Patent ID: 6105615
Filing Date: 2000-08-22
Classification: F16K,Y10T

Abstract:
A valve device comprising a valve body having opposed seat-engaging faces, said valve device also including opposed stems, each stem extending from said valve body, said valve device further including:a bifurcated, internally bored, valve seat including opposed valve seat segments, each segment including internally bored, sealing cylinder means, seat means, and depending skirt means with lug means radially extending therefrom;said valve body movable within the internal bore of said valve seat from a first position engaging one of said segment's seat means to a second position engaging the other of said segment's seat means;said bifurcated valve seat being sealingly and movably positioned within bore means in a housing block;actuator means for exerting a force urging said valve body from one of said positions toward the other;spring means for exerting a force urging said valve body from said other position toward the first;first and second adapter means for releasably linking said housing block to opposite ones of said valve seat segments, each of said adapters including female fastener means for rotatably receiving one of said lugs.