CPVC socket union

CPVC socket union

  • Certificate: UL Listed / FM Approved
  • Standard: UL 1821, ASTM F438, ASTM F439
  • Material: CPVC, inherently flame-retardant
  • Temperature: Max 150°F (66°C), ambinet
  • Color: Orange (RAL 2004)

Product Details

CPVC socket union is a two‑part fitting that provides a serviceable connection point in residential and light commercial fire sprinkler systems.
Each half has a socket end for permanent solvent‑cement welding, creating a molecularly fused, leak‑proof joint. Once assembled, it forms a high‑integrity seal, while allowing easy disconnection for future maintenance or modifications without cutting the pipe.
Made from chlorinated polyvinyl chloride (CPVC), it is inherently flame‑retardant, corrosion‑resistant, and lightweight.

Available size

Size, NPS Size, Ave. OD (mm) Thickness Connection Ref. No.
3/4″ 26.7 Sch40 / Sch80 Socket PL5701 (UL/FM)
1″ 33.4 Sch40 / Sch80 Socket PL5702 (UL/FM)
1-1/4″ 42.2 Sch40 / Sch80 Socket PL5703 (UL/FM)
1-1/2″ 48.3 Sch40 / Sch80 Socket PL5704 (UL/FM)
2″ 60.3 Sch40 / Sch80 Socket PL5705 (UL/FM)

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