Made in the USA

Polyethylene Ball Valves

PE Ball Valves From the Best Team in the Business

For more than a decade, Lyall and Polytec Co., LTD have provided a high quality line of PE Ball Valves. Combining Lyall’s years of expertise in the gas piping and distribution industry with Polytec’s extensive knowledge in the development of polyethylene products, a full range of high quality, cost-effective residential and industrial PE Ball Valves, sized ½ CTS through 16 IPS are available. 

In addition to standard offerings, Lyall can provide fusion service of longer "pup" lengths to meet customer specifications.


  • Natural Gas 
  • Propane (LPG)
  • Water (Certified to NSF/ANSI 61-G & 372)
  • Wastewater
  • Irrigation

Validation Tests 

  • Shell Test
  • Seat Test
  • Pressure Boundary Verification
  • Closure Verification
  • Temperature Resistance
  • Operating Test
  • Flow Test
  • Sustained Pressure Verification
  • Impact Test
  • Tensile Test
  • Cycle Test
  • Blowdown Test


Download Installation Instructions                                   Gas Brochure                                              

2014 Polyethylene Ball Valve Installation Instructions.jpg                                     2015 Polytec Ball Valve Brochure Image.jpg


         Water Market Brochure

2017 Hubbell Polytec Water Valve Brochure LoRes.jpg

Key Features

  • Meets or Exceeds ASTM D2513, ASME B16.40, CFR 49, PART 192, and CSA B137.4
  • Water Valves also meet or exceed AWWA C901 and AWWA C906
  • ISO 9001 Certified Manufacturing Facility
  • Serialized for Complete Material and Process Traceability
  • Unrestricted Flow and Maximum Capacity for Optimal Performance
  • Service Rated to Maximum Allowable Pressures
  • Operating Temperature Range of -20° F to 140° F
  • Precision Manufacturing Processes Ensure Lower Operating Torque
  • Bubble-tight Seal Throughout Entire Pressure and Temperature Range
  • Specially Compounded Nitrile Seals (HNBR) Exceed Industry Standards
  • Valve Body Design Provides Resistance to Mechanical and Thermal Loads, Making it the Strongest Part of a PE Piping System