


双螺杆泵,无定时齿轮,适用于各种限制允许杂质含量的流体,也可完全由不锈钢制成,满足API676 IIED和IIIED的规定。
INSTALLATION DATA
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Installation
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Indoor or Outdoor
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Environment
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Industrial, Marine
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Amb. Temperature Min/Max
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-25°C (CS) and -40°C (LTCS) , storage only / 60°C *
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OPERATING CONDITIONS
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Fluids
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Mineral and synthetic lubricating oil; Hydraulic oil; Diathermic oil; DFD-U and HFDR phosphate organic esters; Glycols; Fuels (HFO, LFO, MGO, DO, LSMGO); Asphalt and Bitumen
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Solid content
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0% *
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Viscosity range
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between 5 and 2500 cSt *
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Speed
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between 750 and 3600 rpm *
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Rotation (shaft view)
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clockwise standard; counter clockwise on request
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TECHNICAL CHARACTERISTICS
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Design available
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STANDARD SEIM, API676 IIIED, API676 IIED
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Flow rate
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between 10 and 10000 lpm (between 0.6 and 600 m3/h; between 2.7 and 2641.8 GPM) *
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Suction pressure
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10 barg (146 psi) MAX *
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Delivery pressure
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40 barg (581 psi) MAX *
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Operating temperature
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between 0 and 300 °C *
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Seal
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Single or Double Mechanical
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Bearing
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4 radial + 1 axial
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Bearing lubrication
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pumped fluid
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Drive
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AC or DC motor, Steam turbine, diesel engine
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Construction shape
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Horizontal or vertical on feet IM1001 B3
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IN/OUT
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standard ANSI 150 B16.5 or DIN UNI EN 1092-1
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Safety valve
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Carbon steel or Stainless steel
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MATERIALS
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Body/Flange
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Nitrided carbon steel or stainless steel *
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Set of 3 screws
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Cast iron GG25; carbon steel; stainless steel standard Viton ® *
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O-rings
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standard Viton ®
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Painting
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standard SA2,5 + primer + final, total 160µ approximately; other painting cycles on request
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(*) For different values contact SEIM
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