PVC Diaphragm Valve Union Type PN10 is a new developed diaphragm valve, the difference between flange type diaphragm valve and union type diaphragm valve is union type is more convenient to installation and replace of valve. the union type diaphragm valve is usually for small size from DN15 to DN100, connection end by different standard of DIN, ANSI, JIS, CNS. this type PVC diaphragm valve is used for wate treatment application. 

RMI PLAST offer UPVC diaphragm valve union type with the specifications as follows:
Basic specication
Size range: DN15~DN100 (1/2 inch ~ 4 inch)
Body materials: PVC-U
Diaphragm material: EPDM
Socket connection: DIN
Design pressure: 1.0Mpa (PN10 bar)

Feature of valves
Body and diaphragm that touch medium are made from plastic and rubber. 
Socket connection for easy installation. 
Pneumatic operation is optional