Sema™

SERO Model SEMA™

Sealless Pumps Engineered for a Wide Range of Industrial Services

Model SEMA™ is a proven state-of-the-art multi-stage magnetically coupled pump that combines the functionality of a low NPSH first stage impeller with the performance of a side channel design.


Features

Sealless, Zero Emission Mag Drive Design

Hydraulic Flexibility – Low Flows with High Head

Exceptional Differential Pressures Developed at 1750 RPM

Steep Performance Curves for Precise System Control

Ability to Pump Process Fluids with Entrained Gas

Low NPSH Requirements to Prevent Cavitation

Self-priming

Modular Construction with Standardized Parts

“Crafted In Germany” for Increased Reliability and Lowest Cost of Ownership

Service & Application

Liquids with High Vapor Pressure

Volatile Organic Compounds (VOC)

Irritants (Mercaptan)

Ammonia system Pumps

Biodiesel Pumps

Freon Pumps

Liquid CO2 Pumps

Reactor Feed (Ammonia)

Propane Pumps

Butane Pumps

SCR – Selective Catalytic Reduction

Light Hydrocarbon Pumps

Ethanol Pumps


Size 110 220 330 440 550
Number of Stages

1 TO 8

SUCTION FLANGE
INCHES (MM)
1 1/2 (40) 2 1/2 (65) 2 1/2 (65) 3 (80) 4 (100)
DISCHARGE FLANGE
INCHES (MM)
3/4 (20 1 1/4 (32) 1 1/4 (32) 1 1/2 (40) 2 (50)
RPM (60 HZ)

1750

MAXIMUM WORKING
PRESSURE PSI (BAR)

580 (40)

CAPACITY RANG,
GPM (m3/h)
6-12
(1.4-2.9)
13-24
(2.9-5.4)
26-40
(5.8-9)
47-64
(10.6-14.5)
76-106
(17.3-24.1)
HEAD RANGE @ MIN
FLOW, FT (m)
100-740
(30-225)
140-1080
(40-330)
110-790
(35-240)
105-800
(32-250)
130-1000
(40-300)
TEMPERATURE RANGE
ºF (ºC)

-40º – 392º (-40º – 200º)

MAXIMUM VISCOSITY
SSU (CST)
1050 (230)
MAXIMUM ALLOWABLE
ENTRAINED VAPOR
50%
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