INTERNATIONAL REPORT...24

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2 CONTENT ABOUT YAOFENG 1 ABOUT ANTI RODENTS BITING VALVE 2 IRRIGATION SOLENOID VALVE 1 Inch Nylon Valve...5 1½ Inch Nylon Valve Inch Nylon Valve Inch Nylon Valve Inch UPVC Valve Inch UPVC Valve...10 Plastic Pressure Pilot Technical Data Typical Applications Instructions IRRIGATION SOLENOID 2 way Solenoid way Solenoid...21 PRODUCTION, TEST AND APPLICATION INTERNATIONAL REPORT

3 ABOUT YAOFENG IrriRich, the brand of the Ningbo Yaofeng Hydraulic Electrics Co., Ltd, specialize in the irrigation products including the irrigation solenoids and 1 to 4 water valves. Our company was established in 1978 and the market covers all the cities in China including Hongkong, Taiwan, especially we supply the valves to China s Ministry of Water Resources and we are among the promotion companies list by the China Government. Our oversea market covers America, Canada, Italy, Poland, Spain, Israel, Australia, Russia etc countries all over the world. With our extraordinary experience in the solenoid business, we have formed a creative specialized technical and management team, and we have won the high reputation throughout our customers. us: China@yfsolenoid.com 1

4 ABOUT ANTI-RODENTS BITING VALVE There is a saying that By gnawing through a dike, even a rat may drown a nation. This is the power of rats and their family of rodents. With rodent population growing 10X faster than humans, the riot caused by them is also escalating at an equal pace. Polymer products are particularly affected since they cannot endure the attack by rodents. IrriRich has recently introduced an innovative way to protect the PE hoses from the rodent biting, no worries to the rodent biting any longer! The IrriRich s innovative anti-biting plastic water valves designed for protecting the PE housing from animal biting include the bird, rat or other rodents in the fields. The valves are used in the drip and sprinkler irrigation system for field, especially for the projects in the hill ground and mountain those need to use the pressure regulator in order to protect the dripline due to the growth of the pressure caused by the height difference.. IrriRich s DSF series valves are available with a wide range of control options, and end connections (either female threaded inlet and outlet or solvent welding), making them amongst the most versatile valves of their kind.valve port sizes are 1, 1.5, 2, 3 and Max. 4. This feature allows maximum dependability at a minimum level of maintenance. For more detailed information on these anti-biting agricultural valves, please visit us at Visit us at: 2

5 IRRIGATION SOLENOID VALVE us: 3

6 DSF Series Irrigation Valves from IrriRich IrriRich s DSF series is innovative plastic valves designed for control of drip and sprinkler irrigation system for field crops, vineyard and orchard, greenhouse, nursery and landscape applications. Specially designed for a variety of water control applications, DSF series valves are made out of sturdy, durable, corrosion resistant, high-quality materials, and produced by our ISO accredited factory, who has already developed into the China s Leading Professional Manufacturer of IRRIGATION SOLENOID VALVES. DSF series valves from IrriRich are manufactured in a variety of models: including throttling, pressure regulating, various end connections, and an optional Built-in 2Wire Decoder/Solenoid (DIAS). With their simple designs, DSF series solenoid valves allow maximum dependability at a minimum level of maintenance, while yielding optimal irrigation operation. Features High-capacity designs with remarkably low pressure losses Very low opening pressure Strong and reliable, even under harshest conditions Super compact structure and minimal parts, simple to install and maintain Versatile design: 3 Way and 2 Way operation Corrosion resistant highest quality materials Benefits Cost-saving on cables with low inrush- and holding-current solenoids or decoders Optional, built-in 2Wire decoder (DIAS) Simple in-line installation for easy, low-cost maintenance Available with a throttling handle for flow control: only in 1-inch NYLON Valve Extremely competitive prices Available Versions IrriRich s DSF series valves are available with a wide range of control options, and end connections (either female threaded inlet and outlet or solvent welding), making them amongst the most versatile valves of their kind. Valve port sizes are 1, 1.5, 2, 3 and Max. 4. Visit us at: 4

