
Practical guidance for ammonia compressor plants.
Overhaul checklists, screw-seal practice, leak detection, and spare-parts identification — written for plant engineers, not catalogues.

2026-08-18 · AmmoniaEquip Engineering
Grasso RC-11 & RC-12 Overhaul Checklist for Ammonia Plants
A practical workshop sequence for open-drive Grasso RC-11 and RC-12 reciprocating compressors — from lockout to valve plates, liners, and alignment.
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2026-07-22 · AmmoniaEquip Engineering
Screw Compressor Rotor and Shaft Seal Maintenance
How male/female rotor wear, bearing play, and mechanical shaft seals fail on oil-injected ammonia screw packages — and how to overhaul them without guessing.
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2026-06-09 · AmmoniaEquip Engineering
Ammonia Leak Detection and Plant Safety for Engine Rooms
Why NH₃ leak detection, PPE-led field work, and air-purger health belong in the same reliability plan as compressor overhauls.
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2026-05-14 · AmmoniaEquip Engineering
Sourcing Genuine Spare Parts for Ammonia Compressors
How to identify pistons, liners, valve plates, rotors, and shaft seals across Grasso, Sabroe, Mycom, Howden, Vilter, and York machines without buying the wrong fit.
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2026-09-22 · AmmoniaEquip Engineering
When to Overhaul an Ammonia Compressor: Hours, Signs, and Cost
The public questions behind “ammonia compressor overhauls”: hour windows, symptoms, overhaul vs rebuild vs replace, and how to plan the shutdown.
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2026-09-21 · AmmoniaEquip Engineering
Ammonia Chiller Repair: Compressor, Purger, or Controls?
Why “ammonia chiller repair” is usually a system diagnosis — and how to tell a weak compressor from a dirty condenser or a tired air purger.
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2026-09-20 · AmmoniaEquip Engineering
Grasso Compressor Overhaul: Hours, Scope, and What Gets Missed
A plant-level guide to Grasso compressor overhaul — RC-11, RC-12, V-series, and screws — including the mistakes that send machines back in 90 days.
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2026-09-19 · AmmoniaEquip Engineering
Refurbished vs Used Ammonia Compressors: What to Inspect
How to buy a refurbished Grasso or used ammonia plant without inheriting unknown hours, scored rotors, or a painted leak.
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2026-09-18 · AmmoniaEquip Engineering
Turnkey Ammonia System Installation: From Load Calc to Handover
What “turnkey ammonia system construction” should include — load, piping, valve stations, detection, commissioning — and what gets left out of cheap installs.
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We will scope the right Grasso, Sabroe, or multi-brand ammonia approach — from a single compressor swap to a full plant overhaul.