C
A
B
C
A
B
A
C
B
1
2
12
1
2
10
1
2
3
12
1
2
10
3
1
2
3
4
14
Series 21 Poppet Valves for Line Mounting
Single Solenoid Pilot Controlled
2/2 Valves
2/2 Normally Open (NO)2/2 Normally Closed (NC)
Port Type H Type O Avg. C
Valve Model Number
Dimensions inches (mm)
V
Weight
Size NC NO NC NO NC NO A B C lb (kg)
1/4 2171B2001 2172B2001 2171B2002 2172B2002 2.3 2.3 3.6 (90) 3.0 (76) 7.0 (178) 3.0 (1.4)
3/8 2171B3001 2172B3001 2171B3002 2172B3002 3.8 3.3 3.6 (90) 3.0 (76) 7.0 (178) 3.0 (1.4)
1/2 2171B4011 2172B4011 2171B4012 2172B4012 4.0 3.5 3.6 (90) 3.0 (76) 7.0 (178) 3.0 (1.4)
1/2 2171B4001 2172B4001 2171B4002 2172B4002 7.7 6.5 4.6 (116) 3.0 (76) 7.7 (196) 3.3 (1.5)
3/4 2171B5001 2172B5001 2171B5002 2172B5002 9.0 7.3 4.6 (116) 3.0 (76) 7.7 (196) 3.3 (1.5)
1 2171B6011 2172B6011 2171B6012 2172B6012 9.0 7.9 4.6 (116) 3.0 (76) 7.7 (196) 3.3 (1.5)
1 2171B6001 2172B6001 2171B6002 2172B6002 24 21 6.6 (168) 4.1 (104) 10.5 (266) 7.5 (3.4)
1¼ 2171B7001 2172B7001 2171B7002 2172B7002 29 20 6.6 (168) 4.1 (104) 10.5 (266) 7.5 (3.4)
1½ 2171B8011 2172B8011 2171B8012 2172B8012 29 21 6.6 (168) 4.1 (104) 10.5 (266) 7.5 (3.4)
3/2 Valves
3/2 Normally Open (NO)3/2 Normally Closed (NC)
Valve Model Number
Port Sizes Type H Type O Avg. C
In-Out Exh. NC NO NC NO NC NO A B C lb (kg)
1/4 1/2 2173B2001 2174B2001 2173B2002 2174B2002 2.8 2.5 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
3/8 1/2 2173B3001 2174B3001 2173B3002 2174B3002 4.0 3.0 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
1/2 1/2 2173B4011 2174B4011 2173B4012 2174B4012 3.8 3.0 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
1/2 1 2173B4001 2174B4001 2173B4002 2174B4002 7.8 7.2 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
3/4 1 2173B5001 2174B5001 2173B5002 2174B5002 9.4 7.2 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
1 1 2173B6011 2174B6011 2173B6012 2174B6012 10 7.2 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
1 1½ 2173B6001 2174B6001 2173B6002 2174B6002 29 21 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1¼ 1½ 2173B7001 2174B7001 2173B7002 2174B7002 31 22 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1½ 1½ 2173B8011 2174B8011 2173B8012 2174B8012 31 21 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
Dimensions inches (mm)
V
Weight
4/2 Valves
Port Sizes Valve Model Avg. Dimensions inches (mm) Weight
In-Out Exh. Number C
1/4 1/2 2176B2001 2176B2002 2.5 3.8 (97) 3.9 (99) 7.7 (196) 3.0 (1.4)
3/8 1/2 2176B3001 2176B3002 3.6 3.8 (97) 3.9 (99) 7.7 (196) 3.0 (1.4)
1/2 1/2 2176B4011 2176B4012 3.7 3.8 (97) 3.9 (99) 7.7 (196) 3.0 (1.4)
1/2 1 2176B4001 2176B4002 6.9 5.2 (132) 4.6 (104) 9.7 (246) 5.8 (2.6)
3/4 1 2176B5001 2176B5002 8.2 5.2 (132) 4.6 (104) 9.7 (246) 5.8 (2.6)
1 1 2176B6011 2176B6012 8.9 5.2 (132) 4.6 (104) 9.7 (246) 5.8 (2.6)
1 1½ 2176B6001 2176B6002 23 8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
1¼ 1½ 2176B7001 2176B7002 24 8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
1½ 1½ 2176B8011 2176B8012 25 8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
STANDARD SPECIFICATIONS: See page 7.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
8 © 2009, ROSS CONTROLS®.
