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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
Easily adjusted with calibration gage (included) and screwdriver
Conforms to ASTM-C1540
1 Air Eliminators at the end of the short main or the main running to the warm side of the building
3-1/2" Schedule 40 Stainless Steel Weld 304/L 45 Elbow Solid Plugs material: Black Malleable Iron connection:material: 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
US$ 33.93
US$ 37.90
US$ 37.90
