PP-H Ball valve 546 Pro PPA FC

  Datasheet (PDF)

The Georg Fischer PROGEF Standard PP-H ball valve type 546 Pro with PPA pneumatic actuator is an industrial-grade automated valve engineered for chemical processing, water treatment, and aggressive fluid handling. Manufactured from beta-nucleated polypropylene homopolymer (beta-PP-H), the valve body delivers high impact strength, chemical resistance, and long-term hydrostatic endurance up to 10 bar. The integrated pneumatic PPA actuator functions in Fail Safe to Close (FC) mode via a heavy-duty internal spring set, instantly closing the pipeline upon pneumatic signal loss to safeguard critical downstream operations.

Equipped with a lightweight yet chemically resistant glass-fibre reinforced polypropylene (PP-GF) actuator housing, the assembly operates at a standard 5.6 bar control pressure. The actuator includes a NAMUR interface according to VDI/VDE 3845 for solenoid valves and position feedback units, paired with an integrated optical indicator for clear visual status verification. Fluid isolation is achieved through virgin PTFE ball seats backed by elastomeric EPDM or FKM cushions, ensuring low operating torque, consistent sealing, and bubble-tight shut-off. Metric socket fusion ends provide homogenous, leak-free pipe joints.

The true double union design facilitates straightforward maintenance, enabling radial removal of the valve body without cutting or spreading the piping system. A safety stem incorporates a predetermined shear point positioned above the primary seal, preventing internal media leakage even if the stem is subjected to excessive external stress. Stainless steel threaded inserts in the valve base provide secure structural mounting, while backward z-dimension compatibility permits drop-in replacement of legacy 546 installations. BigWeld supplies this high-performance assembly across Europe for demanding industrial networks.