ASCO美国2位3通先导式滑阀，世格先导式滑阀技术参数
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7, 9 Class I, Div. 1 (Groups A - D) and Class II, Div. 1 Type 9 (Groups E-G)
Nominal Ambient Temp. Ranges SC: AC/DC: 5˚F to +140˚F (-15˚C to 60˚C) EF:
AC: 5˚F to +140˚F (-15˚C to 60˚C) DC: 5˚F to +77˚F (-15˚C to 25˚C)
WT: AC: 5˚F to +140˚F (-15˚C to 60˚C) DC: 5˚F to +77˚F (-15˚C to 25˚C)
Note: For temperatures below 32˚F (0˚C) moisture-free air must be used.
Refer to Engineering Section for details. Approvals SC (2.5W and 3W only)
UL recognized component, CSA certified. WT: UL recognized component,
CSA certified. EF: UL and CSA solenoid approval.
Meets applicable CE directives. Refer to Engineering Section for details.
Pipe Size (ins.)
Orifice Size (mm)
• Vents air from spring side of actuator to prevent corrosion of actuator
Valve Parts in Contact with Fluids Body
Kv Flow Factor (m3/h)
Operating Pressure Differential (bar)
Fluid Temperature °C (for single and dual solenoid) Single Solenoid Dual Solenoid
Watt Rating/ Class of Coil Insulation
Max. DC Catalog Number Catalog Number AC DC
OPEN FRAME DIN COIL 1/4 6.4 .7 2 10 -15 60 60
SC8551A001MS SC8551A002MS 1 2.5 3 1/2 13 3.15 2 10 -25 60 60
Watt Rating and Power Consumption
Spare Coil Part Number
VA Inrush AC DC F SC 3 2.5 3.5 6 400125 400125 F SC 6.9 5 7 15 43004649 43004647
F EF 6.9 6.3 7 10.1 266762 270007 F WT 6.9 6.3 7 10.1 266763 270008 Standard Voltages: SC: 24, 1
20, 240 Volts AC, 50-60 Hz; 12, 24, 120 Volts DC. WT and EF: 24/50-60HZ,
(120/60, 110-120/50), (240/60, 220-240/50) Volts AC; 6, 12, 24, 120 Volts DC.
Order as 120/60, 110/50 Order as 240/60, 220/50
Features • Compact spool valve convertible from 3/2 to 5/2
• NAMUR mount construction
• Standard manual operator
• DIN, Watertight and Explosionproof solenoids available
SC8553A001MS SC8553A002MS 2 5 6.9 WATERTIGHT ENCLOSURE 1/4 6.4 .7 2 10 -15 40 25
WT8551A001MS WT8551A002MS 1 6.3 6.9 1/2 13 3.15 2 10 -25 60 60 WT8553A001MS WT8553A002MS 2 6.3 6.9
EXPLOSIONPROOF ENCLOSURE 1/4 6.4 .7 2 10 -15 40 25 EF8551A001MS EF8551A002MS
Black Anodized Aluminum Spring Phosphate treated black steel Shading Coil
Copper Seals NBR + PUR Core and Core Tube Stainless Steel /
Brass End Covers and Plate 6/6 glass filled PA/FV Spool Aluminum Internal Parts Zamak, Steel, CA
Standard Coil and Class of Insulation
Enclosure Type
• Single and dual solenoid constructions
• Mountable in any position
Solenoid Enclosures Standard: - Prefix SC = IP65 type DIN (open frame) per 46244
WT = Combination General Purpose and Watertight Types 1, 2, 3, 3S, 4, and 4X
EF = Combination Explosionproof and Watertight Types 3, 3S, 4, 4X, 6, 5P,
ASCO美国2位3通先导式滑阀，世格先导式滑阀技术参数
