Product features
Hydraulic control, without external driving force;
The main valve has only one moving part, so the failure rate is low;
Diaphragm structure, no friction, high control sensitivity;
The control accuracy of pressure difference is ± 5%.
Product standards
Manufacturing standard: CJ / T219, JB / T10674
Connection standard: GB / T17241.6
Face spacing standard: GB / T12221
Inspection and test standard: GB / T13927
Technical parameter
Nominal diameter: DN50 ~ DN300 (2 "~ 12")
Nominal pressure: PN16
Pressure difference: 0.5MPa ~ 0.5MPa
Working temperature: 0 ° C ~ 85 ° C
Sealing test: 1.1PN
Shell test: 1.5PN
Applicable medium: water