Flanged backflow preventer BA4760 DN250 type 149B3402

Flanged backflow preventer,
BA family - double check valve with an intermediate chamber and a relief valve, the valve has the ability to control the correct operation on an ongoing basis.
body: gray cast iron, check valves: bronze, brass and PPO, diaphragm and seals: EPDM,
Pnom 1.0 MPa, tmax = 65 ° C.

ATTENTION: Before and after the BA family return flow isolator, shut-off devices should be installed to enable its maintenance and operation (including checking its correct operation). A settling filter should be installed immediately in front of the valve.

Medium: Clean liquids
Mounting method: Only horizontally
Nominal diameter DN: 250.0
Net weight: 151 kg