Q22HD-25 flow control valve products are widely used in machinery and equipment, textile equipment , medical equipment , food processing and other fields, Q22HD series of gas control valve specifications complete, the product after professional testing, you can rest assured to buy. Q22HD series of gas control valve to start the pressure of the lower demand, close the high sensitivity, you can quickly turn off the equipment, product sealing is good, with a variety of control structure. My company specializes in manufacturing Q22HD series of gas control valve, many models, you can choose.