7 1-inch NYLON Valve Specification Port Size Port Connection Body Material Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature 1-inch, DN25 Female Thread Connected, BSPT Glass-fiber Reinforced PA66 m 3 /h 7.6 USG/min 34 bar 10 psi 145 bar 0.69 psi 10 o C 60 o F 140 Dimensions (in millimetre) Components Product Uses Irrigation systems (Field Valves) Underground irrigation systems Agriculture Landscaping Green Houses Sprinkler systems Head Loss Chart: 2-way Electric Valve No. Parts Material 1 Valve Body Reinforced PA66 2 Diaphragm Seat Ring PA66 3 Diaphragm NBR 4 Spring 304 SST 5 O-Ring NBR 6 Valve Bonnet Reinforced PA66 7 Core Plug 304 SST 8 External Bleed Screw POM 9 M4 Bolts x SST 10 Regulating Stem POM & 304 SST 11 O-Ring NBR 12 Throttling Handle Turncap POM 13 Valve Core Seat POM 14 O-Ring NBR << Relationship between Flow and Head Loss >> 15 Internal Bleed Lever POM Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 16 Solenoid Assembly us: China@yfsolenoid.com 5

8 1 1/2 -inch NYLON Valve Specification Port Size Port Connection Body Material 1 1/2 -inch, DN40 Female Thread Connected, BSPT Glass-fiber Reinforced PA66 Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature Dimensions (in millimetre) m 3 /h 25 gal/min(us) 110 bar 10 psi 145 bar 0.69 psi 10 o C 60 o F 140 Components Product Uses Filtration Sprinkler systems Sewage systems Water supply systems Municipal water systems Agriculture Landscaping Green Houses Irrigation systems (Field Valves) Underground irrigation systems Head Loss Chart: 3-way Electric Valve No. Parts Material 1 Hexagonal Nuts x SST 2 Valve Body Reinforced PA66 << Relationship between Flow and Head Loss >> Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 3 Diaphragm EPDM 4 Spring Seat POM 5 Spring 304 SST 6 Latch Brass 7 Manual Override Switch POM 8 Valve Bonnet Reinforced PA66 9 O-Ring NBR 10 Adapter Reinforced PA66 11 Screw Plug Reinforced PA66 12 Bolts x SST Visit us at: 6

9 2-inch NYLON Valve Specification Port Size Port Connection Body Material Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature 2-inch, DN50 Female Thread Connected, BSPT Glass-fiber Reinforced PA66 m 3 /h 40 gal/min(us) 176 bar 10 psi 145 bar 0.69 psi 10 o C 60 o F 140 Dimensions (in millimetre) Components Product Uses Irrigation systems (Field Valves) Underground irrigation systems Sewage systems Water supply systems Municipal water systems Agriculture Landscaping Green Houses Filtration Sprinkler systems Head Loss Chart: 3-way Electric Valve No. Parts Material 1 Hexagonal Nuts x SST 2 Valve Body Reinforced PA66 << Relationship between Flow and Head Loss >> Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 3 Diaphragm EPDM 4 Spring Seat POM 5 Spring 304 SST 6 Latch Brass 7 Manual Override Switch POM 8 Valve Bonnet Reinforced PA66 9 O-Ring NBR 10 Adapter Reinforced PA66 11 Screw Plug Reinforced PA66 12 Bolts x SST us: China@yfsolenoid.com 7

10 3-inch NYLON Valve Specification Port Size Port Connection Body Material Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature 3-inch, DN80 Female Thread Connected, BSPT Glass-fiber Reinforced PA66 m 3 /h 90 gal/min(us) 396 bar 10 psi 145 bar 0.69 psi 10 o C 60 o F 140 Dimensions (in millimetre) Components Product Uses Irrigation systems (Field Valves) Underground irrigation systems Sewage systems Water supply systems Municipal water systems Agriculture Landscaping Green Houses Filtration Sprinkler systems Head Loss Chart: 3-way Electric Valve No. Parts Material 1 Valve Body Reinforced PA66 2 Diaphragm EPDM 3 Spring Seat POM 4 Spring 304 SST 5 Screw Plug Reinforced PA66 6 Valve Bonnet Reinforced PA66 7 O-ring NBR << Relationship between Flow and Head Loss >> Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 8 Adapter Reinforced PA66 9 M8 Bolts x SST Visit us at: 8

