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Insert Check Valves - Watts Industries

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IINSERT CHECK VALVESIW 020 DN 20The <strong>Watts</strong> check valve type IW 020 shows the inventive solutions of <strong>Watts</strong>Ocean.Our R&D made this check valve for our customers with the same performancesthey are used to.Other diameters and closing pressures are also possible.31Technical specificationsWorking pres. PN10Testing pres. 1600 kPaClosing pres. 10 cm wcMax. temp. up to 90 °CDiam. nominal DN 20Material specificationsHousePOMValvePOMTorpedoPOMDiaphragm RubberO-ringRubberSpringStainless SteelOther diameters and other closing pressures on request.Mounting dimensions O-ring Product dimensions2.0max ø 15.2+ 0.1ø 19.8 0ø 20.6 ± 0.1ø 16ø 1120˚30˚+ 0.310.8 0min 0.433Pressure loss-curvedelta P (kPa)1009080706050403020100 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4 7.2 8.0flow (m 3 /h)

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