CAC – Odorant Injection Systems

Welker Odorant Injection Systems are industry leading for safe, accurate, and emission-free spiking of odorant into natural gas streams.
CAC GAS supplies a range of options from full turnkey solutions to small, lightweight portable systems. Systems can be offered with zero emissions technology and both pump and pumpless systems.
Spare parts and accessories are also available including probes, monitors, eliminators, and spill kits.

CAC-ECOsystem™ – Odorant Injection Systems

The Welker ECOsystem™ Pumpless Vapor Injection System is turnkey odorization system for proportional to flow natural gas odorization in low, high, and variable flow conditions for locations with a regulated pressure differential.

Welker Original triple solenoid systems—with a low flow, high flow, and backup solenoid—are ideal for locations with wide variations in flow rate.

• Maximum Injection Pressure: 500 psig
• Maximum Allowable Operating Pressure: 1500 psig
• Maximum Flow Rate (@ 0,75 lb/MMscf): 2 MMscfh
• Electrical Connection: 120ADC, 24VDC
• Odorant Tank Volume:
  • 20 US Gallons (75 L)
  • 60 US Gallons (227 L)
  • 120 US Gallons (454 L)
  • 250 US Gallons (946 L)
  • 500 US Gallons (1892 L)

CAC-ECOsystem™ Liquid – Odorant Injection Systems

The ECOsystem™ Liquid Pumpless Injection System is based on the zero-emission design of our standard ECOsystem™ and incorporates the accuracy and verification of the Accu/Line™ family of smart odorant injection systems. The proven technology of the ECOsystem™ eliminates the use of pipeline gas as the instrument supply. And with no methane released during normal operation, this odorization system helps you reach emissions reduction targets.

• Materials of Construction: 316/316 L Stainless Steel, Painted Carbon Steel, PTFE, Kalrez®, Viton®
• Ambient Temperature: -4°F to 120°F
• Power: DC 24V, AC 120 V
• Injection Outlet Connection: ¼” Tubing
• Injection Pressure: Up to 200 psig
• Odorant Inlet Pressure Required: 15 psig – 50 psig
• Flow Rate: 5 mscfh – 10 mscfh
• Tank Volume: 60, 120, 250, 500, 1000 US Gallons

CAC-PulseInject™ – Odorant Injection Systems

Welker’s patent pending pumpless, pressure-driven odorant injection system is a complete solution for proportional to flow odorization for flow rates from 25 Mscfh up to 8 MMscfh and pipelines with a maximum allowable operating pressure of 1480 psig.

• Materials of Construction: 316/316 L Stainless Steel, Painted Carbon Steel, PTFE, Kalrez®, Viton®
• Ambient Temperature: -4°F to 120°F
• Power: DC 24V, AC 120 V
• Injection Outlet Connection: ¼” Tubing
• Injection Pressure: Up to 1480 psig
• Odorant Inlet Pressure Required: 15 psig – 50 psig
• Odorant Volume: 120, 250, 500, 1000 US Gallons

CAC-Accu/Line™ Zero Emissions

Reduce methane emissions with Welker’s proven technology! The design of the Accu/Line™ Zero Emissions includes all the key features of the Accu/Line™ family of smart odorant injection systems but eliminates the use of pipeline gas as the instrument supply, meaning no natural gas is released during normal operation.

This Accu/Line™ is a turnkey odorant injection system designed to inject liquid odorant proportional to flow into natural gas pipelines with flow rates from 10 Mscfh up to 70 MMscfh.

• Materials of Construction: 316/316L Stainless Steel, Anodized Aluminum, Kalrez®, and PTFE
• Power: Electro-hydraulic Unit (EHUC): AC 110 V, 60 Hz, 1 Phase, 7.5 A, ½ HP
• Injection Outlet Connection: ¼” Tubing
• Instrument Gas Connection: 3⁄8″ Tubing
• Odorant Inlet Connection: 3⁄8″ Tubing
• Vent Connection: 3⁄8″ Tubing
• Odorant Inlet Pressure Required: 10 psig-50 psig
• Tank Volume: 120, 250, 500, 1000 US Gallons
• Injection Volume: 0,5-10cc, 10-150cc
• Ambient Temperature: – 20°F to 120°F
• Operating Pressure: 1800 psig

CAC-Accu/Line™- Odorant Injection Systems

Welker’s Accu/Line™ turnkey natural gas injection odorization solution for flow rates from 10 Mscfh up to 7 MMscfh  and a maximum operating pressure of 1800 psig.

CAC-Accu/Line Hi™- Odorant Injection Systems

Welker’s Accu/Line™ Hi turnkey natural gas injection odorization solution for flow rates from 50 Mscfh up to 70 MMscfh  and a maximum operating pressure of 1800 psig

CAC-Accu/Line Lo™ – Odorant Injection Systems

Giải pháp tạo mùi phun khí tự nhiên chìa khóa trao tay Accu/Line™ Lo của Welker cho tốc độ dòng chảy từ 1 Mscfh đến 720 Mscfh và áp suất vận hành tối đa là 1800 psig.

CAC-Portable Odorizer – Portable Liquid Injection Odorizer

Welker’s compact portable injection odorizer is your safeguard against emergency interruptions to operation. The Portable Odorizer provides temporary, time-based odorization for flow rates up to 6.5 MMscfh and pipelines with a maximum operating pressure of 2000 psig.

• Application: Liquid Odorant Injection
• Utility Requirements: Pneumatic Supply: For Pump Operation, Pneumatic Supply: For Blanket Pressure
• Electrical Connections: DC 24V
• Injection Volume:
  • BIP-1: 0.5–3 cc
  • BIP-3: 1–9 cc
• Maximum Allowable Operating Pressure: 2000 psig @ -20 °F to 120 °F
• Electrical Area Classification: NEC Class I, Div. 1

Data sheet

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