Regulators should only be serviced by a trained technician. Regulator manufactures issue their own training certifications for their products and only authorised technicians can purchase legitimate parts and service kits.
At least once a year and more frequently if in heavy use.
The service includes disassembly, ultrasonic cleaning, with approved fluids, and reassembly using the manufacture's service kit components. Any worn or broken parts will also be replaced.
Once the regulator is reassembled, all parts are function tested and the medium stage and cracking pressure are set per manufactures guidelines.
We authorised service technicians for:
Its depends on which of regulator you use but roughly: