CPI 568 is a high strength polymer used for valve components requiring high strength, at the same time offering good resistance to high temperatures and chemical resistance to a wide range of gases and liquids.

With more than 25 years of proven performance, the original Fivealloy coating and plasma spray process, supplied exclusively through CPI, part of the Howden group, is an ideal method for repairing compressor piston rods, cylinders and cylinder liners.

In critical operations, remote and/or hazardous environments the logistics of valve repair and maintenance can be complicated and expensive. The CPI Replaceable Seat Valve eliminates those concerns.

CPI 321 is a proprietary blend of special fillers and virgin PTFE. It has been developed for use in oxidising gases and those sensitive to MoS2.

To provide positive control of lubrication, oil wiper rings are essential in preventing oils from causing contamination of gases and leading to failure of other critical parts within a compressor.

Developed for applications with liquid and debris in the gas stream. The V shape minimizes resistance to gas flow, reduces pressure drop and improves efficiency.

Our health and safety goal is clear — to have the world's safest employees. All employees sign a pledge to help achieve this objective. We believe every accident can be prevented, and our safety framework is designed to eliminate all incidents associated with CPI activities, products and services. Training and education programs and ongoing process improvement help ensure full engagement of our workforce in our safety goals. Safety must be present in every aspect of our product life cycle: from the suppliers with whom we partner, to the employees who build and distribute our products.

CPI, part of the Howden group, is a leading manufacturer of precision engineered components for reciprocating compressors used in petrochemical, refining, natural gas, and offshore industries in Nigeria.

CPI 192 is a proprietary polymer alloy developed exclusively by CPI, which has become widely specified for extreme service in both lubricated and oil-free gas compressors.

The CPI POPR® pop open pressure relief valve is designed to replace atmospheric rupture assemblies, being automatically activated when the divider block system over pressures.

CPI 566 is a proprietary reinforced thermo-plastic material developed for use in CPI compressor valves CPI 566 exhibits very low moisture absorption and is therefore particularly beneficial in saturated gas applications such as atmospheric air or saturated carbon dioxide.

We have also taken our profiled ring valve a step further by developing our Hi-Flo™ RS (Replaceable Seat) valve, this is based on our radius ring valve, bringing the same performance, but with the added advantage of not requiring any machining of valve seat, with a simple clean and replacement of all internal consumables including the non-metallic replaceable seat plate.

Even the smallest components can interrupt uptime and alter productivity. As an experienced and reliable partner, CPI is ready to respond with a solution at a moment’s notice, anywhere in the world.

Technical Bulletin regarding the use of CPI’s P55 vacuum pumps (model numbers 6501800P55V301S, V401S, V601S) with applicable Lincoln lubricator boxes.

The Neomag® cycle indicator follows the divider block piston movement so the operator can monitor and control oil consumption, set lube rates, and easily spot problems in the divider block system.

CPI 196 special polymer alloy has been developed to meet the requirements of non-lubricated dry nitrogen compressors, and in particular those operating at medium to high pressures.

CPI 315 is a non-fibrous material, non-abrasive and provides a combination of good mechanical properties and wear resistance, equally suited to both lubricated and non-lubricated compressor applications.

Together with our EMISSIONGUARD™ family of products we also design, manufacture and supply all conventional main, intermediate and wiper packing cases and rings. CPI manufactures all of our polymer materials in-house using proprietary blends and methods. This ensures that we have total control of the quality and performance of our products. Our engineers select the best materials for each application to optimize the performance and reliability of our products in service.

The  CPI Model  P55  Pump  series  features  heavy  duty metering,  precision,  and  self lubricating  pumps  capable of pumping small amounts of mineral or synthetic oil to machinery injection points at pressures up to 7500 psi.

CPI EMISSIONGUARD™ purge panels control and monitor the supply of an inert gas, such as nitrogen, into the packing assembly(s) of a reciprocating compressor.

