Part Number: 07-100-2B
A carbon stator is connected to the rubber below and 'floats' around the shaft. The face of the carbon is finished to a flatness of 4 helium light bands and provides a water tight seal when pressed against the stainless steel rotor.
The high density, resin impregnated carbon/graphite stator is a space age composite that is first mixed, molded and then formed under pressure. The blanks are then baked, machined and lapped. The face of our carbon is finished to a flatness of 4 helium light bands (measured .000044" of variation over entire lapped surface). The grade of carbon used in the PSS has an operating temperature over 500° Fahrenheit (+260° Celsius), and cannot melt if the seal runs dry, unlike a rubber lip seal or plastic face seal. The high density of the carbon greatly increases the longevity and wear resistance. Several commercial vessels have recorded over 40,000 (over 4-1/2 years of continuous operation) engine hours on the same, original components. The carbon should not need to be replaced under normal operating conditions.
No problems got exactly what I ordered in a reasonable time thanks
I ordered a un-keyed shaft flange from PYI but didn't see that my shaft was keyed. Also it appeared that when I ordered the flange bore as 1 inch, I was sent a 1.25 inch bore.
After talking with Miles at PYI, I was told to send the incorrect shaft flange back for a correct 1 inch bore, keyed flange. No hassles, no issues, just send it back and they will send out the correct one. My opinion of PYI is that they want to ensure you have the correct solution to your need.
Web site easy to use order placed and received as ordered in a timely manner
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