V
All Rights Reserved.
A B C lb (kg)
B
A
C
B
A
C
1
2
12
1
2
10
1
2
3
12
1
2
10
3
B
A
C
Series 21 Poppet Valves for Line Mounting
Single Pressure Controlled
2/2 Valves
2/2 Normally Open (NO)
Weight
Valve Model Number
Port Type H Type O Avg. C
2/2 Normally Closed (NC)
Dimensions inches (mm)
V
Size NC NO NC NO NC NO A B C lb (kg)
1/4 2151B2001 2152B2001 2151B2002 2152B2002 2.3 2.3 3.6 (90) 3.7 (94) 3.0 (94) 1.8 (0.8)
3/8 2151B3001 2152B3001 2151B3002 2152B3002 3.8 3.3 3.6 (90) 3.7 (94) 3.0 (94) 1.8 (0.8)
1/2 2151B4011 2152B4011 2151B4012 2152B4012 4.0 3.5 3.6 (90) 3.7 (94) 3.0 (94)) 1.8 (0.8)
1/2 2151B4001 2152B4001 2151B4002 2152B4002 7.7 6.5 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
3/4 2151B5001 2152B5001 2151B5002 2152B5002 9.0 7.3 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1 2151B6011 2152B6011 2151B6012 2152B6012 9.0 7.9 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1 2151B6001 2152B6001 2151B6002 2152B6002 24 21 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
1¼ 2151B7001 2152B7001 2151B7002 2152B7002 29 20 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
1½ 2151B8011 2152B8011 2151B8012 2152B8012 29 21 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
3/2 Valves
3/2 Normally Closed (NC)
Valve Model Number
Port Sizes Type H Type O Avg. C
Dimensions inches (mm)
V
In-Out Exh. NC NO NC NO NC NO A B C lb (kg)
1/4 1/2 2153B2001 2154B2001 2153B2002 2154B2002 2.8 2.5 3.6 (90) 4.0 (101) 3.1 (79) 1.8 (0.8)
3/8 1/2 2153B3001 2154B3001 2153B3002 2154B3002 4.0 3.0 3.6 (90) 4.0 (101) 3.1 (79) 1.8 (0.8)
1/2 1/2 2153B4011 2154B4011 2153B4012 2154B4012 3.8 3.0 3.6 (90) 4.0 (101) 3.1 (79) 1.8 (0.8)
1/2 1 2153B4001 2154B4001 2153B4002 2154B4002 7.8 7.2 4.6 (116) 4.7 (120) 3.6 (91) 4.5 (2.0)
3/4 1 2153B5001 2154B5001 2153B5002 2154B5002 9.4 7.2 4.6 (116) 4.7 (120) 3.6 (91) 4.5 (2.0)
1 1 2153B6011 2154B6011 2153B6012 2154B6012 10 7.2 4.6 (116) 4.7 (120) 3.6 (91) 4.5 (2.0)
1 1½ 2153B6001 2154B6001 2153B6002 2154B6002 29 21 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
1¼ 1½ 2153B7001 2154B7001 2153B7002 2154B7002 31 22 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
1½ 1½ 2153B8011 2154B8011 2153B8012 2154B8012 31 21 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
3/2 Normally Open (NO)
Weight
4/2 Valves
Port Sizes Valve Model Avg. Dimensions inches (mm) Weight
In-Out Exh. Number C
V
A B C lb (kg)
