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4057050/4
Automatic or Manually Actuated
PN/M
automatically
actuated
M
manually
actuated
BBV Automatic or Manually Actuated Boiler Blowdown Valves
IM-P405-54 EMM Issue 4
Boiler Blowdown Valves
Installation and Maintenance Instructions
DN15 - DN50
BBV
1. Safety information
2. General product information
3. Installation & commissioning
4. Maintenance of the actuator
5. Maintenance of the valve
6. Spare parts
IM-P405-54
EMM Issue 4
© Copyright 2021
1
Printed in France
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Summarization of Contents
Safety Information
Intended Use
Specifies the intended applications and conditions for product use.
Access
Ensures safe access and working platform before maintenance.
Lighting
Requirement for adequate lighting during detailed or intricate work.
Hazardous Liquids or Gases in the Pipeline
Consideration of hazardous substances in the pipeline.
Hazardous Environment Around the Product
Assessment of risks from the surrounding environment.
The System
Evaluating the impact of proposed actions on the overall system.
Pressure Systems
Ensuring isolation and safe venting of pressure systems.
Temperature
Considerations for temperature normalization and protective clothing.
Tools and Consumables
Ensuring availability of suitable tools and consumables for work.
Protective Clothing
Requirement for protective clothing against various hazards.
Permits to Work
Procedures and requirements for obtaining permits before starting work.
Handling
Guidelines for safe manual handling of products to prevent injury.
Residual Hazards
Awareness of potential hazards from product surfaces and non-draining features.
Freezing
Measures to protect products from frost damage.
Disposal
Procedures and considerations for product disposal and recycling.
Returning Products
Requirements for providing hazard information when returning products.
General Product Information
General Description
Overview of the BBV valve's design and functionality.
Size and Pipe Connections
Details on available valve sizes and connection types.
Technical Data
Key technical specifications including temperature, pressure, and connections.
Materials (Parts 1 to 15)
List and material specification for valve components 1-15.
Materials (Continued) (Parts 16 to 42)
List and material specification for valve components 16-42.
Capacities
Information on valve flow capacities at different pressures and sizes.
Pressure/Temperature Limits
BBV43 Pressure/Temperature Limits - EN 1092
Operating limits for BBV43 valves with EN 1092 flanges.
BBV43 Pressure/Temperature Limits - ASME
Operating limits for BBV43 valves with ASME flanges.
BBV43 Pressure/Temperature Limits - JIS/KS
Operating limits for BBV43 valves with JIS/KS connections.
BBV63 Pressure/Temperature Limits - EN 1092
Operating limits for BBV63 valves with EN 1092 flanges.
BBV63 Pressure/Temperature Limits - ASME
Operating limits for BBV63 valves with ASME flanges.
BBV63 Pressure/Temperature Limits - JIS/KS
Operating limits for BBV63 valves with JIS/KS connections.
BBV83 Pressure/Temperature Limits - EN 1092
Operating limits for BBV83 valves with EN 1092 flanges.
BBV83 Pressure/Temperature Limits - ASME
Operating limits for BBV83 valves with ASME flanges.
BBV83 Pressure/Temperature Limits - JIS/KS
Operating limits for BBV83 valves with JIS/KS connections.
Installation and Commissioning
Check Materials, Pressure and Temperature
Verify material, pressure, and temperature ratings against system requirements.
Remove Protection Covers
Remove protective covers and film before installation.
Installation Situation and Fluid Flow Direction
Ensure correct valve orientation and fluid flow direction during installation.
Bypass Arrangements
Recommendations for installing bypass arrangements for maintenance.
Support Pipework
Importance of supporting pipework to prevent stress on the valve body.
Ensure Adequate Space
Provide adequate space for actuator removal during maintenance.
Isolate Connecting Pipework
Isolate and clean connecting pipework to prevent debris ingress.
Open Isolation Valves Slowly
Gradually open isolation valves to achieve normal operating conditions.
Check for Leaks and Correct Operation
Perform checks for leaks and ensure correct valve operation after installation.
Ensure TDS Value Compliance
Verify TDS value compliance with boiler instructions.
Maintenance of the Actuator
Disassembly of the Actuated System
Step-by-step procedure for disassembling the actuator system.
Assembly of the Actuated System
Procedure for reassembling the actuator system after servicing.
Maintenance of the Valve
General - ASME Class 300 and EN 1092 PN40
General maintenance overview for specific valve classes.
Removal of Valve Bonnet
Procedure for safely removing the valve bonnet for maintenance.
Replacement of PTFE Gland Packings
Instructions for replacing PTFE gland packings.
Replacement of Graphite Gland Packing
Instructions for replacing graphite gland packing.
Removal and Refitting of Valve Plug/Stem Assembly and Seat
Procedure for removing and refitting the valve plug, stem, and seat.
Refitting the Bonnet
Detailed steps for correctly refitting the valve bonnet.
General - ASME Class 600 and EN 1092 PN100
General maintenance overview for specific valve classes.
Removal of Valve Bonnet
Procedure for safely removing the valve bonnet for maintenance.
Replacement of PTFE Gland Packings
Instructions for replacing PTFE gland packings.
Replacement of Graphite Gland Packing
Instructions for replacing graphite gland packing.
Removal and Refitting of Valve Plug/Stem Assembly and Seat
Procedure for removing and refitting the valve plug, stem, and seat.
Refitting the Bonnet
Detailed steps for correctly refitting the valve bonnet.
Spare Parts
Spare Parts - ASME Class 300 and EN 1092 PN40
List of available spare parts for ASME Class 300 and EN 1092 PN40.
Spare Parts - ASME Class 600 and EN 1092 PN100
List of available spare parts for ASME Class 600 and EN 1092 PN100.
Spare Parts for the BBV Actuator
List of available spare parts for the BBV actuator.
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