These stall cocks can be used with Westfalia, Bou-Matic, Strangko and Beco pulsators. Also with Interpuls LL90, L80, D95 & BRK with adapter # 62708 

A frequent source of vacuum leaks in a milking system is loose stall cocks. Parts Dept.'s band-on electric stall cock will not twist, shift or loosen over time like a screw-in stall cock. The band-on stall cock's stability also provides a better electrical connection.