G35-1 Chemical Progressive Cavity Screw Pump The G35-1 chemical progressive cavity screw pump is built for metering and transferring viscous, corrosive and abrasive chemical media. The hardened rotor and chemical grade stator combine long service life with accurate, low pulsation dosing. Key Features Fluororubber (FKM) or EPDM stator for aggressive chemicals Hardened 316L stainless steel rotor Accurate linear flow proportional to speed, ideal for dosing Optional variable