Pump and Compressor Parts Manufacturing
for Precision Rotating Equipment

Greno Industries is a Made in the USA manufacturer for pump and compressor parts for multiple industries, including power generation, oil and gas, and industrial manufacturing. Whether you need precision machining and manufacturing for regular work or periodic service, we have the capabilities and experience you need. 

Types of Pump and Compressor Parts

Greno machines and manufactures these and other pump and compressor parts.

Actuator Plugs

Adapter plugs provide leak‑tight sealing and thread adaptation across oil and gas hydraulic, pneumatic, and process‑control systems. They protect unused ports, prevent contamination, support pressure testing, and ensure compatibility between field equipment. Their durability under vibration, corrosion, and high pressure makes them essential in drilling, production, and refinery operations.

Back Plates

Back plates provide rigid structural support in pumps, compressors, turbines, and industrial machinery. Precision‑machined for alignment and load distribution, they stabilize seals, bearings, and internal components under pressure, vibration, and thermal cycling. Their durability and accuracy improve equipment reliability across oil and gas, power‑generation, and heavy‑industrial applications.

Barring Wheel

Barring wheels enable controlled, low‑speed rotation of turbine, generator, and compressor rotors during maintenance, alignment, and cooldown. Precision‑machined teeth ensure smooth torque transfer, preventing rotor bowing and supporting safe inspection and startup procedures. Their durability and accuracy improve reliability across power‑generation and heavy‑industrial applications.

Bullgear Block-Off Caps

Bullgear block‑off caps provide secure sealing for bullgear housings in turbines, compressors, and industrial drive systems. Precision‑machined for vibration resistance and leak prevention, they protect gearing from contamination during maintenance or storage. Their durability ensures reliable lubrication retention and long‑term performance in power‑generation and heavy‑industrial applications.

Compression Housings

Compression housings provide the rigid structural support for compressor internals, ensuring precise alignment of bearings, seals, impellers, and shafts. Built for high pressure, vibration, and thermal cycling, they protect rotating components and maintain efficiency. Their durability is essential in oil and gas, power‑generation, and heavy‑industrial compressor systems.

Counterweights

Counterweights provide precise mass balancing for rotating equipment in turbines, generators, compressors, and industrial machinery. Precision‑machined for stability, they reduce vibration, protect bearings, and improve operational smoothness. Their accuracy ensures reliable rotor performance, extended component life, and safer operation across power‑generation, oil and gas, and heavy‑industrial systems.

Covers

Covers protect critical turbine, compressor, pump, and industrial equipment components from debris, contamination, and mechanical damage. Precision‑machined for secure sealing and durability, they maintain cleanliness during operation, maintenance, and storage. Their strength and fit improve reliability, extend component life, and support safe performance in power‑generation and heavy‑industrial systems.

Drive Guide Vane Rings

Drive guide vane rings provide precise support and synchronized positioning for guide vanes in turbine and compressor airflow‑control systems. Precision‑machined for rigidity and alignment, they maintain vane geometry under vibration, thermal cycling, and load. Their stability improves flow control, efficiency, and reliability in power‑generation and heavy‑industrial equipment.

Drive Shafts

Drive shafts transmit torque between motors, gearboxes, pumps, and compressors in oil and gas, power‑generation, and industrial systems. Precision‑machined for strength and alignment, they handle high torsional loads, vibration, and misalignment. Their durability ensures smooth power transfer, reduced fatigue, and reliable performance in demanding rotating‑equipment applications.

Entry Flanges

Entry flanges provide a secure, leak‑tight interface for connecting piping, housings, or inlet sections on compressors, pumps, and turbine systems. Precision‑machined for alignment and pressure integrity, they support reliable flow entry, reduce vibration, and maintain sealing performance across oil and gas, power‑generation, and heavy‑industrial applications.

