The DelVal Series 57 has been developed with extensive application, design and manufacturing expertise.  These products are produced by employing modern manufacturing practices under a robust quality assurance system.  These practices ensure consistent product quality and dependable performance.
Items
Series 56 and 57 valves image

Resilient Seat (High Flow) Butterfly Valve

Series 56 and 57 valves image

Resilient Seat (High Flow) Butterfly Valve
Type N/A Resilient seated high flow disc
Size N/A 50-600 mm/ 2"-24"
Body Material N/A Cast iron, ductile iron (Wafer and lug type)
Disc N/A Ductile iron (Nylon/aroxy coated) CF8/CF8M
Seat N/A Buna N/ EPDM
Stem N/A SS 410/316/CS+zinc plated
Operation N/A Lever/gearbox/pneumatic/electric actuator
Temperature °C N/A -25 to 150
Pressure N/A PN10/PN16
Manufacturer N/A DelTech