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 Small proportional valve

Model: GPV01-05A0

GPV01 series gas proportional valve is a kind of movable permanent magnet type electromagnetic proportional valve, which can set the valve opening according to the size of the control current applied, and can be continuously adjusted in a small and stepless manner with the change of the controller current, which can be adjusted to the required gas output pressure immediately. It also has a pressure stabilizing mechanism, which can automatically adjust the valve opening when the input pressure changes, so that the combustion condition is always in a stable state. In this way, the controller can output different regulation current to proportional valve through the water temperature feedback signal, so as to realize automatic regulation of the gas flow and achieve the purpose of regulating water temperature and stabilizing water temperature. This series valves have good regulating performance, sealing performance and compact structure, which are suitable for small power Gas water heaters and Combine gas boilers.
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Details

Main technical parameters:

Section

Parameter

Basic parameter

Gas type

 LPG、NG

Pressure

Under 5Kpa

DN

Φ14mm

Installation direction

Straight down the inlet, Slope within 5 degrees

Working Temperature

-20~60oC

Electricity function

Shutoff valve Rated Voltage

DC24V / DC110V / DC220V

Shutoff valve open voltage

≤DC19V / ≤DC80V / ≤DC176V(At 5kPa)

Shutoff valve open voltage

DC2~9V / DC16.5~45V / DC33~80V

Proportional valve DC

DC 0~300mA constant flow source

Gas tightness

Primary air tightness

≤10ml/h(At 15KPa/0.6KPa)

Secondary tightness

≤30ml/h(At 15KPa)

External tightness

≤10ml/h(At 15KPa)

Proportional characteristic

Proportional characteristic

Can be set according to users’ requirements, Within the scope of the current work, I - P2 curve is linear.

stabilizing voltage characteristic

Conform to the requirements of the GB6932-94, after the pressure variation is not greater than 5% P2 + 30 pa


Product installation dimension drawing:


   

主要技术参数

基本参数

适用气种

液化气、天然气、人工气

使用压力

5kPa 以下

阀口通径

Φ14mm

安装方向

进气口竖直向下,斜度5度以内

工作环境温度

-2060ºC

电气性能

截止阀额定电压

DC24V / DC110V / DC220V

截止阀开阀电压

≤DC19V / ≤DC80V / ≤DC176V(加压5KPa)

截止阀闭阀电压

DC29V / DC16.545V / DC3380V

比例阀驱动电流

DC 0300mA 恒流源

气密性

一级气密性

≤10ml/h(加压15KPa/0.6KPa

二级气密性

≤30ml/h(加压15KPa

外部气密性

≤10ml/h(加压15KPa

比例特性

I-P2比例特性

 可按用户要求设定,在工作电流范围内,I-P2曲线呈线性

P1-P2稳压特性

符合GB6932-94要求,后压变化不大于5%P2+30Pa


 


 


 


 


 


 


 






产品安装尺寸图




比例特性曲线




稳压特性曲线


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