220 Series Brass Valves Built on proven technologies and components, the new Toro 220 Series brass valves are tough, have improved performance and are extremely reliable. A self-flushing, clog-resistant stainless-steel filter for dirty water conditions and a precise, easy-to-use optional pressure-regulating module assures optimum performance and application versatility. The 220 Series brass valve from Toro, the name says it all .220-PSI toughness Specifying Information 220 X Configuration 23–BSP, Electric 24–BSP, Pressure-Regulated (5-100) 26–NPT, Electric 27–NPT, Pressure-Regulated (5-100) Solenoid 0–60 Hz Solenoid 5–50 Hz Solenoid 6–Less Solenoid Size 4–1 ” (25mm) 5–11/4 ” (32mm) 6–11/2 ” (40mm) 8–2 ” (50mm) 9–21/2 ” (65mm) 0–3 ” (75mm) For Example: When specifying a 1 ” (25mm) NPT pressure-regulated, 220 Series Brass Valve, you would specify: 220-27-04 Note: Less solenoid available in 1 “, 11/2 “, 2 ” and 3 ” (25, 40, 50 and 75mm) electric NPT and BSP versions only.
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1 “, 11/2 ” and 2 ” (25, 40 and 50mm) — globe configuration. 21/2 ” and 3 ” (65 and 75mm) — angle configuration. Specifications (cont.) s Bidding Specifications The 220 Series remote control valve body and bonnet shall be constructed of ingot brass valve and stainless steel and have a maximum pressure rating of 220 PSI. The diaphragm shall be made of double-beaded, fabric-reinforced rubber to retain flexibility and provide maximum sealing throughout its area. The diaphragm assembly shall be fully serviceable, held together with stainless-steel components. All parts shall be serviceable from the top of the valve without removing the valve from the line. The valve may be installed at any angle without affecting valve operation. All other internal parts shall be made of brass and stainless steel to ensure corrosion resistance. The valve shall have an internal manual downstream bleed to prevent flooding of the valve box and be capable of operation by hand with a screwdriver or a socket wrench. The manual bleed also shall be capable of external bleed for system flushing. The valve shall have a removable, selfflushing, 120-mesh, stainless-steel filter screen. The screen will be positioned on the supply side of the stream. The valve shall have a manual flow control with a hand-operated, rising-type flow-control stem with a control wheel/handle. The flow control shall be adjustable down to zero flow. For 1 ” models, friction loss at 40 GPM shall not exceed 7.0 PSI on electric valves. For 11/4 ” models, friction loss at 100 GPM shall not exceed 16.0 PSI on electric valves. For 11/2 ” models, friction (continued) 220 2 ” s Specification Models: 1 1 220 Series electric, 1 “, 1 /4 “, 1 /2 “, 2 “, 21/2 “, 3 ” 220 Series electric pressure regulating, 1 “, 11/4 “, 11/2 “, 2 “, 21/2 “, 3 ” Flow range: 1 ” — 5-40 GPM 1 1 /4 ” — 20-100 GPM 1 1 /2 ” — 20-130 GPM 2 ” — 30-180 GPM 1 2 /2 ” — 60-250 GPM 3 ” — 80-350 GPM Operating pressure: Electric models: 10-220 PSI maximum Pressure-regulating models: Outlet: 5-30 PSI, ± 3 PSI (EZR-30) 5-100 PSI, ± 3 PSI (EZR-100) Inlet: 15-220 PSI Minimum pressure differential (between inlet and outlet): 10 PSI Burst pressure safety rating: 750 PSI s Body styles: 1 1 Globe valve — 1 “, 1 /4 “, 1 /2 “, 2 ” female threads 1 Angle valve — 2 /2 “, 3 ” female threads BSP threads available Solenoid: 24 V a.c. Inrush: 0.40 amps, 11.50 VA Holding: 0.20 amps, 5.75 VA Dimensions: 3 1 ” — 5 /4 ” H x 5 ” W /4 ” — 6 /2 ” H x 6 ” W /2 ” — 6 /2 ” H x 6 ” W 1 2 ” — 7 /2 ” H x 5 ” W 1 3 1 2 /2 ” — 8 /4 ” H x 8 /2 ” W 3 1 3 ” — 8 /4 ” H x 8 /2 ” W 220 PSI maximum pressure rating Ingot brass and stainless-steel construction 5-year warranty Removable, self-flushing, contamination-proof, 120-mesh, stainless-steel filter screen (electric models) Precise pressure control with compact EZReg dial design Pressure regulates in electric and manual modes, serviceable under pressure Standard built-in the body Schrader style valve Manual flow control: adjustable to zero flow Internal downstream manual bleed External manual bleed Tough, double-beaded fabricreinforced rubber diaphragm rated at 750 PSI No external tubing SEPTEMBER 2000 220 Series Brass Valves Bidding Specifications (cont.) loss at 120 GPM shall not exceed 