Est. 2006 · Blainville, Québec

Custom made sewn valve and pipe boot assemblies.

APTD designs and manufactures custom valve boot assemblies (VBA) and pipe boot assemblies (PBA) for cryogenic cold box and air separation unit applications — supplied worldwide for new plant construction and cold box upgrades.

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Supplied To
Praxair Air Liquide Air Products Linde Air Gas Matheson
Who We Are

Located in the greater Montreal Area, formed in 2006.

APTD Inc. — Advanced Products & Technology Development — has, since inception, focused primarily on supplying cryogenic service valve boot assemblies to the air separation industry and to valve OEMs, for both new plant construction and plant upgrades. Every boot assembly is custom manufactured to fit the installation, and includes all parts required for a complete cold box installation of any size.

APTD valve boot assembly with heavy-duty brass zipper

Custom Design

Custom-designed CSPE boots with heavy-duty brass zipper and double zipper flaps.

Easy to Install

Install replacement boots in less than an hour without disassembling valve actuators.

Compatibility

Compatible with cold boxes from Praxair, Air Liquide, Air Products, Linde, Air Gas, Matheson and others.

Complete Kits

Our cryogenic service valve boot assemblies include all parts required for a complete cold box installation of any size.

Product Line

Valve & pipe boots, custom-built to your installation.

Every boot is designed and patterned to the specific valve or pipe it's fitted to — available in a range of configurations to suit the casing and extension geometry.

Standard with Ring Collar Boot, with valve extension split collar
Standard with Ring Collar Boot, without valve extension split collar
Witches Hat with Brim Boot, with valve extension split collar
Witches Hat with Brim Boot, without valve extension split collar

Available styles include:

  • Standard with Ring Collar Boot — conical/concentric or conical/eccentric
  • Witches Hat with Brim Boot — conical/concentric or conical/eccentric
  • Cylindrical
  • Special transition, for non-standard geometry

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Have an installation you need boots for?

Send us your cold box or valve details and we'll evaluate the best solution and provide a quote.

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