ASCO美國(guó)202比例調(diào)節(jié)電磁閥技術(shù)數(shù)據(jù)
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?  Electronic proportional control unit (catalogue number: E908A001, see V150) Features:
- analog input control signals: 0 - 10 V DC, 0 - 20 mA or 4 - 20 mA - coil current (= ? ow rate)
 ? Installation/maintenance instructions are included with each valve
21 cSt (mm2/s) ? uids (?) temperature range (TS) (2) seal materials (?) air, inert gas, water, oil - 10°C to + 90°C FPM (? uoroelastomer)
MATERIALS IN CONTACT WITH FLUID (?)  Ensure that the compatibility of the ? uids in contact with
 the materials is veri? ed Brass body Stainless steel body Body Brass  AISI 303 SS Core tube Stainless
steel Stainless steel Core and plugnut Stainless steel Stainless steel Springs Stainless steel Stainless steel
介質(zhì)溫度:-10℃～+90℃，G螺紋,口徑:1/4-3/8,操作壓差：1-12公斤
FEATURES ? Variable ? ow, proportional to the control signal ? Valves do not require a minimum operating pressure
? Valves can be mounted in any position ? The solenoid valves satisfy all relevant EC directives
GENERAL Differential pressure See ?SPECIFICATIONS?  [1 bar =100  kPa] Maximum viscosity
voltage variations - housed in: a box with spade plug connector according to ISO 4400 / IP65
01 Voltage regulation 0 - 24 V DC 24 V DC pulse width modulated (300 Hz) Flow regulation characteristics
(3)   Hysteresis < 5% ; Repeatability < 3 % ; Sensitivity < 2 %
Riderring PTFE  PTFE Seat Brass  Stainless steel Seal, disc FPM  FPM Breaker piece Stainless steel Stainless steel
ELECTRICAL CHARACTERISTICS Coil insulation class F Connector Spade plug (cable ? 6-10 mm)
Connector speci? cation ISO 4400 / EN 175301-803, form A Electrical safety IEC 335 Electrical enclosure
power ratings operator ambient temperature range (TS) (2)
and PTFE seals and discs ? Waterproof enclosure with embedded screw terminal coil according to protection class IP67,
CEE-10 ? Explosionproof enclosures for use in zones 1/21-2/22, categories 2-3 to ATEX Directive 94/9/EC,
hot/cold = = (mA) (VA) (VA) (W) (W) (C°) 24 V DC SC 100 - 500 - - - 11 / 8 -10 to + 75 400429-040
without affecting operation ? Brass  and NPT 3/8 stainless steel solenoid valves have 2 mounting holes in body
? NPT 1/4 stainless steel valves are standard supplied with mounting brackets
 ? Threaded pipe connection is standard: E = Rp (ISO 7/1) ; G = G (ISO 228/1) ; B = NPT (ANSI 1.20.3)
protection Moulded IP65 (EN 60529) Standard voltages DC (=) : 24V (Other voltages on request)
on request ? Electrical enclosures according to “NEMA” standards are available ? Mounting brackets
? Valves can also be supplied with NBR (nitrile), EPDM (ethylene-propylene), CR (chloroprene / neoprene)
直動(dòng)式,常閉,M5底座,黃銅/不銹鋼閥體,
? Other pipe connections are available on request INSTALLATION ? The solenoid valves can be mounted in any position
 adjustable to required control signals - switch-off function at less than 2% of the maximum control function
- adjustable ramp control - adjustable frequency - output current independent of coil resistance and supply

ASCO美國(guó)202比例調(diào)節(jié)電磁閥技術(shù)數(shù)據(jù)