11 3-inch UPVC Valve Specification Port Size Port Connection Body Material 3-inch, 80mm Solvent Welding UPVC Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature Dimensions (in millimetre) m 3 /h 100 gal/min(us) 440 bar 10 psi 145 bar 0.69 psi 10 o C 40 o F 104 Components Product Uses Irrigation systems (Field Valves) Underground irrigation systems Sewage systems Water supply systems Municipal water systems Agriculture Landscaping Green Houses Filtration Sprinkler systems Head Loss Chart: 3-way Electric Valve No. Parts Material 1 Valve Body UPVC 2 Diaphragm EPDM 3 Spring Seat POM 4 Spring 304 SST 5 Valve Bonnet PA66 6 Nuts x SST << Relationship between Flow and Head Loss >> Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 7 Washers x SST 8 M12 Bolts x SST us: China@yfsolenoid.com 9

12 4-inch UPVC Valve Specification Port Size Port Connection Body Material 4-inch, DN100 Solvent Welding UPVC Operation Data Max. Flow Range Max. Working Pressure Min. Pressure Max. Temperature Dimensions (in millimetre) m 3 /h 160 gal/min(us) 700 bar 10 psi 145 bar 0.69 psi 10 o C 40 o F 104 Components Product Uses Irrigation systems (Field Valves) Underground irrigation systems Sewage systems Water supply systems Municipal water systems Agriculture Landscaping Green Houses Filtration Sprinkler systems Head Loss Chart: 3-way Electric Valve No. Parts Material 1 Valve Body UPVC 2 Diaphragm EPDM 3 Spring Seat POM 4 Spring 304 SST 5 Valve Bonnet PA66 6 Nuts x SST << Relationship between Flow and Head Loss >> Horizontal Axis Q : Flow rate, 1m 3 /h=4.4gpm(us)=3.67gpm(uk); Vertical Axis ΔH : Head loss, 1Bar=14.5Psi=0.1mwc. 7 Washers x SST 8 M12 Bolts x SST Visit us at: 10

13 Function: This multi-purpose, direct acting 3-way positioning pilot valve is actuated by a pressure responsive diaphragm, which seeks to reach equilibrium between hydraulic and set spring forces. The pilot directs flow and pressure between its ports: * when sensed pressure above set point, it connects port 0 to port 3; * when sensed pressure is equal to set point, it blocks connections between all ports; * when sensed pressure below set point, it connects port 3 to port 2. Relevant pressure is continuously sensed through port 1. Dimensions (in millimetre) Plastic Pressure Pilot Components Typical Applications * Pressure Reducing Valves (3-Way Control Circuit Type) Sizes from 1½ to 4 ; * Pressure Sustaining Valves (3-Way Control Circuit Type) Sizes from 1½ to 4 ; * Adjustable 3-way Hydraulic Relay (N.O. or N.C.); * Automatic Regulation Override, Sizes from 1½ to 4. Technical Data Pressure Rating: 10 bar 145 psi Working Temperature: Water up to F Flow Factor: Port 0 to 3: Kv Cv 0.13 m 3 1bar ΔP psi ΔP No Parts Standard Materials Port 3 to 2: Kv Cv 1 Adaptor Polyamide % F.G m 3 1bar ΔP psi ΔP 2 O-ring NBR Ports Size: 1/8 Female NPT Threads 3 Valve Core Polyamide % F.G. Adjustment Range / Setting Range Table 4 O-ring NBR Spring Set Pressure 5 Body Polyamide % F.G. bar psi 6 Diaphragm Rubber Assembly Natural 0.8 ~ ~ 95 7 Pressing Ring Polyamide % F.G. White 0.5 ~ ~ 40 8 Spring Stainless Steel #304 Connections 9 Spring Seat Polyamide % F.G. Port 0 Upstream for reducing, Vent for sustaining 10 Cover Polyamide % F.G. Port 3 Valve control chamber 11 Locking Nut Stainless Steel #304 Port 2 Vent for reducing, Upstream for sustaining Adjusting 12 Port 1 Downstream for Pressure Sensing Screw Stainless Steel #304 us: China@yfsolenoid.com 11

