Product Overview: 

LXHQ pneumatic regulating butterfly valve combines butterfly valve structure and pneumatic actuator to realize accurate flow control and quick opening and closing. Scientific design of valve plate, flexible opening and closing, equipped with high-precision positioner, with good linear or equal percentage flow characteristics, suitable for various industrial process automation control systems. The valve is widely used in petrochemical, metallurgical, electric power, water treatment, environmental protection, paper making, food, medicine and other industries for fluid regulation and control.

Product features: 

Fast response and high adjustment accuracy

Strong flow capacity, small pressure loss, good flow characteristics

Pneumatic actuator drive, high reliability, easy maintenance

Equipped with intelligent positioner to realize remote automatic control

Multiple sealing structures, suitable for different media and pressure conditions

Compact structure, light weight, easy installation and maintenance

Wide range of applications, support a variety of connections (flange, clamp, etc.)

Anti-corrosion, anti-wear treatment, suitable for harsh working conditions

A variety of valve body materials and sealing materials to meet the needs of corrosive media

Technical parameters: 

Nominal diameter DN50 ~ DN1200

Nominal pressure PN10/PN16/PN25/ANSI 150LB

Applicable temperature -20 ° C ~ + 200 ° C (according to different sealing materials)

Valve body material: carbon steel, nodular cast iron, stainless steel

Valve plate material: stainless steel, carbon steel, fluorine-lined, hard alloy, etc.

Sealing material EPDM, NBR, Viton, PTFE, FPM, etc.

Actuator Single-acting or double-acting pneumatic actuator

Control signal 4 ~ 20mA current signal, with intelligent positioner support

Connection type: flange type, wafer type

Leakage Class ANSI Class IV or VI

Application industry: 

Petrochemical Process Automation Control

Electric Boiler and Cooling System

Water and sewage treatment facilities

Paper and textile industry

Adjustment of food and medicine production proces

Waste gas and liquid control of environmental protection facilities

Ship and Ocean Engineering

Semiconductor and Electronics Manufacturing