Pentax Ultra 18S Series - Stainless Steel Multistage Pumps

ULTRA‑18S‑250/3T, ULTRA‑18S‑400/4T

The Pentax Ultra S range are stainless steel multistage pumps well suited to house and farm water supply. They have a robust fully stainless steel wet end and are very quiet in operation. The Ultra S Series are available in a wide range of models to match your application. They can also cover a wide range of applications such as pumping of clean non-loaded fluids, irrigation, drinking and glycol water, water treatment, heating and air conditioning and washing systems.

Specifications:  

Model	Flow (LPM)	Head (M)	KW	Amps	Phase
Ultra-18S-250/3T	420	36	1.85	4.4	3
Ultra-18S-400/4T	420	48	3.0	5.7	3

Features:

* Offset suction for improved suction ability (3S & 5S models)
* Liquid temperature: -5 ÷ +35 °C
* Maximum operating pressure:  8.5 bar (125 PSI)
* Enclosure class: IP44
* Insulation class: F
* Duty rating: Continuous
* Totally enclosed, fan cooled standard squirrel frame type motor
* Single phase versions fitted with auto reset internal overload
* Three phase version require user supplied overload to be fitted in installation

Technical Features:

* 304 Stainless steel impellers, Diffusers, Seal plate & Pump casing
* 303 Stainless steel pump shaft
* Mechanical Seal: ceramic-graphite (6 impellers or less)
* Mechanical Seal: graphite-silicon carbide (7 impellers or more)
* Aluminium motor bracket

Applications:

* House and farm water supply 
* Clean Water/Rain Water/Tank Water 
* Pressure boosting 
* Water treatment 
* Industrial circulation 
* Hot water cleaning systems

2 Year Back to Base Warranty