Modular Mechanical Seals

APS offers a faster pipe sealing method than your everyday caulk, grout, or mastic with USA manufactured Innerlynx® Modular Mechanical Seals. Innerlynx® are used in a systematic approach for installers to easily seal the annular space between the carrier pipe and the ID of a wall penetration.

Innerlynx® are also designed to absorb vibrations, shocks and sound waves and act as a sound dampener while electrically isolating the carrier pipe from the penetrated structure.

Innerlynx® are made from synthetic rubber with industrial strength U.S. manufactured pressure plates and are available in more sizes than offered by any other U.S. manufacturer. APS offers 21 different sizes for all pipe diameters ranging from 1/2″ to 144″ and form a hydrostatic seal up to 40 psig and up to 92.28 feet of head pressure. Innerlynx® are available in five different types for various applications.

 Model UL

UL Approved 3-hour fire-rated Proprietary Silicone

Suitable for fire-resistant applications, which is the only UL-approved modular mechanical seal on the U.S. market.

 Model C

Standard EPDM

Suitable for most standard applications including above ground projects and direct underground burial in wet conditions.

 Model L

Low Durometer EPDM

Suitable for conduit, insulated pipe, copper pipe, or thin-walled pipe.

Model O

Oil, Gas, & Fuel Resistant Nitrile

Suitable for most hydrocarbons, oils, hydraulic fluids, jet fuels, gasoline, chemicals, and solvents.

Model T

Extreme Temperature Silicone

Suitable for extreme temperatures up to 400°F.

Wall Sleeves

Advance Products & Systems offers a variety of wall sleeves: Gal-vo-plast® coated steel, HDPE lightweight Infinity® wall sleeves, External Mount Split Wall Sleeves, and other materials. APS Wall Sleeves are designed to mate with Innerlynx® seals for leak free performance. Each model is available with our water stop that anchors the sleeve to prevent thrust movement and ensure positive water sealing.

  • Designed for concrete poured barriers to construct a circular penetration through walls, floors and ceilings

  • Manufactured with a 2″ water stop to provide a better seal than a core drilled hole

  • Pipe can easily be repaired without damaging the wall

  • In absence of wall sleeves, mechanical/utility piping vibration can cause costly wall damage

  • wall sleeve
  • aps product

Various Applications

  • Cased Road Crossings

  • Cased Railroad Crossings

  • Bridge Pipeline Crossings

  • Public Works

  • Waste Water Treatment Plants

  • Manholes & Precast Concrete

  • Offshore Platforms

  • Berms & Dikes around Tank Farms

  • Electrical Isolation for Corrosion Protection

  • Hospital Mechanical

  • Quiet Rooms

  • Fire Walls

  • Boiler Rooms

  • Aquariums

  • HVAC Systems

  • Wall, Floor & Ceiling Penetrations

  • Electronic Equipment Rooms

  • Plumbing – Commercial & Residential


  • Swimming Pools

  • Decorative Fountains

  • Septic Tanks

  • Pumps & Tanks

  • Power Plants

  • Power Generation Dams

  • Ship Bulkheads

  • High-Pressure Tank Guards

  • Parking Garage Column Protectors

  • Vibrations, Shock & Sound Dampening

Innerlynx® Test Ports

APS manufactures a patent pending pressure monitoring port that is integrated into the Innerlynx® Modular Mechanical Seal assembly. This test port will not jeopardize the integrity of the sealing capability, unlike other testing methods. APS Test Ports are used to test or monitor the operating pressure of an Innerlynx® application. APS only supplies the test port.

  • 1/8” National Pipe Thread (NPT) nipple TIG welded to the head side

  • Requires the use of a deep well socket to install

  • Rated at 40 psig, tested at 92 feet of head pressure

  • Constructed of 316 Stainless Steel

UL Rated 3 hour fire stop  INNERLYNX®

Call Us

We’re just a phone call away

Email Us

Send us a message anytime

Signup for Our Newsletter

By submitting this form, you are consenting to receive marketing emails from: . You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact