Mechanical Supplies

Hydronic heating & Potable waterExpansion Tanks

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.

  • ASME BPVC Section VIII Div. 1

    The American rules for constructing pressure vessels: what an expansion tank or similar vessel is designed and stamped to.

  • ASME B16.5

    Dimensions and ratings for pipe flanges and flanged fittings in the American class system, the counterpart to the European PN series.

  • NSF/ANSI 61

    Health effects of materials in contact with drinking water. The certification that says a valve or fitting will not contaminate the water passing through it.