Sleeve valveS - Premier Valves

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6premier sleeve valves5. Headloss CoeeficientsThe headloss coefficients (ξ) as applied in the head loss equation,2vH f= ξ ⋅ , are:2gValve opening2vHeadloss Coefficient H f= ( ξ) ⋅2gFlow Coefficient (Kd)10% 337 0.05520% 42 0.15530% 14 0.26540% 7.7 0.36050% 4.8 0.45560% 3.5 0.53570% 2.7 0.60680% 2.2 0.67590% 1.9 0.730100% 1.7 0.770These coefficients are applied to valves from ∅500 and up, for valves up to ∅500 increase thesecoefficients by 5%. See the attached reference list for valve sizes currently available.Note that we will design smaller valves if required.5. 6. GeneralContact Premier Valves for more information on our sleeve valves and other products such asring needle valves, butterfly valves, gate valves, non return valves and hydrants. Premier Valvescan assist in the selection and sizing of valves for all your water applications.Premier Valvesaddress: P.O.Box 11735randhart 1457Telephone: (011) 908-3760Facsimile: (011) 908-1268email:sales@premiervalves.co.zaWebsite:www.premiervalves.co.zaThe illustrations in this catalogue are subject to modifications without notice.premierP.O. Box 11735, Randhart, South Africa, 1457sales@premiervalves.co.zavalves (Pty) LtdT +2711-908-3760 F +2711-908-1268www.premiervalves.co.za
premier sleeve valves77. Reference listDN Drip tight Operator Customer/Locationmm(kPa)600 DWAF - Amatole200 DWAF - Slang River250 DWAF - Slang River400 DWAF - Zaaihoek600 DWAF - Zaaihoek150 DWAF - Slang River300 DWAF - Slang River200 DWAF - Slang River200 DWAF150 Rotork 7A Syncropak VAC-CENT600 DWAF - Amatole150 2500 DWAF150 4000 DWAF300 1600 Grinaker - Walter Roux150 1000 460 Handwheel VAC-CENT - Haarlem Dam400 Rotork 7A Syncropak VAC-CENT600 Hydraulic Cylinders DWAF - Glenmelville Dam1200 Position Indication Only DWAF - Glenmelville Dam150 600 460 Handwheel Premier Valves400 600 Rotork 7A Syncropak Premier Valves200 1600 Captop Inanda Wiggins Aqueduct300 240 200 Handwheel Grinaker - Zoeknog Dam250 1000 Rotork 13A Durban City Council150 1000 Rotork 13A Durban City Council400 250 300 Handwheel Temba Civils900 1000 Hydraulic Cylinders Deutsche Babcock - Lesotho Highlands250 1600 Hydraulic Cylinder GFC - Lesotho Highlands250 4000 L120-10/3+CR3 Bevel Gear Box DWAF - Sabie River, Bosbokrand100 4000 L120-10/3 DWAF - Sabie River, Bosbokrand400 80 200 Handwheel DWAF - Nondwene Weir200 1600 Manual Linear Actuator Fregold200 2500 Manual Linear Actuator Fregold600 1600 DWAF - Mutshedzi400 2700 Rotork IQ10/IB4 Umgeni Water600 900 600 Handwheel Grinaker - Ceres Dam250 900 300 Handwheel Grinaker - Ceres Dam1400 330 Hydraulic Cylinders DWAF - Rockview1000 450 Hydraulic Cylinders DWAF - Injaka Dam400 450 Hydraulic Cylinder DWAF - Injaka Dam1000 1000 Hydraulic Cylinders DWAF - Nandoni Dam600 1000 Hydraulic Cylinders DWAF - Nandoni Dam300 1600 Rotork IQ12 Umgeni Water – Claridge Reservoir1200 1000 Hydraulic Cylinders KDJV - Maguga Dam400 1000 Hydraulic Cylinders KDJV - Maguga DamThe illustrations in this catalogue are subject to modifications without notice.premierP.O. Box 11735, Randhart, South Africa, 1457sales@premiervalves.co.zavalves (Pty) LtdT +2711-908-3760 F +2711-908-1268www.premiervalves.co.za
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Sleeve valveS - Premier Valves

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