Model 36A
for use w/ IPS pipe.

(Note: model 36B
for O.D. pipe)

Designed to prevent backflow in irrigation and water control lines.     

Cast aluminum body combines lightweight strength 
and corrosions resistance.               

Resilient seal ensures positive leak-resistant seal.              

Compression coupling style mounting for ease of installation.               

Brass hinge pin with nylon bushings and stainless steel spring
ensures lasting performance.              

Swing arm design guarantees unrestricted full flow.               

Precision machined seat creates accurate closure.