WebEducation. Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action minimizes pressure surges in the system during relief operation. 289 Series relief valves are ideal for low-pressure settings due to the increased ... WebBulletin 71.1:627 4 ype 627R Schematic Open ype 627R Schematic Closed Figure 3. Types 627R and 627LR Operational Schematics INTERNAL RELIEF FLOW PATH LARGE OPENING FOR RELIEF RELIEF VALVE SPRING INTERNAL RELIEF VALVE PUSHER POST LEVER RETAINER LEVER W4679-2 W4681-2 Figure 2. Types 627 and 627M …
October 2014 289 Series Spring-Loaded Relief Valves …
Websurfaces provide tight shutoff. The 289 Series relief valves are ideal for low pressure settings due to the increased sensitivity provided by the large diaphragm area. Features • … WebFisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action minimizes pressure surges in the system during relief operation. 289 Series relief valves are ideal for low-pressure settings due to the increased sensitivity ... notebooks gamers black friday
OBSOLETE - Catalog 122
WebFisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream pressure regulators to protect the system from overpressure. A smooth throttling action … WebTypes 289H, 289L and 289U Relief Valves Introduction The 289 Series relief valve is a throttling relief valve used downstream of pressure regulators to protect the downstream system from overpressure. A … WebSome of the specifications for a given relief valve as it comes from the factory appear on the nameplate attached to the Type 289P main valve spring case. Other specifications appear on the Type 6358B or 6365 pilot spring case. Figure 1. 1 NPT Type 289P Pilot-Operated Relief Valve Figure 2. 2 NPT Type 289P Pilot-Operated Relief Valve W6834 W3167-2 notebooks glasses cozy