Deskripsi

Automation products available:

• PumpExpert
• Hyamaster
• Hyatronic

Fields of Application

Etanorm SYT/Etanorm-RSY pumps are used in heat transfer systems (DIN 4754) or in hot water circulation systems.

Design

Horizontal volute casing pump, single-stage (pump size 125-500/2 double-stage), with ratings and main dimensions to EN 733 up to DN 200 / extension Etanorm-RSY, with bearing bracket, in back pull-out design.
Volute casing and impeller or casing cover with replaceable wear rings.
Volute casing with integrally cast pump feet.

Bearings

Coupling side: grease-lubricated deep-groove ball bearing
Impeller side: Product-lubricated carbon bearing
Option: product–lubricated SiC/SiC bearing

Shaft Seal

Mechanical seal to EN 12756. Option: double-acting mechanical seal in tandem arrangement

Materials

Volute casing : Nodular cast iron JS1025
Discharge cover : Nodular cast iron JS1030
Shaft : Chrome steel 1.4021.05 HRC 55/1.4057
Impeller : Grey cast iron JL1040
Wear rings : Grey cast iron GG
Bearing bracket : Nodular cast iron JS1030

Benefits at a glance

Ease to service
Replaceable wear rings and straightforward dismantling of bearing bracket

High energy efficiency
— Optimised hydraulic system yields high efficiency
— Impeller trimmed to match the specified duty point
— Suitable for variable-speed operation and equipped with IE2 motor as standard

Maximum operating reliability
— Highly effective venting contour ensures optimum venting
— Confined gaskets
— Design variant with double-acting mechanical seal in tandem arrangement
— Anti-seize carbon plain bearing lubricated by the fluid handled

Robust design
— Sturdy discharge cover designed for high rigidity.
— Optimised heat barrier, little wear.
— Design variant with SiC/SiC bearing for high resistance.
— Reinforced deep-groove ball bearing with special grease fill for long service life.
— Optimised shaft contour ensures reliable removal of leakage