![H500S Piston intake valve stainless steel 4" Storz lock inlet x 5" NH female swivel rocker lug outlet w/ 250-S RV](http://contfire.com/cdn/shop/products/H500S2014_fe6f013a-aeda-4c63-84cb-82aa2d675f2d_{width}x.png?v=1611334297)
H500S-40-50NH
Traditional piston intake valve design used for pumper intake control. Provides the following features: a 30 degree integrated elbow, a field adjustable pressure relief valve and an air bleeder valve. There is a stainless steel piston, sleeve and spindle for added corrosion protection. Choose from a variety of sizes of Storz or NH connections.