diaphragm valve 1.Prussure:1.0-8.0 Bar(1.0-8.2kgf/cm2) 2.flexible control, reliable and durable 3.working temperature:4-50 1,Y style diaphragm vavles are designed by upper&lower control chamber,fluid flow independently controled by flow cavity, so that the valve control is more flexible, reliable and durable, completely eliminated the ineffective&leaking risk of the the single- chamber control ...