Ross Controls SENSING VALVES SERIES SV27 User Manual
Series SV27 Sensing Valves
New Product
Information
Solenoid Pilot Controlled
2/2 3/2
Pressure Controlled
2/2 & 3/2 Normally Closed
with Position & State Sensing Feedback
for Category 2 Safety Applications
Air Dump/Release
3/2 Sensing Valve
(solenoid model shown)
2/2 3/2
Schematics shown for 3/4 and 1¼ bodies.*
STANDARD SPECIFICATIONS:
Pilot Solenoid: Rated for continuous duty.
Standard Voltages: 100–110 volts 50 Hz;
100–120 volts 60 Hz; 24, 110 volts DC.
Other voltages available.
Power Consumption: 87 VA inrush, 30 VA holding
on 50 or 60 Hz; 14 watts on DC.
Ambient Temperature: 40° to 120°F (4° to 50°C).
Media Temperature: 40° to 175°F (4° to 80°C).
Flow Media: Filtered air.
Inlet Pressure: 40 to 150 psig (2.8 to 10 bar).
Pilot Pressure: Equal to or greater than inlet
pressure.
Switch Current/Voltage Max.: 2.5 A/120 volts AC.
Switch Current/Voltage Min.: 50 mA/24 volts DC.
NOTE: Electrical life of switch varies with conditions
and voltage; rated in excess of 15 million cycles.
EN 954-1, ISO 13849-1,
& AS4024-1
(3/4 bodies only,
other sizes approval pending)
GENERAL:
ROSS’ new Series SV27 Sensing Valves, based upon the proven
Ser
ies 27 valve family, combine the tough, dirt tolerant characteristics
of poppet technology with sensing for actual internal position and state.
Electrical feedback is provided via a positively-driven, safety-rated
DPST (Double-Pole Single-Throw) switch with both normally open
(NO) and normally closed (NC) contacts. *For 3/4 and 1¼ bodies, the
DPST switch is actuated whenever the valve is not in the normal home
position. For size 2 body, the DPST switch is only actuated whenever
the valve IS in the normal home position.
An optional visual pressure indicator (988A30) or pressure switch
kit (608A86) can be installed into the 1/8 NPT pressure verifi cation
port (PV) for verifi cation of pressure release.
FEATURES:
• Solenoid pilot and pressure controlled versions
• Senses poppet position & state
• Electrical feedback via DPST switch (Double-Pole Single-Throw)
• Directly operated safety-rated force-guided status switch (DPST)
• Positive-break on 3/4 and 1¼ body valves
• Poppet construction for near zero leakage & high dirt tolerance
• Applications include Air Dump and Trapped-Pressure Release
www.rosscontrols.com
Model Numbers* Valve Port Size C
SV27NC305407PSAA1A** 3/2 1/2 1 6.3 9.2 5.7 (145) 9.6 (244) 3.1 (77) 4.5 (2.0)
Function
Solenoid Pilot Controlled Models
v
Dimensions inches (mm)
1, 2 3 1 - 2 2 - 3 A B C lb (kg)
Weight
SV27NC305507PSAA1A** 3/2 3/4 1 7.7 11 5.7 (145) 9.6 (244) 3.1 (77) 4.5 (2.0)
SV27NC305607PSAA1A** 3/2 1 1 8.0 12 5.7 (145) 9.6 (244) 3.1 (77) 4.5 (2.0)
SV27NC105407PSAA1A** 2/2 1/2 – 7.7 N/A 5.7 (145) 9.3 (235) 3.1 (77) 4.6 (2.1)
