Spirax Sarco KE73 User Manual

IM-S24-25
Issue 1 - 2008
© Copyright 2008
3.563.5275.210
Series K
DN125, DN150 and DN200 Control Valves
Installation and Maintenance Instructions
1. Safery informations
2. Operation
3. Installation and commisioning
4. Maintenance
5. Spares
The PED Directive 97/23/EC is repealed and replaced by the new
PED Directive 2014/68/EU with effect from 19 July 2016.

Spirax Sarco KE73 Specifications

General

Brand	Spirax Sarco
Model	KE73
Category	Control Unit
Language	English

Summary

Safety Informations

Intended Use

Confirms product suitability for intended application and compliance with PED directives.

General Safety and Operational Precautions

Covers access, lighting, hazardous environments, system effects, pressure, temperature, tools, clothing, and permits.

Handling, Residual Hazards, and Disposal

Guidelines for safe handling, hot surfaces, freezing, disposal, and product returns.

Operation

General Description and Technical Details

Overview of KE valve characteristics, maximum pressure and temperature ratings.

Nomenclature

Identification of KE 73 SG Iron and KE 43 Cast Steel valve types.

Installation and Commissioning

Installation Procedures

Details on valve positioning, pipe flushing, flange fitting, and bolt tightening.

Bypass Arrangements and Commissioning

Recommendations for bypass installation and commissioning referencing actuator instructions.

Maintenance

Procedure for Renewing Stem Seals

Step-by-step guide for replacing valve stem seals, including torque specifications.

Procedure for Renewing Valve Stem, Plug and Seat

Procedures for replacing the valve stem, plug, and seat with torque chart.

Procedure for Renewing Valve Stem

Detailed instructions for replacing the valve stem component.

Spare Parts

Available Spares and Ordering

List of available spares for DN150/200 KE43/KE73 valves and ordering instructions.