• Product Image- Throttle Master PVC, CPVC & PP Needle Valves

    • Precise Flow Control with Fine Adjustment of Corrosive and High Purity Fluids.
    • Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°).
    • Three standard end connections: 1/4", 3/8" and 1/2" FNPT.
    • Needle finish, SPI/SPE #1. Bubble tight, low torque shutoff long term performance.
    • 24 Pitch metering thread. 20% Finer metering control.
    • PTFE, sealed, chemical resistance, high purity.
    • Versatile and simple panel mount system.
    • Integrally designed panel mounting, no fasteners required, mounts to panel thicknesses from 1/16" to 1/2".
    • No elastomers (O-Rings), metals or lubricants, no corrosion, no contamination.

    • mrq_L-SeriesImage

      "L Series" Throttle Master Needle Valves(PVC, CPVC, & Polypropylene)

      The Ultimate in On/Off Product Cycle Life 

      *Offers all new PTFE Sealing with Unlimited Life Warranty

      • PTFE on/off seal is easily replaced in the field, no tools required
      • Exceptional low torque on/off operation
      • Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°).
      • Three standard end connections: 1/4", 3/8" and 1/2" FNPT. Tubing Connections Available.
      • All injection molded, rugged design and construction
      • Available in 3 Materials: PVC, Unpigmented Natural Polypro, Hi-Purity PVDF
      • 24 Pitch metering thread. 20% Finer metering control.
      • PTFE, sealed, chemical resistance, high purity.
      • Integrally designed panel mounting, no fasteners required, mounts to panel thicknesses from 1/16" to 1/2".
      • No elastomers (O-Rings), metals or lubricants, no corrosion, no contamination.

    • mrq_Handle_ForPartsImage

      Consist of Top Sub-Assembly Replacement Cartridge Assembly with Needle and Ring

    • mrqLT

      Series LB Lab Base Fixtures: PVC, Natural Polypro, and High Purity PVDF
      With New "L Series" Lab Control Valve

      • FDA, USDA, and USP standards are either met and/or exceeded.
      • No Elastomers (O-Rings), Metals or Lubricants No Corrosion, No Contamination.
      • Complete line allows total design flexibility
      • Beautifully finished to enhance all installations
      • All injection molded, rugged design and construction
      • Available in 3 Materials: PVC, Unpigmented Natural Polypropylene, Hi-Purity Natural PVDF
      • Standard 3/8" female NPT inlet connection
      • Molded Serrated outlet barb fitting connects to different tubing sizes
      • "L Series" Lab Control Valve offers all new PTFE sealing with Unlimited Life Warranty:
        • PTFE on/off seal is easily replaced in the field, no tools required
        • Exceptional low torque on/off operation
        • Full Flow at 1 full turn
      • Valve is Crevice Free with Zero Dead Leg

    • mrqLB

      Series LB Lab Base Fixtures: PVC, Natural Polypro, and High Purity PVDF

      With New "L Series" Lab Control Valve

      • Complete line allows total design flexibility
      • Beautifully finished to enhance all installations
      • All injection molded, rugged design and construction
      • Available in 3 Materials: PVC, Unpigmented Natural Polypropylene, Hi-Purity Natural PVDF
      • Standard 3/8" female NPT inlet connection
      • Outlet barb fitting connects to different size tubing
      • "L Series" Lab Control Valve offers all new
        • PTFE sealing for extended life: PTFE on/off seal is easily replaced in the field, no tools required
        • Exceptional low torque on/off operation
        • Full Flow at 1 full turn

    • mrqLGseries

      • Complete line allows total design flexibility
      • Beautifully finished to enhance all installations
      • All injection molded, rugged design and construction
      • Beautifully finished to enhance all installations
      • FDA, USDA, and USP standards are either met and/or exceeded.
      • Serrated Outlet barb fitting connects to different size tubing
      • Gooseneck component is heavy wall, custom extruded
      • Availability in 3 Materials: PVC, Unpigment Natural Polypropylene, Hi-Purity Natural PVDF
      • Corrosion Free, No Contamination 
      • Fields of Application:
        • Potable, Distilled, Deionized, RO, Ultra Filtrated Water, & Chemical Dispensing