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Ductile Iron Check Valve
with stabilizer &
break off plug
for VFD systems

with stab break off.png

•     Bronze stemmed poppet
•    1/2" Break-off plug standard
•    3/8" Break-off plug optional

Part No.

8RD Thread

Size

Weight lbs

691SB 
692SB
693SB
694SB
695SB
696SB

-
-8RD
-
-8RD
-8RD
-8RD

2 1/2
3
3*
4
5
6

15.4
12.5
13.5
25.9
36.9
49.3

* High Flow Design

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