Imperial Seals Pressure Inverting Pedestal
Materials: Temp. Range
Urethane -54°C to 105°C
Hytrel® -54°C to 149°C
Nylon -30°C to 93°C
Highly Saturated Nitrile -40°C to 160°C
LIP Rings
Nitrile -40°C to 120°C
Viton®/Fluorocarbon -26°C to 204°C
PTFE -268 °C to 232°C
LIP PIP
Product Description:
Pressure Inverting Pedestals are designed to convert a loaded U-cup into a bi-directional seal for high pressure applications.
The LIP profile is rectangular in shape which makes it compatible with both Quad loaded U-cups and O-ring loaded
U-cups. The PIP ring design is only functional in conjunction with a O-ring loaded U-cup. For gland dimension and design
information, please contact a Hi-Tech Seals’ representative.
PTFE Back-up rings can function as a LIP ring for beveled loaded U-cups in low to medium pressure applications. Consult
a Hi-Tech Seals’ representative before substituting.
Part Numbers:
___ ___ ___ - ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
LIP C/S I.D. Material if other than Urethane
PIP
Example: PIP 2500 3000 - Urethane PIP Ring, 1/4” C/S, 3” I.D., 3 - 1/2” O.D.
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