Coalescing Filters, Regulators, and Lubricators

We supply all of your coalescing filters, regulators, and lubricators through trusted suppliers. These are listed below according to manufacturer.

Finite Filter offers a complete line of compressed air and gas filtration items. The International H-Series is the right solution for most air/gas applications.

Housings are available with oil removal (coalescing), particulate and oil vapor removal elements.

Finite also offers over 2000 competitor interchange elements. Saving you money and improving your compressed air and gas system is Finite’s goal.

Ohio Valley Industrial Services - Manufacturers- Parker Hannifin

Compressed Air and Gas Dryers

Parker's Finite Operation offers both Desiccant and Membrane Air Dryers.

Finite Desiccant Dryers are the simplest and most reliable method of ensuring your sensitive pneumatic equipment is not exposed to damaging moisture.  The dryers are engineered for easy desiccant change outs, longer life, and lower pressure drop.

Finite Membrane Dryers utilize hollow fiber membrane technology as an alternative to pressure swing and refrigerant dryer technologies.  These dryers are engineered for easy installation, minimal maintenance, and long term reliability.  10 models are available to supply clean, dry compressed air with dew points as low as -40°F at 10 SCFM and +35°F at 40 SCFM.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air and Gas Dryers

Compressed Air and Gas- Up to 800 PSIG

Finite’s M-Series compressed air and gas filters with their machined aluminum heads and drawn aluminum bowls are compatible with special gases such as argon, hydrogen, compressed natural gas and helium.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air and Gas

Conversion Elements- Par Fits

  • Special UNI-CAST design
  • Over 2500 conversion elements available
  • Coalescing, particulate and adsorption filter elements
  • High efficiency filtration, low operating costs, long life and high quality
  • Most competitor conversions available
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Conversion Elements

Drains, Gauges, and Accessories

Compressed Air & Gas- Up to 232 PSIG- Zero Loss Drains

Finite’s zero loss condensate drains are designed for economical removal of unwanted water, oil, emulsions, and other liquids. These drains will only open when liquid is present and will not allow compressed air to escape from the system.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air and Gas

Finite Absorber/Coalescing/Particulate Filters up to 500 PSI

Compressed Air Filters- Up to 500 PSIG- Finite H Series

Remove oil, water, and particulate contamination from your compressed air with Finite’s H-Series Compressed Air Filters.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air Filters

Finite Air Preparation Unit- FRLS

Finite Filters, Regulators and Lubricators offer…

  • Five micron standard
  • Solid piston and balanced poppet regulators
  • Two and three piece combos
  • Micro-mist lubricators
  • FRL connection sixes from ¼” NPT to 1½” NPT
  • Flows to 310 SCFM
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Finite Air Preparation Units- FRLS

Finite Dual- Stage Breathing Air Filters

Dual-Stage Compressed Air Filters- BA Series

This two-stage filter is designed to be used as a point-of-use breathing air filters.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Dual-Stage Compressed Air Filters

Finite Vacuum Exhaust & Silencer Filters

Exhaust Coalescing Silencer- Up to 100 PSIG

Finite’s Exhaust Coalescing Silencers are 99.97% efficient at removing the oil aerosols from air and also act as a silencer to lower the dBA levels to below O.S.H.A. requirements.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Exhaust Coalescing Silencer- Up to 100 PSIG

Finite High Capacity Filter Vessels

Compressed Air & Gas- Up to 185 PSIG- ASME Vessels

Finite’s large capacity ASME filter vessels have been designed specifically for our coalescing elements and incorporate large sump capacities and generous exit cavities for maximum performance with low differential pressures.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air and Gas- Up to 185 PSIG- ASME Vessels

Finite HX-Series Compressed Air Filters- 230 to 290 PSI

Compressed Air Filters- HX Series

Parker Finite’s HX Series removes submicroscopic contaminates from compressed air systems to remove contamination and avoid damage to equipment and finished goods downstream.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Compressed Air Filters- HX Series

Finite Water Separators

WS Series Water Separators

WS Series Water Separators High Efficiency Bulk Liquid Removal WS Series Water Separators have been designed for the efficient removal of bulk liquid contamination from compressed air.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- WS Series Water Separators

Instrumentation Filters

Finite Instrumentation and gas sampling filters offer…

  • Coalescing, particulate and adsorption elements
  • Disposable in-line filters with optional hose barb connections
  • Connections to 1” NPT
  • Flows from «1 SCFM to 170 SCFM
  • Pressures to 5000 PSIG


Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- Instrumentation Filters

Pressure Regulators

IR4000 Series Single-Stage, General Purpose Pressure Regulator

The IR4000 Series regulator offers high pressure capability with an inlet pressure up to 4,000 psig. Its large, convoluted Hastelloy® C-22 diaphragm provides stable pressure control and corrosion resistance. Close tolerances and tight alignment of moving components minimize hysteresis and improve cycle life.

