Viscosity: 3.0~ 760 mm2/ s;
 Flow: 11~ 3500 L/ min;
 Max. pressure: 4.0 Mpa;
 Max. temperature: 120
 
 Features:
 1. The most widely used screw pumps;
 2. Advanced structure, with convenient maintenance for pump components and accessories replacement;
 3. Unique double seal design, with reliable sealing effect;
 4. The assembly of pressure relieve valve is applied to protect pumps.
 
 Application:
 HSN series products can transfer various medium with lubricating property or partial lubricating property, but without solid particles, including lubricant ( oil) ( for example, lubrication oil, machine oil, hydraulic oil, gear oil, etc.) , water glycol, lubrication grease, light diesel oil, residual fuel ( oil) ( such as heavy oil, coal tar, etc.) and other sticky chemical medium.
 
 The products are widely used in the fields of machinery, petroleum & chemical industry, metallurgy, iron & steel, electric power, marine, etc.
 
 Mounting Type:
 H: Horizontal mounting, common type connected by common baseplate
 F: Bracket-type mounting, connected by bracket, to reduce the fixed area of the unit
 S: Vertical mounting, to greatly reduce the lateral space for installation
 K: Immersion-type mounting, to reduce the occupation space on the oil tank.