Q1: Are four pressure grades adjustable on machine or customized before shipment?
A: Each pressure is factory preset model, select target pressure when placing order, machines are fully pre-commissioned for direct startup after arrival.
Q2: Can we replace BSPT port with other thread standard?
A: Original port is 3/4'' BSPT, transition adapters for different thread standards are available as optional accessories.
Q3: What regular maintenance items does the unit need?
A: Periodic replacement of air filter, oil filter and special screw compressor oil; spare parts can be delivered together with main unit for overseas after-sales.