Coalescing oil separator

Introduction

A coalescing oil separator is a device used to separate the oil from the water and the other liquids, or to separate the liquids of the different densities, by the coalescence of the droplets, and it is used in the industrial, the marine, the oil and gas, and the many other applications for the separation and the treatment of the liquids. The coalescing oil separator consists of a vessel or a tank with a coalescing media or a filter, an inlet for the mixture, and the outlets for the separated liquids, and it operates by the passage of the mixture through the coalescing media, in which the small oil droplets coalesce into the larger droplets, which then rise to the surface and are separated from the water; the coalescing oil separator is used for the separation of the oil from the water in the bilge water, in the produced water, in the cooling water, in the wastewater, and in the many other applications, for the removal of the free oil and the dispersed oil, for the protection of the environment, for the compliance with the discharge regulations, and for many other applications, and it is available in various configurations and capacities, with features such as the coalescing cartridges, the oil skimming, and the level control; the coalescing oil separator provides an effective and a passive separation of the oil, and it is an essential equipment for the oil-water separation. Coalescing oil separators are used in the marine industry for the bilge water treatment, in the oil and gas industry, in the industrial plants, in the environmental treatment, and for many other applications. With their oil-water separation, coalescing oil separators are essential for the liquid separation.

Coalescing Oil Separator LCOP-T2015

Coalescing Oil Separator operates at a flow rate of 200L/min, efficiently separating oil from water to ensure optimal performance and system cleanliness. It offers real-time monitoring f...

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Coalescing Oil Separator LCOP-T2014

Coalescing Oil Separator operates at a flow rate of 100 operational controls, ensuring easy setup and smooth operation for efficient oil-water separation. The automatic water discharge s...

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Coalescing Oil Separator LCOP-T2013

Coalescing Oil Separator has a flow rate of 50 functioning, ensuring consistent performance without compromising safety. The automatic water discharge removes water from the oil automati...

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Coalescing Oil Separator LCOP-T2012

Coalescing Oil Separator operates with a flow rate of 30 efficiency with minimal user intervention. The unit features non-heated operation, preserving oil quality and preventing additive...

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Coalescing Oil Separator LCOP-T2011

Coalescing Oil Separator operates with a flow rate of 20 tracking of key parameters. Operates with a relatively low noise level, ensuring a quieter environment during use. Our Oil Separa...

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Coalescing Oil Separator LCOP-T2010

Coalescing Oil Separator operates with a flow rate of 10 L/min, efficiently separating oil from water to ensure optimal performance. Features fully automated water discharge, allowing co...

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Standards

IEC 60422:2024-Mineral insulating oils in electrical equipment-Supervision and maintenance guidance

Complies with the above standards, but is not limited to them.

Features

1. Coalescing oil separator for removing oil/aerosol from compressed air or gas streams.

2. Filtration unit with coalescing element that merges fine oil droplets into larger drops for drainage.

3. Suitable for compressed air systems, pneumatic equipment, breathing air and industrial gas purification.

4. Includes housing, coalescing element, differential pressure gauge, drain valve and manual.

5. Removes oil aerosol, water and particulate to achieve high-purity compressed air per ISO 8573.

FAQ

Q1: What testing scenarios is this separator mainly applied to?

A: The coalescing oil separator removes oil aerosol (fine liquid droplets 0.01-1 micron), water, and particulate from compressed air or gas. Coalescing element (fiberglass, borosilicate) captures tiny droplets which merge (coalesce) into larger drops that drain by gravity. Used in compressed air systems (remove compressor lubricant oil from air stream - oil-injected screw/reciprocating compressors produce oil aerosol; coalescer achieves <0.01 mg/m3 oil content for high-quality air), pneumatic equipment (protect valves, cylinders, instruments from oil contamination), breathing air (remove oil/water/particulate for respirator systems - must meet Grade D breathing air (OSHA 1910.134, CSA Z180.1) with additional CO/CO2/odor filtration), painting/coating (oil-free air for paint spraying (oil causes fish-eyes, defects), powder coating), food/beverage/pharma (oil-free compressed air for product contact (ISO 8573 Class 1 oil), instrumentation (control air for analyzers, PLCs - oil damages instruments), and industrial gas (nitrogen, natural gas processing - remove oil/hydrocarbon aerosol). Typically part of compressed air treatment chain: after cooler -> water separator -> coalescing filter -> dryer (refrigerated/desiccant) -> particulate filter -> activated carbon (for odor/vapor). Coalescer efficiency: 99.99% at 0.01 micron typical, residual oil <0.01 mg/m3 (high efficiency) or <0.1 mg/m3 (general purpose). Differential pressure indicates element clogging (replace at 0.8-1 bar dP).

