BOLU is having a full line of API tapers pistons for both triplex and duplex mud pumps. With versatile options of Replaceable Rubber, Urethane or Bonded Urethane Pistons, we are surly having right pistons for your applications. The monitoring record proved for majority performance keeps customers confident in our ability to deliver quality pistons to their pumps. HB pistons are showing Much Safer & Much Faster characteristics when mud pump goes down suddenly.