Elster AL-425 Diaphragm Meter

The Elster AL-425 Diaphragm Meter is a high-precision gas meter designed to deliver accurate and reliable performance for larger residential, small commercial, and light industrial applications. Featuring a diaphragm-based measurement system, it ensures smooth operation, exceptional accuracy retention, and minimal maintenance over its lifespan. The rugged construction and innovative design make it ideal for demanding environments, while optional features such as temperature compensation and remote volume pulsers enhance its versatility.

The meter is built to industry standards, ensuring safety, reliability, and compliance with ANSI B109.1 and Measurement Canada requirements. With its advanced engineering, tamper-resistant security seals, and compatibility with AMI/AMR systems, the AL-425 stands out as a trusted solution for precise gas measurement.

Specifications:

• Manufacturer: Elster American Meter

• Model: AL-425 Diaphragm Meter

• Body Material: Die-cast aluminum with polyester primer and high-solids polyurethane topcoat.

• Working Temperature: -30°F to 140°F (-34°C to 60°C)

• Working Pressure: Maximum Allowable Operating Pressure (MAOP): 10 PSIG (690 mBar) or 25 PSIG (1724 mBar)

• Flow Capacity: 425 SCFH (12.0 m³/h) with 0.60 specific gravity gas at 1/2-inch W.C. differential

• Connections:

  • 7” or 8.25” center-to-center connections

  • Options for 20 LT, 30 LT, 45 LT, and other configurations

• Index Options:

  • Pointer or odometer index

  • Pressure-compensating indexes

  • Standard or UV-protected index covers

• Additional Features:

  • Temperature compensation available

  • AMI/AMR compatibility

  • Remote volume pulsers and connection sets available