The MSS SP-75 standard defines stringent requirements for factory-made fittings produced using seamless or electric-welded technology from carbon and low-alloy steels, intended for butt-weld installation. This product line is a critical component for high-pressure main gas pipeline infrastructure, oil transportation systems, as well as metering units, compressor stations, and distribution facilities.<\/p>\n
EV Group China supplies components that comply with this standard, ensuring strict control over geometric parameters, tolerances, chemical composition, and mechanical properties (including impact toughness and tensile strength limits). The standard covers high-strength fittings up to and including NPS 60. For products with a diameter of NPS 14 and smaller, dimensional requirements correlate with the ASME B16.9 standard.<\/p>\n
The category of butt-weld fittings includes: elbows (including segmented and U-bends), bends, caps, tees, multi-outlet headers, reducing transitions, and expanders. In cases where operational loads require parameters beyond the scope of MSS SP-75, design is carried out in accordance with ASME B31 codes for high-pressure pipelines or per individual customer technical specifications.<\/p>\n
EV Group China provides the option to order fittings with non-standard configurations, sizes, or materials. Such products can be classified as partially compliant with the MSS SP-75 standard, provided all other requirements are met, including the “Part” status marking, which is confirmed by a quality certificate upon shipment.<\/p>\n
Note: Exact geometric parameters of bends and transitions are subject to mandatory coordination between the customer’s technical department and EV Group China engineers.<\/i><\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[113],"class_list":["post-70122","wiki","type-wiki","status-publish","hentry","wiki_category-mss"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/70122\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=70122"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=70122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}