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Ross Controls LOW TEMPERATURE SERIES 21 User Manual

Series 21 poppet valves for line mounting, Single solenoid pilot controlled

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8

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®

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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.