ACP Condensate Pump for Ametek Chillers

Overview

The ACP Condensate Pump (Model ACP-ASR25) is a precision-engineered peristaltic pump designed exclusively for integration with Ametek’s line of chiller-based gas sampling and conditioning systems—particularly the Ametek ASR series chillers used in continuous emissions monitoring (CEMS), ambient air quality stations, and industrial process gas analysis. Its primary function is the reliable, unidirectional removal of condensed moisture from heat exchangers within chilled gas sample lines. Operating on the principle of positive displacement via rotor-driven compression of flexible tubing, the ACP-ASR25 eliminates condensate accumulation without risk of backflow or cross-contamination—a critical requirement when maintaining sample integrity for trace-level gas analysis (e.g., SO₂, NOₓ, CO, VOCs). Unlike gravity drainage or passive siphoning, this pump ensures active evacuation even under high-dew-point conditions (>10 °C), where condensation rates are elevated and viscosity increases due to dissolved solutes or particulate load.

Key Features

• Peristaltic pumping mechanism with chemically resistant silicone or Viton® tubing (tubing type specified per application); eliminates valves, seals, and internal wetted metal parts—minimizing maintenance and contamination risk.
• Maximum flow rate of 0.25 L/h (±5% repeatability at nominal voltage), calibrated for consistent performance across variable ambient temperatures (5–40 °C) and supply voltages (12–24 VDC).
• Integrated mounting interface compatible with Ametek ASR25, ASR35, and ASR50 chiller units—enabling direct installation onto heat exchanger drain ports without external adapters or plumbing modifications.
• Fail-safe design: self-contained operation requires no external pressure source or vacuum; pump stops automatically if tubing occlusion or blockage is detected (via motor current monitoring in OEM-integrated control logic).
• Low-power consumption (<2.5 W), enabling deployment in remote or solar-powered monitoring stations compliant with IEC 61000-6-2 EMC standards.

Sample Compatibility & Compliance

The ACP-ASR25 is validated for use with aqueous condensates containing typical CEMS-derived constituents—including dilute sulfuric acid (H₂SO₄), nitric acid (HNO₃), ammonium sulfate ((NH₄)₂SO₄), and sub-micron particulate matter. It meets material compatibility requirements per ASTM D471 for elastomer resistance to acidic condensates. While the pump itself is not an analyser, its integration supports compliance with EPA Method 205 (condensate management in extractive sampling), EN 15267-3 (performance certification of CEMS components), and ISO 16140-2 (validation of auxiliary sampling devices). No CE marking applies to the pump as a standalone component; final system-level conformity is the responsibility of the CEMS integrator per EU Directive 2014/30/EU (EMC) and 2014/35/EU (LVD).

Software & Data Management

The ACP-ASR25 operates as a hardware-level peripheral without embedded firmware or digital communication interfaces (e.g., RS-485, Modbus, or Ethernet). Its status is monitored indirectly through the host chiller’s PLC or CEMS controller, which logs run-time hours, fault flags (e.g., “tubing wear alert”), and duty cycle via discrete 0–10 V analog output or dry-contact relay signals. When deployed in FDA-regulated environments (e.g., pharmaceutical stack testing), audit trails for pump operation—including start/stop timestamps and maintenance records—are maintained within the overarching CEMS software platform, supporting 21 CFR Part 11 electronic record requirements when paired with validated data acquisition systems.

Applications

• Continuous emission monitoring systems (CEMS) for coal-fired power plants, waste incinerators, and cement kilns—where accurate dew point control prevents analyzer drift and corrosion.
• Ambient air monitoring networks (AAMNs) operating under ISO 12039 and EN 14625 protocols, requiring stable sample dew points ≤−5 °C for UV photometric ozone (O₃) and chemiluminescent NOₓ detection.
• Industrial hygiene sampling trains used for workplace exposure assessment (OSHA Method 0500/0501), where condensate carryover could compromise sorbent tube recovery.
• Calibration gas delivery systems requiring moisture-free reference standards—especially for FTIR and cavity ring-down spectroscopy (CRDS) applications sensitive to water vapor interference.

FAQ

Is the ACP-ASR25 certified for hazardous area use (e.g., ATEX or IECEx)?
No—this pump is rated for general-purpose indoor use only (IP20 enclosure rating). For Zone 1/2 installations, it must be housed in an approved purge cabinet or located outside the classified zone with extended drain tubing.
What is the recommended tubing replacement interval?
Under continuous operation at 25 °C ambient, silicone tubing should be replaced every 6 months; Viton® tubing extends service life to 12 months. Visual inspection for cracking or flattening is advised prior to each quarterly preventive maintenance cycle.
Can the pump be retrofitted to non-Ametek chillers?
Mechanical mounting is specific to Ametek ASR-series chillers. Retrofitting to third-party chillers requires custom bracketing and validation of condensate backpressure tolerance (<0.3 bar)—not supported by default.
Does the pump require calibration?
No routine calibration is required. Flow rate verification may be performed annually using gravimetric measurement (ASTM D3244) against a certified volumetric flask and analytical balance (±0.1 g resolution).