توضیحات
- Fluids: Valves are suitable for water, low viscosity oils etc… non-aggressive liquids and Air, Inert Gas etc… gaseous but is not suitable for hazardous fluids
- Switching Function: Normally Closed (N.C, Closed when de-energised) (ESV 100 Series) and Normally Open (N.O, Open when de-energised) (ESV 101 Series)
- Principle of Operation: Pilot Operated
- Way Number: 2/2 (Ports / Positions)
- Connection and Port Sizes: G1/8” up to G2”
- Connection Type: Thread (Female), G (BSPP / ISO 228-1)
- Pressure Range: ·0,35 -16 Bar (1/8” up to 1” ESV 100 Series) , 0,5 -12 Bar (11/4” up to 2” ESV 100 Series) , 0,35 -12 Bar (1/8” up to 1” ESV 101 Series) , 0,5 -10 Bar (11/4” up to 2” ESV 101 Series)
- Fluid Temperature: -100C to max. 800C , Ambient Temperature: -200C to max. 700C
- Opening Time: 200ms up to 1500ms , Closing Time: 500ms up to 2000ms
- Max Viscosity: 38 cSt or mm2/s
Features
- Maximum Allowable Pressure or Design Pressure: 24 bar (ESV 100 Series), 18 Bar (ESV 101 Series)
- Minimum operating differential pressure : 0,35 Bar (For 1/8” up to 1”) and 0,5 Bar (For 11/4” up to 2”), (internal exhaust system (for ESV 101 Series)
- Valve has sealing o-rings
- Suitable AC and DC voltage, high voltage tolerance
- Coil interchangeable without dismantling the valve (don’t matter AC or DC)
- High flow rate, high reliability,high mechanical strength
- Various flow rate options, wide range of orifice options
- Mounting position, optional any position but preferably solenoid coil vertical on top
- The fluid passing through the valve must be filtered
- Flow rate (Q) can be usually calculated as a function of pressure, density and flow coefficient
- According 97/23/EC Pressure Equipment Directive (PED), 2006/95/EEC Low Voltage Directive (LVD) and 2004/108/EC Electromagnetic Compatibility Directive (EMC)
Range of Applications
- Cooling Applications
- Gas Boilers
- Water Treatment Systems
- Garden Irrigation Systems
- Central Heating Systems
- Air Working Textile Machines
Options
- Custom options can be performed for customer’s special requests
- On request; NPT (ANSI 1.20.3), R (BSPT / ISO 7-1), W (BSW / Whit- worth), M (Metric) etc…
- On request; diaphragm or sealing or o-rings can be FPM (VITON) (-100C to 1600C ), EPDM (-100C to 1400C)
- On request; various body surface coating, nickel plated body, differ- ent body materials, internal parts stainless steel (for ESV101), manual override, seat can be stainless steel, filter, other pipe connections , flanged connection
- On request; other special supply voltages, frequencies (60 Hz), other power, coil insulation class : F (1550C), coil duty latching model
- On request; with electronic timer , Explosion-Proof coil for use in zones 1/21-2/22 (Eex em II T4/T5), coil encapsulation material can be fiber glass reinforced (V0 or V1)
- On request; connector with LED or without connector, connector with visual indication and peak voltage suppression, connector with cable length of 2m, Spade plug (Cable Ø 8-10 mm), connector non-flammable
- On request other versions
Electrical Characteristic
- Protection Degree: IP 65 (EN 60529) ( with connector )
- Plug Connection: DIN 46340-3 poles connectors (DIN 43650)
- Connector Specification: ISO 4400 / EN 175301-803 , Form A, Spade plug (Cable Ø 6-8 mm)
- Electrical Safety: IEC 335, EN 60335-1, EN 60204-1
- Coil Insulation Class: H (1800C)
- Coil Impregnation: Polyester Fiber-Resin Glass
- Coil Encapsulation Material: Fiber Glass Reinforced (V2)
- Supply Voltages: For AC(~) 12V , 24V , 48V , 110V , 230V
For DC (=) 12V , 24V , 48V , 110 V, 230 V
- Voltage Tolerances: For AC (~) or DC (=) %-10 ; %+10
- Frequency: 50 Hz
- Coil Duty Cycle: %100 ED, Continously Rated
- Design according to DIN VDE 0580
Material
Body | Brass |
Plunger Seal | NBR |
Enclosing Tube | Stainless Steel (AISI 430FR and AISI 304) for ESV 100 Series , Stainless Steel (AISI 430FR and AISI 304) and Brass for ESV 101 Series |
Plunger | Stainless Steel (AISI 430FR) |
Springs | Stainless Steel (AISI 302) |
Shading Ring | Copper |
Retainer ring | Carbon steel +epoxy/ SS304 |
Seat | Brass |
O-rings | NBR |
Internal Metal Parts | Stainless Steel and Brass |
Cover | Brass |
Diaphragm/Seat Seal | NBR |
Cover Screws | Stainless Steel |