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Philmac IPS-OD Large Bore

Philmac IPS‑OD Large Bore Compression Coupler deliver fast, secure 2″ and 3″ HDPE pipe connections using Slide & Tighten™ technology. No pipe prep, no special tools, and no corrosion risk. Built from advanced thermoplastics and rated to 230 psi, they provide long‑lasting, high‑integrity joints for municipal, irrigation, and rural water systems.

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Large bore IPS‑OD compression coupler for securely joining two HDPE pipes using a Slide & Tighten™ connection.

IPS-OD LARGE BORE (PE x PE)

Product Number Size
77-30888 2″ x 2″
77-3081212 3” x 3”
Large bore IPS‑OD slip coupler designed for repairing or extending HDPE pipelines with a smooth, easy‑install compression joint.

IPS-OD LARGE BORE SLIP (PE x PE)

Product Number Size
77-30988 2″ x 2″
75-3091212 3” x 3”
Large bore IPS‑OD compression tee coupler for branching HDPE pipe in three directions with a durable, high‑pressure connection.

IPS-OD LARGE BORE TEE (PE x PE x PE)

Product Number Size
77-312888 2″ x 2″ x 2″
75-312121212 3” x 3” x 3”
Large bore IPS‑OD female tee coupler featuring a female NPT outlet for connecting HDPE pipe to threaded system components.

IPS-OD LARGE BORE FEMALE TEE (PE x PE x FI NPT)

Product Number Size
75-351332 3/4″ x 3/4″ x 1/2″
75-351333 3/4″ x 3/4″ x 3/4″
75-351334 3/4″ x 3/4″ x 1″
75-351442 1″ x 1″ x 1/2″
75-351443 1″ x 1″ x 3/4″
75-351444 1″ x 1″ x 1″
75-351445 1″ x 1″ x 1-1/4″
75-351552 1-1/4″ x1-1/4″ x 1/2″
75-351553 1-1/4″ x 1-1/4″ x 3/4″
75-351554 1-1/4″ x 1-1/4″ x 1″
75-351555 1-1/4″ x 1-1/4″ x 1-1/4″
75-351556 1-1/4″ x 1-1/4″ x 1-1/2″
75-351662 1-1/2″ x 1-1/2″ x 1/2″
75-351663 1-1/2″ x 1-1/2″ x 3/4″
75-351664 1-1/2″ x 1-1/2″ x 1″
75-351665 1-1/2″ x 1-1/2″ x 1-1/4″
75-351666 1-1/2″ x 1-1/2″ x 1-1/2″
75-351668 1-1/2″ x 1-1/2″ x 2″
Large bore IPS‑OD male adaptor coupler providing a secure transition from HDPE pipe to a male NPT threaded fitting.

IPS-OD LARGE BORE MALE ADAPTOR (PE x MI NPT)

Product Number Size
77-33088 2″ x 2″
Large bore IPS‑OD 90‑degree compression elbow coupler used to redirect HDPE pipelines in high‑pressure systems.

IPS-OD LARGE BORE ELBOW (PE x PE)

Product Number Size
75-31822 1/2″ x 1/2″
75-31832 3/4″ x 1/2″
75-31833 3/4″ x 3/4″
75-31844 1″ x 1″
75-31855 1-1/4″ x 1-1/4″
75-31866 1-1/2″ x 1-1/2″
Large bore IPS‑OD large bore female adaptor used to connect HDPE pipe to a female NPT threaded interface.

IPS-OD LARGE BORE FEMALE ADAPTOR (PE x FI NPT)

Product Number Size
77-33288 2″ x 2″
Large bore IPS‑OD compression end cap coupler for sealing or terminating the end of an HDPE pipeline.

IPS-OD LARGE BORE END CAP (PE)

Product Number Size
77-3498 2″
75-34912 3”
Large bore IPS‑OD 90‑degree female elbow coupler with a female NPT thread for angled transitions to threaded fittings.