14 Technical Data Principle of Operation 3 Way Control The control device is used to either admit pressure into the control chamber to close the valve, or to relief pressure to the atmosphere to allow the valve to open. 2 Way Electric-Control A solenoid operator plugs the control chamber s outlet. A permanent connection from the upstream through a labyrinth restriction ensures line pressure into the chamber closing the valve. Energizing the solenoid operator opens a drain to the downstream, allowing the valve to open. Ordering Guide: Ordering Data Ordering Code Ordering Data Series Model Number DSF - 口口口 - 口 - 口口 Port Size Application 1 / 25mm (*) 1 ED2 Electric 2Way Valve (Integral Operator: 2-way 24VAC Normally-CLOSED Solenoid) 1.5 / 40mm 1.5 EL Electric 3Way Valve (3-way 24VAC Normally-OPEN Solenoid) 2 / 50mm 2 PR Pressure Reducing Valve 3 / 80mm 3 PS Pressure Sustaining Valve 4 / 100mm 4 QPR Quick Pressure Relief Valve Valve Bonnet EL/PR Electrically-activated Available with a throttling handle for Flow Control (* only in 1 ) Standard (Blank) Manually Controlled With a Plastic Internal Bleed Lever for M ON-OFF (* only in 1 ) or a Brass 3-port Selector M (other larger valves) Body Materials & Port Connections Glass Reinforced Polyamide (NYLON), B Female BSP Threaded Inlet & Outlet Glass Reinforced Polyamide (NYLON), N Female NPT Threaded Inlet & Outlet UPVC, Solvent Welding S F DIAS-2W DIAS-3W DIAS-PR Visit us at: Pressure Reducing Valve Decoder In A Solenoid 2Way Valve Decoder In A Solenoid 3Way Valve Decoder In A Solenoid Pressure Reducing Valve 12

15 Typical Applications DSF Series Valve Types Available M Manually Controlled Valve The valve is controlled manually, by a plastic internal bleed lever (* only in 1 ) or brass 3-port selector, that allows the user to select ON- OFF (* only in 1 ) or the CLOSED / OPEN / AUTO (remote controlled) position of the valve. The control is effortless and quick, even under high pressure conditions. ED2 2-way Electric Valve Electrically actuated, Normally-CLOSED valve with integral solenoid operator. The valve is designed for maximum simplicity for greenhouse and field irrigation, controlled by an electronic controller. Can be supplied with operation using AC, DC, Pulse-DC- Latching or integral 2Wire decoder (DIAS). Manual override is enabled through an integral switch. EL 3-way Electric Valve A 3-way solenoid valve, activated by electric current or an electric pulse (latch), or a built-in decoder, opens or closes the main valve. The standard valve is supplied as Normally CLOSED ( Normally OPEN is optional). Electric actuation can be added to other control applications on request. us: China@yfsolenoid.com 13

16 Typical Applications DSF Series Valve Types Available PR Pressure Reducing Valve The valve maintains a preset downstream pressure, regardless of upstream pressure or flow rate fluctuation. The valve allows full opening when upstream pressure drops below the pressure set-point. QPR Quick Pressure Relief Valve The valve is a hydraulically operated, which is the safety control valve designed to protect system by releasing pressure surges in water network elevation lines to atmosphere quickly, it protects a system against pressure surges caused by pump start-up or valves closure. When network pressure exceeds set point, valve opens by itself quickly and protects system by releasing over pressure. When line pressure decreases to normal level, it is closed slowly and automatically as fully tight without causing surge. PS Pressure Sustaining Valve The valve automatically maintains and sustains a preset upstream pressure discharging any overpressure downstream. It takes its feedback signal from upstream. The inlet pressure will be maintained steady reagardless of changes in flow rate or downstream pressure. EL/PR Electrically-activated Pressure Reducing Valve Designed to open and regulate downstream pressure to a stable preset value upon electric command from an irrigation controller. Electric command may be of constant current or pulse, as determined by the controller in use. Visit us at: 14

