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4 Class 125 NPT threads on fittings conform to ASME B1
Stocked in size:s 1-1/4" - 6" both regular and reducing
From this iron
material: Black Malleable Iron connection: Threaded Thread Type: Female Features: Meets or exceeds all applicable ASTM and ANSI standards 100% pressure tested before leaving the factory
material: Copper connection: Sweat Features: DWV Made in the USA Lightweight and Strong IAPMO approved ANSI approved
4" x 2-1/2" Schedule 40 Stainless Steel Weld 304/L Concentric Reducer Nipples 4 Class 125 NPT threadsmaterial: Stainless Steel connection: Butt Weld Features: Stainless weld fittings conform to ASTM A403 Grade 304 304L & 316 316L,ASTM A960, MSS SP 43i Stainless weld fitting dimensions conform to ASTM B16. 9 (except Wall) and MSS SP 43 Manufacturing facility is ISO 9001: 2008 Independent lab verification that fittings meet applicable chemical & mechanical properties
