FUSIBLE PLUG TESTING UNIT – USER MANUAL

FUSIBLE PLUG TESTING UNIT – USER MANUAL

Manufacturer: Pyramid Precision Engineering (India) Pvt. Ltd.
Customer: O.M.S Motors Pvt. Ltd.


1. INTRODUCTION

The unit is designed to test the melting point temperature of fusible plugs used in safety and pressure relief systems.


2. WORKING PRINCIPLE

The fusible plug is screwed into a heated steel disk with a ½ NTP thread.

  • The disk heater raises the temperature, controlled by a PID controller with a K-type thermocouple.

  • When the solder melts, it drops into a crucible, triggering a balance mechanism.

  • The system freezes the temperature reading at the exact melting point.


3. TECHNICAL DETAILS

ParameterSpecification
Power Supply240V AC, 6A, 50Hz
HeaterRing Type, 500W, 230V
Temperature ControlSelec PID 500-3-00
Freezing UnitSelec TWIX-2 (PLC-based)
ThermocoupleK-Type
Plug MaterialNaval Brass
SolderZn-Sn Alloy
Female PortionCarbon Steel
CrucibleStainless Steel
Disk FrameStainless Steel

 


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