Sensing valves redundant po check – Ross Controls REDUNDANT 2_2 WAY WITH SENSING SERIES 27 User Manual
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Solenoid Pilot Controlled Models (CNOMO Style)
Model Numbers*
Port Size
C
v
Dimensions
inches (mm)
Weight
1, 2
1 - 2
A
B
C
lb (kg)
SV27NC555408CSAA1A**
1/2
3.8
8.3 (211)
13.2 (335)
3.3 (84)
10.0 (4.5)
SV27NC555508CSAA1A**
3/4
5.6
8.3 (211)
13.2 (335)
3.3 (84)
10.0 (4.5)
SV27NC555608CSAA1A**
1
8
8.3 (211)
13.2 (335)
3.3 (84)
10.0 (4.5)
Pressure Controlled Models
SV27NC555405ASAA
1/2
3.8
8.3 (211)
8.5 (214)
3.3 (84)
9.0 (4.1)
SV27NC555505ASAA
3/4
5.6
8.3 (211)
8.5 (214)
3.3 (84)
9.0 (4.1)
SV27NC555605ASAA
1
8
8.3 (211)
8.5 (214)
3.3 (84)
9.0 (4.1)
*NPT port threads. For BSPP threads, replace “N” in the model number with a “D”, e.g. SV27DC555408CSAA1A.
** “1A”=120 volts 60 Hz solenoids. For 24 volts DC change “1A” to “1D”.
Pressure Controlled Model
B
C
A
Port PV
(pressure
verification)
1/4 Signal port
1/4 Signal port
4X O 0.26 (6.7)
Port 1
(inlet)
5-pin M12
connector
Port 2
(outlet)
A
B
C
Port PV
(pressure
verification)
4X O 0.26 (6.7)
Port 2
(outlet)
Port 1
(inlet)
Port X-1
(1/8 external
pilot supply)
5-pin M12
connector
Solenoid Pilot
Controlled
Model (CNOMO Style)
Sensing Valves Redundant PO Check
A
C
Port PV
(pressure
verification)
4X O 0.53 (13.5)
B
Port Y-3
(pilot exhaust)
3-pin
Mini
connector
3-pin
Mini
connector
5-pin M12
connector
Port 1
(inlet)
Port X-1
(1/8 external
pilot supply)
Port X-1
(1/8 external
pilot supply)
Port 2
(outlet)
B
C
A
Port PV
(pressure
verification)
1/4 Signal port
1/4 Signal port
4X O 0.53 (13.5)
Port 2
(outlet)
Port 1
(inlet)
5-pin M12
connector
Pressure Controlled Model
Solenoid Pilot Controlled Model (Pacer Style)
Solenoid Pilot Controlled Models (Pacer Style)
Model Numbers*
Port Size
C
v
Dimensions
inches (mm)
Weight
1, 2
1 - 2
A
B
C
lb (kg)
SV27NC557608CSAA1A**
1
12
10.5 (267)
18.1 (459)
3.9 (99)
25.0 (11.3)
SV27NC557708CSAA1A**
1-1/4
19
10.5 (267)
18.1 (459)
3.9 (99)
25.0 (11.3)
SV27NC557808CSAA1A**
1-1/2
22
10.5 (267)
18.1 (459)
3.9 (99)
25.0 (11.3)
Pressure Controlled Models
SV27NC557605ASAA
1
12
10.5 (267)
11.7 (296)
3.5 (88)
22.0 (10.0)
SV27NC557705ASAA
1-1/4
19
10.5 (267)
11.7 (296)
3.5 (88)
22.0 (10.0)
SV27NC557805ASAA
1-1/2
22
10.5 (267)
11.7 (296)
3.5 (88)
22.0 (10.0)
*NPT port threads. For BSPP threads, replace “N” in the model number with a “D”, e.g. SV27DC557608CSAA1A.
** “1A”=120 volts 60 Hz solenoids. For 24 volts DC change “1A” to “1D”.
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