Ross Controls LOW TEMPERATURE SERIES 21 User Manual
Series 21 poppet valves for line mounting, Single solenoid pilot controlled
8
© 2009, ROSS CONTROLS
®
.
All Rights Reserved.
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
2/2 Normally Open (NO)
2/2 Normally Closed (NC)
3/2 Normally Open (NO)
3/2 Normally Closed (NC)
Port Sizes
Valve Model
Avg.
Dimensions inches (mm)
Weight
In-Out Exh.
Number
C
V
A
B
C
lb (kg)
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
11/2 2176B6001 2176B6002
23 8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
11/4 11/2 2176B7001 2176B7002
24
8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
11/2 11/2 2176B8011 2176B8012
25
8.2 (208) 6.5 (165) 11.1 (282) 12.0 (5.4)
4/2 Valves
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
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)
11/4
2171B7001 2172B7001
2171B7002 2172B7002
29
20
6.6 (168) 4.1 (104) 10.5 (266)
7.5 (3.4)
11/2
2171B8011 2172B8011
2171B8012 2172B8012
29
21
6.6 (168) 4.1 (104) 10.5 (266)
7.5 (3.4)
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
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
11/2
2173B6001 2174B6001
2173B6002 2174B6002
29
21
6.6 (168) 6.6 (168) 10.5 (266)
7.5 (3.4)
11/4
11/2
2173B7001 2174B7001
2173B7002 2174B7002
31
22
6.6 (168) 6.6 (168) 10.5 (266)
7.5 (3.4)
11/2
11/2
2173B8011 2174B8011
2173B8012 2174B8012
31
21
6.6 (168) 6.6 (168) 10.5 (266)
7.5 (3.4)
STANDARD SPECIFICATIONS: See page 7.
Single Solenoid Pilot Controlled
Series 21 Poppet Valves for Line Mounting
IMPORTANT NOTE: Please read carefully and thoroughly all of the CAUTIONS on the inside back cover.