Whenever a part has the potential to be made “good as new,” CPI has the expertise to make it happen. Using various NDT methods, CPI experts will carefully evaluate the condition of components identifying the root causes of problems to arrive at an optimal solution.

CPI can supply a full control system which can interlock with the compressor controls to activate and deactivate the ES³ static seal only when the compressor is stopped.

The lubrication system is at the heart of your compressor where failure of any component results in costly downtime and potential catastrophic structural failure.

CPI Hi-Flo™ RD valves feature aerodynamic radiused profiled rings that control and seal process gas as it flows in and out of the compressor cylinder.

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CPI 184 is a proprietary polymer alloy developed exclusively by CPI, which has become the preferred material for use on non-lubricated gas compressors and in particular those gases which are ‘bone-dry’.

Proflo PF2 programmable shutdown device for monitoring compressor lubrication systems, from CPI by Howden, is now available for purchase direct from ChartParts e-commerce platform.

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CPI’s purge panels ensure a positive buffer gas pressure in line with API618 to prevent process gas leakage into the distance piece.

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The word packing comes from the method of sealing in pressure where the stuffing box around a pump or compressor shaft is “packed” with a soft material. The type of seal we will discuss is a mechanical seal.

Proven Solutions for the Global Compression Industry. Throughout the world, our customers count on us for service and solutions that keep their compressors, lubrication systems, and business running.

CPI discuss their latest developments in lubrication monitoring and shutdowns. Article first published in CompressorTech2.

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The CPI Model P55 pump is an updated version of the Premier Model P55 designed to retrofit Premier, Mega, McCord and Lincoln* lubricator boxes.

CPI 193 is a proprietary polymer alloy developed to extend the useful upper working limits of piston and rod seals in both lubricated and oil-free gas compressors.

Manage your Proflo devices with just a click. To get started download the Connect app by visiting the app store that matches your device.

Reciprocating compressors and particularly the main pressure packing cases are known to be large contributors to the overall gas emissions from plants. For this reason, CPI have invested much time and resources to develop unique solutions to help solve this industry wide problem.

CPI PUMPGUARD™ 182 material is a proprietary polymer alloy for pump bushings designed to be used for wear rings, guide bushings and thrust washers.

The CPI purge gun provides a convenient, cost effective method to remove air from the divider block system to ensure all lubrication points will receive lubrication immediately on start-up of the compressor.

The CPI EMISSIONGUARD™ ES³ expandable static seal is the first seal designed for optimum sealing when your compressor is not running and remains pressurized.

In the compressor industry, even the smallest components can interrupt uptime and productivity. In order to achieve continuous operation, you need an experienced and reliable partner.

Feature a thermo-plastic disc design that is proven to provide more efficient seals and longer service life than metallic counterparts in all operating conditions, including harsh environments.

The Proflo® PF1 monitoring device provides shutdown protection for your compressor and collects operation data by monitoring the cycle times of the divider block system.

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From individual components to complete, turnkey systems like our SAFEGUARD™ 1000 or SAFEGUARD™ 5000 lube consoles, we can provide the resources and expertise to ensure your compressor operates at peak performance and longevity.

CPI field service engineers are highly experienced technical experts capable of fully servicing many compressor makes and models, either individually, as a maintenance team working on-site with an operator’s own personnel or supervising third party service personnel.

CPI 565 is a proprietary reinforced thermoplastic material developed for use in CPI Compressor valves. This CPI material exhibits very low moisture absorption and is therefore particularly beneficial in saturated gas applications such as atmospheric air or saturated carbon dioxide. CPI 565 also offers an exceptionally high temperature resistance.

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CPI 303 has been developed especially to give safe and reliable use in dry oxygen compressors and is ignition-tested and approved for this demanding application.

The oil and lubrication system plays a very significant role in the performance of a reciprocating compressor. Too much, too little or inconsistent delivery can reduce performance, lead to premature wear and potentially result in catastrophic failure.

