Web289 Series Spring-Loaded 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 smooth throttling action minimizes pressure surges in the system during emergency operation. These relief valves 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 …

289 Series 2 in. Cast Iron NPT 100# Relief Valve - Ferguson

WebFigure 3. Type 289L Relief Valve L1 11 14 2 S 9 5 S L2 Figure 4. Types 289HH and 1 NPT 289H Relief Valves 3 289 Series L1 14 15 2 L1 6 27 7 17 11 3 A 8 31 5 19 29 22 28 S L2 26 10 23 1 20 S 18 38 9 13 BE7030-J APPLY LUBRICANTS (L) / SEALANT (S) / ADHESIVE (A) : L1 = ANTI-SEIZE COMPOUND L2 = PTFE GREASE S = THREAD … 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 ... can opioids cause pain

Relief/Backpressure Valves and Slam-shuts - Emerson Process …

WebPage 6 Instruction Manual 26000 Valve June 2024 D103363X012 20. Attach the actuator to the bonnet. Turn the actuator to thread the actuator stem onto the valve stem until the yoke touches the shoulder of the bonnet. 21. Lock the drive … WebFisher™ 289 Series Relief Valves or Backpressure Regulators Overview Fisher 289 Series relief valves are spring-loaded throttling relief valves used as downstream … WebJun 23, 2011 · Figure 2. Type 289U Relief Valve (Also Typical of Type 289A Relief Valve) W1870_1 W0203_1. Figure 3. Type 289L Relief Valve. Installation The 289 Series relief valves may be installed in any position. flair best