1/4 1/2 2156B2001 2156B2002 2.5 3.8 (97) 7.7 (196) 3.9 (99) 3.0 (1.4)
3/8 1/2 2156B3001 2156B3002 3.6 3.8 (97) 7.7 (196) 3.9 (99) 3.0 (1.4)
1/2 1/2 2156B4011 2156B4012 3.7 3.8 (97) 7.7 (196) 3.9 (99) 3.0 (1.4)
1/2 1 2156B4001 2156B4002 6.9 5.2 (132) 9.7 (246) 4.6 (104) 5.8 (2.6)
3/4 1 2156B5001 2156B5002 8.2 5.2 (132) 9.7 (246) 4.6 (104) 5.8 (2.6)
1 1 2156B6011 2156B6012 8.9 5.2 (132) 9.7 (246) 4.6 (104) 5.8 (2.6)
1 1½ 2156B6001 2156B6002 23 8.2 (208) 11.1 (282) 6.5 (165) 12.0 (5.4)
1¼ 1½ 2156B7001 2156B7002 24 8.2 (208) 11.1 (282) 6.5 (165) 12.0 (5.4)
1½ 1½ 2156B8011 2156B8012 25 8.2 (208) 11.1 (282) 6.5 (165) 12.0 (5.4)
STANDARD SPECIFICATIONS: For valves on this page.
Ambient/Media Temperatures:
Type H: 0° to 300°F (-17° to 150°C).
Type O: -40° to 175°F (-40° to 80°C).
For temperatures below 40°F (4°C) air must be free of water vapor
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 30 to 150 psig (2 to 10 bar).
Pilot Pressure: Must be equal to or greater than inlet pressure.
Threads: Model numbers above specify NPT pressure port threads.
For other threads, consult ROSS.
to prevent formation of ice.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
www.rosscontrols.com 9
Series 21 Poppet Valves for Line Mounting
1
2
3
4
Y
12
14
A
B
C
4/2 Valves – Double Direct Solenoid Controlled, Detented
Port Sizes Valve Model Avg. Dimensions inches (mm) Weight
In-Out Exh. Number C
1/4 1/2 2176C2003 2.5 8.9 (226) 3.9 (97) 6.9 (176) 4.0 (1.8)
3/8 1/2 2176C3003 3.6 8.9 (226) 3.9 (97) 6.9 (176) 4.0 (1.8)
1/2 1/2 2176C4013 3.7 8.9 (226) 3.9 (97) 6.9 (176) 4.0 (1.8)
1/2 1 2176C4003 6.9 8.9 (226) 5.2 (132) 8.7 (221) 6.5 (3.0)
3/4 1 2176C5003 8.2 8.9 (226) 5.2 (132) 8.7 (221) 6.5 (3.0)
1 1 2176C6013 8.9 8.9 (226) 5.2 (132) 8.7 (221) 6.5 (3.0)
1 1½ 2176C6003 23 8.9 (226) 8.2 (208) 10.4 (265) 13.3 (6.0)
1¼ 1½ 2176C7003 24 8.9 (226) 8.2 (208) 10.4 (265) 13.3 (6.0)
1½ 1½ 2176C8013 25 8.9 (226) 8.2 (208) 10.4 (265) 13.3 (6.0)
A B C lb (kg)
V
STANDARD SPECIFICATIONS: For valves listed above.
Solenoids: AC or DC power.
Standard Voltages: Consult ROSS.
Power Consumption: Each solenoid; 190 VA inrush, 40 VA
holding on 50 or 60 Hz; 20 watts on DC.
Indicator Lights: In each solenoid housing.
Ambient Temperature: 40° to 120°F (4° to 50°C).
Media Temperature: 40° to 175°F (4° to 80°C).
For temperatures below 40°F (4°C) air must be free of water
vapor to prevent formation of ice.
