FACTORY COMPARISON / FIRST ORDER
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Commissioning Guide
Resolve whether the dryer is inside the compressor package, which pressure dew point applies at the stated ambient, and who owns condensate drains before factories price a rotary screw air compressor with dryer. Rotary Screw Air Compressor Sourcing is an independent sourcing partner. This page is an input checklist for procurement, not an engineering or compliance certificate.
Decision dossier
State peak inlet flow to the dryer, inlet pressure, maximum inlet temperature, ambient temperature, oil carry-over class of inlet air, required pressure dew point and where it will be measured at peak demand. Include compressor duty cycle and idle periods so the dryer is not sized only on a lunch-hour reading. Quantity, destination and delivery window belong on the same sheet. Optional budget with currency and per-unit or whole-order basis may be attached.
Ask who supplies filtration, receiver, drains, condensate treatment and distribution connections. Review room ventilation and service access, including dryer tower or refrigerated-circuit clearance. Electrical supply for dryer heaters or fans must match the plant bus. Cooling water is required only for some refrigerated circuits; write “none” if the room uses air-cooled packages.
Commissioning should verify the agreed pressure and air-treatment performance under representative demand. Obtain maintenance schedules and a list of service consumables. Keep a compressor package claim separate from the quality of air at a remote production machine after it has passed through plant piping. FAT and SAT remain supplier or buyer tasks unless the purchase order names this desk, which it does not.
What decision must be resolved before specifying rotary screw air compressor with dryer? Whether the dryer is packaged or plant-side, the dew-point class and measurement point at the stated ambient, included filter pressure losses, and how unloaded compressor energy plus dryer purge or refrigeration energy will be compared. Adjacent standalone dryers without a compressor belong on a different RFQ.
Without those two fields, a rotary screw air compressor with dryer quote cannot be compared on air quality.
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