100 Series Engineering
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BERMAD Irrigation Basic Valve IR-100 hYflow Basic Valve The BERMAD basic Model IR-100 hYflow diaphragm actuated, hydraulically operated valve is at the leading edge of control valve design. It combines simple and reliable construction with superior performance, while at the same time being virtually free of the typical limitations associated with standard control valves. BERMAD’s automatic water control valves are designed for vertical or horizontal installation and are available in sizes of 2”, 21/2”, 3”, 4” & 6”; DN: 50, 65, 80, 100 & 150. The Model IR-100 hYflow, made from industrial durable glass-filled nylon, is engineered to meet rough service conditions with high chemical and cavitation resistance. The hYflow ‘Y’ valve body design includes a full bore seat with unobstructed flow path, free of any in-line ribs, supporting cage, or shafts. Its unitized Flexible Super Travel (FST) diaphragm and guided plug provide a significantly ‘look through’ passage from end to end resulting in ultra-high flow capacity with minimal pressure loss. The combination of a long travel guided valve plug, peripherally supported diaphragm, and replaceable valve seal provides: No chattering or slamming closed Accurate and stable regulation with smooth motion Low operating pressure requirements No diaphragm erosion and distortion Diaphragm and spring fully meet the valve's operating pressure range requirements. Designed for service under a wide range of pressure and flow conditions, from dripping to maximum flow, the IR-100 hYflow excels at being a user-friendly control valve: Simple design with few parts guarantees easy in-line inspection and service. Adaptable on-site to a wide range of end connection types and sizes. Articulated flange connections isolate the valve from pipeline bending and pressure stresses. info@bermad.com • www.bermad.com The information herein is subject to change without notice. BERMAD shall not be held liable for any errors. All rights reserved. © Copyright by BERMAD.

BERMAD Irrigation Principle of Operation On-Off Modes Line pressure applied to the control chamber of the valve Line pressure enters the control chamber through the creates a hydraulic force that moves the valve to the internal restriction. The closed solenoid causes pressure closed position and provides drip tight sealing. Discharging to accumulate in the control chamber, thereby shutting pressure from the control chamber to the atmosphere the valve. Opening the Solenoid releases more flow from causes the line pressure under the plug to open the valve. the control chamber than the...

BERMAD Irrigation Principle of Operation 3-Way Control Modes, Pressure Reducing Fully Open Position Locked Position When upstream pressure drops, the The pilot switches upon pressure rise, When sensed pressure is equal to pilot blocks the supply pressure port blocking the drain port and opening the setting, the pilot blocks both the drain and opens the drain port, venting the supply pressure port. This pressurizes and the supply pressure ports. This control chamber to the atmosphere. the control chamber, forcing the valve locks the pressure in the control This fully opens the valve,...

BERMAD Irrigation Product Parts Features [1] Cover Ring The cover ring fastens valve cover to body, stiffening and strengthening the valve body, enabling simple maintenance. A cover ring key is available. [2] "Click-In" Bracket For all BERMAD plastic accessories. [3] Valve Cover The cover’s strong construction meets rough service conditions. Optional cover types (3"; DN80 and smaller valves) are capable of accepting a Flow Stem, a Flow Stem + Position Indicator, and a 2-Way Solenoid (2W-N1 Electric Type). [4] Auxiliary Closing Spring One single high grade stainless steel spring provides a...

BERMAD Irrigation Configuration Options Additional Valve Configurations 21/2"; DN65 - Male Thread (for PVC Adapters) BSP.T; NPT Female Thread 2"; DN50 BSP.F Male Thread, (for PVC Adapters) 21/2"; DN65 BSP.T; NPT Female Thread 3"; DN80 info@bermad.com • www.bermad.com The information herein is subject to change without notice. BERMAD shall not be held liable for any errors. All rights reserved. © Copyright by BERMAD.

BERMAD Irrigation Technical Data DN50 Size Rc 2 End Connections (BSP.T) 230 L (mm) 185 H (mm) 40 h (mm) 135 W (mm) 0.2 CCDV (lit) 1.35 Weight (kg) CCDV = Control Chamber Displacement Volume Quick “Horn” Outlet Connection Size Pattern Inlet Connection L (mm) L1 (mm) H (mm) h (mm) W (mm) CCDV (lit) Weight (kg) Size Pattern End Connections L (mm) L1 (mm) H (mm) h (mm) W (mm) CCDV (lit) Weight (kg) CCDV = Control Chamber Displacement Volume *Reinforced Plastic Flanges Technical Specifications Available Sizes: DN: 50, 65, 80, 80L, 100 & 150 Connections Standard: Threaded: Female BSP-T: DN: 50,...

BERMAD Irrigation Flow Data Flow Charts Flow Chart T Pattern DN80 Y Pattern DN50-150, Angle Pattern DN80 2-Way circuit "Added Head Loss" (for "V" below 2 m/s): 0.3 bar 2-Way circuit "Added Head Loss" (for "V" below 2 m/s): 0.3 bar 1.0 0.8 0.6 0.5 0.4 0.3 Flow Properties Y Pattern Size Kv K Leq (m) Valve flow coefficient, Kv or Cv Where: Kv = Valve flow coefficient (flow in m3/h at 1bar Diff. Press.) Cv = Valve flow coefficient (flow in gpm at Diff. Press. 1psi) Q = Flow rate (m3/h ; gpm) P = Differential pressure (bar ; psi) Gf = Liquid specific gravity (Water = 1.0) Kv = 0.865 Cv...

BERMAD Irrigation Technical Data Size Connections L (inch) H (inch) h (inch) W (inch) CCDV (gal) Weight (lb) 4” Universal Flanges Metal Plastic CCDV = Control Chamber Displacement Volume Quick “Horn” Outlet Connection Size Pattern End Connections L (inch) L1 (inch) H (inch) h (inch) W (inch) CCDV (gal) Weight (lb) 6” Y “Boxer” Grooved Universal (Vic) Flanges* 18 7/8 Size Pattern Inlet Connection L (inch) L1 (inch) H (inch) h (inch) W (inch) CCDV (gal) Weight (lb) CCDV = Control Chamber Displacement Volume *Reinforced Plastic Flanges Technical Specifications Available Sizes: 2”, 21/2”, 3”,...