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ACCESSORIES • ACC00210: Capillary tube with fittings and adaptor for connection to FlowCon standard housing taps. • ACC0001: Adjustment key. • ACC0086: Protection cap. HOW TO SELECT The FlowCon ADP valve is to be selected based on the required flow rate and calculated differential pressure across the controlled circuit ( Δ pC) at design flow (see flow rate table and flow curves below for reference). Δp H Δ pC Δ pBV Controlled Circuit EXAMPLE: Design flow rate = 340 l/hr (1.50 GPM) Pipe size = DN15 (1/2”) Δ pC = 7 kPaD (1.02 psid) (design condition) Select valves (DPCV and partner valve) based on line size and system requirements to eliminate pipe modifications. In this example it will be FlowCon ADP.0 and FlowCon Partner Ball. Δ pV Δ pC = Controlled Δ p Circuit Δ pV = Δ p across FlowCon ADP Δ pBV = Δ p across Partner Valve Δ pH = Δ p Pump Head Select FlowCon ADP setting based on required (calculated) Δ pC at design flow. From the ADP.0 flow rate table, proper setting is found in the intersection between needed Δ pC and design flow. To optimize the system energy efficiency, select the setting providing closest higher Δ pC. In this case setting 3.0 will be the proper choice. ADP.0 will with this setting allow 340 l/hr (1.50 GPM) at the design Δ pC. Select your partner valve (FlowCon Partner Ball is recommended) and determine the Δ pBV: In this case recommendations are followed, and a FlowCon Partner Ball is selected. From its specification Δ pBV is calculated to 1.11 kPaD (0.16 pisd). Determine minimum pump head: Note that ΔpV MIN + ΔpC is always 17 kPaD for an ADP.0 + calculated Δp of the DPCV housing. Δp is calculated using the standard formula Δp = (Qdesign / Kv) 2 * 100. In this case Δp = (0.34 m 3 /hr / 3.1 m 3 /hr) 2 * 100 = 1.2 kPaD (0.17 pisd) ΔpH = ΔpBV + (ΔpC + ΔpV MIN ) + Δp = 1.11 + 17 + 1.2 = 19.31 kPaD (2.8 psid) The pump can now be selected considering a pressure drop of 20 kPaD (2.9 psid). FlowCon ADP.0 in setting 3.0 will hereafter ensure that design flow never exceeds 340 l/hr (1.50 GPM) at the design Δ pC. Applying a thermal actuator on the FlowCon ADP will allow design Δ pC and flow when open and a full shut-off function when the actuator is closed. Tech note · FlowCon ADP · february 2024 · www.flowcon.com Page 6 of 8
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FLOW RATE AND SETTINGS S S et e ti t n t g i s ngs 5.0 4.5 4.0 3.5 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 3 4 6 FlowCon ADP.0 Flo Fl w ow ( ( l l / / h hr ) ) 700 600 500 400 300 200 100 0 8 10 12 14 16 17 D Δ p p C C ( ( k k P P aD a ) ) S S et e ti t n t g i s ngs 5.0 4.5 4.0 3.5 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 FlowCon ADP.1 Flo Fl w ow ( ( l l / / h hr ) ) 1200 1000 800 600 400 200 35 0 10 15 20 25 30 35 D Δ p p C C ( ( k k P P aD a ) ) Tech note · FlowCon ADP · february 2024 · www.flowcon.com Page 7 of 8