17 Instructions EL/PR Electrically-activated Pressure Reducing Valves Please refer to following instructions, about how to operate Electrically-activated Pressure Reducing Valves. 1. Always set the Black Plastic Handle of Brass 3-port Selector to "AUTO" position, imprinted on its Orange Plastic Circular Ring; 2. Connect 2 External Lead Wires of 3-way 24VAC Normally-OPEN Solenoid "3W-R-NO-24VAC" with electricity to energize it, then our EL/PR valves will be opened automatically; 3. If power shortage even without electricity, you can still open EL/PR valves manually, by turn 180 the White Plastic Manual Override Switch of 3-way Black Plastic Base factory-installed with solenoid, to be Upside Down; 4. The Pressure Regulator built inside a Black Plastic Shell attached to EL/PR valves edge, is designed to regulate EL/PR valves downstream / outlet pressure to a stable preset value: 2 bar (Default Setting upon delivery out of our factory); That means: our EL/PR valves maintain the above preset downstream pressure, regardless of upstream pressure or flow rate fluctuation; Our EL/PR valves allow full opening, when upstream pressure drops below the pressure set-point; Anyway, you can still adjust our EL/PR valves outlet pressure up to Another HIGHER Value than 2 bar default setting, by using a wrench to turn CLOCKWISE (recommended in 90 = 1/4 turn step by step), the Hexagonal Stainless-steel Bolt (along with 1/8 Male Threaded Stem) on their Pressure Regulators Top. < * Please make sure: EL/PR valves inlet / upstream pressure should always be HIGHER than their outlet / downstream pressure! > 5. But if you set the Black Plastic Handle of Brass 3-port Selector to "OPEN" or "CLOSE" position, in that case, 3-way 24VAC Normally-OPEN Solenoid "3W-R-NO-24VAC" will be OUT Of Operation. Useless, our EL/PR valves can also be opened or closed MANUALLY. 6. Regarding Built-in 2Wire Decoder (DIAS): All electric current operated (including EL/PR) valves can instead have a 2 Wire decoder/solenoid (DIAS). These need just a common 2 conductor path to all valves. There are many controllers and interfaces which can operate these, please inquire of Tonick Watering for more detailed information. 7. Should you still have any other questions, or if we can be of any further help to you in troubleshooting our Electrically-activated Pressure Reducing Valves, please feel free to contact us directly! us: China@yfsolenoid.com 15

18 IRRIGATION SOLENOID Visit us at: 16

19 Irrigation Solenoid from IrriRich IrriRich s irrigation solenoid is innovative automatic solenoid designed for solenoid valve. In this catalogue, users will find technical specifications of the new solenoid operators, designed by YAOFENG Company for highest performance in irrigation systems. Irrigation solenoid from IrriRich are manufactured in a variety of models: including 2way, 3 way, Latch and an optional Built-in 2Wire Decoder/Solenoid (DIAS). Benefits Regular Model Solenoids for other voltages are available, Including 12vdc, 24vdc, 24vac,110vac,220vac, etc Low holding current. It is very helpful for saving energy. Compatible with most continuous current controllers available. Available with plastic/brass adapter upon request Custom-designed or special connector plugs is also available. Just send us the drawing or the detailed model number of the connector. Latching Solenoid Requires low operating voltage. Compatible with most pulse-signal controllers. Wide range of operating voltages. Requires very short pulse for activation Applicable with solar- charged, battery-powered controllers. Applicable with remote wireless control system us: China@yfsolenoid.com 17

