Poly Insert Couplings

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Buy Poly Insert Couplings, Reducing Couplings by Spears and More

If you’re looking for PVC or poly insert couplings, reducing couplings or poly-stretch repair couplings for polyethylene pipe, check out our top-rated brands like Spears, American Granby and Dawn Industries.

Our Spears PVC plastic insert fittings are designed for use with either ASTM D 2104 Schedule 40 or D 2239 SIDR pressure-rated polyethylene pipe. They’re also manufactured from the highest-quality PVC materials to meet or exceed the applicable requirements of ASTM D 2609, Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe.

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Get Poly Insert Pipe Couplings, Reducing Pipe Couplings by Spears, Etc.

Need poly or PVC insert couplings, reducing couplings or poly-stretch repair couplings for irrigation pipe? Check out our top-rated insert couplers for polyethylene pipe from top brands like Spears, American Granby and Dawn Industries.

Spears

Spears’ PVC plastic insert fittings are designed for use with either ASTM D 2104 Schedule 40 or D 2239 SIDR pressure-rated polyethylene pipe. Manufactured from the highest-quality PVC materials, these signature grey fittings meet or exceed the applicable requirements of ASTM D 2609, Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe.

Like Spears’ other plastic insert fittings for poly irrigation pipe, their couplings and reducing couplings also feature special spiral barbs. Allowing twist-on connection of hose or pipe without the need for clamping, they’ve become indispensable in open-end irrigation applications.

Chemical- and corrosion-resistant as well, they’re also certified by NSF International for use in potable water systems.

Here’s a roundup of the insert coupling and reducing insert coupling models we carry by Spears:

Spears - 1" X 3/8" Insert Reducing Coupling - Insert X Spiral Barb

Spears - 3/4" X 3/8" Insert Reducing Coupling - Insert X Spiral Barb

  • Specially designed nominal 3/8-inch barb configurations allow connection of pipe Insert fittings to conventional ½-inch polyethylene irrigation hose.

Spears - PVC Reducing Insert Coupling - Insert X Insert

Spears - PVC Reducing Insert Coupling - Insert X Insert

American Granby

If you need to fix polyethylene irrigation pipe, we also carry American Granby’s Poly-Stretch Repair Coupling. Avoid digging and buckled pipe with this super-strong coupling made of ABS, designed for irrigation operation pressures of polyethylene pipe and more.

Other features include:

  • O-Ring seal made of Buna 70
  • Pressure rating of 160 PSI
  • Available in the following sizes: ¾", 1”, 1 ¼", 1 ½", 2”

Dawn Industries

The KwikAdapt line of insert fitting products offers fast, secure connections to swing pipe. The barb and spike combination keeps the swing pipe in place, even under pressure surges.

Key benefits include:

  • Faster to install
  • Save on labor cost
  • Strong and convenient
  • Barb and spike design

We carry the following KwikAdapt poly insert couplings:

Dawn Industries - KwikAdapt Poly Coupler Adapter 1" PE x Swing

Dawn Industries - KwikAdapt Poly Swing/Funny Coupler

Looking for other insert fittings? We also offer the following:

Blazing - Fast Fitting - 1" Insert Stretch Coupler

Blazing - Fast Fitting - 1" Clampless Standard Coupler

  • Blazing Fast Fittings require no tools, clamps, or other materials
  • Slips into the pipe quickly and easily. Patented lock ring technology slides back to lock the fittings into place
  • Double O-Ring seal prevents leaks and provides a secure fit
  • Tested in the field by contractors for over a year, Blazing Fast Fittings are ready for your next installation

Spears - PVC Male Adapter - Insert X MPT

  • Available in the following sizes: ½", ¾", 1”, 1 ¼",1 ½", 2” and 3”

In situations where you need significantly more resistance to heat and flexibility, polypropylene insert fittings can be a better choice than rigid PVC. That’s why we also offer Spears Polypropylene Reducing Male Insert Adapter - MPT X Spiral Barb.

This clamp-free, spiral-barb irrigation hose insert adapter features a special spiral barb. The barb allows "twist-on" connection of hose without need for clamping in open end irrigation applications.

  • Available in the following sizes: ½" X 3/8” and ¾" X 3/8”

Spears - PVC Reducing Male Insert Adapter - MPT X Insert

  • Available in the following sizes: ¾" X ½", 1” x ¾", 1 ¼" x 1”, 1 ½" x 1”, 1 ½" x 1 ¼" and 2” x 1 ½"

Spears - PVC Reducing Male Insert Adapter - Insert X MPT

  • Available in the following sizes: ¾" x ½", 1” x ¾", 1 ¼" x 1”, 1 ½" x 1”, 1 ½" x 1 ¼" and 2” x 1 ½"
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