Types

• Type B: Steel, standard spring load

• Type BN: Stainless Steel, standard spring load

• Type BS: Steel, high spring load

• Type BSN: Stainless Steel, high spring load

Type B / BS:

• Housing Steel, blackened

• Bolt Steel, hardened

Type BN / BSN

• Housing Stainless Steel AISI 303

• Bolt Stainless Steel AISI 420C, hardened

Marking of Type BS / BSN:

Housing with 2 longitudinal markings

Spring

Stainless Steel AISI 631