CN201921374U

CN201921374U - Valve assembly for foam water spray system

Info

Publication number: CN201921374U
Application number: CN2011200217176U
Authority: CN
Inventors: 李福敏
Original assignee: WUHU SHIJI KAIXUAN FIRE EQUIPMENT CO Ltd
Current assignee: WUHU SHIJI KAIXUAN FIRE EQUIPMENT CO Ltd
Priority date: 2011-01-24
Filing date: 2011-01-24
Publication date: 2011-08-10
Anticipated expiration: 2021-01-24

Abstract

The utility model discloses a valve assembly for a foam water spray system, which is characterized in that a water inlet pipe and a water outlet pipe are communicated through a pressure opening valve; the water inlet pipe and the water outlet pipe are respectively provided with a branch pipe and are communicated through a throttle valve; and the pipelines of the branch pipes of the water inlet pipe and the water outlet pipe are respectively provided with a pressure reducing pipeline and are communicated through a proportional pressure reducing valve. The valve assembly is capable of well controlling water pressure at both ends so as to ensure that too high strength is not needed when the valve is opened, and moreover, capsules in the pipelines and a foam tank can be protected.

Description

A kind of valve module that is used for the foam water spray system

Technical field

The utility model relates to a kind of foam pourer systems, relates in particular to the valve module in a kind of foam pourer systems.

Background technology

The foam water spray system is the intermediate conduit system that connects water pipe and drench valve, existing systems such as Fig. 1, water pipe taps into water pipe, outlet pipe connects drench valve, and water inlet pipe is communicated with outlet pipe through the pressurization opening valve, and outlet pipe and water inlet pipe are equipped with bye-pass, article two, bye-pass is communicated with through choke valve, such device armrest moves throttle valve control, and pressure reduction that can not the better controlled both sides can cause that pipeline damages, the bad results such as capsules break in the foam tank.

The utility model content

The technical problems to be solved in the utility model is to realize a kind of valve module that is used for the foam water spray system that can effectively control pressure between water pipe and the drench valve.

To achieve these goals, the technical solution adopted in the utility model is: a kind of valve module that is used for the foam water spray system, its water inlet pipe is communicated with through the pressurization opening valve with outlet pipe, water inlet pipe is equipped with arm with outlet pipe and is communicated with through choke valve, and described water inlet pipe is equipped with gas relief line with propping up of outlet pipe on the pipeline and is communicated with through proportional pressure reducing valve.

Advantage of the present utility model is to control two ends hydraulic pressure preferably, does not need the too big strength of expense when guaranteeing open valve, and can protect the capsule in pipeline, the foam tank.

Description of drawings

Below the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure are briefly explained:

Fig. 1 is the existing valve module that is used for the foam water spray system;

Fig. 2 is used for the valve module of foam water spray system for the utility model;

Mark among the above-mentioned figure is: 1, water inlet pipe; 2, outlet pipe; 3, pressurization opening valve; 4, arm; 5, choke valve; 6, gas relief line; 7, proportional pressure reducing valve.

The specific embodiment

The valve module that is used for the foam water spray system referring to Fig. 2 for the utility model, its water inlet pipe 1 is communicated with through pressurization opening valve 3 with outlet pipe 2, water inlet pipe 1 is equipped with arm 4 with outlet pipe 2 and is communicated with through choke valve 5, article two, be equipped with gas relief line 6 on arm 4 pipelines and be communicated with through proportional pressure reducing valve 7, increased proportional pressure reducing valve 7, by 1: 2 ratio of designing and calculating, automatically pressurization, make cavity pressure lower 2 times than water inlet pressure, the cavity pressure ratio is 1: 2 before and after realizing, when guaranteeing that open valve is opened, a power that needs are less (≤0.05MPa) can open valve.

Claims

1. valve module that is used for the foam water spray system, its water inlet pipe (1) is communicated with through pressurization opening valve (3) with outlet pipe (2), water inlet pipe (1) and outlet pipe (2) are equipped with arm (4) and are communicated with through choke valve (5), it is characterized in that: be equipped with gas relief line (6) on arm (4) pipeline of described water inlet pipe (1) and outlet pipe (2) and be communicated with through proportional pressure reducing valve (7).