Foam spraying controlling valve set special for tunnel

Foam spraying controlling valve set special for tunnel

CN
  • CN 2,903,388 Y
  • Filed: 05/18/2006
  • Issued: 05/23/2007
  • Est. Priority Date: 05/18/2006
  • Status: Active Grant
First Claim
Patent Images

1. the special-purpose foam spray control valve in tunnel group, comprise into water short tube (1), water supply side Signal butterfly bamper (3), fire-fighting drench valve (5), system side Signal butterfly bamper (9), water outlet short tube (10), draining debugging ball valve (11), casing (12), water inlet short tube (1) is located at the bottom in the middle of the casing (12), its entrance point stretches out outside the casing (12), be connected with water pipeline by clip, its port of export is connected with fire-fighting drench valve (5) by water supply side Signal butterfly bamper (3), fire-fighting drench valve (5) port of export passing ratio blender (8), system side Signal butterfly bamper (9) is connected with water outlet short tube (10), water outlet short tube 10 is located at the top in the middle of the casing 12, the port of export is connected with system pipe network by clip, it is characterized in that, between fire-fighting drench valve (5) port of export and system side Signal butterfly bamper (9), be provided with proportioner (8), the foam solution arrival end of proportioner (8) is provided with foam solution pipeline (13), on foam solution pipeline (13), be provided with flap valve (7) successively, foam solution zone valve (6), strainer (4) and foam solution break-make ball valve (2), the foam mixing liquid port of export at proportioner (8) is provided with test, drainage pipe (14), pipeline (14) are provided with draining debugging ball valve (11).

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