CO2 Pressure Testing Pump
Overview
Carbon dioxide test pumps are essential tools for verifying the pressure integrity of CO2-based systems, commonly used in commercial refrigeration and industrial applications. These pumps simulate operating conditions to detect leaks or weaknesses in sealed environments. Unlike standard air compressors, they are engineered to handle CO2's unique properties, including high-pressure phases and low-temperature behavior. Modern CO2 test pumps often integrate digital gauges and automated shut-off features, aligning with industry demands for precision and safety. They play a critical role in preventing system failures, particularly in transcritical CO2 refrigeration where pressures can exceed 100 bar.
Structure and Working Principle
A typical CO2 test pump consists of a compression chamber, dual-stage pistons, pressure regulators, and reinforced hoses. The pump draws CO2 from a supply cylinder and compresses it to the target pressure (usually 50–150 bar for refrigeration tests). High-end models include thermal compensation to account for CO2's temperature-dependent pressure characteristics. The working principle involves creating a closed-loop system where pressurized CO2 circulates through the test unit while monitoring for pressure drops. Some advanced pumps feature data logging capabilities, allowing technicians to document pressure curves over time for compliance reporting or troubleshooting.
Key Features
Corrosion-resistant materials like 316L stainless steel are standard for wetted parts due to CO2's tendency to form carbonic acid in moist conditions. Seals often use PTFE or Kalrez to prevent degradation. Portability is another critical feature, with many pumps weighing under 20 kg for field service use. Safety features include burst discs set at 110% of maximum working pressure and automatic depressurization valves. Some industrial-grade pumps offer explosion-proof motors for hazardous environments. Ergonomic designs with quick-connect fittings reduce setup time during repetitive testing procedures.
Application Areas
Primary applications include commissioning and maintenance of CO2 refrigeration systems in supermarkets, cold storage facilities, and food processing plants. The automotive industry uses these pumps for testing CO2-based air conditioning in electric vehicles. Industrial gas suppliers employ them for cylinder and pipeline certification. In HVAC, CO2 test pumps verify geothermal heat pump loops that use CO2 as a working fluid. Emerging applications include testing carbon capture and storage (CCS) equipment, where pressure integrity is critical for preventing greenhouse gas leaks.
Maintenance and Precautions
Regular maintenance involves inspecting seals every 500 operating hours and replacing them at the first sign of wear. Lubrication should use only CO2-compatible greases to prevent chemical reactions. Moisture is a major concern – always use CO2 gas with ≤20 ppm water content to avoid internal icing. Safety protocols mandate working in ventilated areas due to CO2's asphyxiation risk. Technicians should wear pressure-rated gloves and face shields during testing. Always depressurize the system before disconnecting hoses, and never exceed the pump's rated maximum pressure.
