Conical Spin-On Collars 1701/1702

Conicals average 36% less static pressure (SP) drop and 45% less total pressure (TP) drop than conventional spin-on collars. Superior quality and design. Assembly comes complete with quality regulator and retractable spring bearing hardware. Available in diameters ranging from 4" to 16" with or without damper. 1SO1701 - No Damper 1SO1702 - With Damper