{"product_id":"dockweiler-fb0578-concentric-reducer-butt-weld-tube-fitting","title":"Dockweiler FB0578 Concentric Reducer Butt Weld Tube Fitting","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Dockweiler FB0578 concentric reducer is a precision-engineered 316L stainless steel butt weld tube fitting, widely sourced by industrial procurement teams across pharmaceutical, biotech, semiconductor, and food processing industries. Transitioning from a 42.00 mm × 2.00 mm outer diameter to a 12.00 mm × 1.00 mm connection, this high-purity reducer is manufactured to exacting standards under material grade 1.4435 \/ S31603, with full heat traceability (HT: 383996). The weld-to-weld (WW) design ensures leak-free orbital or manual butt weld installation in hygienic and ultra-pure fluid systems. Procurement teams in the USA rely on this component for validated piping systems in clean rooms and sterile manufacturing environments. Distributors and EPC contractors in the UAE and across the wider Middle East region specify Dockweiler fittings for high-integrity process piping. WeSellStocks.co supplies this item from verified surplus industrial stock, available for worldwide dispatch to qualified buyers and distributors.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Dockweiler\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Concentric Reducer — Butt Weld \/ WW (Weld-to-Weld) Tube Fitting\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e FB0578\u003cbr\u003e\u003cstrong\u003eBatch Number:\u003c\/strong\u003e 1400150145\u003cbr\u003e\u003cstrong\u003eHeat Number (HT):\u003c\/strong\u003e 383996\u003cbr\u003e\u003cstrong\u003eIndustry Category:\u003c\/strong\u003e High-Purity \/ Sanitary Stainless Steel Tube Fittings — Pharmaceutical, Biotech, Food \u0026amp; Beverage, Semiconductor\u003cbr\u003e\u003cstrong\u003eLarge End OD × Wall Thickness:\u003c\/strong\u003e 42.00 mm × 2.00 mm\u003cbr\u003e\u003cstrong\u003eSmall End OD × Wall Thickness:\u003c\/strong\u003e 12.00 mm × 1.00 mm\u003cbr\u003e\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 80.00 mm (TCC)\u003cbr\u003e\u003cstrong\u003eMaterial Grade:\u003c\/strong\u003e 1.4435 \/ S31603 (316L Stainless Steel)\u003cbr\u003e\u003cstrong\u003eConnection Type:\u003c\/strong\u003e WW (Butt Weld \/ Orbital Weld)\u003cbr\u003e\u003cstrong\u003eEnd Cap Material:\u003c\/strong\u003e PE (Polyethylene — protective caps fitted)\u003cbr\u003e\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Butt weld \/ orbital weld inline installation\u003cbr\u003e\u003cstrong\u003eStandards \/ Compliance:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eStock Quantity Available:\u003c\/strong\u003e Available upon request\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Dockweiler FB0578 concentric reducer is designed for installation within high-purity and hygienic fluid piping systems where a controlled diameter transition is required. It is used in pharmaceutical manufacturing, biotech process lines, semiconductor ultrapure water systems, and food \u0026amp; beverage production where full material traceability and corrosion resistance are mandatory. The 316L grade and WW end configuration make it compatible with standard orbital welding equipment and hygienic process piping assemblies. Its heat number and batch traceability support validated GMP and ASME BPE compliant installations.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe Dockweiler FB0578, part of Dockweiler's high-purity tube fittings range, is available through WeSellStocks.co as a verified surplus stock item for direct procurement by industrial buyers, EPC contractors, and authorised distributors. USA-based MRO and pharmaceutical procurement teams can source this 316L concentric reducer with full heat traceability for immediate integration into validated piping systems. Buyers across the UAE, Europe, and worldwide can enquire for bulk availability, pricing, and expedited global shipping through WeSellStocks.co.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMetafields:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003ebrand:\u003c\/strong\u003e Dockweiler\u003cbr\u003e\u003cstrong\u003epart_number:\u003c\/strong\u003e FB0578\u003cbr\u003e\u003cstrong\u003eproduct_type:\u003c\/strong\u003e Concentric Reducer — Butt Weld Tube Fitting\u003cbr\u003e\u003cstrong\u003eindustry_category:\u003c\/strong\u003e High-Purity Stainless Steel Tube Fittings \/ Pharmaceutical \u0026amp; Industrial Piping\u003cbr\u003e\u003cstrong\u003elarge_end_od_x_wall:\u003c\/strong\u003e 42.00 mm × 2.00 mm\u003cbr\u003e\u003cstrong\u003esmall_end_od_x_wall:\u003c\/strong\u003e 12.00 mm × 1.00 mm\u003cbr\u003e\u003cstrong\u003elength:\u003c\/strong\u003e 80.00 mm (TCC)\u003cbr\u003e\u003cstrong\u003ematerial:\u003c\/strong\u003e 1.4435 \/ S31603 (316L Stainless Steel)\u003cbr\u003e\u003cstrong\u003econnection_type:\u003c\/strong\u003e WW (Butt Weld \/ Orbital Weld)\u003cbr\u003e\u003cstrong\u003eheat_number:\u003c\/strong\u003e 383996\u003cbr\u003e\u003cstrong\u003ebatch_number:\u003c\/strong\u003e 1400150145\u003cbr\u003e\u003cstrong\u003evoltage_rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003ecurrent_rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003epower_rating:\u003c\/strong\u003e Not applicable\u003cbr\u003e\u003cstrong\u003emounting_type:\u003c\/strong\u003e Inline Butt Weld \/ Orbital Weld\u003cbr\u003e\u003cstrong\u003estandards:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003econdition:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003estock_quantity_available:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003etarget_markets:\u003c\/strong\u003e USA | UAE | Worldwide\u003cbr\u003e\u003cstrong\u003eglobal_shipping:\u003c\/strong\u003e Yes\u003c\/p\u003e","brand":"We Sell Stocks","offers":[{"title":"Default Title","offer_id":59485106503966,"sku":"Cabin : A-79- Henaz","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7230\/1086\/files\/6_65f43006-1693-4436-a7a8-4749564cbef1.png?v=1781851915","url":"https:\/\/wesellstocks.co\/products\/dockweiler-fb0578-concentric-reducer-butt-weld-tube-fitting","provider":"We Sell Stocks","version":"1.0","type":"link"}