TRS21 / BVV Upgraded Stainless Steel 2-Piece Piston and Rod Design for Hydrocarbon Extraction

BVV-1 Included in this kit: Complete connecting rod assemblies with 2-piece SS piston, piston seals, and viton o-rings. This upgrade kit can be used for the following recovery pumps: CPS TRS21 Anti-spark/explosion pump BVV 2 Cylinder Butane Recovery Pump ITS/ETL to ANSI/ISA Certified BVV 4 Cylinder Butane Recovery Pump ITS/ETL to ANSI/ISA Certified - Requires 2 kits because this unit has 4 cylinders. Looking to rebuild your TRS21 and want to upgrade to a more efficient and longer lasting piston/rod setup? This kit comes with a fully assembled connection rod and 2 piece piston. The piston is made out of SS making it a great choice for any application where bacterial growth must be eliminated. This design focuses on long life piston seal and wear band. This kit utilizes a Viton energized o-ring specifically designed for butane and or propane recovery used in the extraction process. By utilizing this kit the piston seal and wear band can be easily removed without having to disassemb