Solenoid ON/OFF Control Valve E5250-10
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SOLENOID <strong>ON</strong>/<strong>OFF</strong><br />
C<strong>ON</strong>TROL VALVE, <strong>E5250</strong>-<strong>10</strong><br />
Envotec Model <strong>E5250</strong>-<strong>10</strong> Pilot Operated <strong>Solenoid</strong> control<br />
valves are <strong>ON</strong>/<strong>OFF</strong> type designed to open or close with<br />
receiving an electrical signal to the 3-way solenoid pilot control.<br />
The signal to the solenoid to open or close can also achieved<br />
by flow switches, float switches, level sensing electrodes,<br />
pressure switches, timers and other similar electrical signals.<br />
The 3-way solenoid pilot provisioned with manual override<br />
knob, in the event of power failure the knob can be turned to<br />
function the valve in a manual mode. Turning the knob back to<br />
original position activates the valve to auto mode.<br />
The valve can be configured to normally open or normally<br />
closed based on user requirements.<br />
FEATURES<br />
• High hydrodynamic section globe body, w/o stagnation<br />
pockets<br />
• NSF Approved epoxy coating internal/external suits<br />
potable(drinking) water applications<br />
• Simple structure, easy installation/disassembly<br />
• Head loss and cavitation risks reduction<br />
• Excellent corrosion strength<br />
• Conformity with both European and American standards<br />
• <strong>Valve</strong> equipped with pilot strainer to protect foreign debris<br />
entering to the pilot system<br />
• <strong>Valve</strong> equipped with isolation cocks for easy maintenance<br />
• Maintenance and repairs is possible without removing the<br />
main valve body from the line.<br />
• <strong>Valve</strong> equipped with pressure gauge for physical<br />
visualization of inlet/outlet pressure<br />
• Main-valve body provisioned with drain plug for flushing out<br />
dirt during the preliminary installation and when required.<br />
• <strong>Valve</strong> equipped with position indicator for physical<br />
visualization of valve open/close position<br />
TECHNICAL SPECIFICATI<strong>ON</strong>S<br />
Max. Working Pressure: 16 bar (232 psi)<br />
Max. Working Temperature: 80ºC (176°F)<br />
Nominal Diameter: DN32~ DN600<br />
Fluid Medium: Water<br />
<strong>Solenoid</strong> Coil Voltage: 24, 240VAC, 50Hz / 24, 240VDC<br />
(Other voltages are available on request).<br />
APPLICATI<strong>ON</strong>S<br />
• Water supply, distribution & pump stations<br />
• Water treatment<br />
• Water supply stations (airports, marine and fluvial ports)<br />
• Sports complexes, Swimming pools, Aquariums, Amusement<br />
parks<br />
• Suitable for Residential, Commercial, Industrial, Irrigation,<br />
Fire protection & similar installations<br />
3<br />
SCHEMATIC DESIGN<br />
1. <strong>Valve</strong> Body<br />
5<br />
4<br />
2<br />
5<br />
2. <strong>Valve</strong> Cover<br />
3. 3-Way <strong>Solenoid</strong> Pilot<br />
4. <strong>Control</strong> Circuit “Y” Strainer<br />
GGG40<br />
5. <strong>Control</strong> Circuit Isolation <strong>Valve</strong>s<br />
6. Body Drain Plug<br />
6<br />
1<br />
Flow Direction<br />
Envotec INC | 306 Avenida Salvador | San Clemente | CA92672 | USA<br />
Ph: +1 (949) 332-0880 | Fax: +1 (770) 234-6664<br />
E-mail: info@envotec.us | Web: www.envotec.us PAGE 1 OF 4
MAIN VALVE, E5000 PILOT, E53-<strong>10</strong><br />
Body & Cover: Ductile Iron ASTM A536<br />
Coating: Fusion Bonded Epoxy Coating to 300 Microns<br />
Seat/Stem/Spring: Stainless Steel 316<br />
Diaphragm/Disc/O-ring: EPDM<br />
Diaphragm Washer: Stainless Steel 316<br />
Disc Retainer/Guide: Stainless Steel 316<br />
Cover Bearing: Stainless Steel 316<br />
Cover Bolts/Seat Screws: Stainless Steel 316<br />
Body/Cover Plugs: Stainless Steel 316<br />
STANDARD PILOT SYSTEM<br />
Ball <strong>Valve</strong> (Isolation Cocks): Brass , EBV-BR<strong>10</strong>0<br />
Y-Strainer: Bronze ASTM B62, ES-BZ<strong>10</strong>0<br />
Body: Brass<br />
Seals & Disc: NBR<br />
Core Tube: 305 Stainless Steel<br />
Core & Plug Nut: 430F Stainless Steel<br />
Core Springs: 302 Stainless Steel<br />
