Material

Polyamide based (PA) technopolymer.

• Cover: RAL 2004 orange, semi-matte finish, with graphic symbol "valve".
• Threaded connector: black colour, semi-matte finish.

Packing ring

NBR synthetic rubber.

Overpressure valve

Technopolymer with NBR synthetic rubber O-ring and stainless steel spring.

Set at around 0.350 bar (on request 0.700 bar).

Suction valve

Technopolymer sealing disk with NBR synthetic rubber O-ring and stainless steel spring.

Set at around 0.030 bar.

Ring-shaped air filter

"Tech-foam" polyurethane foam mesh (polyester base), air filtration 40µ.

Flat dipstick

Flat section phosphatised steel.

On request and for sufficient quantities dipstick can be supplied in different lengths and/or complete with MAX-MIN level lines.

Standard executions

• SFW+F: without flat dipstick.
• SFW-BA+F: with zinc-plated steel sheet bayonet, without flat dipstick. Chrome-plated steel safety chain.
• SFW+F+a: with flat dipstick.
• SFW-BA+F+a: with zinc-plated steel sheet bayonet and flat dipstick. Chrome-plated steel safety chain.

Maximum continuous working temperature

100°C.