Frame Heads

Frame heads provide rigid structural support and precise alignment for compressor, turbine, and pump assemblies. Precision‑machined to maintain geometry under pressure, vibration, and thermal cycling, they secure internal components, improve stability, and enhance reliability across oil and gas, power‑generation, and heavy‑industrial rotating‑equipment systems.

Fuel Gas Boosters

Fuel gas boosters increase supply pressure to ensure stable, clean fuel delivery for gas turbines, compressors, and industrial burners. Precision‑engineered for high reliability, they maintain consistent flow, support efficient combustion, and handle variable inlet conditions. Their durability improves performance across power‑generation, oil and gas, and heavy‑industrial systems.

Heads

Heads provide structural support, sealing surfaces, and precise alignment for pumps, compressors, turbines, and industrial equipment. Precision‑machined for pressure integrity and stability, they secure internal components, maintain geometry under vibration and thermal cycling, and ensure reliable performance across oil and gas, power‑generation, and heavy‑industrial systems.

Motor Adapter Plates

Motor adapter plates provide precise alignment and secure mounting between motors, gearboxes, pumps, and compressor assemblies. Precision‑machined to match differing bolt patterns and geometries, they ensure stable power transfer, reduce vibration, and simplify equipment integration. Their durability supports reliable performance across oil and gas, power‑generation, and heavy‑industrial systems.

O Rings

O‑rings provide reliable static and dynamic sealing across pumps, compressors, valves, and turbine systems. Manufactured from elastomers or specialty compounds, they resist pressure, temperature, and chemical exposure. Their precision fit prevents leakage, protects equipment, and ensures long‑term performance in oil and gas, power‑generation, and heavy‑industrial applications.

Oil Drain Plates

Oil drain plates provide a secure, leak‑controlled outlet for draining lubricating oil from turbine, compressor, and industrial equipment housings. Precision‑machined for flatness and sealing integrity, they support clean maintenance, prevent contamination, and ensure reliable fluid management across oil and gas, power‑generation, and heavy‑industrial systems.

Oil Pump Block-Off Plates

Oil pump block‑off plates provide secure sealing for unused or service‑isolated oil pump ports in turbines, compressors, and industrial equipment. Precision‑machined for flatness and leak prevention, they protect internal cavities from contamination, maintain lubrication integrity, and support reliable maintenance and system isolation in heavy‑industrial applications.

Orifice Plates

Orifice plates provide accurate flow measurement and controlled pressure drop in turbine, compressor, and process‑piping systems. Precision‑machined apertures ensure predictable mass‑flow behavior, supporting fuel‑air control, cooling‑air management, and system balancing. Their durability and stability under heat, pressure, and vibration improve reliability across power‑generation and heavy‑industrial applications.

Pipe Assembly Elbows

Pipe assembly elbows provide controlled directional changes in turbine, compressor, and process‑piping systems. Precision‑machined for smooth flow, pressure integrity, and vibration resistance, they ensure reliable routing of fuel, air, oil, and process media. Their durability supports long‑term performance in power‑generation, oil and gas, and heavy‑industrial applications.

Shrouds

Shrouds provide protective, aerodynamic, and structural containment around turbine, compressor, and pump components. Precision‑machined for tight clearances, they control airflow, reduce leakage, and shield rotating elements from debris and thermal exposure. Their rigidity and stability improve efficiency, reliability, and service life in power‑generation and heavy‑industrial equipment.

Suction Nozzles

Suction nozzles provide controlled inlet flow to pumps, compressors, and turbine auxiliary systems. Precision‑machined for smooth entry, pressure stability, and reduced turbulence, they support efficient fluid handling and protect downstream components. Their durability and geometry ensure reliable performance across oil and gas, power‑generation, and heavy‑industrial applications.

Made in USA Manufacturer of Pump and Compressor Parts

Greno is a Made in USA manufacturer of pump and compressor parts. No matter what your industry, we combine precision machining and manufacturing with unbeatable service.

Contact Greno Industries for pump and compressor parts.