Shading Coil: Copper<br />
Disc-Holder: CA<br />
Core Guide: CA (<strong>10</strong>.1 and 17.1 Watt only)<br />
PILOT CIRCUIT<br />
Tubing: Copper<br />
Tube Fittings: Brass<br />
OTHER C<strong>ON</strong>FIGURATI<strong>ON</strong>S<br />
<strong>E5250</strong>-11 Booster Pump <strong>Control</strong> <strong>Valve</strong><br />
<strong>E5250</strong>-12 Booster Pump <strong>Control</strong> <strong>Valve</strong> with Mechanical Lift Check<br />
WEIGHT & DIMENSI<strong>ON</strong>S<br />
ØD L H B<br />
WEIGHT<br />
(Kgs)<br />
32 180 220 165 17<br />
40 180 220 165 17<br />
50 230 220 165 17<br />
65 290 230 185 20<br />
80 3<strong>10</strong> 290 200 26<br />
<strong>10</strong>0 350 3<strong>10</strong> 235 35<br />
125 400 340 270 48<br />
150 480 440 300 85<br />
200 600 535 360 115<br />
250 730 560 425 140<br />
300 850 660 485 420<br />
350 980 695 555 530<br />
400 1<strong>10</strong>0 985 620 800<br />
500 1250 <strong>10</strong>40 730 950<br />
600 1450 <strong>10</strong>95 845 1350<br />
700 1650 1305 9<strong>10</strong> 2600<br />
800 1850 1360 <strong>10</strong>25 3000<br />
All dimensions in: mm<br />
Envotec INC | 306 Avenida Salvador | San Clemente | CA92672 | USA<br />
Ph: +1 (949) 332-0880 | Fax: +1 (770) 234-6664<br />
E-mail: info@envotec.us | Web: www.envotec.us PAGE 2 OF 4
CAVITATI<strong>ON</strong> CURVE<br />
Too high pressure loss and too low downstream pressure<br />
may cause valve deterioration. To determine if<br />
cavitation is due to pressure conditions, it is necessary<br />
to refer to cavitation curve. Just in case reduce ∆p by<br />
installing more cascade flow control valves will help<br />
valve to work outside cavitation zone.<br />
A. Cavitation free zone<br />
B. Cavitation zone<br />
Kv FACTOR<br />
Kv factor values expressed in m3/h are intended for fully open valve and refer to flow rate which passing through the valve, causes<br />
a pressure loss equal to 1 bar.<br />
DN 50 65 80 <strong>10</strong>0 125 150 200 250 300 350 400 500 600 700 800<br />
Kv(m3/h) 50 52 1<strong>10</strong> 136 198 288 490 7<strong>10</strong> 1390 1530 2280 3220 3920 7200 7400<br />
Note: It is recommended to install by a experienced/ trained product installer. You are required to thoroughly read all installation instructions<br />
and product safety information before beginning the installation of this product. Local plumbing codes shall govern installation requirements.<br />
Ensure that all applicable national, local building codes and safety rules are observed throughout the installation.<br />
Envotec INC | 306 Avenida Salvador | San Clemente | CA92672 | USA<br />
Ph: +1 (949) 332-0880 | Fax: +1 (770) 234-6664<br />
E-mail: info@envotec.us | Web: www.envotec.us PAGE 3 OF 4
INSTALLATI<strong>ON</strong> REQUIREMENTS<br />
Recommended to install valves in horizontal position.<br />
Avoid installing valves 6" and above in a vertical discharge position.<br />
If your installation requires vertical position, consult factory or specify at the time of order.<br />
MAINTENANCE REQUIREMENTS<br />
An Isolation valve (Gate valve/Butterfly valve/Ball valve) should be installed before and after the automatic<br />
control valve for easy maintenance without draining the piping system.<br />
SIZING REQUIREMENTS<br />
Following are the different stage of automatic control valve installations considering minimum flow, maximum flow & pressure<br />
drop across the valve (cavitation) ∆p (P1-P2).<br />
TYPICAL SOLENOID VALVE STATI<strong>ON</strong><br />
Level Sensing <strong>Control</strong>ler<br />
Float Switches<br />
Pressure Switch<br />
Flow Switch<br />
Timers<br />
PLC<br />
BMS/SCADA<br />
GGG40<br />
Flow Direction<br />
Envotec® reserves the right to change or modify product design, construction, specifications or materials without prior notice and without<br />
incurring any obligation to make such changes and modifications on Envotec products previously or subsequently sold.<br />
Envotec INC | 306 Avenida Salvador | San Clemente | CA92672 | USA<br />
Ph: +1 (949) 332-0880 | Fax: +1 (770) 234-6664<br />
E-mail: info@envotec.us | Web: www.envotec.us PAGE 4 OF 4
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