Ammonia plant specialists

Ammonia refrigeration engineered for high-capacity plants

Turnkey installation, precision overhauling, and genuine spare parts for Grasso, Sabroe, Mycom, Howden, Vilter, York, and Danfoss-controlled rooms.

Ammonia compressor overhaul

22+

Years expertise

NH₃

Refrigerant focus

Operating regions

GEA Grasso V series package

Equipment we work with

GrassoSabroeMycomHowdenVilterYorkDanfoss ControlsGrassoSabroeMycomHowdenVilterYorkDanfoss ControlsGrassoSabroeMycomHowdenVilterYorkDanfoss Controls

Listed for equipment familiarity — not a claim of formal partnership or certification.

Company profile

Engineering built around ammonia plant reliability.

AmmoniaEquip Engineering & Services is a premier industrial refrigeration engineering firm specializing in the complete installation, maintenance, troubleshooting, and precision overhauling of high-capacity ammonia refrigeration systems. Backed by over 22 years of hands-on technical mastery, our highly qualified engineering personnel have successfully executed complex industrial projects across Pakistan and international markets in the Middle East and Africa.

Proven global track record

Extensive experience serving cold storages, food processing plants, and chemical industries locally and internationally.

Expert engineering team

Highly skilled personnel capable of handling complex multi-brand plant overhauls efficiently.

End-to-end solutions

Single-source partner for equipment supply, spare parts sourcing, technical execution, and long-term maintenance contracts.

What we do

Services engineered to cut energy cost and unplanned downtime.

From compressor retrofits to controls integration and ongoing AMC, every engagement is scoped around your plant — not a catalogue sale.

Plant engineering

Turnkey Plant Installation & Commissioning

Complete design, piping, evaporator, and condenser installation adhering strictly to global safety and engineering standards.

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Workshop & field

Precision Compressor Maintenance & Overhauling

Complete overhauling of reciprocating and screw compressors — pistons, rotors, seals, bearings, and crankshafts restored to OEM-grade fit.

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Plant reliability

System Upgrades & Emergency Support

Leak detection, air purger repairs, SCADA integrations, and rapid emergency response engineered for zero unplanned downtime.

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Ongoing care

Maintenance & AMC Contracts

Scheduled preventive maintenance and annual contracts that keep cold storages, food plants, and chemical facilities running.

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Spare parts sourcing

OEM and high-grade replacements for pistons, liners, valve plates, rotors, shaft seals, bearings, and gasket sets.

SCADA & controls

Operator visibility, alarms, and logging across compressors, condensers, evaporators, and plant auxiliaries.

Safety & compliance

Leak detection, PPE-led field work, and commissioning audits for high-capacity ammonia plants.

Multi-brand plants

One engineering team for Grasso, Sabroe, Mycom, Howden, Vilter, York, and Danfoss-controlled rooms.

Search topics we already rank for

Dedicated pages for the queries plants actually type.

Google is already showing AmmoniaEquip for these jobs. Each page answers the question and points to the workshop — so the next impression can become a click.

Piston & screw rebuilds

Ammonia compressor overhaul

Ammonia compressor overhaul for reciprocating and screw NH₃ plants — hours, signs, workshop rebuilds, and documented clearances. Pakistan, UAE, Middle East.

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Plant diagnosis

Ammonia chiller repair

Ammonia chiller repair for industrial NH₃ rooms — diagnose compressor, purger, condenser, and controls before you replace the machine. Pakistan and UAE.

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Turnkey NH₃ plants

Ammonia system installation

Ammonia system installation and turnkey NH₃ plant construction — design, piping, evaporators, condensers, and commissioning in Pakistan, UAE, and the region.

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GEA Grasso piston & screw

Grasso compressor overhaul

Grasso compressor overhaul for RC-11, RC-12, V-series pistons and oil-injected screw packages — workshop rebuilds, seals, rotors, and alignment.

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Identified from the nameplate

Ammonia compressor parts

Ammonia compressor parts identified from the nameplate — pistons, liners, valve plates, rotors, shaft seals, and Mycom kits. Quote from model and serial.

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Inspected machines, not yard rust

Refurbished and used ammonia compressors

Refurbished and used ammonia compressors — inspected Grasso pistons and screws, remanufactured options, and honest condition reports before you buy.

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Equipment

Compressors we supply, overhaul, and keep in service.

Genuine equipment and high-grade replacement parts for major ammonia compressor brands — with Grasso piston and screw packages at the centre of the workshop.

Reciprocating · NH₃

GEA Grasso V Series Packages

Single- and two-stage piston compressor packages for industrial ammonia plants. Seven sizes in V-belt or direct-drive execution, engineered for low oil carry-over, flexible maintenance intervals, and lowest total cost of ownership.

RC Series · Open drive

Grasso RC-11 & RC-12

Open-drive Grasso RC-11 and RC-12 reciprocating piston compressors — proven workhorses of industrial ammonia plants. AmmoniaEquip supplies, remanufactures, and overhauls RC-11 and RC-12 machines, plus the pistons, liners, valve plates, and connecting rods that keep them in service.

Screw · M / LT frames

GEA Grasso Packaged Screw Compressors

Packaged screw compressors with integrated oil management, capacity and Vi slide control, and industrial control panels. Our technicians overhaul male/female rotors, rebuild mechanical shaft seals, replace bearings, and laser-align the complete train.

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How we work

A structured retrofit and overhaul process.

Every project — from a single compressor swap to a full plant overhaul — follows the same disciplined engineering sequence.

Site Assessment

On-site audit of existing compressors, piping, controls, and plant performance data.

Engineering & Design

Retrofit design, load calculations, and spare-part / overhaul scope tailored to the plant.

Procurement

Sourcing of genuine and high-grade compressor parts, packages, and controls hardware.

Installation & Overhaul

Mechanical and electrical execution with planned downtime and laser-aligned drives.

Commissioning & AMC

Startup, performance testing, handover, and ongoing maintenance support.

Visual portfolio

Precision you can inspect.

Recommended visual documentation for global clients: mechanical precision, screw-machine capability, and PPE-led field operations.

Piston compressor maintenance

High-resolution documentation of disassembled Grasso piston compressor parts — pistons, connecting rods, valve plates, and crankshafts — systematically arranged.

Displays deep mechanical precision, meticulous care, and technical mastery.

Screw compressor overhaul

Opened screw compressor housing showing exposed male and female rotors during maintenance, with bearing and shaft-seal rebuilds.

Demonstrates expert capability in modern, high-tech industrial machinery.

Global field operations

Field engineers in full PPE performing laser alignment or ammonia pipeline maintenance on-site.

Reinforces international safety compliance and workforce strength.

Project experience

NH₃ rooms we have installed and commissioned.

Hands-on configuration, installation, and commissioning — beverage, dairy, poultry, and food processing. Full list on the portfolio page.

Lahore · Pakistan