20 2-Way Solenoid Actuator S391 General Description IrriRich S391 solenoid is used to control the open and close of the various low flow irrigation water valves. When assembled with the irrigation controller, it can achieve the automatic control of the waterworks system with timing and rationing. An efficient design makes it possible to achieve high pressures with a low inrush and holding current. Specification Voltage: 12VDC, 24 VDC, 24 VAC, 110 VAC, 220 VAC Allowed deviation from voltage: ± 10% Insulation Grade: 500V/min. Pressure testing: 0-10BAR,one minute, no leakage Base connection: 3/4 20 UNEF male threaded Protection: IP66 Temperature range: Ambient Temp: Max 60 Fluid Temp: Max 80 Material: Housing: Reinforced Nylon 66 Plunger and Pole: Passivated Stainless iron Rubber Seal: NBR or EPDM Encapsulate: Epoxy Application: Operator Current (A) Wires Color Model Number Frequency type Inrush Holding 2w N.C.12 VDC Black/ Black S391D1GXW 12VDC N.C w N.C.24 VDC Red/ Red S391D1GXW 24VDC N.C w N.C.24 VAC Black/ Black S391A1GXW 24VAC N.C 50 Hz/60 Hz w N.C.110VAC Red/ Red S391A1GXW 110VAC N.C 50 Hz/60 Hz w N.C.220 VAC Red/ Red S391A1GXW 220VAC N.C 50 Hz/60 Hz Dimensions: Visit us at: 18

21 2-Way Solenoid Actuator S392 General Description IrriRich S392 solenoid is used to control the open and close of the various low flow irrigation water valves. When assembled with the irrigation controller, it can achieve the automatic control of the waterworks system with timing and rationing. An efficient design makes it possible to achieve high pressures with a low inrush and holding current. Specification Voltage: 24 VAC, 24 VDC, 12 VDC Allowed deviation from voltage: ± 10% Insulation Grade: 500V/min. Pressure testing: 0-10BAR,one minute, no leakage Base connection: 3/4 20 UNEF male threaded Protection: IP66 Temperature range: Ambient Temp: Max 60 Fluid Temp: Max 80 Material: Housing: Coated Metal Plunger and Pole: Passivated Stainless iron Rubber Seal: NBR or EPDM Encapsulate: Epoxy Application Operator Current (A) Wires color Model Number Frequency type Inrush Holding 50 Hz w N.C.24 VAC Red/ Red S392A1HXW 24VAC N.C 60 Hz w N.C. 24 VDC Black/ Black S392A1HXW 24VDC N.C w N.C. 12 VDC Blue/ Blue S392D1HXW 12VDC N.C Dimensions us: China@yfsolenoid.com 19

22 2-Way Solenoid Actuator LATCH General Description IrriRich 2 way Latch solenoid is used to control the open and close of the various low flow irrigation water valves. When assembled with the irrigation controller, it can achieve the automatic control of the waterworks system with timing and rationing. The two wire operator consists of one coil with exit of two lead wires. Metal parts are made of passivated stainless steel for maximum corrosion protection. Specification Voltage: 4~9VDC, 6~40VDC,9-30VDC (requires capacitor of 4700µf) Insulation Grade:500V/min. Pressure testing: 0-10BAR,one minute, no leakage Base connection: 3/4 20 UNEF male threaded Protection: IP66 Pulse width: 20ms-100ms Material: Housing: Coated Metal Plunger and Pole: Passivated Stainless iron Rubber Seal: NBR or EPDM Encapsulate: Epoxy Application Operator type Wires color Model Number Frequency Coil Resistance A(mm) 2w 4-9 VDC 6 Ω 42 2w 6-40 VDC Red/ Black S392C1HXW 50 Hz/60 Hz 6 Ω 42 2w 9-30 VDC 9 Ω 48 Dimensions Visit us at: 20

