
FOX S.r.l. is an Italian engineering and manufacturing company, based in Opera, near Milan in the Lombardy region. Their operations create industrial‐equipment components (especially hydraulic/hydropneumatic) and instrumentation. FOX produces Hydropneumatic accumulators (bladder, diaphragm, piston types; large capacities up to 5,000 litres; high pressures up to ~1,379 bar), Pulsation dampeners for hydraulic/pneumatic systems, Instrumentation: pressure switches (electromechanical & electronic), vacuum switches, transmitters, level gauges, floats, temperature sensors/switches and products built in special materials for corrosive or demanding environments (Duplex/Super Duplex stainless steel, Inconel, special elastomers) and certified for global markets (PED, ASME VIII, etc).
Most frequently ordered fox® products from Griffco Valve.
HSTX
Diaphragm-Type Pulsation Dampeners

HTRX
Bladder Type Pulsation Dampeners

BTHX
Bellow Type Pulsation Dampeners

Click here to download the full fox catalog
Special / Custom Units
FOX also manufactures custom dampeners for OEMs — including large “damper lungs” for industrial pump manufacturers. These can include High-volume stainless-steel units for seawater or brine systems, Special materials (Inconel, Hastelloy, Duplex) for aggressive chemical environments, Threaded, flanged, or sanitary connections.
Submit your information and someone from our design team will contact you to discuss your custom unit specifications.

