Industrial Gaskets Handbook   View PDF Institutional Video
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The new generation of sealing materials:
Biaxially expanded PTFE.    View PDF



How to use a proper sealing system for rotary shaft applications
Rotary shaft seals are a common component in almost every chemical or petrochemical plant. Due to increasingly stringent emission regulations and the need to improve reliability the choice of the best suitable sealing system is of great importance for the plant operators. In this paper an overview will be given about which criteria should be considered. It is based on literature research and on a survey by plant operators as well as manufacturers of such sealing systems.
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Experimental behavior of bolted joints
The work is an attempt to verify whether the new gasket constants theory, developed by the PVRC to help in the design of bolted flanges, can be used to predict the actual field behavior of a bolted joint using a non-metallic gasket in conjunction with standard Class 150 and Class 300 flanges.    View PDF

"Advanced PTFE packing yarns" - paper on the occasion of Valve World 2002
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Determination of design gasket assembly stress with new constants - exact method
The paper proposes and describes a direct approach for calculating the assembly stress to be applied to a gasket using the new gasket constants concept. It also proposes the introduction of the exponent "d" for calculation of the Tightness Parameter as a fourth constant in addition to "Gb", "a" and "Gs" and the utilization of the actual gasket diameter in the calculation of the same Tightness Parameter.    View PDF



Spiral wound gaskets with PV370
Comparative testing of a Mica-Graphite based material to be used as a filler for Spiral Wound Gaskets.    View PDF

Edmonton

Hopewell Business Park
#4,  3110-51 Avenue NW
Edmonton, AB   
T6P 0E1

P 780.463.4049
F 780.461.7009
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Calgary

Building B - Bay 25
2419 52 Avenue SE
Calgary, AB     
T2C 4X7

P 403.279.7007
F 403.279.7992
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