Ball & Plug Valves

Hy-Lok USA, Inc. ball and plug valves offer secure, leak-free connections and provide the lowest overall cost of any instrument ball and plug valve used in the market today.

Rugged and compactly designed, Hy-Lok offers a wide range of sizes and seat materials (PEEK, UHMWPE, PVDF, PTFE, and PCTFE). End connection options include male / female NPT, Hy-Lok tube fittings, and ISO threads from 1/8″ to 1″. Configurations include 2-way, 3-way (side / bottom entry) and 4-way valves. Optional features include panel mounting, locking devices, and upstream/downstream venting. Available in stainless steel, carbon steel, brass, and alloy 400. With pressure ratings to 10,000 psi and temperatures to 500F, Hy-Lok has instrument ball and plug valve solutions to meet your needs.

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Ball Valve Specifications

  • MAWP up to 20,000 psig (1380 bar)
  • Temperature Ratings: -20°F to 400°F (-28°C to 204°C)
  • Ball Valve Port Sizes: 3/16", 1/4", 3/8" or 1/2"
  • Flow Patterns: 2-way, 3-way, Switching 3-way, 3-way Diverting

Ball Valve Connection Types: 

  • Bi-directional trunnion style for optimal performance
  • Three standard mounting options
  • Hydraulic ball valves

Ball Valve Materials:

  • Body / Side Adapter / Stem - 316 cold worked stainless steel
  • Packing - Glass filled Teflon
  • Seats - PEEK
  • Seals - FKM
  • Bearings - Nitronic 60

Plug Valve Features

  • Pressure rating up to 3000 psig (206 bar) at 70F (21C)
  • Temperature rating from -10°F to 400°F (-23°C to 204°C) with PTFE coated Viton Seal
  • Small and compact design
  • Easy maintenance and cleaning
  • Sizes available up to 1/2" tube and pipe
  • Body materials available in 316 stainless steel and brass
  • 100% factory tested

Ball & Plug Valve Catalogs


If you have any questions about any of our products or services, don’t hesitate to give us a call. For any inquiries, fill out the form and one of our Hy-Lok representative will contact you soon.


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