What are Vacuum Service Valves?
Vacuum service valves are ideal for lifting, holding, vacuum
packaging and moving anything from large objects to tiny
particles. They also provide Vacuum service valves are ideal
for lifting, holding, vacuum packaging and moving anything from
large objects to tiny particles. They also provide an effective
means for leak testing. The vacuum source typically comes
from either a vacuum pump or a venturi. In vacuum service
applications, the pressure within the valve is reduced below
atmospheric pressure. Consequently, atmospheric pressure
actually pushes air into the valve, instead of the common belief
that air is “sucked” in by the vacuum.
In normal valves, filters exist to clean compressed air, which is
then pushed through the valve. In vacuum valves, there is no
filter, and the air comes from the atmosphere and enters through
the outlet, bringing with it atmospheric and nearby surface dust
and dirt. Vacuum valves, in order to function consistently, must
therefore be highly tolerant of the particles that freely flow into
the valves.
To construct a vacuum service valve system, typically a 3/2
normally closed valve is used. The vacuum is on the inlet, while
the exhaust remains open to atmosphere. Port 2 is the working
port. However, if there is a need for the vacuum service valve to
10 © 2009, ROSS CONTROLS®.
Flow Media: Filtered air; 5 micron recommended.
Inlet Pressure: 30 to 150 psig (2 to 10 bar).
Pilot Pressure: If external supply is used, pressure must
be equal to or greater than inlet pressure.
Threads: Model numbers above specify NPT pressure port
threads. For other threads, consult ROSS.
IMPORTANT NOTE
Please read carefully and thoroughly
all of the CAUTIONS on the inside back cover.
function as normally open, simply connect the vacuum source to
the exhaust and port 1 to atmosphere. Several variations of this
construction are effective, including using 2/2 valves.
“Full Vacuum” Valves
Though there are fewer applications for full vacuum valves
than regular vacuum valves, full vacuum valves are ideal for
applications where compressed air is unavailable. Full vacuum
valves use the difference in force between atmospheric pressure
and the vacuum within the valve to actuate the valve. The full
vacuum valve performs with atmospheric pressure in port 1 and
10 to 30 inches of Mercury vacuum in the valve body.
Remote Air or Solenoid-Piloted Vacuum Valves
Pilot vacuum valves provide a greater variety of applications,
operating with a combination of vacuum and atmospheric
pressure. The pilot must be supplied externally with a minimum
of 30 psig. Vacuum valves can be used as either 3/2 normally
closed or normally open valves, with vacuum supplied at either
port 1 or port 3. Normally closed and normally open 2/2 versions
are also available.
All Rights Reserved.
C
A
B
Series 21 Solenoid Pilot Controlled Vacuum Valves
C
A
B
2/2 Valves
EPS*
Normally Closed (NC)
EPS*
Normally Open (NO)
3/2 Valves
EPS*
Normally Closed (NC)
EPS*
Normally Open (NO)
3
(ATM.)
3
(PUMP)
2 (WORK)
1 (PUMP)
2 (WORK)
1 (ATM.)
Piping 2/2 Normally Closed or Normally Open Valves
Pipe the unit into the system by connecting the vacuum source or pump to the normal air pressure
inlet port (port 1). The normal outlet port is the work port (port 2).
Note: 2/2 vacuum valves provide only on/off control and do not have an exhaust function.
