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INSTALLATION,
OPERATION &
MAINTENANCE
GUIDE
Headquarters
291 Hurricane Lane
Williston, VT 05495
TEL: (802) 878-8307
FAX: (802) 878-2479
STYLE 73 & 75
Brazil
Rua Javaés, 441/443
Bom Retiro, Sao Paulo
Brazil CEP 01130-010
TEL: 55-11-3736-7373
FAX: 55-11-3736-7355
Gulf Coast
1719 South Sonny Avenue
Gonzales, LA 70737
TEL: (225) 484-0007
FAX: (225) 341-8922
Texas
Houston
7545 E. Orem Drive
Houston, TX 77075
TEL: (832) 804-7424
Odessa
801 S. Pagewood Avenue
Suite 2, Odessa, TX 79761
TEL: (432) 300-0167
REVISED: September 2022
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Summary of Contents for Flexaseal 73
- Page 1 INSTALLATION, OPERATION & MAINTENANCE GUIDE STYLE 73 & 75 Headquarters Brazil Gulf Coast Texas 291 Hurricane Lane Rua Javaés, 441/443 1719 South Sonny Avenue Houston Williston, VT 05495 Bom Retiro, Sao Paulo Gonzales, LA 70737 7545 E. Orem Drive Brazil CEP 01130-010...
- Page 2 The Style 75 is a dual back-to-back stationary cartridge seal with a stationary multi-spring inboard seal. Seal styles 73 and 75 can also be configured with a pumping ring, giving them the designation of 73P and 75P. This guide, in addition to the manuals provided by the pump manufacturer and the manufacturer of any auxiliary equipment, should be read in its entirety prior to installation.
- Page 3 Installation, Operation, & Maintenance Guide Style 73 & 75 PREPARATION edges, and set screw damage using fine emery • Verify that equipment has been properly cloth. Wipe clean. shut off and rendered inoperative according to plant safety protocol (e.g. lockout/tagout Avoid making flat spots or reducing the procedures).
- Page 4 Installation, Operation, & Maintenance Guide Style 73 & 75 VERIFICATION Successful operation of a Style 73 or Style 75 seal is contingent on conforming equipment dimensions and alignment. Verify the following prior to continuing: Figure 2: Shaft Runout Figure 3: Bearing Fit...
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Page 5: Seal Installation
Installation, Operation, & Maintenance Guide Style 73 & 75 SEAL INSTALLATION Style 73 & 75 double cartridge seals entail the same preparation section. simple installation procedure as other Flexaseal 4. Lightly lubricate the seal sleeve O-ring with a cartridge seals. Ensure alignment verification of suitable and compatible lubricant. - Page 6 The following steps briefly describe the methods in which a buffer/barrier system should be piped and set up to support a double cartridge seal. Consult Flexaseal for specific applications and details. 1. Correctly make connections between the buffer/barrier fluid system and the mechanical seal according to the connection labels on the prints.
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Page 7: Before Starting The Equipment
Installation, Operation, & Maintenance Guide Style 73 & 75 BEFORE STARTING THE EQUIPMENT 1. Ensure the pump shaft is properly aligned at 6. Ensure all plumbing and venting for the seal the coupling with the motor. and seal support system are free of obstruction and that the chamber is filled with liquid. -
Page 8: Removing The Seal
Installation, Operation, & Maintenance Guide Style 73 & 75 DECOMMISSIONING EQUIPMENT When decommissioning equipment it is important to ensure that the pump has been fully isolated from the process and power sources for personnel safety. Pressure and fluid should be fully released before disassembly of the equipment is to begin. - Page 9 Installation, Operation, & Maintenance Guide Style 73 & 75 Style 73 & 75 DIMENSIONAL DATA (INCH) Page 8 of 10...
- Page 10 Installation, Operation, & Maintenance Guide Style 73 & 75 Style 73 & 75 DIMENSIONAL DATA (METRIC) Page 9 of 10...
- Page 11 SEAL PRODUCTS Flexaseal Engineered Seals and Systems, LLC (hereinafter referred to as "FAS") warrants that new goods manufactured by FAS (with the exception of "wear parts" or consumables all of which are not warranted) will be free from defects in material and workmanship (the “Warranty”).