{"product_id":"smith-blair-steel-coupling-411-cast-ductile-ss304","title":"Smith-Blair Style 411 Steel Coupling - Cast \u0026 Ductile Iron, SS304 Bolts, 2-48 in","description":"\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Smith-Blair Style 411 steel coupling with 304 stainless steel bolts and nuts joins plain-end cast and ductile iron pipe from 2 in to 48 in without threading, welding, or special pipe-end preparation. The SS304 bolting configuration carries factory catalog suffix -031 and is otherwise identical to the standard coupling: fabricated steel middle ring, ductile iron followers, and Grade 27 SBR gaskets. Type 304 hardware resists atmospheric and buried-service corrosion far beyond coated alloy bolting, at a lower cost than 316.\u003c\/p\u003e\n\u003cp\u003eSelect the nominal size, pipe OD, and sleeve configuration below. Engineering-led sizing support is available for transition and gap-spanning applications; a factory submittal is provided with every order on request.\u003c\/p\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003e411, SS304 bolts and nuts (suffix -031)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService\u003c\/td\u003e\n\u003ctd\u003ecast and ductile iron pipe, 2 in to 48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMiddle ring\u003c\/td\u003e\n\u003ctd\u003eFabricated steel, fusion epoxy coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolting\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel track-head bolts and heavy hex nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGaskets\u003c\/td\u003e\n\u003ctd\u003eGrade 27 SBR, NSF-61 compounds available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eNeed a submittal, a different bolt configuration, or help selecting the correct OD range? Email \u003ca href=\"mailto:sales@watermainsupply.com\"\u003esales@watermainsupply.com\u003c\/a\u003e or call 281.664.8000.\u003c\/p\u003e","brand":"Smith Blair","offers":[{"title":"2 in \/ 2.34 in to 2.56 \/ 0.216 in x 7 in","offer_id":47314070798511,"sku":"411-00025002-031","price":375.73,"currency_code":"USD","in_stock":true},{"title":"2 in \/ 2.34 in to 2.56 \/ 0.216 in x 10 in","offer_id":47314070831279,"sku":"411-00025003-031","price":569.51,"currency_code":"USD","in_stock":true},{"title":"2.5 in \/ 2.75 in to 2.88 \/ 0.203 in x 7 in","offer_id":47314070864047,"sku":"411-00027502-031","price":443.61,"currency_code":"USD","in_stock":true},{"title":"2.5 in \/ 2.75 in to 2.88 \/ 0.203 in x 10 in","offer_id":47314070896815,"sku":"411-00027503-031","price":669.06,"currency_code":"USD","in_stock":true},{"title":"3 in \/ 3.75 in to 3.86 \/ 0.237 in x 7 in","offer_id":47314070929583,"sku":"411-00038002-031","price":550.83,"currency_code":"USD","in_stock":true},{"title":"3 in \/ 3.75 in 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