Dry Gas Seal Operation, Maintenance, Installation and Commissioning
Introduction
Dry Gas Seal Operation, Maintenance, Installation and Commissioning
Course Objectives
The primary objective of this Dry Gas Seal System, Installation, Working Principle, Operation & Troubleshooting training course is to empower professionals with—
- in-depth understanding and detailed information about dry gas seals, including their installation, commissioning, operation and maintenance
- the required understanding of challenges and precautionary measures to be undertaken when working with dry gas seals, thus preventing hazards and losses to the organisation
- adequate experience and knowledge to train other professionals on effectively working with dry gas seals
- an enhanced perspective and eye for detail to audit existing equipment and machinery and identify the need for maintenance and/or repair of dry gas seals
- the ability to contribute to organisational growth through reduced maintenance and repair costs
- the required understanding of international standards and benchmarks of safety and operations to ensure that the seals are used as intended
- an enhanced skill set and capabilities to work with dry gas seals in any industry, thus not feeling restricted to one industry alone
Who Should Attend?
- Senior members of an organisation responsible for taking all critical decisions regarding expenses on machinery and other equipment
- Engineers and other professionals working with dry gas seals
- Managers and leads overseeing end-to-end operation involving dry gas seals
- Compliance officers responsible for ensuring that all equipment and practices adhere to the required standards
- Suppliers and vendors of dry gas seals who need to understand utility in an industrial setting
- Any other professional who would like to know more about dry gas seals
Course Outline
The Dry Gas Seal System, Installation, Working Principle, Operation & Troubleshooting course covers the following topics for thoroughly understanding dry gas seals:
Module 1 – Types of Dry Gas Seal Configurations
- Single seal
- Tandem seal
- Double opposed seal
- Separation seal
Module 2 – Storage and Protection of Dry Gas Seals
- Dry storage place
- Prevention from radiation, heat, steam and ozone
- No use of corrosion protection agents
- Re-qualification of seal cartridge before installation
- Protection of spare gaskets from heat sources
Module 3 – Basic Installation Pre-Requisites
- Follow plant safety regulations
- Secure mixer or agitator shaft
- Remove coupling and/or drive
- Remove existing seal assembly
- Remove burrs and sharp edges
- Check shaft and vessel flange requirements
- Check assembly drawing
- Check shaft OD, vessel flange bolt size, bolt circle and distance to coupling/drive
- Handle seal assembly with care
- Pressure testing
Module 4 – Steps in Dry Gas Seal Installation
- Equipment check
- Seal installation
- Dry gas supply
- Seal piping
- Seal operation
- Repairs
Module 5 – Seal Operation Guidelines
- Maintain dry gas supply pressure
- Do not exceed maximum barrier pressure
- Do not exceed maximum vessel pressure
- Do not exceed maximum vessel temperature
- Do not exceed seal material corrosion limits
Module 6 – Sources of Dry Gas Seal Contamination
- Process gas
- Bearing lubrication oil
- Seal gas supply
Module 7 – Dry Gas Seal System Improvements
- Seal gas filter system
- Operation range of seal system instruments
- Seal gas booster
- Burst-alert for rupture disc
- Flowmeter on secondary vent
- Differential pressure on any seal stage
- Additional flowmeters on the primary vent for double-checking
Module 8 – Common Modes of Dry Gas Seal Failure
- Contamination
- Condensation
- Misalignment
- Explosive decompression
- Reverse pressurisation
- Reverse rotation
- Failure at transient conditions
Module 9 – Causes of Leaking Losses
- Ill-fitting sealing elements
- Installation faults
- Construction faults
- Wear and tear
- Ageing
- Equipment failure
- Sealing element contamination
- Excursions out of normal process conditions
- Poor maintenance procedures