Automatic butterfly valves of the Bar PZDS series
Product description of PZDS automatic butterfly valve.
One-piece, blow-safe, flow-fit, sealed, and center-recessed butterfly valves. Automatic butterfly valves are pneumatically operated (double-acting or single-acting).
Features: Compliance with Directives 97 23 CE PED ATEX Directives 94 9 CE ATEX
Leak test EN12266-1 Anti-static test EN12266-2
Good power transmission is achieved by a robust multi-tooth between the shaft and the valve disc.
Easy to maintain, the shaft is equipped with an elastic retaining ring for safe blowout resistance.
Replaceable disc and seat.
The shaft and housing do not come into contact with the internal media.
Self-lubricating bearings.
Housing 80 meters, epoxy coated.
Housing color RAL 5017, blue.
Seat NBR, FKM, Silicone, EPDM - white on request.
Optional limit indicator, solenoid valve and positioner.
Apply under vacuum as required.
Alternatively, it can be equipped with a brake lever, gear, or electric actuator.
Technical parameters. Nominal size: DN 25 — DN 600
Mounting position: any orientation.
Nominal pressure: DN 25: max. 10 bar
DN 32 - 350: max. 20 bar
DN 400 - 600: max. 10 bar
Temperature range: -15°C — 120°C
Material: Housing: Ductile Iron GGG40, Cast Iron GG25
Valve disc: Stainless steel 14408
Shaft: Stainless steel 14028
Seat: EPDM