15.0 PSI on electric valves. For 2 ” models, friction loss at 180 GPM shall not exceed 14.0 PSI on electric valves. For 21/2 ” models, friction loss at 250 GPM shall not exceed 7.0 PSI on electric valves. For 3 ” models, friction loss at 350 GPM shall not exceed 7.5 PSI on electric valves. The burst pressure safety rating shall be 750 PSI. The valve must open or close in less than one minute at 220 PSI, and less than 30 seconds at 20 PSI. The valve shall have a plastic solenoid, which is fully encapsulated and have a captured hex plunger and spring. The solenoid will have a removable retainer for servicing of the spring and plunger. The plunger shall be on a stainless-steel solenoid seat for longer life. The 24 V a.c. solenoid shall open with a 22.5 V a.c. minimum at 220 PSI. At 24 V a.c. average inrush, current shall not exceed 0.40 amps. Average holding current shall not exceed 0.20 amps. Line Pressure 220 PSI 200 PSI 175 PSI 150 PSI 125 PSI 100 PSI 75 PSI 50 PSI Voltage 22.5 21.1 20.2 19.1 18.2 17.1 16.1 16.0 pressure gauge to verify downstream pressure. The valve shall be able to field retrofit with an optional pressureregulating module, EZRegTM, which can be factory or field installed. The regulator shall be able to be fieldinstalled or serviced under pressure. The valve shall have a forward-flow design to ensure more precise regulation when used with a pressure regulator. Recommended Installation Instructions The valve shall have a built-in, Schrader-type valve for attaching a In commercial installations, it is advantageous to mount valves in a valve box. Logically, if mounted in valve boxes, they can be located, accessed and maintained easily. Instructions should include the use of clean aggregate to fill the bottom of the box, and keeping valve box locations away from structures, potential hardscaping Pressure Regulating Electric Models: features (such as sidewalks) and large planting locations. Additionally, valve The pressure regulator, EZReg, shall be of dial design to permit visual setting box locations generally should be in shrub beds and at right angles to of pressure with or without the valve structure locations. Valves can be being operated or the use of a pressure below grade but, even so, should gauge. The regulator shall be of a specify the use of 4 ” PVC pipe to the screw-in type and shall regulate valve bonnet and a Toro valve cover precisely over a 5-100 PSI range with maximum inlet pressure of 220 PSI. The (Part No. 850-00). The pressure-regulating model gives regulator shall maintain the set pressure within ± 3 PSI (with a 10 PSI differential you a specifying choice in cases where you must reduce a high available between inlet and outlet). pressure, where you are running The [1 "/1 /4 "/1 /2 "/2 "/2 /2 "/3 "] 220 Series downhill or where you must isolate a valve shall be of [electric, electric lateral at a lower pressure than the main pressure regulating] configuration with line. The pressure-regulating model female-threaded inlet and outlet connections. The 1 “-2 ” valves shall be an maintains a constant downstream pressure, regardless of fluctuating in-line configuration and the 21/2 “-3 ” upstream pressure and flow conditions valves shall be an angle configuration. through the valve. The valve shall be developed, Electric control valve instructions manufactured, qualified and released in should specify direct-burial wire, the USA. The valve shall come with a utilizing different colors for hot hook-up 5-year trade warranty. to each remote location and one color for the common wire to all valves. The valve shall be manufactured, Watertight splice connections are qualified and released in the USA. The valve, model number , absolutely essential for proper valve operation and should be covered with shall be manufactured by The Toro in-depth instructions. Expansion loops Company, Irrigation Division, El Paso, at each valve location on long-run wire Texas, USA. lengths generally are a good idea. Friction Loss Model Electric For optimum performance when designing a system, be sure to calculate total friction loss to ensure sufficient downstream pressure. · For optimum regulation performance, size regulating valves toward the higher flow ranges. …
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