Hydro Flex Hose (Western) Limited
  9624-45 Ave, Edmonton AB T6E 5Y9
(780) 436-9271 Fax: (780) 436-8601

Pipe Penetration Seals

The Pipeseal Waterseal provides an economincal and sure method of sealing pipes and conduit through walls and floors for 20 psig. Choice first starts with materials. Three types of rubber, and two types of metal hardware are available. For most applications, EPDM is the proper choice, but Nitrile is best if the seal may be exposed to hydrocarbons. Stainless steel hardware can also be used in areas where corrosion is a tougher problem. And Silicone is the choice for high temperature applications. (currently not shown in the table below.) After choosing materials, you determine which model and how many links will be needed. Assistance can be provided, or the sizing program below can be used.

Type & Materials

E EPDM Glass Reinforced Plastic Steel zinc dichoromate -40 to +250 Suitable for most applications in water, both above ground and direct burial. Provides electrical insulation where cathodic protection is required.
ES EPDM Glass Reinforced Plastic 316 Stainless Steel -40 to +250 Suitable for environments where the corrosion resistance of stainless steel hardware is required.
N NITRILE Glass Reinforced Plastic Steel zinc dichoromate -40 to +210 Resistant to most hydrocarbons, oil, gas, jet fuel, and many solvents.
NS NITRILE Glass Reinforced Plastic 316 Stainless Steel -40 to +210 Same as above but with the corrosion resistance of stainless steel hardware.

Models & Dimensional Information

Pipeseal Size Free State
Thickness (in)
Expanded State
Thickness (in)
Chord Length
PS-200 0.50 0.62 1.125
PS-275 0.62 0.78 0.910
PS-300 0.71 0.88 1.51
PS-315 0.82 1.03 1.47
PS-325 0.94 1.18 3.1
PS-400 1.43 1.81 3.625
PS-425 1.13 1.45 3.625
PS-475 1.62 1.90 2.625
PS-500 2.37 2.81 3.86
PS-525 2.18 2.5 3.86
PS-575 1.18 2.35 3.1
PS-600 3.20 4.0 6.0
1. Wrap the belt
around the pipe.
Then connect
the first and last
2. Slide the
assembly into
the space
between the pipe and wall
3. Gradually
and sequentially
tighten the bolts.
Tighten each
bolt 2-3 turns
making 5 to 9
passes com-
pletely around
the pipe.

Information and Specifications courtesy of  www.flexicraft.com