CPI materials for pump wear parts are available in a large range of bushings sizes, are easy to machine and install with the proper interference fit.

Ratchet lubricators will be transitioning from the old design which used an internally mounted ratcheting gear assembly.

EMISSIONGUARD™ prevents compressed gas leakages in reciprocating compressors reducing emissions that would otherwise be sent to the flare stack.

CPI provides industry leading lubrication systems, products and services, partnering with our customers to develop individual solutions to their unique lubrication needs.

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The HVLP (High Volume Lubricator Pump) is designed to deliver precise quantities of lubrication oil to engines, compressors and other industrial applications.

Describes various ways in which the Piston Ring can be cut to allow the ring to make constant sealing contact on the cylinder bore, maintain sealing along the stroke, provide end clearance, ease of installation over the piston and into the grooves.

CPI, designs and manufactures a wide range of high quality sealing and wear components, custom sized according to the needs of the compressor.

The High Volume Lube Pump (HVLP) delivers accurately measured quantities of lubricating oil to the divider block lubrication system for distribution to rod packing, compressor cylinders, power cylinders and various lubrication points on engines and compressors.

Even the smallest components can interrupt uptime and alter productivity. As an experienced and reliable partner, CPI is ready to respond with a solution at a moment’s notice, anywhere in the world.

SAFEGUARD™ lubrication system console has been engineered as standalone lubrication console for hazardous locations and all types of industrial machinery including reciprocating compressors and reciprocating pumps. Configurable allowing for multiple options so that you never need to shut down your compressor for scheduled lubrication system maintenance.

The Proflo® Jr. monitoring device provides shutdown protection for your compressor based on the operation of the cycle times of the divider block system.

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CPI have built a reputation as a valve problem solver with our signature Hi-Flo™ Profiled Ring Valve range. Each valve is specifically designed for the application to provide reliability and durability.

CPI 188 is a specially developed polymer alloy for use in oil-free dry nitrogen compressors, or in other inert gases such as helium or argon.

Our reputation on customer sites is highly regarded and our expertise is utilized on the most critical of installations. Through our component and full compressor knowledge, we bring the optimum level of total compressor support.

Balancing Valves (BV) increase the efficiency and reliability of all divider block systems operating at high pressures by balancing the effect of injection point differentials on the divider block.

CPI 111 is a self-lubricating material which has been specially developed for use in high duty, oil free atmospheric air compressors, such as those used in the manufacture of PET bottles.

The new Proflo PF2 is a programmable shutdown device used to monitor the lubricant flow of divider valve metering systems. Cycle times are continuously monitored and communicated through both the LCD display and the LED indicator lights.

CPI lubrication systems deliver the perfect amount of oil, under pressure and at regular intervals, to moving parts on all types of industrial machinery.

CPI designs and manufactures a complete line of high-performance packing and wiper rings, along with piston and rider rings, to meet a wide range of reciprocating compressor applications and demands.

Divider blocks are single line progressive hydraulic systems used to divide a single lubrication feed to multiple points while allowing each point to receive a different quantity of oil.

To access CPI's comprehensive collection of brochures for all lubrication products, visit the Technical Library below, select the brochures section and scroll down alphabetically to all literature prefixed Lubrication.

With roots dating back to 1897, originally known as France Compressor Products, Compressor Products International (CPI) has grown tremendously, developing and acquiring new technologies and services to better meet the global needs of today’s reciprocating compressor operators. Throughout the world, our customers count on us for service and solutions that keep their compressors, lubrication systems, and business running. With our thorough knowledge of compressor operation and extensive field experience gained from years of collaboration with compressor manufacturers and users, we are proud to help drive growth in the markets we serve.

CPI 560 is a proprietary high performance material developed exclusively by CPI. It is suitable for use in both lubricated and oil free applications, where its resistance to extrusion is advantageous.

CPI, part of the Howden group, is a leading manufacturer of precision engineered components for reciprocating compressors used in petrochemical, refining, natural gas, and offshore industries in Western Canada.