B2B Procurement Guide
When sourcing CO2 test pumps, evaluate the pressure range needed for your specific applications – cascade systems may require 180+ bar capability. Verify third-party certifications like PED 2014/68/EU for European markets or ASME BPVC for North America. Consider total cost of ownership: pumps with aluminum bodies may be cheaper initially but require more frequent maintenance than stainless steel units. For large-scale operations, semi-automatic pumps with remote monitoring can reduce labor costs. Leading manufacturers include CPS, RefTech, and Yellow Jacket, with lead times typically 4–8 weeks for custom configurations.
Related Manufacturers
- 主营：电动泵、手动泵、液压油缸、试压泵、千斤顶、液压系统
- 主营：注水泵、循环泵、清洗泵、试压泵、高压泵、隔膜泵、计量泵、油田专用泵、注水采油泵、油田增压泵、注水往复泵、高压水射流泵、超高压除锈泵
- 主营：增压泵、气动加压泵、气体增压设备、二氧化碳增压泵、气体增压泵、气液增压泵、气体充装设备、气驱增压泵、耐压实验台、气动增压设备、氢气增压机、氮气增压机、矿用注液泵、气动注液泵、矿用增压泵、氧气增压泵、甲烷增压泵、氙气增压泵、空气增压泵、天然气增压泵、氯气增压泵、稀有气体增压泵、微型气体增压泵、超高压增压泵、高压气体增压泵
- 主营：高压清洗泵、高压柱塞泵、高压泵、高压试压泵、二氧化碳泵、高压往复泵、油田注水泵、高压除磷泵
- 主营：分体式增压缸、储气罐、气气增压系统、试压泵、气液增压泵、冷媒增压泵、空气增压泵
- 主营：气体增压泵、气液增压泵、空气增压泵、二氧化碳泵、气体增压系统、气液增压系统、氧气增压泵、气体加压泵、气动加压泵、氢气增压泵、气液加压泵、压力容器测试系统、压缩空气增压泵、安全阀校验台、PLG气液增压系统、气体增压单元、冷媒增压泵、空气放大器、氮气增压泵、气动增压系统、水压测试系统、气密性测试系统、爆破测试系统、脉冲测试系统、瓶阀测试系统、水压试验台
- 主营：cetro天然气、空气增压阀、气液增压泵、试压泵、气体增压泵、空气增压泵、耐震超高压表、注塑机气辅设备
- 主营：增压设备、气体增压机、电动增压机、试压泵、氦气增压泵、电动增压泵、立式电动泵、电动充氮车、立式充氮车、氮气增压泵、不锈钢增压泵、蓄能器充氮车、高效充氮增压机、立式电动氮气泵、电动氮气增压机
- 主营：超高压、冲毛机、铝模板、试压泵、拉毛机、混凝土、清洗机、换热器、高压水、柴油驱动、疏通清洗、高压清洗、锅炉管道、电机驱动、管道清洗、船体除锈、管道疏通、除锈除漆、清洗设备、钢坯除磷、电驱动高压、水除磷系统、水喷砂除锈、冷凝器管道、下水道疏通、反应釜清洗
- 主营：气瓶检测设备、水压试验设备、压力检测设备、压缩空气试压泵、气瓶自动化设备、阀门流量流阻系数试验、呼吸阀校验台、压力表校验台、安全阀校验台、流量计壳体水压试验机、阀门水压试验机、气瓶充装设备、测试台、爆破机、试验机、压缩机、疲劳机、增压泵、呼吸器
- 主营：空气炮、矿用洒水降尘装置、滑移装载机属具、柱塞试压泵、矿用刮板机配件、洒水喷枪、矿山设备配件
- 主营：二氧化碳吸收剂氢氧化钙、皮带硫化机、胶带修补器、一氧化碳吸收剂
- 主营：无极绳绞车配件、阻燃编织袋、矿用门、电动试压泵、矿山机械设备
- 主营：单体液压支柱、无压风门、避难硐室门、4DSY电动试压泵、锚杆钻机、刮板输送机、调度绞车、提升绞车、回柱绞车、耙矿绞车、固定式矿车、侧卸式矿车、电机车、液压式坑道钻机、自动隔爆装置、水泥轨枕、扒渣机、矿用平板车、给煤机、喷浆机、道岔、空气呼吸器、防跑车装置、小型挖掘机、气动锚杆钻机
- 主营：煤矿氧气呼吸器、全液压坑道钻机、直读式粉尘测定仪、二氧化碳吸收剂、矿用乳化液泵配件、矿用钻机配件、煤矿消防救护、氧气测定器、灾区电话、氢氧化钙、煤矿绞车、煤矿注浆泵、矿用孔板流量计、轨道道口板、自动苏生器、空气呼吸器、氧气充填泵、消防破拆工具、道口板、消防救护器材、煤矿井下用自动隔爆装置、泄露通讯装置、抱索器
- 主营：方孔螺旋钻、电动玻璃吸盘车、玻璃安装机械手、电动试压泵、液压拔管机、回收式喷砂机、移动式喷砂机、箱式喷砂机、龙门压力机、短管置换设备、移动式洗车槽、卷盘喷灌机、智能张拉设备、智能压浆台车、车载马路吹风机、智能清淤机器人、车载式绿篱修剪机、扫雪滚刷、车载式护栏清洗机、电动液压扳手、管道内壁喷涂器、中部取样器、玻璃吸盘、树叶收集车、智能钢管套丝机、全自动升降柱
- 主营：矿用风门、钻孔轨迹仪、钻孔定向仪、硫化机电动试压泵厂家、测斜仪、矿用钢丝绳探伤仪、矿用掘进机、矿用采煤机、矿用装载机、刮板机、输送机、给煤机、绞车、矿车、混凝土搅拌机、混凝土输送泵、喷浆机、履带钻机、潜孔钻机、单体液压支柱、防爆风机、钻孔成像仪、铁路钢轨、变压器、螺旋支柱
- 主营：无压风门、防水密闭门、防火栅栏门、试压泵、瓦斯稀释器、洗靴机、孔板流量计、防回火装置、瞬变电磁仪、井下电视、振动放矿机、矿用摄像仪、音视频记录仪、矿用平板车、固定式矿车、翻斗式矿车、气动绞车、调度绞车、启闭风门绞车
- 主营：液压耐压实验台、超高压软管、超高压手动泵、高压水压试压泵、高压阀件
- 主营：公路工程试验检测仪器、沥青试验仪器、混凝土试验仪器、电动试压泵、水泥检测仪器、砂浆试验仪器、建筑材料检测仪器、水利工程检测仪器、质检中心检测仪器、中心实验室仪器设备、防水卷材检测仪器、土工合成材料检测仪器、土工试验仪器、土壤检测仪器
- 主营：矿用设备、铁路设备、救援设备、电动试压泵、防爆电器、仪器仪表、路面机械、工程机械