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Valves • Needle Valves • Plastic Needle Valves

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  • Marquest Scientific, Inc.

    Marquest Scientific, Inc. offers Throttle Master, plastic with tube connections, and L Series on/off cycling needle valves. Throttle Master needle valves come in come in angle/globe pattern styles, inlet sizes ranging from 1/4" to 1/2", and they are constructed from following materials: PTFE, Teflon, Polypro, CPVC, PVC, polypropylene, etc. These valves feature panel thicknesses ranging from 1/16" to 1/2", an injection molded/rugged design, and 24 pitch metering threads.

  • U.S. Plastic Corp.

    U.S. Plastic Corp. offers SMC, Hayward NVA Series, and Flow Control pinch plastic needle valves. 586 Series SMC needle valves feature EPDM stem seals, black filled polyester knobs, black nylon hex nuts, and panel thicknesses up to 0.125. These valves range in size from 1/8" x 1/8" to 1/2" x 1/2", and they have pressure ratings to 125 PSI.

  • Cole-Parmer

    Cole-Parmer offers plastic and PFA needle valves. PVC and PP plastic needle valves feature pipe thread connections, O-rings made of Viton, PTFE seats, and pressure ratings up to 200 PSI. These valves can handle temperatures up to 302°F and GPM ratings ranging from 5 to 8. PFA needle valves range in OD size from 1/8" to 3/8", and they can form a chemically inert fluid pathway when used with fluoropolymer tubing.

  • Industrial Specialties Mfg.

    Industrial Specialties Mfg. offers VNPS Series and DMNV Series push-in plastic needle valves. VNPS Series plastic needle valves come with white polypropylene or gray PVC needle material options, and they feature EPDM or Teflon seals. These valves feature operating pressures up to 125 PSI, operating temperatures up to 140°F, and end connections ranging from 1/8" to 1/2". DMNV Series push-in needle valves have 90° angle or in-line body styles, maximum working pressures up to 150 PSI, and OD tube sizes ranging from 1/4" to 3/8".

  • The Specialty Mfg. Co. (SMC)

    The Specialty Mfg. Co. (SMC) offers 586 Series plastic needle valves with black nylon hex nuts. These valves feature 2.5 degree tips, pressure ratings up to 125 PSI, black filled polyester knobs, and Teflon stem seals.

  • Georg Fischer Piping Systems

    Georg Fischer offers Type 522 Beta PP, SYGEF PVDF globe, and SYGEF PVDF angle plastic needle valves in sizes ranging from 1/4" to 1/2".

  • Parker Hannifin Corp.

    Parker Hannifin Corp. offers MV-13 Series needle valves for gas and chemical applications. These valves feature molded PFA stems/bodies, precision machined sealing areas, PTFE ferrules for leak-tight sealing, and stem stops for safe operations. They come in fluid temperature ranges from 0 to 266°F, pressure ranges ranging from 7 to 913 mbar, sizes ranging from 1/8" to 1/2", and orifice diameters ranging from 0.063" to 0.125".

  • Nibco

    Nibco offers Schedule 80 PVC needle valves for the following applications: vacuum service, deionized water lines, chilled water service, industrial plating, chemical processing, corrosive liquids, and waste treatment systems. Model T45YP-V PVC angle/Y-pattern needle valves feature stub acme threads on stems, easy in-line maintenance, and malleable glass reinforced PTFE seat disks. These valves come in sizes ranging from 1/4" to 1", and they have common dimensions ranging from 0.88x0.44x1.32 to 1.75x1.19x2.19.