| Designed for installation on potable water lines to reduce high inlet pressure to a lower outlet pressure | The integral strainer makes this device most suitable for residential and commercial water systems that require frequent cleaning of sediment and debris | The direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion | The balance piston design enables the regulator to react in a smooth and responsive manner to changes in system flow demand, while at the same time, providing protection from inlet pressure changes | Main valve body - Cast bronze ASTM B 584, UNS C84400 | Bell housing - UV resistant polymer composite | Internals - Stainless steel, 300 Series | Stem Brass - ASTM B 16 | Elastomers - EPDM (FDA approved), Buna nitrile (FDA approved) | Cartridge - Delrin™ (NSF Listed) | Springs - Oil temp wire, ASTM A 229 | Strainer screen - 300 Series Stainless Steel | Model NR3XLDUC | Lead free | Suitable For Supply Pressure To 400PSI | Factory Set At 50PSI, Adjustable From 15 To 75PSI | Maximum Temp 140°F @ 100PSI