They are also colored gray to identify when they are fully saturated
Single Lead Free Tma Ir Advo-
Moisture-resistant features include: plated hardware and switch parts
Bradley S02050-M Receptacle Lid for 355-00 20
18 Gauge Stainless Steel 22' x 22' x 6
Apollo Check Valve, 1 1/2 in, Single, Inline Swing, Bronze, Press x Press - 61YLF207T1PR Nominal Size-33.125" X 18.125" X 1.25" They are also colored grayLow Lead Bronze Swing Check Valves, Max. pressure: 200 psi Max. temp.: 250F,Designed for direct mechanical connection to ASTM B88 Type K, L, and M hard drawn copper tubing. PTFE seats. Press connection. Not for use with reciprocating pumps and similar applications. Not suitable for flammable gas or steam service. Can be mounted vertically or horizontally.,Meet NSF ANSI 61 8 (2010) Annex F and G, and MSS SP139.