SMTHA Series Three Screw Pumps are designed and developed for the machine tool industry. They have the characteristics of high pressure, large flow, heavy load mechanical seal, no leakage, low noise and so on.
Mainly used in CNC CNC machine tools (grinders, machining centers, deep hole drilling and other machine tools and equipment) cutting fluid, coolant, emulsion pressurization system, filtration cycle and conveying system and other fields.
Technical characteristics:
● Maximum pressure100bar
● Minimum viscosity of medium2 cst
● Low noise
● Low pressure pulsation
● Wide range of traffic
● Complete supply
● Easy installation
Technical data:
Type |
GR20-25-32-40-45-55-60-70-80 |
Connections |
Nomal shaft and hollow shaft |
Oil connections |
GAS and SAE3000 flange |
Flanges |
ISO 3019/2-IEC standard |
Drive loading |
No axial or radial loads |
Shaft rotation |
Clockwise viewed at shaft end |
Shaft speed |
300 - 3600rpm |
Flows |
0 - 0 - 6000 L/min |
Outlet pressure |
40 bar |
Inlet pressure |
From 0.7 to 3bar (10bar option) |
Fluids |
Mineral oil HLP and HLVP Ecologic fluids HETG-HEPG-HEE cutting fluid HFA oil-water emulsion - oil minimum 5% HFB water-oil emulsion < 40% HFC water-glycole - water max 35 to 55% HFDR phosphate ester Special synthetic fluid:MIL-H、SKYDROL;special on request |
Viscosity |
From 1 to 2000cst |
Working temperature |
From -20 to +180℃ |
Ambiente temperature |
From -20 to +60℃ |
Filtration |
100µm |
Seal |
NBR、FPM、EPDMHeavy duty mechanical seals |
Pump body |
Extruded aluminium alloy,cast iron,carbon steel,hardened steel |
Rotors |
Steel for primary screw,cast iron for secondary screw |
Noise level |
From 54 to 65dB(A) at 2750rpm base on IS04412 |
Applications:
SMTHA series of three-screw pumps are mainly used for machine tool industry equipment cutting fluid, cooling oil pressurization, cooling cycle and transportation, especially high-pressure demand equipment, such as:
● High speed grinder
● Deep hole drilling machine
● CNC machining center