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Gas pressure regulator test device

A technology of gas pressure regulator and test device, which is applied in the direction of measuring device, testing of machine/structural parts, instruments, etc., can solve the problem that cannot be used to detect the reliability of gas pressure regulator sealing outlet pressure stability and cut-off function and other problems, to achieve the effect of simple structure, convenient and safe operation, and simple and convenient operation.

Inactive Publication Date: 2008-09-17
JIANGSU COSHIN GAS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above prior art can only detect the static characteristics of the pressure regulating equipment, and cannot be used to detect the sealing performance of the gas pressure regulator when it is closed, the stability of the outlet pressure and the reliability of the cut-off function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Referring to Fig. 3, the gas pressure regulator of this embodiment includes: a valve body a, a main pressure regulating valve b and a safety cut-off valve c arranged on both sides of the valve port a1 of the valve body a. The inlet a2 and outlet a3 of the valve body a are the inlet and outlet of the gas pressure regulator respectively. The safety cut-off valve is used to block the valve port a1 of the valve body a when the air pressure at the outlet a3 end is overpressure or underpressure, so as to cut off the air flow and achieve the purpose of safety cutoff. The main pressure regulating valve b is used to adjust the air flow gap of the valve port a1 of the valve body a, so as to adjust the air pressure of the outlet a3 of the valve body a.

[0020] See figure 1 , the test device of the gas pressure regulator of the present embodiment, comprising: a platform 1, an inlet pressure measuring tube 10 and an outlet pressure measuring tube 11 arranged oppositely on the plat...

Embodiment 2

[0028] On the basis of the embodiment, this embodiment can have the following modifications:

[0029] The inlet piezometric tube 10 and the outlet piezometric tube 11 are of up-and-down structure, and compared with the first embodiment, the platform 1 and the bracket 2 can be omitted. Its working principle is identical with embodiment 1.

[0030] The transmission and pressure applying mechanism can be realized by using a counterweight, a hoist, and the like.

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Abstract

The invention relates to a measuring device for fuel gas voltage regulator, comprising: an entrance seal flange and an exit seal flange set oppositely, an entrance piezometer tube connected to the entrance seal flange, an exit piezometer tube connected to the exit seal flange, a transmission pressing mechanism in transmission connection with the entrance piezometer tube or the exit piezometer tube, an barometre set on the entrance piezometer tube and an entrance gas in and out control ball valve, and an exit barometre set on the exit piezometer tube; injecting compacted air into the entrance piezometer tube through the entrance gas in and out control ball valve, setting test pressure valve, closing a valve port of the fuel gas voltage regulator to be measured; it is qualified if the pressure valve of the exit barometre is no more than the permissible value; injecting compacted air into the entrance piezometer tube of the fuel gas voltage regulator to be measured through the entrance gas in and out control ball valve, setting different test pressure values, regulating a setting nut of the o more than the permissible value; injecting compacted air into the entrance piezometer tube of the so as to detect whether the exit pressure thereof is stable.

Description

technical field [0001] The invention relates to a testing device for a gas pressure regulator. Background technique [0002] At present, gas pressure regulators are widely used in urban gas pipelines, and the reliability of its pressure regulating function directly affects the safety of residents' gas consumption. Chinese Patent Literature Publication No. CN2636019 discloses a gas pressure regulator, which consists of a valve body, an upper cover, a bottom cover, a valve port, a diaphragm lower case connected to the upper part of the valve body, a diaphragm upper case, and a diaphragm upper and lower case. The main diaphragm between, the main adjustment spring on the diaphragm tray, the balance film between the balance film inner tray and the upper cover, and the upper cover, the balance film, the balance film inner tray, the main diaphragm, the tray It consists of a valve stem connected to the valve, and a valve connected to the bottom end of the valve stem and below the v...

Claims

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Application Information

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IPC IPC(8): G01M3/26G01M19/00G01M99/00
Inventor 金国平吴建伟刘宏亮王金流
Owner JIANGSU COSHIN GAS EQUIP
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