Design Features

• Unrestricted Full Port Seatless Design
  Maximum Flow Area
  Minimum Pressure Drop
• Elimination of Metal to Metal Rotating Parts
  No pins to wear
  No seats to wear
  No spring to break
• Non Slam Quick Closure Feature
  Minimum travel of valve plates from full open to full closed position reduces closing time
  Elimination of spring restricts "slamming" action
• Tight Shutoff Feature
  Flexible elastomer provides perfect seal
  Seals tightly at extremely low back pressures
• Can Be Mounted in Almost Any Position

Valve
Size

"A"

"B"

"C"

"D"

"E"

"F"

Valve
Size

"A"

"B"

"C"

"D"

"E"

"F"

3

5

7-1/2

3/4

4

4

4-3/4

18

9-3/8

22-3/4

4-1/4

5/8

16

22-3/4

4

5-1/2

9

3/4

8

8

5-1/2

20

10-3/8

25

4-3/4

5/8

20

25

5

6

10

7/8

8

8

6

24

12-3/8

29-1/2

5-3/4

11/16

20

29-1/2

6

7

11

7/8

8

8

7-1/2

30

15-3/8

36

7-3/4

11/16

28

36

8

9

13-1/2

7/8

8

8

8-1/2

36

18-3/8

42-3/4

8-1/2

13/16

32

42-3/4

10

11

16

1

12

8

9-1/2

42

21-3/8

49-1/2

9-1/2

13/16

36

49-1/2

12

13

19

1

12

8

11-3/4

48

24-3/8

56

11-1/2

13/16

44

56