SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606
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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 1

SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 PUMP TECHNOLOGY AKH-X PII/3 133.41202.51.01 E 07/2009 TECHICAL DATA Capacity: from 0.4 up to 7.5 m³/h Delivery head: from 10 up to 242 m Speed: 1450 rpm (max. 1800 rpm) Temperature: max. 120 °C (higher temperatures on request) Casing pressure: PN 25 Shaft sealing: mechanical seal or stuffing box Flange connections: DIN 2501 / PN 25 Direction of rotation: clockwise (when seen from the drive end) Protection classification: Ex II2 Gc T1-T5 APPLICATION The Sterling SIHI AKH-X pump is a self-priming side channel pump capable of handling gas along with the medium and operates at a low noise level. The AKH-X pumps are used for problem-free pumping of clean liquids at unfavourable suction side conditions. Their Head-Flow curves are allowing an accurate pressure regulation for a small flow variation. Different material possibilities with uniform dimensions and performance characteristics as well as the standard exchangeable components are used for the construction. The AKH-X pumps are particularly recommendable in a wide application range in many sectors such as: ƒç Chemical industry, ƒç Petro-Chemical industry, ƒç Oil industry, ƒç Machines and automotive industries, ƒç Food industry, ƒç Building construction, ƒç Plastic and rubber industry, ƒç Surface treatment, ƒç Shipyards DESIGN The pumps of the SIHIprime range are side channel pumps having segmental type construction. The program comprises, currently, 3 sizes each with 1-6 stages. The existing material design allows an optimum rating for the respectively desired performance range and the pumping medium. The applied hydraulic components are from our modular Side Channel system (interchangeability of parts). CONSTRUCTION Casing pressure Maximum 25 bar from -40 °C up to +120 °C. Please observe Technical rules and safety regulations: Casing pressure = inlet pressure + delivery head at minimum pump capacity. Position of branches Suction and discharge branch point radially upwards. Flanges Flanges in accordance with DIN EN 1092-2 / PN 25. Flange design as per DIN 2512 with groove or drilled according to ANSI 150 or 300 lbs is basically possible. Bearing Either by a ball bearing and a liquid surrounded sleeve bearing (design A) or by two ball bearings (design B). The ball bearings are according to DIN 625 and greased for life. Rotation direction Clockwise, when looking at the pump from the drive end. Anti-clockwise is possible. Shaft sealing The shaft is sealed by a mechanical seal according to DIN EN 12756 or by stuffing box.

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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 2

AKH-X 2 Material design Cast Iron and mix Bronze/Cast Iron Pos. Components Material design 0A 0B 2H* 2350 Vane wheel impeller CuZn40AI2 G-X3 CrNiMoCuN 26 6 3 3 G-Cu Sn chromé 1060 Suction casing EN-GJL-250 EN-GJL-250 1070 Discharge casing 1090 First suction intermediate 1140 Side Channel intermediate G-Sn Bz 16 1141 Last discharge intermediate 1600 Cover plate (design A) X 20 Cr 13 2100 Shaft X 20 Cr13 X 5 CrNiMo 17 12 2 3600 Open bearing cover EN-GJL-250 3610 Closed bearing cover (design B) 5451 Bearing bush (design A) EK 2203 Stainless steel and Bronze Pos. Components Material design 3B...

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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 3

AKH-X 3 Sectional drawing and parts list Design B Mechanical seal Design A Stuffing box Pos. Components Pos. Components 1060 Suction casing 3600 Open bearing cover 1070 Discharge casing 3610 Closed bearing cover (design B 1090 First suction intermediate 4330 Mechanical seal 1140 Side Channel intermediate 4520 Gland 1141 Last discharge intermediate 4610 Gland packing ring 1600 Cover plate (design A) 5451 Bearing bush (design A) 2100 Shaft 2350 Vane wheel impeller 4610 2100 4330 1141 2350 1140 1090 3610 1070 1060 4520 3600 1600 5451

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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 4

AKH-X 4 1 2 3 4 5 7 8 6 Operating principle The AKH-X pump is a Side Channel system, self priming, segmental type. A Side Channel stage consists of: „h A suction intermediate part (1), „h A discharge intermediate part including the Side Channel (2), „h A vane wheel impeller located between the 2 intermediate parts (3). The fluid entrance goes through the suction hole (4). The turning of the vane wheel impeller creates an under pressure at the beginning of the side channel and the liquid (with or without gas) is drawn in. The pressure generating is obtained by the repetitive re-entering of...

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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 5

AKH-X 5 Performance range General conditions Liquid: Water Density: 1 kg/dm3 Viscosity: 1 cSt Temperature: 20 °C Atmospheric pressure: 1013 mbar Characteristic tolerances The Side Channel pumps are not submitted to any normalized test tolerances. Here under are our acceptance values: Capacity ± 9% - Delivery head ± 7% - Power + 9%. Measuring standard According to ISO 5198.

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SIHIprime - Side Channel Pumps Self-priming, segmental type AKH-X 1201 … 3606 - 6

AKH-X 6 Performance curves AKH-X 1201 ... 1206 AKH-X 3101 ... 1306 AKH-X 3601 ... 3606 General: Values are valid for water ñ = 1 kg/dm3 et õ = 1 cSt. Design tolerances: Capacity ± 9% - Delivery head ± 7% - Power + 9%.

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