If you have a SILCA PISTA, SUPERPISTA OR IMPERO pump produced after 1946, it contains a check valve assembly like this to ensure that air can only flow in one direction.
As these check valves typically last upwards of 25 years, these service parts are typically to remedy lost or damaged valve assemblies.
Most modern pumps use a rubber ball or disc and a spring. Some nicer pumps use an injection molded rubber plug and spring, but nothing has the durability, contamination resistance, or solid sealing action of this brass plunger design which has been in continuous use for nearly 70 years.
The supplier for the brass plunger has been the same since the 1940's. This beautiful shop is run by 3 brothers outside of Milan Italy, who are carrying on the legacy of their grandfather. The brothers are very pleased to keep the tradition of excellence and craftsmanship passed down for generations moving forward today, which is why we continue purchasing these parts exclusively from them.
We have chosen to update this rebuild kit by matching the classic 'Spillo' plunger in brass with a high-tech O-ring and stainless-steel spring replacing the original piano-wire spring.
Kit contains: Brass Plunger, O-ring, Stainless Steel Spring and Aluminum Crush Washer
Components manufactured in Italy and USA