Proflex Shielded Couplings

Above-Ground Shielded Pipe Couplings

Engineered for professional above-ground pipe transitions with a flexible sealing sleeve, stainless steel shield and reliable shear resistance.

Above-ground applications only

Professional-Grade Above-Ground Transitions

Proflex Couplings provide a clean, code-compliant connection for residential and commercial plumbing repairs, transitions and material changes.

Proflex coupling installation

Shear Resistance

Stainless steel shield and clamp design help resist shear forces, movement and vibration.

Proflex shielded coupling group

Versatile Compatibility

Available in multiple transition configurations for cast iron, plastic, steel, copper and tubular piping.

Proflex product detail

Made in the USA

Proflex Couplings are Made in the USA and support AIS/BABA compliant projects.

Best For

Above-Ground DWV
Pipe Repairs
Material Transitions
Residential Plumbing
Commercial Plumbing
Code-Compliant Installs
Proflex coupling feature view
Product Construction

Shielded for Professional Performance

Fernco Proflex Shielded Pipe Couplings are engineered for dependable above-ground pipe transitions. The flexible sleeve helps create a leak-resistant seal while the stainless steel shield and clamps provide added support for a rigid, professional-grade connection.

Synthetic Rubber Gasket Flexible sealing sleeve supports dependable above-ground pipe transitions.
301 Stainless Steel Shield Helps resist shear forces and maintain a stable connection.
Stainless Steel Clamp Assembly Built with 301 stainless steel bands and housings with 305 stainless steel screws.
60 in-lbs Installation Torque Designed for fast, consistent installation with standard tools.

Specifications

Gasket

  • Material: Synthetic rubber
  • Application: Above-ground pipe transitions
  • Seal: Flexible, leak-resistant connection

Clamp

  • Band: 301 stainless steel .025 x .500 x length
  • Housing: 301 stainless steel
  • Screw: 305 stainless steel 5/16" hex - no slot

Shield

  • Material: 301 stainless steel
  • Size: .012 x 2.125 x length
  • Eyelet: 305 stainless steel

Performance

  • Installation Torque: 60 in-lbs.
  • Maximum Test Pressure: 4.3 PSI / 29.6 KPA
  • Maximum Operating Temperature: 180°F
  • Standards: ASTM C1460, ASTM C564 and CSA B602
Made in the USA

AIS & BABA Compliant

All Proflex Couplings are Made in the USA and AIS/BABA compliant, supporting projects where domestic sourcing and trusted manufacturing matter.

Made in USA
AIS/BABA
Compliant

Proflex Part Numbers

Search by part number, material, pipe size or Mission equivalent.

