HVAC & Plumbing Valves & controlsGeneral Valves
Standards this line is built to
The designations below are cited by the products on this page. A specification is written in these, not in product names, so each one is set out with what it governs. Progress Horizon Trading supplies this line as an authorized distributor across Saudi Arabia.
EN 12266-1
Pressure testing of metallic valves: the shell and seat tests a valve passes before it leaves the factory.
EN 558
Face-to-face and centre-to-face lengths for valves in pipeline systems: the dimension that decides whether a replacement valve fits the existing gap.
EN 1092-1
Dimensions and pressure/temperature ratings for circular steel flanges, designated by PN. What makes a valve bolt up to the pipework it was specified for.
ISO 5208
Pressure testing of metallic valves, with the seat leakage rates a valve is classified against.
PN 16 / PN 25
Available in nominal pressure ratings of 16 and 25 bar, which sets both the flange drilling and the rated body pressure.
NSF/ANSI 61 Annex G
The lead-content limit within the drinking water standard: the basis of the 'lead-free' designation for potable water components.
NSF/ANSI 372
The standard that now carries the lead-content requirement for drinking water components, evaluating weighted average lead across wetted surfaces.