Patent ID: 6220282
Filing Date: 2001-04-24
Classification: E03C,F16K,Y10T

Abstract:
A backflow prevention apparatus, comprising:(a) a primary housing component, said primary housing component having a lateral opening;(b) a first check valve module, said first check valve module fitting within said lateral opening;(c) a second check valve module, said second check valve module fitting within said lateral opening;(d) a central housing component fitting within said lateral opening said central housing component inserted between and abutting said first check valve module and said second check valve module;(e) a first seal positioned between and abutting said first check valve module and said central housing component;(f) a second seal positioned between and abutting said second check valve module and said central housing component;(g) said first check valve module, said second check valve module, and said central housing component defining a fluid-tight cover for said lateral opening.