23 3-Way Solenoid Actuator Regular Model General Description IrriRich 3 way solenoid is used to control the open and close of the various low flow irrigation water valves. When assembled with the irrigation controller, it can achieve the automatic control of the waterworks system with timing and rationing. An efficient design makes it possible to achieve high pressures with a low inrush and holding current. Specification Voltage: 24 VAC, 24 VDC, 12 VDC Allowed deviation from voltage: ± 10% Insulation Grade:500V/min. Pressure testing: 0-10BAR,one minute, no leakage Base connection: 3/4 20 UNEF male threaded Protection: IP66 Temperature range: Ambient Temp: Max 60 Fluid Temp: Max 80 Material: Housing: Coated Metal Plunger and Pole: Passivated Stainless iron Rubber Seal: NBR or EPDM Encapsulate: Epoxy Application: Current (A) Operator Type Wires Color Model Number Frequency Inrush Holding 50 Hz w N.O. 24VAC Red / Brown 3W-D-NO-24VAC 60 Hz w N.C. 24VAC Red/ Blue 3W-D-NC-24VAC 50 Hz Hz Hz w-R-N.O. 24VAC Red 3W-R-NO-24VAC 60 Hz w N.O. 24VDC Black 3W-D-NO-24VDC w N.O. 12VDC Blue 3W-D-NO-12VDC Dimensions: us: China@yfsolenoid.com 21

24 3-Way Solenoid Actuator LATCH General Description IrriRich 3 way Latch solenoid is used to control the open and close of the various low flow irrigation water valves. When assembled with the irrigation controller, it can achieve the automatic control of the waterworks system with timing and rationing. The Latching type solenoid keeps the magnetic force with no electric power once the pulse triggers it, thus have the distinct effects of saving water and energy. The two wire operator consists of one coil with exit of two lead wires. Metal parts are made of passivated stainless steel for maximum corrosion protection. Specification Voltage: 9-12VDC, 9-30VDC Pulse (requires capacitor of 4700µf) Insulation Grade: 500V/min. Pressure testing: Based on the Orifice: Pressure:10 bar Base connection: 3/4 20 UNEF male threaded Protection: IP66 Pulse width: 15ms-100ms Material: Housing: Coated Metal Plunger and Pole: Passivated Stainless iron Rubber Seal: NBR or EPDM Encapsulate: Epoxy Application Operator type Wires Wires color Model Number Coil Resistance 3w Latch 9-12 VDC 2 Red/ Black 3w-9/12 VDC- Latch 5.2 Ω 3w Latch 9-30 VDC 2 Red/ Black 3w-9/30 VDC- Latch 9 Ω 3w Latch 9-30 VDC 3 Red/ Black/White 3w-9/30 VDC- Latch-3 9 Ω Dimensions: Visit us at: 22

25 PRODUCTION, TEST AND APPLICATION us: 23

26 INTERNATIONAL REPORT 1)CIT Test 2)Iran Test Visit us at: 24

27 Warranty Yaofeng Standard International Warranty Yaofeng (Yaofeng & IrriRich brand) manufactured products are guaranteed to be free from defect in material and/or workmanship and to perform as advertised when properly installed, used and maintained in accordance with current instructions, written or verbal. Should any item prove defective within the period set forth for that item, but in any case not later than within 12 (Twelve) months from that product having left Yaofeng factory, Yaofeng will repair or replace or refund the purchase price, at its sole option, any item proven defective in workmanship or material. Yaofeng will not be responsible for, nor does this warranty extend to, any consequential or incidental damages or expenses of any kind of nature, regardless of the nature thereof, including without limitation injury to persons or property, loss of use of the products, loss of goodwill, loss of profits, or any other contingent liabilities of any kind or character alleged to be the cause of loss or damage to the purchaser. This warranty does not cover damage or failure caused by misuse, abuse or negligence, nor shall it apply to our products upon which repairs or alternations have been made by other than an authorized Yaofeng representative. There are no warranties, express or implied, except this warranty, which is given in lieu of any other warranties, express or implied, including any implied warranty of fitness for a particular purpose. us: China@yfsolenoid.com 25

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