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Discharge Muffler 311-18 | 1 1/8” ID Connection | 3600 kPa SWP | Anti-Corrosion Finish | by Aspen Pumps

BRAND: Aspen Pumps
SKU: 311-18
$208.10 List price: $277.40
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The Discharge Muffler 311-18 is designed for refrigeration and HVAC systems, featuring a 1 1 8” ID connection and a safe working pressure of 3600 kPa.
Technical Specifications
  • Connection size: 1 1/8” ID
  • Lay-in diameter: 310 mm
  • Safe Working Pressure (SWP): 3600 kPa
  • Manufactured to ISO/AS 5149.2
  • Anti-corrosion powder coat finish
  • Solid copper connections
  • Includes SKY safety socket for PRV to prevent refrigerant leakage
  • Oil drain channels to avoid oil logging
  • Dimensions (H x L x W): 150mm x 310mm x 310mm
  • Weight: 5 kg
Key Features
  • Connection: 1 1/8” ID with 310mm lay-in diameter
  • Safe working pressure (SWP) of 3600 kPa
  • Manufactured in accordance with ISO/AS 5149.2 standards
  • Minimal pressure drop to improve plant efficiency
  • SKY safety socket fitted to PRV sockets to prevent refrigerant leakage
  • Anti-corrosion powder coat finish with solid copper connections
  • Utilizes harmonic wave cut principles to reduce noise and smooth discharge pulses
  • Oil drain channels to prevent oil logging
Professional Installation Requirements
  • Installation should be performed by qualified HVAC or refrigeration professionals to ensure compliance with safety and operational standards.
Applications
  • Used in refrigeration and HVAC systems to reduce noise and smooth discharge pulses
  • Suitable for industrial pressure vessels requiring harmonic attenuation
  • Applicable in systems requiring anti-corrosion and leak prevention features
Standards & Compliance
  • Complies with AS/NZS 5149.2 for refrigeration systems and components
Environmental Benefits
  • Reduces noise pollution in industrial environments
  • Prevents refrigerant leakage ensuring environmental safety
  • Improves plant efficiency reducing energy waste
Warranty Information

Standard manufacturer warranty applies; please refer to Aspen Pumps for specific warranty terms.

Available Now

The Aspen Pumps Discharge Muffler 311-18 is available for immediate purchase, ideal for use in refrigeration and HVAC pressure vessel applications.

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