CPI Hi-Flo™ VP valves feature aerodynamic V-profiled rings that control and seal gas as it flows in and out of the compressor cylinder.

CPI radius disc valve is designed and proven to perform reliably in high temperature, high pressure applications and sour gas environments.

The captured proximity switch, a single pole single throw magnetically operated reed switch, sends a dry contact signal to any PLC-style control panel or directly to the lubrication monitor, such as the Proflo® PF2 monitoring device.

The Indicator Ported Valve (IPV) is designed to allow performance analysis and routine diagnostic testing of compressor cylinders that do not have drilled and tapped indicator ports.

CPI, part of the Howden group, is a leading manufacturer of precision engineered components for reciprocating compressors used in petrochemical, refining, natural gas, and offshore industries.

Ancillary systems are integral to the smooth and efficient performance of reciprocating compressors. In this feature, first published in CompressorTech2, CPI by Howden discuss their latest developments in lubrication monitoring and shutdowns.

Standalone lubrication system console designed specifically for hazardous environments and a wide range of industrial machinery, including reciprocating compressors and reciprocating pumps. Cost-effective solution tailored for smaller and less critical compressors.

CPI’s roller-type wear detector will trigger a notification to operators indicating piston rod drop, ensuring an adequate time frame and opportunity for convenient shut-down before critical damage can take place.

High lift valves with low pressure drop across the sealing elements best suited for low differential pressures and slower speed compressors.

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CPI is committed to keeping your compressors operating safely, reliably and profitably. View our informational videos to learn more.

CPI, part of the Howden group, is a leading manufacturer of precision engineered components for reciprocating compressors used in petrochemical, refining, natural gas, and offshore industries in Eastern Canada.

CPI 307 is a special self-lubricating material, which can be used to provide reliable operating lives in non-lubricated, atmospheric air compressors.

The lube guard pump assembly provides protection for the lubrication system by verifying that the camshaft is rotating while also indicating a low oil level condition in the lubrication box.

The CPI EMISSIONGUARD™ ES³ expandable static seal is the first seal designed for optimum sealing when your compressor is not running and remains pressurized.

CPI 543 is a proprietary reinforced thermo-plastic material developed for use in CPI compressor valves CPI 543 is the most widely selected valve disc material for use in a broad range of operating conditions.

CPI’s EMISSIONGUARD™ TR² packing ring is the only ring design that multiplies the benefits of a tangent to rod ring and a step tangent ring by combining the two rings into one, providing a more efficient seal whilst reducing the frictional load onto the piston rod.

A leading petrochemical refinery in France has reduced their reciprocating compressor packing emissions by 50% after installing CPI's EMISSIONGUARD TR² rings.

Edited February 2022 - Effective May 1, 2016 CPI, part of the Howden group, released the HP+ and XD+ Divider Block product lines. These products serve as direct replacements for the previous HP and XD Divider Blocks.

CPI's low emission packing ring that multiplies the benefits of a tangent to rod ring and a step tangent ring by combining the two rings into one, providing a more efficient seal, reduced friction and extended lifetime.

To access CPI's comprehensive collection of brochures for all valve products, visit the Technical Library below, select the brochures section and scroll down alphabetically to all literature prefixed Valves.

CPI 138 has been developed especially to give safe and reliable use in dry oxygen compressors and has undergone ignition-testing for this demanding application. CPI 138 is also suitable for dry gases which contain oxygen as a constituent, such as bone-dry air and crude argon.

All the accessories necessary to get the most out of our divider blocks and to keep your compressor and lubrication system running at peak efficiency.

CPI’s Baton Rouge service center has experts who can provide certified maintenance and reconditioning to keep your machines performing at peak efficiency.

CPI 197 proprietary polymer alloy has been developed to meet the requirements of non-lubricated dry nitrogen compressors, and in particular those operating at very high pressures.