Rated at 150 psi with non-shock service at 73°F.
Gravity ball check may be converted for air or gas venting by replacement of standard ball with natural polypropylene floater ball. Then install valve upside down for fluid to lift ball into seat.
For foot valve, replace inlet end connection with a foot valve screen housing assembly.
Free oscillation of ball in guide ribs facilitates full port flow with minimum turbulence and chatter.
Equally effective in checking back flows from head pressure on the discharge or suction sides of pump.