SV27NC105507PSAA1A** 2/2 3/4 – 9.0 N/A 5.7 (145) 9.3 (235) 3.1 (77) 4.6 (2.1)
SV27NC105607PSAA1A** 2/2 1 – 9.0 N/A 5.7 (145) 9.3 (235) 3.1 (77) 4.6 (2.1)
SV27NC307607PSAA1A** 3/2 1 1½ 23 34 6.8 (173) 12.0 (303) 4.9 (123) 7.8 (3.5)
SV27NC307707PSAA1A** 3/2 1¼ 1½ 30 32 6.8 (173) 12.0 (303) 4.9 (123) 7.8 (3.5)
SV27NC307807PSAA1A** 3/2 1½ 1½ 30 31 6.8 (173) 12.0 (303) 4.9 (123) 7.8 (3.5)
SV27NC107607PSAA1A** 2/2 1 – 24 N/A 6.8 (173) 12.0 (303) 4.9 (123) 8.1 (3.7)
SV27NC107707PSAA1A** 2/2 1¼ – 29 N/A 6.8 (173) 12.0 (303) 4.9 (123) 8.1 (3.7)
SV27NC107807PSAA1A** 2/2 1½ – 29 N/A 6.8 (173) 12.0 (303) 4.9 (123) 8.1 (3.7)
Pressure Controlled Models
SV27NC305405ASAA 3/2 1/2 1 6.3 9.2 5.7 (145) 6.4 (163) 3.6 (91) 3.3 (1.5)
SV27NC305505ASAA 3/2 3/4 1 7.7 11 5.7 (145) 6.4 (163) 3.6 (91) 3.3 (1.5)
SV27NC305605ASAA 3/2 1 1 8.0 12 5.7 (145) 6.4 (163) 3.6 (91) 3.3 (1.5)
SV27NC105405ASAA 2/2 1/2 – 7.7 N/A 5.7 (145) 6.1 (155) 3.1 (79) 3.4 (1.6)
SV27NC105505ASAA 2/2 3/4 – 9.0 N/A 5.7 (145) 6.1 (155) 3.1 (79) 3.4 (1.6)
SV27NC105605ASAA 2/2 1 – 9.0 N/A 5.7 (145) 6.1 (155) 3.1 (79) 3.4 (1.6)
SV27NC307605ASAA 3/2 1 1½ 23 34 6.8 (173) 8.8 (222) 4.9 (123) 6.4 (2.9)
SV27NC307705ASAA 3/2 1¼ 1½ 30 32 6.8 (173) 8.8 (222) 4.9 (123) 6.4 (2.9)
SV27NC307805ASAA 3/2 1½ 1½ 30 31 6.8 (173) 8.8 (222) 4.9 (123) 6.4 (2.9)
SV27NC107605ASAA 2/2 1 – 24 N/A 6.8 (173) 8.7 (220) 4.1 (105) 6.7 (3.0)
SV27NC107705ASAA 2/2 1¼ – 29 N/A 6.8 (173) 8.7 (220) 4.1 (105) 6.7 (3.0)
SV27NC107805ASAA 2/2 1½ – 29 N/A 6.8 (173) 8.7 (220) 4.1 (105) 6.7 (3.0)
*NPT port threads. For BSPP threads, replace “N” in the model number with a “D”.
** “1A”=120 volts 60 Hz, solenoids. For 240 volts 60 Hz, change “1A” to “2A”; for 24 volts 60 Hz, change to “3A” ; for 24 volts DC, change to “1D”.
Port PV
(pressure
verification)
B
Port PV
(pressure
verification)
B
3/2 Solenoid Pilot Controlled Model
3-pin Mini
connector
Por t Y-3
(pilot exhaust)
5-pin M12
connector
2X O 0.34 (8.0)
Port 3 (exhaust)
Port 1(inlet)
[Port 2 (outlet
A
on opposite site]
C
3/2 Pressure Controlled Model
1/4 Signal Port
5-pin M12
connector
2X O 0.34 (8.0)
Port 3 (exhaust)
1/4 Signal Port
Port X-1
(1/8 external
pilot supply)
Port PV
(pressure
verification)
B
Port PV
(pressure
verification)
2/2 Solenoid Pilot Controlled Model
3-pin Mini
connector
Por t Y-3
(pilot exhaust)
2X O 0.34 (8.0)
5-pin M12
connector
Port 1(inlet)
[Port 2 (outlet
on opposite site]
2/2 Pressure Controlled Models
1/4 Signal Port
5-pin M12
connector
2X O 0.34 (8.0)
1/4 Signal Port
Port X-1
(1/8 external
pilot supply)
Port 1(inlet)
[Port 2 (outlet
A
on opposite site]
C
2 ROSS CONTROLS
Port 1(inlet)
[Port 2 (outlet
on opposite site]
®
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