Port Valve Model Avg. Function Dimensions inches (mm) Weight
Size Number Cv A B C lb (kg)
1/4 2171B2901 2.1 NC 3.6 (91) 3.0 (76) 7.0 (178) 3.0 (1.4)
1/4 2171B2908 2.1 NC 3.6 (91) 3.0 (76) 7.0 (178) 3.0 (1.4)
2 (WORK)
3/8 2171B3906 2.6 NC 3.6 (91) 3.0 (76) 7.0 (178) 3.0 (1.4)
3/4 2171B5905 7.8 NC 4.6 (117) 3.0 (76) 7.7 (196) 3.3 (1.5)
1 2171B6904 8.3 NC 4.6 (117) 3.0 (76) 7.7 (196) 3.3 (1.5)
1 (PUMP)
1 2171B6916 20 NC 6.6 (168) 4.1 104) 10.5 (266) 7.5 (3.4)
1¼ 2171B7901 30 NC 6.6 (168) 4.1 104) 10.5 (266) 7.5 (3.4)
2 (WORK)
1½ 2171B8906 31 NC 6.6 (168) 4.1 (104) 10.5 (266) 7.5 (3.4)
1½ 2172B8900 21 NO 6.6 (168) 4.1 (104) 10.5 (266) 7.5 (3.4)
2 2171A9900 57 NC 8.7 (219) 5.2 (131) 11.8 (300) 15.5 (6.9)
1 (PUMP)
2 2172B9901 57 NO 8.7 (219) 5.2 (131) 11.8 (300) 15.5 (6.9)
2½ 2171B9901 64 NC 8.7 (219) 5.2 (131) 11.8 (300) 15.5 (6.9)
Piping 3/2 Normally Closed Valves
In this valve configuration, pipe the unit into the system by connecting the vacuum source or pump to the
normal air pressure inlet port (port 1). The normal outlet port is the work port (port 2), and the normal air
pressure exhaust port becomes the atmosphere port (port 3).
Piping 3/2 Normally Open Valves
To obtain a 3/2 normally open ROSS vacuum valve, simply pipe the 3/2 normally closed body slightly
differently. Connect the vacuum source or pump to port 3, the normal exhaust. Leave port 1 open to
atmosphere, and the normal outlet remains as the work port (port 2).
Port Size Valve Model Avg. Cv Function Dimensions inches (mm) Weight
In-Out Exh. Number In-Out Out-Exh. A B C lb (kg)
1/4 1/2
3/8 1/2
3/8 1/2
2173B2900
2173B3900
2174B3900
3/8 1/2 2173B3908 3.0 5.8 NO 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
1/2 1/2 2173B4901 3.0 5.2 NC 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
1/2 1 2173B4902 6.6 12 NC 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
1/2 1 2174A4912 6.5 7.0 NC 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
3/4 1 2173B5900 7.8 13 NC 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
3/4 1 2173B5903 7.5 7.5 NC 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
1 1 2173B6901 7.5 12 NC 4.6 (116) 4.6 (117) 8.0 (203) 3.3 (1.5)
1 1½ 2173B6902 24 40 NC
1
2174A6914 15 17 NO 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1½
1¼ 1½ 2173B7901 29 39 NC 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1¼ 1½ 2173B7917 29 39 NO 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1½ 1½ 2173A8911 30 38 NC 6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
1½ 2½ 2173A8915 68 70 NC
2 2½ 2173A9905 70 70 NC
2½ 2½ 2173A9906 70 71 NC
2.4 3.4 NC 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
3.0 5.8 NC 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
3.0 5.8 NC 3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
8.7 (219) 6.4 (161) 12.4 (313) 16.5 (7.4)
8.7 (219) 6.4 (161) 12.4 (313) 16.5 (7.4)
8.7 (219) 6.4 (161) 12.4 (313) 16.5 (7.4)
STANDARD SPECIFICATIONS: For valves on this page.
Solenoids: Rated for continuous duty.
Standard voltages: 100-110 volts 50 Hz; 100-120 volts 60 Hz; 24,
110 volts DC.
Power Consumption: 87 VA inrush, 30 VA holding on 50 or 60 Hz;
14 Watts on DC.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
12 © 2009, ROSS CONTROLS®.
Ambient Temperature: -40° to 120° F (-40° to 50° C). (For low
temperature valves; High temperature valves also available.)
Media Temperature: -40° to 175° F (-40° to 80° C).
Flow Media: Vacuum and/or filtered-compressed air.
