FlowCon EVC DYNAMIC BALANCED TEMPERATURE CONTROL VALVE INSTALLATION AND OPERATION INSTRUCTION FlowCon EVC 15-25mm, 1/2”-1” The temperature control and automatic balancing valve FlowCon EVC is for use as terminal valve in an air condition or heating system to control the room temperature and automatic maintain the balance of the system. Install the FlowCon EVC as called for in the design drawings. Although the performance of the valve is not affected either way, industry standards call for balancing devices to be installed on the downstream side of the terminal unit. INSTALL THE VALVE HOUSING WITH THE FLOW DIRECTIONAL ARROW POINTING IN THE CORRECT DIRECTION. The FlowCon EVC is available with union end connection on the inlet and fixed female threaded outlet (see figures 1 and 2). end connection ordered. The threads on both the connection and piping should be cleaned carefully. The union nut and the end connection should be removed for installation. An o-ring is supplied with the valve body and is used to seal the connection. It is recommended to grease the o-ring with a silicone grease before installation. IMPORTANT: Never use mineral oil or petrol based grease or oil on the o-ring. Please make sure it is in place in the o-ring groove in the inlet of the valve body, when installing the housing and REMEMBER TO TIGHTEN THE UNION NUT TO ENSURE SEALING. Soldered end inlet (sweat): REMOVE THE END CONNECTION FROM THE HOUSING BEFORE SOLDERING. THIS ENSURES THAT O-RING AND INTERNAL PARTS ARE NOT DAMAGED BY HEAT. Threaded outlet: The thread standard on the outlet is either ISO ISO 228, which is a straight metric thread (compatible with BS-2779) or NPT threading standard, depending on the product number ordered. Figure 1 Two types of union end connections are available for use with the union nut: Threaded inlet (male or female): The thread standard is ISO 228, which is a straight metric thread (compatible with BS-2779) or NPT threading standard, depending on the Figure 2 Denmark Dubai USA Singapore -1- FlowCon International assumes no responsibility for mistakes, if any, in any printed material. www.flowcon.com 1D95000ISO - 04/2016
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