Product Features:

  • Unique compression member loads the seal to the body without requiring a threaded nozzle or additional seals.
  • Internally threadless design reduces particle generation; low internal volume reduces purge times.
  • Positive upward and downward stops increase cycle life by preventing over stroking of the diaphragm.
  • Selection of seat materials for media compatibility and temperature applications.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR4000 Series Single-Stage, General Purpose Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR4000 Series Single-Stage, General Purpose Pressure Regulator Drawing
IR5000 Series Single-Stage, High Sensitivity Pressure Regulator

When precise outlet pressure control is a must, Parker’s IR5000 Series is the solution. The single-stage, high-sensitivity regulator handles pressures up to 3,500 psig. Corrosion resistance is no problem with its large, convoluted Hastelloy® C-22 diaphragm. Close tolerances and tight alignment of moving components minimize hysteresis and improve cycle life.

Product Features:

  • Unique compression member loads the seal to the body without requiring a threaded nozzle or additional seals.
  • Internally threadless design reduces particle generation; low internal volume reduces purge times.
  • Positive upward and downward stops increase cycle life by preventing over stroking of the diaphragm.
  • Selection of seat materials for media compatibility and temperature applications.

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR5000 Series Single-Stage, High Sensitivity Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR5000 Series Single-Stage, High Sensitivity Pressure Regulator Drawing
IR6000 Series Two-Stage, General Purpose Pressure Regulator

With an inlet pressure up to 4,000 psig, Parker’s IR6000 two-stage regulator offers high pressure capability with stable pressure control. This general-purpose series features a large, convoluted Hastelloy® diaphragm that provides high corrosion resistance. Close tolerances and tight alignment of moving components minimizes hysteresis and improves cycle life.

Product Features:

  • Unique compression member loads the seal to the body without requiring a threaded nozzle or additional seals.
  • Internally threadless design reduces particle generation; low internal volume reduces purge times.
  • Positive upward and downward stops increase cycle life by preventing over stroking of the diaphragm.
  • Selection of seat materials for media compatibility and temperature applications.
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR6000 Series Two-Stage, General Purpose Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR6000 Series Two-Stage, General Purpose Pressure Regulator Drawing
735/NPR735 Series Two-Stage, Tied Diaphragm Regulator

The two-stage, tied diaphragm design of Parker’s 735 Series regulator provides constant outlet pressure regardless of inlet pressure fluctuations. Corrosive or hazardous gases are shut off in the event a leak across the seat occurs. Unique compression member loading eliminates threads in the wetted area, thus reducing particle entrapment. For sub-atmospheric pressure control, a negative pressure 735 regulator (NPR735) is available.

Product Features:

  • Tied Diaphragm for added safety
  • Unique compression member loads the seal to body eliminating threads in the wetted area
  • Metal-to-metal diaphragm-to-body seal assures high leak integrity
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- 735/NPR735 Series Two-Stage, Tied Diaphragm Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- IR6000 Series Two-Stage, General Purpose Pressure Regulator Drawing
ABP1 Series Back Pressure Regulator

Designed with versatility in mind, Parker’s ABP1 regulator controls inlet, upstream or back pressure in an instrument or analyzer system. Its materials of construction make it suitable for applications where corrosive media and / or environments are present.

Product Features:

  • Standard Hastelloy C-22® diaphragm for superior strength and corrosion resistance
  • Convoluted diaphragm provides outlet pressure stability with changes in flow
  • Integral diaphragm stop provides an additional safety measure
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- ABP1 Series Back Pressure Regulator Drawing
ABP3 Series Back Pressure Regulator

Designed with versatility in mind, the ABP3 Series regulator offers precise control of inlet, upstream, or back pressure. Its large, convoluted diaphragm ensures greater sensitivity of outlet pressures. Standard Hastelloy® diaphragm construction makes it ideal for harsh applications where corrosive media / environments are present.

Product Features:

  • Standard Hastelloy C-22® diaphragm for superior strength and corrosion resistance
  • Convoluted diaphragm provides outlet pressure stability with changes in flow
  • Integral diaphragm stop provides an additional safety measure

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- ABP3 Series Back Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- ABP3 Series Back Pressure Regulator Drawing
APR66 Series Single-Stage, High-Pressure Regulator

The Parker APR66 is a high pressure-reducing, single-stage regulator designed to operate at inlet pressures up to 6,000 psig. A full range of pressure sensing can be achieved without time-consuming spring and piston changeouts.

