Patent ID: 8584700
Filing Date: 2013-11-19
Classification: F16K,Y10T

Abstract:
1. A discharge valve, comprising: a tubular, valve seat; a unitary valve guide being disposed above said valve seat, said valve guide including: a unitary piston being disposed between said valve seat and said valve guide, said piston including: a compressed spring being disposed between said plug and said head portion for normally retaining said head portion in engagement with said valve seat, the top of said spring being disposed in said first circular recess and the bottom of said spring being disposed in said second circular recess, the spring being disposed around the apertures in the second circular recess of the stem portion; and, an externally threaded, valve retainer being disposed above said valve guide for pressing said valve guide toward said valve seat; wherein the stem portion has an outwardly sloping ledge to deflect the compressed spring away from the apertures adjacent the second circular recess.