Q2: What standards does the separator comply with?

A: Complies with ISO 8573-1 (compressed air purity - classes for particulate, water, oil; Class 1 oil = <0.01 mg/m3), ISO 8573-2 (oil aerosol testing), ISO 12500 (filters for compressed air - performance testing), OSHA 1910.134 (breathing air Grade D), CSA Z180.1 (breathing air), FDA/EC 1935/2004 (food contact if applicable), CE (PED pressure equipment, EMC), ASME (pressure vessels), and GB/T standards. Hardware meets filtration efficiency (per ISO 12500-1: oil aerosol removal, beta ratio), pressure rating (PN 16/40 bar), differential pressure, drain function (automatic float drain), and material compatibility. For breathing air, additional filtration (CO catalyst, odor filter) and air quality testing required (CO <10 ppm, CO2 <1000 ppm, oil <5 mg/m3 Grade D - note: Grade D allows more oil; higher purity needs more treatment). For food/pharma product contact, use food-grade materials and validate oil content (<0.01 mg/m3). Pressure vessel: PED/ASME if >0.5 bar (housing is pressure vessel).

Q3: What is the warranty period for the whole separator and key components?

A: Whole separator covered 12-24 months. Coalescing element (consumable - replace when dP reaches limit, every 6-18 months depending on oil load), automatic drain (wear - float/electronic drain can fail/clog; clean/replace), O-rings/gaskets (wear - replace), and housing (pressure vessel, 10-20 years) are key. Damage from improper use, exceeding pressure rating (housing rupture - dangerous), not replacing element (high dP, bypass, poor filtration, energy waste), using wrong element (wrong micron/efficiency), water/oil not drained (carryover to downstream), corrosive gas (attacks housing/element - use compatible materials), freezing (water in housing freezes, damages - use dryer upstream or heat), or unauthorized repair of pressure vessel is excluded. Extended warranty available. Element 6-18 months (oil load dependent); drain 1-3 years; housing 10-20 years. Element replacement is main ongoing cost.

Q4: Is this device difficult to operate? Is professional training required?

A: Simple: install in compressed air line (correct flow direction arrow, after aftercooler/water separator, before dryer/equipment), ensure drain valve operational (automatic float drain or manual), monitor differential pressure gauge, replace element when dP reaches 0.8-1 bar (or per manufacturer), drain accumulated oil/water regularly. No professional training required for basic operation, but compressed air safety and breathing air requirements important. Training half day. Safety: PRESSURE VESSEL (housing under compressed air pressure (8-16 bar typical, up to 40 bar) - do not exceed rating, do not open while pressurized (depressurize first), pressure relief valve required, inspect housing for corrosion/certification (PED/ASME), OIL/AIR UNDER PRESSURE (when servicing, bleed pressure completely - oil/air can spray, wear PPE (goggles, gloves)), OIL/WASTE DISPOSAL (collected oil/water condensate is hazardous waste (oil, heavy metals) - do not discharge to drain; use oil-water separator, dispose per regulations (RCRA, local sewer discharge limits)), BREATHING AIR (if used for breathing: must meet Grade D (OSHA) - coalescer alone is NOT sufficient; need CO monitor, odor filter, moisture control; test air quality regularly; failure can cause injury/death), DO NOT BYPASS (bypassing filter allows oil to downstream equipment/product - costly), do not install backwards (flow direction arrow), do not exceed temp rating (element materials have max temp, typically 60-80 C; high temp degrades element), upstream water removal (coalescer works better with bulk water removed first - install water separator before coalescer), automatic drain maintenance (drains clog/fail - clean/test regularly; failed drain causes liquid carryover), for high-purity air (ISO 8573 Class 1): use high-efficiency coalescer (<0.01 mg/m3) + activated carbon filter (for oil vapor, not just aerosol) + dryer, element selection: general purpose (0.1 mg/m3, 1 micron) vs high efficiency (0.01 mg/m3, 0.01 micron) vs sterile (0.01 micron + sterile for food/pharma), energy: clogged element increases pressure drop = energy waste (1 bar dP ~7% compressor power) - replace on schedule, dispose elements as hazardous/industrial waste (oil-soaked).

