Version in Steel

Types

• Type S: Bolt steel, standard spring load

• Type SS: Bolt steel, high spring load

• Type K: Bolt plastic, standard spring load

Type S / SS

• Housing steel, blackened

• Bolt steel, hardened

• Operating temperature up to 250 °C

Type K

• Housing steel, blackened

• Bolt plastic, polyacetal (POM)

• Operating temperature -30 °C to +50 °C

Pressure spring

Stainless steel AISI 631

Identification of type SS

Housing with 2 longitudinal markings

Version in Stainless Steel

Types

• Type SN: Bolt stainless steel, standard spring load

• Type SSN: Bolt stainless steel, high spring load

• Type KN: Bolt plastic, standard spring load

• Type KSN: Bolt plastic, high spring load

Housing

Stainless steel AISI 303

Type SN / SSN

• Housing stainless steel AISI 303

• Bolt stainless steel AISI 303, nitrided

• Operating temperature up to 250 °C

Type KN / KSN

• Housing stainless steel AISI 303

• Bolt plastic, polyacetal (POM)

• Operating temperature -30 °C to +50 °C

Pressure spring

Stainless steel AISI 631

Identification of type SSN / KSN

Housing with 2 longitudinal markings