Flowserve RO - User Manual

Installation
Instructions
Experience In Motion
Dual Pressurized Seals
Dual RO, RO-TT, PTO, PT, RO-PTT,
BRO, BRT, MRO, MRT, and other
component seals
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.

Summary

Equipment Check

Safety Regulations

Follow plant safety regulations prior to equipment disassembly, including PPE and lockout procedures.

Disassembly Procedure

Disassemble equipment per manufacturer's instructions to allow access to the seal installation area.

Seal Removal and Cleaning

Remove existing sealing arrangement and thoroughly clean the seal chamber and shaft.

Surface Inspection and Preparation

Inspect surfaces for pits or scratches and break sharp corners on shaft steps and other features.

Dimension Verification

Shaft and Seal Specifications

Shaft Runout

Check shaft runout against manufacturer specifications, typically not exceeding 0.05 mm TIR.

Shaft Endplay

Ensure shaft endplay does not exceed 0.25 mm TIR, regardless of thrust bearing type.

Radial Bearing Play

Check radial bearing play at the seal chamber face per specifications for bearing type.

Seal Chamber Squareness

Shaft-to-Chamber Concentricity

Surface Finish Requirements

Adhere to specified surface finish requirements for housing, bore, and shaft sealing surfaces.

Operational Recommendations

Barrier Fluid Supply

Maintain a constant supply of clean barrier fluid, pressure at least 15 psig greater than product pressure.

Startup Procedure

Do not start up equipment dry; vent air from pump and seal chamber before startup.

Troubleshooting

Flowserve RO Specifications

General

Brand	Flowserve
Model	RO
Category	Racks & Stands
Language	English