Pressure: Vacuum to 150 psig.
*External Pilot Pressure: Equal or higher than inlet pressure, but
not less than 30 psig.
All Rights Reserved.
B
A
C
B
A
C
Series 21 Pressure Controlled Vacuum Valves
2/2 Valves
Normally Closed (NC)
Normally Open (NO)
2 (WORK)
1 (PUMP)
2 (WORK)
1 (PUMP)
Piping 2/2 Normally Closed Valves
Pipe the unit into the system by connecting the vacuum source or pump to the normal air pressure
inlet port (port 1). The normal outlet port is the work port (port 2).
Note: 2/2 vacuum valves provide only on/off control and do not have an exhaust function.
Port Valve Model Avg. Function Dimensions inches (mm) Weight
Size Number Cv A B C lb (kg)
1/4 2151A2901 2.1 NC 3.6 (90) 3.7 (94) 3.0 (94) 1.8 (0.8)
1/2 2151B4904 6.9 NC 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1/2 2151A4910 3.0 NC 3.6 (90) 3.7 (94) 3.0 (94) 1.8 (0.8)
3/4 2151A5913 7.8 NC 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
3/4 2151A5914 7.8 NC 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
3/4 2152A5901 7.0 NO 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1 2151B6900 8.3 NC 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1¼ 2151A7909 30 NC 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
1½ 2151B8900 31 NC 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
1½ 2152B7900 23 NO 6.6 (168) 7.5 (190) 4.1 (104) 11.0 (5.0)
3/2 Valves
In this valve configuration, pipe the unit into the system by connecting the vacuum source or
pump to the normal air pressure inlet port (port 1). The normal outlet port is the work port (port
2), and the normal air pressure exhaust port becomes the atmosphere port (port 3).
To obtain a 3/2 normally open ROSS vacuum valve, simply pipe the 3/2 normally closed body
slightly differently. Connect the vacuum source or pump to port 3, the normal exhaust. Leave
port 1 open to atmosphere, and the normal outlet remains as the work port (port 2).
2 (WORK)
Port Size Valve Model Avg. Cv Function Dimensions inches (mm) Weight
In-Out Exh. Number In-Out Out-Exh. A B C lb (kg)
1 (PUMP)
3
(ATM.)
Normally Closed (NC)
2 (WORK)
3
(ATM.)
Normally Open (NO)
1 (PUMP)
STANDARD SPECIFICATIONS: For valves on this page.
Media Temperature: -40° to 175° F (-40° to 80° C).
Flow Media: Vacuum and/or filtered-compressed air.
1/4 1/2 2153B2900 2.4 3.4 NC 3.6 (90) 4.0 (101) 3.1 (79) 1.8 (0.8)
1/2 1/2 2153B4903 3.0 5.2 NC 3.6 (90) 4.0 (101) 3.1 (79) 1.8 (0.8)
3/4 1 2153B5903 7.8 13 NC 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1 1½ 2153C6905 24 40 NC 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
1 1 2153A6906 7.4 12 NO 4.6 (116) 4.4 (112) 3.0 (94) 4.5 (2.0)
1¼ 1½ 2153A7906 29 39 NC 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
1½ 1½ 2153B8900 30 38 NC 6.6 (168) 7.5 (190) 4.8 (123) 11.0 (5.0)
2½ 2½ 2153A9902 70 71 NC 8.7 (219) 6.4 (161) 9.5 (241) 15.3 (6.9)
2 2½ 2154A9900 58 61 NC 8.7 (219) 6.4 (161) 9.5 (241) 15.3 (6.9)
Piping 3/2 Normally Closed Valves
Piping 3/2 Normally Open Valves
Pressure: Vacuum to 150 psig.
Signal Pressure: Equal or higher than inlet pressure, but not less
than 30 psig.
STANDARD SPECIFICATIONS: For full vacuum valves on
page 14.
Solenoids: Rated for continuous duty.
