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ACCESSORIES • P/t plugs: 2 x ACC00113 • Plugs and gaskets: 2 x ACC1B03000 • Spare part, black composite part: EVS.0.0.1. GENERAL SPECIFICATIONS 1. AUTOMATIC BALANCING AND TEMPERATURE CONTROL VALVES - FLOWCON EVS 1.1. Contractor shall install balancing / temperature valves where indicated in drawings. 1.2. The flow limiting device shall be available as a plug-in device for an inline valve housing. 1.3. Valve housing shall be configured for flow regulation unit accessibility. 1.4. Valve housing shall be permanently marked to show direction of flow. 2. VALVE ACTUATOR 2.1. Actuator housing shall be rated to IP54, including upside-down mounting. 2.2. Actuator shall be driven by 24V or 230V AC, and shall depending on actuator choice accept 0-10V DC or ON/OFF control signal. 2.3. Actuator shall use full stroke and provide full authority. 2.4. Actuator shall have visible indication of stroke position. 2.5. Failsafe function shall be available on all versions. 3. VALVE INSERT 3.1. The insert shall consist of forged brass ASTM B584 and POM, rated at no less than 2500 kPa (360 psi) static pressure and +120°C (+248°F). 3.2. The insert shall include a lock-ring for fast fitting and re-fitting of flow regulation unit. 3.3. The valve shall withstand a shut-off pressure of at least 400 kPa (58 psi) without allowing internal leakage. 3.4. The seat plug shall be manufactured of EPDM rubber. 3.5. The packing gland for sealing the stem shall be removable with the system in operation, without allowing external leakage. 4. VALVE HOUSING 4.a. FlowCon A 4.a.1. Valve housing shall consist of forged brass ASTM CuZn40Pb2 or DZR brass ASTM CuZn36Pb2As, rated at no less than 2500 kPa (360 psi) static pressure and +120°C (+248°F). OR…. 4.b. FlowCon AB 4.b.1. Valve housing shall consist of forged DZR brass ASTM CuZn36Pb2As, rated at no less than 2500 kPa (360 psi) static pressure and +120°C (+248°F). 4.b.2. Pressure/temperature test plugs for verifying accuracy of flow performance shall be available for all valve sizes. OR…. 4.c. FlowCon ABV 4.c.1. Valve housing shall consist of forged brass ASTM CuZn40Pb2, rated at no less than 2500 kPa (360 psi) static pressure and +120°C (+248°F). 4.c.2. Valve housing shall be double union end constructed with a range of pipe connections available for the appropriate pipe size. 4.c.3. Valve ball shall consist of chemically nickel plated brass (ASTM CuZn40Pb2). 4.c.4. Pressure/temperature test plugs for verifying accuracy of flow performance shall be available or all valve sizes. 5. FLOW REGULATION UNIT 5.1. Flow regulation unit assembly shall be manufactured of AISI type 304 stainless steel and stainless steel 17-7 spring. 5.2. Flow regulation unit shall be readily accessible for change-out or maintenance. 5.3. Flow regulation unit shall be available in 3 different operational pressure ranges, minium range shall be capable of being activated by 10 kPaD (1 psid). Further, the flow regulation unit shall be capable of con- trolling flow within ±5% of rated flow. 5.4 Indentification tag shall be available for all valves; tag shall be indelibly marked with part number and flow rate. Tech note · FlowCon EVS · may 2024 · www.flowcon.com Page 6 of 7
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APPLICATION AND SCHEMATIC EXAMPLE UPDATES For latest updates please see www.flowcon.com FlowCon International can accept no responsibility for possible errors in any printed material. All rights reserved. Tech note · FlowCon EVS · may 2024 · www.flowcon.com Page 7 of 7
