Series 21 poppet valves for line mounting, 2/2 valves 3/2 valves, 4/2 valves – Ross Controls LOW TEMPERATURE SERIES 21 User Manual
Page 2: Single pressure controlled
www.rosscontrols.com
9
STANDARD SPECIFICATIONS: See page 7.
B
A
C
B
A
C
1
2
12
2/2 Normally Closed (NC)
1
2
10
2/2 Normally Open (NO)
1
2
3
12
3/2 Normally Closed (NC)
1
2
10
3
3/2 Normally Open (NO)
2/2 Valves
3/2 Valves
Valve Model Number
Port
Type H
Type O
Avg. C
V
Dimensions inches (mm)
Weight
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)
11/4
2151B7001 2152B7001
2151B7002
2152B7002
29
20
6.6 (168) 7.5 (190)
4.1 (104)
11.0 (5.0)
11/2
2151B8011 2152B8011
2151B8012
2152B8012
29
21
6.6 (168) 7.5 (190)
4.1 (104)
11.0 (5.0)
Valve Model Number
Port Sizes
Type H
Type O
Avg. C
V
Dimensions inches (mm)
Weight
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
11/2
2153B6001 2154B6001
2153B6002 2154B6002
29
21
6.6 (168) 7.5 (190) 4.8 (123)
11.0 (5.0)
11/4
11/2
2153B7001 2154B7001
2153B7002 2154B7002
31
22
6.6 (168) 7.5 (190) 4.8 (123)
11.0 (5.0)
11/2
11/2
2153B8011 2154B8011
2153B8012 2154B8012
31
21
6.6 (168) 7.5 (190) 4.8 (123)
11.0 (5.0)
4/2 Valves
B
A
C
1
2
14
3
4
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
11/2 2156B6001 2156B6002
23 8.2 (208) 11.1 (282) 6.5 (165) 12.0 (5.4)
11/4 11/2 2156B7001 2156B7002
24
8.2 (208) 11.1 (282) 6.5 (165) 12.0 (5.4)
11/2 11/2 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
to prevent formation of ice.
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.
Single Pressure Controlled
Series 21 Poppet Valves for Line Mounting
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.