Settima 螺杆泵 SMT工业用三螺杆泵/中低压无噪音螺杆泵按照几何设计,三个螺杆间形成了密封腔。在螺杆旋转过程中,主螺杆形成某种类型的空腔,它容纳水流并将水流按轴向从入口排出至出口端口。SMT 泵可配内置或外置式泄压安全阀。
Types | Dry (SMT) or submerged (SMIT) | |
---|---|---|
Models | 20 – 25 – 32 – 40 – 45 – 55 – 60 – 70 – 80 - 90 | |
Installation | Free for SMT. Submerged (totally or partially) for SMIT | |
Flanges | ISO 3019/2 | |
Connections | SAE 3000 - BSPP | |
Drive loading | No axial or radial loads | |
Shaft rotation | Clockwise (from shaft end) , (suitable also for counter clockwise rotation) | |
Shaft speed | From 500 to 3.600 rpm(1) | |
Flows | From 4 up to 1.220 L/min | |
Outlet Pressure | Up to 80 bar | |
Inlet Pressure | Min. -0.7 bar max. 3 bar(2) | |
Fluids(3) | • Mineral oil HLP e HVLP • Ecologic fluids HETG, HEPG, HEE • Synthetic fluid or emulsion: HFA oil-water emulsion, HFB water-oil emulsion 40% of volume, HFC water/ glycole – water max 35 to 55%, HFDR phosphate ester • Lubrication high viscosity oils • Special synthetic fluid: MIL-H, SKYDROL • Fuel oil: MGO, MDO, Low sulfur MDO and HFO • DMX (ISO8217), DMA, DMB, DMC, DMZ • Bunker oil, furnace oil, engines oil, heating oil, hydraulics oils DIN 51524 | |
Viscosity | From 2 up to 10.000 cSt(4) | |
Seals polymer (shaft, O-ring) | NBR, FKM, EPDM (5) | |
Seal type | TM, TMK, TMZ, FGM | |
Acoustic Emissions | From 52 up to 68 db(A) at 2.950 rpm (value based on ISO 4412 test procedure) | |
Pump body | Extruded aluminum alloy | |
Pump body (special applications) | Cast iron, steel. Hardened steel and stainless steel available on request. | |
Screws | Steel for main screw , idler cast iron | |
Screws (special applications) | Core hardened steel screws, surface treated screws | |
Environment temperature | From -50° up to +60°C | |
Hydraulic Temperature | From -50°C up to +300°C |