At Guenther Supply Inc. we offer an expansive range of PVC and CPVC valves, pipe fittings, and specialty piping system components to our customers in the Upper Midwest. We proudly supply the broad line of products manufactured by Spears Manufacturing Company. With over 40 years of experience, Spears is dedicated to producing high quality parts backed by extensive testing, conformance to industry standards, and a worldwide distribution presence. Special orders are available. We stock the PVC schedule 40 and 80 line, in pipe sizes 1/2” through 12”, featuring high-pressure capabilities at temperatures up to 140°F, available custom designs, and high flow capacity. CPVC schedule 80 is also available, in pipe sizes from 1/2” to 6”, with up to 24” possible as a custom order. This material boasts exceptional chemical and corrosion resistance, offers high performance up to 200°F, and will never rust, scale, or pit. PVC drain waste vent pipe and tank adapters are also offered. For more details about the full line of piping systems available, please contact us directly.

Spears Product Line

Valves

  • Ball Valves & 3-Way Ball Valves – PVC & CPVC
  • Lab Valve Ball Valves – PVC & CPVC
  • PVC, CPVC & Polypropylene Industrial Swing Check Valves
  • PVC Utility Swing Check & Spring Check Valves
  • PVC In-line Adjustable Spring Check Valves
  • PVC & CPVC Diaphragm Check Valves
  • PVC & CPVC Butterfly Check Valves
  • PVC & CPVC Y-Pattern & Y-Check Valves
  • Ball Check Valves – PVC & CPVC
  • Diaphragm Valves – PVC, CPVC & Polypropylene
  • PVC & CPVC Gate & Plug Gate Valves
  • PVC & CPVC Globe Valves
  • Butterfly Valves – PVC, CPVC & Polypropylene
  • High Purity Butterfly Valves – PTFE Lined
  • Factory Actuated Valves

Fittings & Pipe

  • PVC Schedule 40 Fittings
  • PVC Schedule 80 Fittings
  • Schedule 80 Polypropylene Fittings
  • CPVC Schedule 80 Fittings
  • CPVC CTS (Copper Tube Size) Pipe, Fittings & Valves
  • PVC & CPVC Special Reinforced (SR ) Fittings & Adapters
  • PVC & CPVC Clamp-On Saddles
  • PVC & CPVC Tank Adapters
  • Insert Fittings
  • PVC & CPVC Threaded Pipe Nipples
  • Schedule 80 • Lengths to 48″ • Pipe Sizes 1/8″ – 12″
  • PVC & CPVC Fabricated Duct Fittings
  • PVC & CPVC Fabricated Fittings & Manifolds
  • PVC White & Gray Compression Couplings
  • PVC Repair Couplings
  • PVC Molded DWV Fittings
  • PVC Backwater Valves
  • PVC Clear & Clear UVR Pipe
  • PVC & CPVC Industrial Pipe & Duct

Complete Systems for Industry

  • DLabWaste™ CPVC Corrosive Waste
  • Low Extractable High Purity PVC System Pipe
  • Complete Double Containment Systems
  • Expansion Joints to Compensate For Thermal Expansion & Contraction
  • Hot-Tap Saddles For Branch Line Connections Under Pressure
  • PVC & CPVC Y-Strainers
  • PVC & CPVC Basket Strainers
  • PVC & CPVC Tee-Style Filters
  • Assorted Process Monitoring Fittings- Gauge Guards • Needle Valves • Gauge Saddles
  • Low VOC Solvent Cements & Primer