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Flowserve CPM Series Installation Instructions Manual
Flowserve CPM Series Installation Instructions Manual

Flowserve CPM Series Installation Instructions Manual

Dual, cartridge mounted, flexible stator pusher seal designed for general service applications

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CPM Series
Dual, cartridge mounted, flexible stator pusher
seal designed for general service applications
CPM PP
1
Equipment Check
1.1
Follow plant safety regulations prior to equipment disassembly:
1.1.1
Wear designated personal safety equipment
1.1.2
Isolate equipment and relieve any pressure in the system
1.1.3
Lock out equipment driver and valves
1.1.4
Consult plant Safety Data Sheet (SDS) files for hazardous material regulations
1.2
Disassemble equipment in accordance with the equipment manufacturer's instructions
to allow access to seal installation area.
1.3
Remove existing sealing arrangement (mechanical seal or otherwise).
Clean seal chamber and shaft thoroughly.
1.4
Inspect surfaces under gaskets to ensure they are free from pits or scratches. Break all sharp
corners on shaft steps, threads, reliefs, shoulders, key ways, etc. over which gasket(s) must
pass and/or seal against.
1.5
Check shaft or sleeve OD, seal chamber bore, seal chamber depth, gland pilot, stud diameter,
stud bolt pattern and distance to first obstruction to ensure they are dimensionally the same
as shown in the seal assembly drawing.
1.6
Check seal assembly drawings for any modifications (reworks) to be made to the equipment
for mechanical seal installation and act accordingly.
1.7
The equipment must be earthed to prevent sparks due to static electricity discharge.
Experience In Motion
Installation
Instructions

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Summary of Contents for Flowserve CPM Series

  • Page 1 Installation Instructions CPM Series Dual, cartridge mounted, flexible stator pusher seal designed for general service applications CPM PP Equipment Check Follow plant safety regulations prior to equipment disassembly: 1.1.1 Wear designated personal safety equipment 1.1.2 Isolate equipment and relieve any pressure in the system 1.1.3...
  • Page 2 The above values apply to shaft speeds in the range from 1000 to 3600 RPM. For values above and below, consult your Figure 1 Flowserve representative. See Figure 1. Shaft endplay should not exceed 0.25 mm (0.010 inch) TIR, regardless of thrust bearing type. See Figure 2.
  • Page 3 Description The CPM PP seal is a cartridge mounted mechanical seal, designed for ease of installation and reliable operation. No seal setting dimensions are required. Rotatable setting devices provide proper alignment. The flexible stator design compensates for inadvertent misalignment of the seal chamber face. Multiple springs provide uniform face loading and are external of the pumpage, resisting clogging or hang-up.
  • Page 4 Note: No seal setting measurements are needed to install the CPM PP seal. Instructions are for vertically split case end-suction ANSI pumps. Modification of the procedure may be required for other style pumps. Consult Flowserve. 2.1 Tools needed for installation: •...
  • Page 5 Install the pump back plate (seal chamber) and bolt it in place on the bearing frame. See Figure 8. Position the CPM PP with the gland tight against the seal chamber face. Turn the gland so that the barrier taps are positioned so that the associated piping will clear the bearing frame.
  • Page 6 The Flowserve Supply Tank is designed to work with the CPM PP seal to form a self-contained sealing system. The circulating feature in the CPM PP seal provides a positive barrier fluid flow from the seal cavity to the Supply Tank and back to the seal.
  • Page 7: Operational Recommendations

    However, do not expose the CPM PP materials of construction to products outside of their corrosion limits. Consult your Flowserve Sales and Service Representative for assistance. Do not exceed the Pressure limits of the CPM PP seal, consult Flowserve, Flow Solutions Division for assistance.
  • Page 8 This product is a precision sealing device. The design and dimension tolerances are critical to seal performance. Only parts supplied by Flowserve should be used to repair a seal. To order replacement parts, refer to the part code and B/M number. A spare backup seal should be stocked to reduce repair time.

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Cpm pp