Table of Contents
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IM-P405-46
4057650/5
EMM Issue 5
ABV21i and ABV40i
Air Actuated Boiler Blowdown Valves
Installation and Maintenance Instructions
1. Safety information
2. General product
information
3. Installation
4. Commissioning
5. Operation
6. Maintenance
7. Spare parts
8. Fault finding
© Copyright 2017
IM-P405-46 EMM Issue 5
1
Printed in GB
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Table of Contents
Related Manuals for Spirax Sarco ABV40i
Summarization of Contents
Safety Information
Intended Use and Compliance
Defines the intended applications and compliance with directives.
Site Safety and Preparation
Covers access, lighting, hazardous environments, and system checks before work.
System and Personnel Safety
Details pressure/temperature systems, tools, clothing, permits, handling, and hazards.
Product-Specific Safety and Disposal
Addresses hydraulic locking, product disposal, and return procedures.
General Product Information
Product Description and Availability
Overview of ABV21i/ABV40i valves, actuators, and switch boxes.
Actuator and Switch Box Details
Explains the rack and pinion actuator and limit switch box functions.
ABV21i Pressure/Temperature Limits
Specifies operating limits and design conditions for the ABV21i model.
ABV40i Pressure/Temperature Limits
Specifies operating limits and design conditions for the ABV40i model.
Installation
General Installation Guidelines
Covers pipe alignment, space, suitability checks, and cleanliness.
Fitting Solenoid Assembly
Details the procedure for attaching an MV type solenoid to the actuator.
Switch Box Wiring and Connections
Provides terminal connections and wiring diagrams for switch boxes.
Maintenance
Actuator Maintenance Procedures
Covers general, preventive, and component replacement for the actuator.
Valve Maintenance and Testing
Covers general valve maintenance, seat/seal replacement, and testing procedures.
Switch Box Adjustment
Instructions for adjusting microswitch settings in the switch box.
Spare Parts
Actuator Spare Parts and Kits
Lists available spare parts kits and individual components for actuators.
Valve Spare Parts (DN25-DN50)
Details spare parts for DN25 to DN50 valve sizes.
Valve Spare Parts (DN65)
Lists available spare parts for the DN65 valve size.
Fault Finding
Actuator with Solenoid Valve Issues
Troubleshooting guide for actuator malfunctions with solenoid valves.
Actuator without Solenoid Valve Issues
Troubleshooting guide for actuator malfunctions without solenoid valves.
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