Ambient/Media Temperature
4° to 80°C.
Flow Media Filtered air. 5 micron recommended.
Inlet Pressure G 1/4 to G 1-1/2 Port Sizes: 1 to 10 bar.
G 1-1/2 to G 2-1/2 Port Sizes: 2 to 10 bar.
Pilot Pressure Must be equal to or greater than inlet pressure.
Threads BSPP (for NPT threads, consult ROSS)
DIMENSIONS mm
Port Size A B C D E F G H
G 1/4 to G 1/2 90 94 77 101 79 99 101 99
G 1/2 to G 1 116 112 77 120 91 117 147 134
G 1 to G 1-1/2 168 188 104 188 123 165 190 211
G 1-1/2 to G 2-1/2 329 231 130 240 161 165 198 208

2/2 Valves

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Port Size Valve Model Numbers Average Cv Weight lb. (kg)
Normally Closed Normally Open N.C N.O.
G 1/4 2.3 2.3 1.3 (0.6)
G 3/8 2752A3001 3.8 3.3
G 1/2 4.0 3.5
G 1/2 7.7 6.5 2.0 (0.9)
G 3/4 9.0 7.3
G 1 9.0 7.9
G 1 24 21 8.0 (3.6)
G 1-1/4 29 20
G 1-1/2 29 21
G 1-1/2 49 49 14.3 (6.4)
G 2 57 57
G 2-1/2 64 72

3/2 Valves

ROSS THAILAND Series 27 Remote Air Pilot Inline 3/2 Valves
ROSS THAILAND Series 27 Remote Air Pilot Inline 3/2 Valves Distributor
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Port Sizes Valve Model Numbers
Average kv
 Weight lb. (kg)
In-Out Exh. Normally Closed Normally Open N.C. N.O.
G 1/4 G 1/2 2753A2001 2754A2001 2.8 2.5 1.3 (0.6)
G 3/8 G 1/2 2753A3001 2754A3001 4.0 3.0
G 1/2 G 1/2 2753A4011 2754A4011 3.8 3.0
G 1/2 G 1 2753A4001 2754A4001 7.8 7.2 2.0 (0.9)
G 3/4 G 1 2753A5001 2754A5001 9.4 7.2
G 1 G 1 2753A6011 2754A6011 10 7.2
G 1 G 1-1/2 2753A6001 2754A6001 29 21 6.0 (2.7)
G 1-1/4 G 1-1/2 2753A7001 2754A7001 31 22
G 1-1/2 G 1-1/2 2753A8011 2754A8011 31 21
G 1-1/2 G 2-1/2 2753A8001 2754A8001 69 58 15.3 (6.9)
G 2 G 2-1/2 2753A9001 2754A9001 70 60
G 2-1/2 G 2-1/2 2753A9011 2754A9011 71 55

4/2 Valves

ROSS THAILAND Series 27 Remote Air Pilot Inline 4/2 Valves Distributor
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Port Sizes Valve Model Numbers Average Cv Weight lb. (kg)
In-Out Exh.
G 1/4 G 1/2 2.5 1.8 (0.8)
G 3/8 G 1/2 3.6
G 1/2 G 1/2 3.7
G 1/2 G 1 6.9 4.3 (1.9)
G 3/4 G 1 8.2
G 1 G 1 8.9
G 1 G 1-1/2 23 10.3 (4.6)
G 1-1/4 G 1-1/2 24
G 1-1/2 G 1-1/2 25

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