Standard voltages 100-110 volts 50 Hz; 100-120 volts 60 Hz; 24,
110 volts DC.
Power Consumption: 87 VA inrush, 30 VA holding on 50 or 60
Hz; 14 Watts on DC.
Ambient Temperature: -40° to 120° F (-40° to 50° C). (For low
temperature valves; High temperature valves also available.)
Media Temperature: -40° to 175° F (-40° to 80° C).
Flow Media: Vacuum and/or filtered-compressed air.
Pressure: Vacuum to 150 psig.
*External Pilot Pressure: Equal or higher than inlet pressure, but
not less than 30 psig.
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
www.rosscontrols.com 13
Series 21 Solenoid Pilot Controlled Full Vacuum Valves
C
A
B
A
C
B
1
2
3
12
1
2
10
3
A
C
B
1
2
3
4
14
B
C
A
B
C
A
Full Vacuum — 3-Way Normally Closed
This valve functions as a normally open valve. Pipe
the unit into the system by connecting the vacuum
source or pump to port 3, the normal exhaust. Leave
port 1 open to atmosphere, and the normal outlet
remains as the work port (port 2).
Normally Closed (NC)
Normally Open (NO)
Port Size Valve Model Avg. Cv Function Dimensions inches (mm) Weight
In-Out Exh. Number In-Out Out-Exh. A B C lb (kg)
1/2 1/2 2173B4914 3.0 5.2 NC
1/2 1/2 2174B4900 2.9 2.8 NC
1¼ 1½ 2173B7904 29 39 NC
1¼ 1½ 2174A7903 21 23 NO
Full Vacuum — 3-Way Normally Open
This valve functions as a normally closed valve. Pipe
the unit into the system by connecting the vacuum
source or pump to port 3, the normal exhaust. Leave
port 1 open to atmosphere, and the normal outlet
remains as the work port (port 2).
3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
3.6 (90) 3.6 (90) 7.3 (186) 3.0 (1.4)
6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
6.6 (168) 6.6 (168) 10.5 (266) 7.5 (3.4)
Series 16 Compact Poppet Valves, Line or Manifold Mounting
With Direct Acting Solenoid Control
Series 16 valves are direct acting solenoid valves of small size and high reliability. They are suitable for use either with or without air
line lubrication. Valves are available for 1/8 and 1/4 port sizes in three valve types: 3/2 normally open or closed and 4/2. Models are
available for either inline mounting or manifold mounting.
3/2 Valves – Single Direct Solenoid
3/2 Normally Closed (NC)
Port Valve Valve Model Numbers Avg. Dimensions inches (mm) Weight
Size Type NC NO C
For Line Mounting
1/8 Y 1613B1020 1614B1020 0.3 2.7 (69) 3.8 (95) 3.0 (77) 1.4 (0.6)
1/4 Y 1613B2020 1614B2020 0.3 2.7 (69) 3.8 (95) 3.0 (77) 1.4 (0.6)
For Manifold Mounting
1/4 Z 1613C2322* 1614B2322* 0.3 2.7 (69) 6.6 (168) 4.2 (107) 1.4 (0.6)
*Also order manifold 256B91 (not included with this valve).
A B C lb (kg)
V
4/2 Valves – Single Solenoid Pilot Controlled
Port Valve Valve Model Avg. Dimensions inches (mm) Weight
Size Type Number C
For Line Mounting
1/4 Y 1616C2020 0.4 2.7 (69) 4.8 (121) 6.6 (168) 2.4 (1.1)
For Manifold Mounting
A B C lb (kg)
V
4/2
3/2 Normally Open (NO)
Z
Y
Z
Y
1/4 Z 1616C2322* 0.4 2.7 (69) 6.6 (168) 4.2 (107) 2.4 (1.1)
*Also order manifold 257B91 (not included with this valve).
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.
14 © 2009, ROSS CONTROLS®.
All Rights Reserved.
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