1 2-1/2" 331 13.0 3" 389 15.3 4" 450 17.7
SIZES 1-1/4" 216 8.5
WN FOR 3/4" 254 10.0 1-1/4" 300 11.8 1-1/2" 364 14.3
E* FOR PIPE 1" 261 10.3 1-1/2" 304 12.0 2" 371 14.6 2-1/2" 401 15.8 3" 478 18.8 4" 571 22.5
SIZES 1-1/4" 261 10.3
ODS FOR 7/8" 239 9.4 1-3/8" 269 10.6 1-5/8" 358 14.1 2-5/8" 348 13.7 3-1/8" 414 16.3
F* TUBE 1-1/8" 239 9.4 1-5/8" 279 11.0 2-1/8" 338 13.3
4-1/8" 503 19.8
SIZES 1-3/8" 231 9.1 2-1/8" 305 12.0 2-5/8" 358 14.1 3-1/8" 389 15.3 3-5/8" 432 17.0
1-5/8" 239 9.4
Technical Information