{"id":322,"date":"2026-09-02T00:49:06","date_gmt":"2026-09-02T00:49:06","guid":{"rendered":"https:\/\/zetengflangefitting.com\/?post_type=product&#038;p=322"},"modified":"2026-09-20T04:10:04","modified_gmt":"2026-09-20T04:10:04","slug":"weld-neck-flange","status":"publish","type":"product","link":"https:\/\/zetengflangefitting.com\/ar\/product\/weld-neck-flange\/","title":{"rendered":"\u0634\u0641\u0629 \u0639\u0646\u0642 \u0627\u0644\u0644\u062d\u0627\u0645"},"content":{"rendered":"<h3>Product Specifications:<\/h3>\n<p>Standards: GB\/T 9124.1-2019 (PN series) or GB\/T 9124.2-2019 (Class series); ASME B16.5-2025 applies to export projects.<br \/>\nStructure: Weld Neck (WN) flange; orders must specify the mating pipe wall thickness\/Schedule and end bevel details.<br \/>\nSize Range: ASME B16.5 generally covers NPS 1\/2\u201324; Class 2500 flanges apply up to NPS 12. Specific flange types may not cover all size-pressure combinations; please consult the relevant dimension tables.<br \/>\nPressure Ratings: Class 150, 300, 400, 600, 900, 1500, 2500, or selected according to the corresponding PN series; allowable pressure-temperature ratings vary based on material group and operating temperature.<br \/>\nMaterials\/Facing: Common materials include ASTM A105, A182 F304\/F316, etc.; facing types (RF, FF, RTJ, etc.) must be confirmed in conjunction with the gasket, bolting, and mating flange specifications.<\/p>\n<h3>Ordering and Acceptance Points:<\/h3>\n<p>Ordering\/Acceptance: Confirm flange type, DN\/NPS, PN\/Class, material group, facing type, pipe wall thickness\/bore, and bolting\/gasket system; verify against the corresponding standard dimension tables item by item\u2014availability of all combinations cannot be assumed based solely on the standard&#8217;s overall scope.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-1511\" src=\"https:\/\/zetengflangefitting.com\/wp-content\/uploads\/2026\/09\/Weld-Neck-Flange-1.jpg\" alt=\"\" width=\"1024\" height=\"600\" srcset=\"https:\/\/zetengflangefitting.com\/wp-content\/uploads\/2026\/09\/Weld-Neck-Flange-1.jpg 1024w, https:\/\/zetengflangefitting.com\/wp-content\/uploads\/2026\/09\/Weld-Neck-Flange-1-300x176.jpg 300w, https:\/\/zetengflangefitting.com\/wp-content\/uploads\/2026\/09\/Weld-Neck-Flange-1-768x450.jpg 768w, https:\/\/zetengflangefitting.com\/wp-content\/uploads\/2026\/09\/Weld-Neck-Flange-1-600x352.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>This is a flange featuring a tapered hub designed for butt-welding to the pipe; the hub helps alleviate stress concentration, making it suitable for high-temperature, high-pressure, or cyclic loading conditions, as well as for critical process piping. The flange&#8217;s inner diameter and weld bevel must match the outer diameter and wall thickness of the connecting pipe.<\/p>","protected":false},"featured_media":323,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[22],"product_tag":[],"class_list":["post-322","product","type-product","status-publish","has-post-thumbnail","product_cat-flange","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/product\/322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/comments?post=322"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/media\/323"}],"wp:attachment":[{"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/media?parent=322"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/product_brand?post=322"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/product_cat?post=322"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/zetengflangefitting.com\/ar\/wp-json\/wp\/v2\/product_tag?post=322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}