INTRODUCTION

An odorizer is a device that adds an odorant to the gas. The most common type is one that adds a mercaptan liquid into natural gas distribution systems so that leakage can be readily detected. Other types is used for carbon dioxide fire extinguishers.

For the highest volume systems (and for some smaller one), liquid injection odorizers are being used. This equipment work by adding small amounts of liquid odorant to the moving gas. A pump that can be controlled to give the range of necessary rates is a very important aspect of this type. Computer monitoring system for controlling flow rates and high injection rate is a significant part of the more modern version. Previous versions worked off a variety of schemes to control the odorization level.

STANDARDS

• Design: ASME Section VIII D.I, IGS-M-PM-101(0).
• Materials and Specifications: ASME Section II
• Pipe Flanges and Flanged Fittings ASME B16.5
• Forged Fittings, Socket-Welding and Threaded: ASME B16.11
• Gas Transmission And Distribution Piping System: ASME B31.8
• Pressure Piping: ANSI B31.3

TECHNICAL FEATURES

• Discharge Pressure: Up To 300psi
• Main Gas Flow Rate : Up To 300,000 SCMH
• Capacity: 300 lit to 10,000 lit
• Pressure Class: #150/#300
• Standard Temperature: -20°C to 60°C
• Odorant Specification: Mercaptan
• Pump Type: Solenoid – Pneumatic – Positive Displacement.
• Input Signal: 4 to 20 mA