3000 Series - Cast Iron to Plastic, Steel or Extra-Heavy Cast Iron
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3000-150 1.5" Cast Iron, Plastic or Steel 1.5" Cast Iron, Plastic or Steel CP-150
3000-215 2" Cast Iron, Plastic, Steel or Extra-Heavy Cast Iron 1.5" Cast Iron, Plastic or Steel CP-215
3000-22 2" Cast Iron, Plastic, Steel or Extra-Heavy Cast Iron 2" Cast Iron, Plastic, Steel or Extra-Heavy Cast Iron CP-200
3000-33 3" Cast Iron 3" Plastic, Steel or Extra-Heavy Cast Iron CP-33
3000-43 4" Cast Iron 3" Plastic, Steel or Extra-Heavy Cast Iron CP-43
3000-44 4" Cast Iron 4" Plastic, Steel or Extra-Heavy Cast Iron CP-44
3000-55 5" Cast Iron 5" Plastic, Steel or Extra-Heavy Cast Iron CP-55
3000-66 6" Cast Iron 6" Plastic, Steel or Extra-Heavy Cast Iron CP-66
3000-88 8" Cast Iron 8" Plastic, Steel or Extra-Heavy Cast Iron CP-88
3001 Series - Cast Iron to Copper
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3001-110 1.5" Cast Iron, Plastic or Steel 1" Copper or 3/4" Plastic CK-110
3001-1125 1.5" Cast Iron, Plastic or Steel 1.25" Copper or 1" Plastic CK-1125
3001-150 1.5" Cast Iron, Plastic or Steel 1.5" Copper or 1.25" Plastic CK-115
3001-2125 2" Cast Iron, Plastic or Steel 1.25" Copper or 1" Plastic CK-2125
3001-215 2" Cast Iron, Plastic or Steel 1.5" Copper or 1.25" Plastic CK-215
3001-22 2" Cast Iron, Plastic or Steel 2" Copper CK-22
3001-315 3" Cast Iron 1.5" Copper or 1.25" Plastic CK-315
3001-32 3" Cast Iron 2" Copper CK-32
3001-33 3" Cast Iron 3" Copper CK-33
3001-43 4" Cast Iron 3" Copper CK-43
3001-44 4" Cast Iron 4" Copper CK-44
3002 Series - Cast Iron, Plastic or Steel to Tubular
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3002-150 1.5" Cast Iron, Plastic or Steel 1.5" Tubular T-150
3002-155 1.5" Tubular 1.5" Tubular T-215
3002-215 2" Cast Iron, Plastic or Steel 1.5" Tubular BWT-150
3003 Series - Copper to Copper
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3003-150 1.5" Copper 1.5" Copper or 1.25" Plastic K-150
3003-215 2" Copper 1.5" Copper or 1.25" Plastic K-200
3003-22 2" Copper 2" Copper K-215
3003-33 3" Copper 3" Copper K-300
3004 Series - Cast Iron to Cast Iron, Plastic or Steel
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3004-320 3" Cast Iron 2" Cast Iron, Plastic or Steel C-320
3004-420 4" Cast Iron 2" Cast Iron, Plastic or Steel C-420
3004-430 4" Cast Iron 3" Cast Iron C-430
3004-540 5" Cast Iron 4" Cast Iron C-540
3005 Series - Plastic, Steel or Extra-Heavy Cast Iron to Plastic, Steel or Extra-Heavy Cast Iron
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3005-33 3" Plastic, Steel or Extra-Heavy Cast Iron 3" Plastic, Steel or Extra-Heavy Cast Iron P-300
3005-43 4" Plastic, Steel or Extra-Heavy Cast Iron 3" Plastic, Steel or Extra-Heavy Cast Iron P-430
3005-44 4" Plastic, Steel or Extra-Heavy Cast Iron 4" Plastic, Steel or Extra-Heavy Cast Iron P-400
3005-66 6" Plastic, Steel or Extra-Heavy Cast Iron 6" Plastic, Steel or Extra-Heavy Cast Iron P-600
3006 Series - Copper to Cast Iron, Plastic or Steel
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3006-215 2" Copper 1.5" Cast Iron, Plastic or Steel KC-215
3006-32 3" Copper 2" Cast Iron, Plastic or Steel KC-32
3006-43 4" Copper 3" Cast Iron KC-43
3007 Series - Plastic, Steel or Extra-Heavy Cast Iron to Copper
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3007-32 3" Plastic, Steel or Extra-Heavy Cast Iron 2" Copper PK-32
3007-33 3" Plastic, Steel or Extra-Heavy Cast Iron 3" Copper PK-33
3007-43 4" Plastic, Steel or Extra-Heavy Cast Iron 3" Copper PK-43
3007-44 4" Plastic, Steel or Extra-Heavy Cast Iron 4" Copper PK-44
3008 Series - Plastic, Steel or Extra-Heavy Cast Iron to Cast Iron, Plastic or Steel
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3008-32 3" Plastic, Steel or Extra-Heavy Cast Iron 2" Cast Iron, Plastic or Steel PC-32
3009 Series - Thinwall Plastic to Sch. 40 Plastic
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3009-33 3" Thinwall Plastic 3" Sch. 40 Plastic TWP-33
3009-44 4" Thinwall Plastic 4" Sch. 40 Plastic TWP-44
3010 Series - Copper to Tubular
Part No. Pipe Size and Material (A) Pipe Size and Material (B) Mission Equivalent
3010-150 1.5" Copper 1.5" Tubular KT-150
3010-215 2" Copper 1.5" Tubular KT-215

Frequently Asked Questions

Quick answers for application, selection and compliance.

Where should Proflex Couplings be used?

Proflex Couplings are designed for above-ground pipe transitions. They should not be used for underground applications.

What materials can Proflex Couplings connect?

Available series support transitions involving cast iron, plastic, steel, copper and tubular piping. Always confirm the correct part number based on the pipe size and material.

What makes Proflex different from a standard flexible coupling?

Proflex Couplings include a stainless steel shield that helps provide added rigidity and shear resistance for above-ground applications.

Are Proflex Couplings AIS and BABA compliant?

Yes. Proflex Couplings are Made in the USA and AIS/BABA compliant.

What is the installation torque?

Proflex Couplings are installed at 60 in-lbs. Always follow the latest Fernco installation instructions.

Product Support

Need Help Finding the Right Proflex Coupling?

Tell us about the pipe materials, sizes and above-ground application. A Fernco representative can help identify the right Proflex Coupling for your connection.

Contact Us About Proflex