Valves & Actuation

Asahi/America Duo-Bloc® Type 21 thermoplastic ball valves provide a dependable and economical way to handle corrosive chemicals. They perform at temperatures up to 250°F, and pressures to 230 psi (150 psi for polypropylene valves). True Union Duo-Bloc® Type 21 Ball Valves can be lifted from the line, simply by loosening the two union nuts. The valve can be disassembled, and parts may be replaced. The Duo-Bloc® feature blocks in two directions, leaving full pressure opposite, and allowing disconnection of downstream piping.

Asahi/America Duo-Bloc® Type 21 thermoplastic ball valves provide a dependable and economical way to handle corrosive chemicals. They perform at temperatures up to 250°F, and pressures to 230 psi (150 psi for polypropylene valves). True Union Duo-Bloc® Type 21 Ball Valves can be lifted from the line, simply by loosening the two union nuts. The valve can be disassembled, and parts may be replaced. The Duo-Bloc® feature blocks in two directions, leaving full pressure opposite, and allowing disconnection of downstream piping.

Spears® True Union 2000 Ball Valves provide maximum versatility with fully interchangeable (with Series 2000 Ball Check Valves and 3-Way Ball Valves) valve cartridges. Provides for easier system design modifications and upgrades in multi-phase projects, or anywhere changes in valve type are desired. All True Union 2000 valves feature a low-profile, compact design for minimal space requirements. Choice of high grade EPDM or Viton® o-rings allows application-specific selection for optimum chemical resistance.