Cover

Polyamide-based (PA) technopolymer, black colour RAL 9005, matte finish, laser engraved graphic symbols.

Threaded fitting

Polyamide-based (PA) technopolymer, with splash guard and hexagon nut, black colour, semi-matte finish.

Packing ring

NBR synthetic rubber flat washer.

Overpressure valve

Technopolymer with NBR synthetic rubber O-ring

Stainless steel spring, set at around 0.350 bar or 0.700 bar.

Air filter

Polyester with a filtration rate of 3µm (efficiency >, 98%).

Standard executions

• SFV-AF-350MB: valve opens when pressure exceeds 0.350 bar (set at 350 mb).

• SFV-AF-700MB: valve opens when pressure exceeds 0.700 bar (set at 700 mb).

Maximum continuous working temperature

100°C.