Product Features:

  • Piston Sensing
  • Thrust bearing allows low actuating torque and precise setability
  • Low friction adjusting screw sleeve provides smooth operation
  • Optional self-relieving feature allows user to decrease outlet pressure in closed systems. Feature is actuated by turning the adjusting knob counterclockwise
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- APR66 Series Single-Stage, High-Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- APR66 Series Single-Stage, High-Pressure Regulator

AVR3 Series Steam Heated, Vaporizing Pressure Regulator

The AVR3 Series regulator is designed to heat and/or vaporize a gas or liquid sample before entering an analyzer system. The unique design allows the user to dissassemble the regulator and heat transfer components for complete cleaning and repair of the unit, thus reducing expensive replacement costs and down time.

Product Features:

  • Ultra low internal volume
  • Convoluted Hastelloy® C-22 diaphragm for superior strength and corrosion resistance provides outlet pressure stability with changes in flow
  • Field-serviceable heat transfer element
  • Integral diaphragm stop provides additional measure of safety

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- AVR3 Series Steam Heated, Vaporizing Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- AVR3 Series Steam Heated, Vaporizing Pressure Regulator Drawing
AVR4 Series Electrically Heated, Vaporizing Pressure Regulator

The Parker AVR4 Series regulator is engineered to heat and/or vaporize a gas or liquid sample before entering an analyzer system. Its unique design allows users to disassemble the regulator and heat transfer components for complete cleaning and repair of the unit, thus reducing expensive replacement costs and downtime.

Product Features:

  • Ultra low internal volume
  • CSA, CE-ATEX certified
  • Convoluted Hastelloy® C-22 diaphragm for superior strength and corrosion resistance provides outlet pressure stability with changes in flow
  • Field-serviceable heat transfer element
  • TCO (Thermal cut-out) is standard for all heat ranges
  • Integral diaphragm stop provides additional measure of safety valves / 250 psig for manual and AOPLPNC valves

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- AVR4 Series Electrically Heated, Vaporizing Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- AVR4 Series Electrically Heated, Vaporizing Pressure Regulator Drawing
BPR50 Series High Pressure, Back Pressure Regulator

Capable of withstanding corrosive media and environments, Parker’s BPR50 piston-style back pressure regulator controls upstream or back pressure. Suitable for corrosive and non-corrosive liquids and gases at pressures up to 2,000 psig.

Product Features:

  • 316L Stainless Steel construction
  • Gas or liquid service
  • Simple construction makes maintenance easy
  • Panel mount option is available
  • Adjustable pressures from 100-1,200 psig and 200-2,000 psig
  • Flow coefficient of 0.45 Cv
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- BPR50 Series High Pressure, Back Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- BPR50 Series High Pressure, Back Pressure Regulator Drawing
HPR800 Series Single-Stage, High Pressure Regulator

For applications requiring high outlet pressures up to 2,500 psig, the HPR800 Series delivers. Its diaphragm-actuated design means fewer seals exposed to the media than a piston-actuated regulator.

Product Features:

  • Low actuating torque
  • Diaphragm sensing regulator
  • Self-contained valve seat assembly
  • Fluid media capabilities: Corrosive and non-corrosive gases
  • Easily maintained
  • Maximum inlet of 5,000 psig

Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- HPR800 Series Single-Stage, High Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- HPR800 Series Single-Stage, High Pressure Regulator Drawing
HFR900 Series Single-Stage, High Flow Pressure Regulator

The HFR900 Series is designed for high flow rates requiring a compact pressure regulator for control. It can be used with corrosive and non-corrosive gases. Meets most high flow requirements with less than 500 psig supply pressure.

Product Features:

  • Self-contained, replaceable valve seat assembly
  • Over 20 years of proven reliability
  • Available in 316L Stainless Steel
  • 1/8” NPT captured vent port is standard
  • Large orifice for high flow (up to 500 LPM)
  • Large diaphragm for higher sensitivity
  • Panel Mount option available
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- HFR900 Series Single-Stage, High Flow Pressure Regulator
Ohio Valley Industrial Services- Coalescing Filters, Regulators, and Lubricators- HFR900 Series Single-Stage, High Flow Pressure Regulator Drawing

Contact us for more information on coalescing filters, regulators, and lubricators.

Click here or call 412-269-0020. A qualified professional is waiting to assist you.

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