Patent ID: 9702353
Date: 2017-07-11
CPC Classifications: F04B,F16K,Y10T

Claim:
1. A valve plate for use in a gas exchange valve of a reciprocating compressor, said valve plate having a front side and a back side and comprising: first and second radially-spaced concentric sealing rings which each defines a front face and a back face and a first thickness therebetween, each said front face providing circumferential sealing surfaces, and a radially-extending web which extends between said first and second concentric sealing rings, said web having a second thickness which is less than said first thickness and defines front and back faces which are recessed relative to the front and back faces of said first and second sealing rings, said back face of said web extending into said first sealing ring to form a recess in the back face of the first sealing ring.