Port Size

Body Size

Normally Closed

Normally Open

CV

Average Response Constants**

Weight lb (kg)

M

F

1, 2

3

Valve Model Number*

Valve Model Number*

NC

NO

NC

NO

NPT Threads

G Threads

NPT Threads

G Threads

1-2

2-3

1-2

2-3

1-2

2-3

1-2

2-3

1/4

1/2

3/8

2773B2001W

D2773B2001W

2774B2001W

D2774B2001W

2.5

3.1

2.3

2.7

10

0.9

0.8

0.99

0.88

2.5 (1.2)

3/8

1/2

3/8

2773B3001W

D2773B3001W

2774B3001W

D2774B3001W

3.6

5.3

2.8

3.2

10

0.7

0.5

0.9

0.77

2.5 (1.2)

1/2

1/2

3/8

2773B4011W

D2773B4011W

2774B4011W

D2774B4011W

3.3

5.3

2.8

3.2

10

0.75

0.5

0.9

0.76

2.5 (1.2)

1/2

1

3/4

2773B4001W

D2773B4001W

2774B4001W

D2774B4001W

6.3

9.2

6.3

8

11

0.43

0.27

0.46

0.6

3.3 (1.5)

3/4

1

3/4

2773B5001W

D2773B5001W

2774B5001W

D2774B5001W

7.7

11

6.9

7.4

11

0.36

0.26

0.45

0.6

3.3 (1.5)

1

1

3/4

2773B6011W

D2773B6011W

2774B6011W

D2774B6011W

8

12

6.8

7.5

11

0.34

0.25

0.4

0.59

3.3 (1.5)

1

1?

1?

2773B6001W

D2773B6001W

2774B6001W

D2774B6001W

23

34

17

24

28

0.17

0.14

0.2

0.17

7.0 (3.2)

1?

1?

1?

2773B7001W

D2773B7001W

2774B7001W

D2774B7001W

30

32

19

24

28

0.15

0.15

0.19

0.17

7.0 (3.2)

1?

1?

1?

2773B8011W

D2773B8011W

2774B8011W

D2774B8011W

30

31

19

23

28

0.15

0.15

0.19

0.16

7.0 (3.2)

1?

2?

2

2773B8001W

D2773B8001W

2774B8001W

D2774B8001W

68

70

57

59

76

0.05

0.04

0.07

0.04

16.5 (7.4)

2?

2?

2

2773B9001W

D2773B9001W

2774B9001W

D2774B9001W

70

70

58

61

76

0.05

0.04

0.05

0.04

16.5 (7.4)

2?

2?

2

2773B9011W

D2773B9011W

2774B9011W

D2774B9011W

70

71

54

55

76

0.05

0.04

0.5

0.04

16.5 (7.4)

# Voltage: W=24 VDC;  Z=110-120 VAC, 50/60 Hz, e.g., 2773B2001Z. For other voltages, consult ROSS.            
** Valve Response Time  – Response Time (msec) = M + (F ? V).  This is the average time required to fill a volume V (cubic inches) to 90% of supply pressure or to exhaust it to 10% of supply pressure.  M and F values are shown above.