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Differential pressure gauge calibrate annually (deadweight tester). Routine: monitor dP (replace element at limit), inspect/test drain (monthly - automatic drains can clog), check for leaks (soapy water), and verify oil content (periodically, per ISO 8573-2 oil aerosol test or use oil vapor detector) for critical applications (breathing air, food, pharma). For ISO 8573/breathing air, periodic air quality testing (oil, water, particulate, CO for breathing) required (quarterly/annually per OSHA/CSA). For ISO 17025, maintain gauge calibration records. Element replacement based on dP (not fixed schedule) but at least annually. Pressure vessel inspection (external visual) per PED/ASME (periodically, certified inspector). If dP rises suddenly or oil carryover occurs, replace element immediately.

Q7: Are supporting consumables universal?

A: Coalescing elements are housing-specific (use OEM or certified compatible - Parker, SMC, Festo, Atlas Copco; match micron rating/efficiency, size, O-ring), O-rings/gaskets specific, automatic drain specific or universal, and compressed air fittings universal. Long-term cost: elements (every 6-18 months, $30-$300 each, main expense), drain maintenance, and energy (pressure drop). Element must match housing and required efficiency (wrong element = poor filtration or high dP).

Q8: Can I customize parameters or supporting accessories?

A: Customization includes flow rate (0.5-100+ m3/min), pressure rating (PN 16, 40, 100 bar), element efficiency (general purpose 0.1 mg/m3 / 1 micron; high efficiency 0.01 mg/m3 / 0.01 micron; sterile 0.01 micron for food/pharma), housing material (aluminum (standard), carbon steel (high pressure), stainless 316L (food/pharma/corrosive)), drain (manual, automatic float, electronic timed, zero-loss), features (differential pressure gauge (analog/digital), visual clog indicator, pressure relief valve, mounting bracket, modular (connect multiple stages: particulate + coalescing + carbon), inlet/outlet sizes), certifications (CE/PED, ASME, ISO 8573 compliance, FDA/EC food contact, breathing air Grade D package (CO monitor, carbon filter, regulator)), accessories: spare elements (various efficiency), automatic drain, oil-water separator (for condensate disposal), differential pressure switch, mounting bracket, calibration gauge, breathing air kit (CO monitor, mask fitting), certifications.

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes housing, element, drain, gauge, manual (spare elements separate). On-site installation not required for standard (plumb in line, pressurize, check leaks). On-site training available at additional cost for compressed air system teams. For breathing air systems, commissioning and air quality testing (Grade D) recommended/required by OSHA. Always verify flow direction, drain function, and check for leaks after installation.

Q10: What types of gases/applications are compatible with this equipment?

A: Compatible: compressed air (from oil-injected compressors), nitrogen, and inert gases (with compatible materials). Not compatible: corrosive gases (acids, chlorine - attack standard aluminum/steel elements; use stainless 316L and special element), oxygen (risk of oil ignition in oxygen service - use oxygen-clean, oil-free rated equipment, degreased; standard coalescer NOT for oxygen), flammable gases (natural gas, hydrogen - use explosion-proof, compatible materials, verify), breathing air without additional treatment (coalescer removes oil aerosol but not CO/CO2/odor/vapor - need full breathing air system: aftercooler, coalescer, dryer, CO catalyst, carbon filter, CO monitor, Grade D testing), or gases with high liquid loading without upstream bulk water separator (overwhelms coalescer). For oil-free compressors, coalescer still removes particulate/water but oil load is low. For food/pharma product contact: use food-grade stainless housing, high-efficiency element, and validate oil content (<0.01 mg/m3 ISO 8573 Class 1). Always verify element and housing material compatibility with gas (especially corrosive/oxygen/flammable).