IPS-OD LARGE BORE FEMALE ELBOW (PE x FI NPT)

Product Number Size
77-3498 2″
75-34912 3”
Large bore IPS‑OD ACME large bore slip tee for branching HDPE pipe into ACME‑threaded pipe networks.

IPS-OD LARGE BORE ACME SLIP TEE (PE x ACME)

Product Number Size
77-353886 2” x 1-1/2”
IPS‑OD large bore PVC connection kit featuring a grip ring for joining HDPE pipe to compatible PVC pipe systems.

IPS-OD LARGE BORE PVC CONNECTION KITS (Grip Ring Only)

Product Number Size
77-6898 2″
Large bore IPS‑OD large bore ACME elbow designed for secure pipe direction changes compatible with ACME thread systems.

IPS-OD LARGE BORE ACME ELBOW

Product Number Size
77-32386 2” x 1-1/2”

Overview / Why Choose This Product

Philmac IPS‑OD Large Bore Compression Couplings are purpose‑built for large‑diameter 2″ and 3″ IPS‑OD HDPE pipe, delivering strong, reliable, and repeatable mechanical joints with minimal installation effort. Using Slide & Tighten™ technology, installers can assemble couplers quickly with a simple insert‑and‑tighten method that requires no pipe preparation and no force to push the pipe past the seal. This reduces labor time and increases installation consistency across field conditions.

The IPS-OD Large Bore Couplings are engineered with a 230 psi pressure rating, ensuring suitability for demanding cold‑water systems used by municipalities, rural districts, and irrigation operators. Their robust thermoplastic construction is corrosion‑resistant, lightweight, and designed for long‑term performance in buried or above‑ground environments. The fittings also use a visual stop—the flange on the fitting body—to ensure correct tightening and prevent over‑torqueing. With components retained inside the nut assembly, installers benefit from a clean, efficient workflow and less risk of losing parts during trench installations.

IPS-OD Large Bore Key Features

Slide & Tighten™ technology – Simple, repeatable installation with no pipe prep required.

Rated to 230 psi – Built for high‑pressure water systems.

Large bore sizes – Available in 2″ and 3″ HDPE pipe connections.

Visual stop indicator – Flange shows when proper tightening is achieved.

Minimal pipe twist – Engineered to reduce rotation during tightening.

No loose components – Split ring, spacer, and seal retained in nut for easy handling.

Advanced thermoplastic construction – Corrosion‑resistant and lead‑free with long service life.

Can be installed under live conditions – No shutdown required in certain scenarios.

Applications & Benefits

Applications

  • Municipal and utility water systems
  • Rural water distribution
  • Agricultural and irrigation networks
  • Large‑diameter HDPE pipeline repairs
  • Water transfer and pump station connections

Benefits

  • Fast installation – No special equipment, power, or inserts needed.
  • Reliable sealing performance – High‑integrity joints minimize leak risks.
  • Long‑term durability – Corrosion‑free materials ensure decades of service.
  • Installer‑friendly design – Compact size, retained components, and minimal twist.
  • Safe for potable water use – Lead‑free and compliant with North American requirements.

Technical Specifications

Pipe Sizes: 2″ and 3″ IPS‑OD HDPE pipe

Pressure Rating: 230 psi

Material: Advanced lightweight thermoplastics with corrosion resistance

Service Life: 50 years under standard conditions

Approvals: NSF / CSA B137.1 potable‑water compliant (based on IPS‑OD family performance)

Not Recommended For: Hot‑water systems or indoor building use

Installation Guide

  1. Cut the HDPE pipe square.
  2. Insert pipe into the fitting until the first point of resistance.
  3. Tighten nut to the flange—this is your visual stop.
  4. Use a standard wrench; no specialty tools required.
  5. Can be installed under live pressure when needed.

FAQs

What pipe types are compatible IPS-OD Large Bore?

These couplings are designed exclusively for 2″ and 3″ IPS‑OD HDPE pipe.

Do I need pipe inserts or prep?

No. Slide & Tighten™ requires no prep and no force to seat the pipe.

What is the pressure rating of IPS-OD Large Bore?

230 psi for high‑pressure cold‑water applications.