User guide

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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)
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)
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 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)
4/2 Valves
B
A
C





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
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.