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BOS ISO 2503: 2009
P535.80
Gas welding equipment — Pressure regulators with flow metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 Mpa)
Description
This International Standard specifies requirements for single or two-stage pressure regulators without lowmetering devices for connection to gas cylinders used for ⎯ compressed gases up to 300 bar 1) (30 MPa), ⎯ dissolved acetylene, ⎯ liquefied petroleum gases (LPG), ⎯ methylacetylene-propadiene mixtures (MPS), and ⎯ carbon dioxide (CO2),