CEREX D Metering Pump

The CEREX D metering pump, its double diaphragm design, combined with built-in failure detection, delivers superior leak prevention performance compared to single diaphragm pumps with a similar price point. In addition, the CEREX D metering pump is constructed from standard, proven components held in stock - minimizing build time without compromising on quality.

Reliable and Cost-Effective Flow Control

The CEREX D metering pump is a quick, affordable solution delivering quality and reliability. Its hydraulically actuated double diaphragm design—with built-in failure detection—offers superior leak prevention compared to similarly priced single diaphragm pumps. Constructed using proven, stocked components, CEREX D minimizes build time without compromising performance.

Key Specifications

Performance & Compliance

API 675 compliant design
Hydraulically actuated double PTFE diaphragm
Diaphragm condition monitoring via pressure gauge

Pump Configuration

Double ball or cone check valves based on pump size
Manual linear stroke adjustment: 0%–100%

Materials and Connections

Liquid-wetted parts: stainless steel 316L or plastic
Connection types: NPT (metallic) or flange (plastic)

Drive and Finish

Motor suitable for safe area applications
Standard industrial paint system

Key Applications

Industrial water and waste water treatment
Boiler feed water treatment
Chemicals dosing
Oil & Gas additives dosing

Flow Rate: between approx. 30 and 6000 l/h

Pressure: max 250 bar (3625 psi) Fluid viscosity: max 1000 cP

Fluid Temperatures: -10 to +93 °C for metallic housing -10 to +50 °C for plastic housing

Ambient Temperatures: -10 to +50 °C

Motor: 1.5 to 5.5 kW, depending on load, frame size from 90 up to 132 Voltage as per local requirements

Flange connections
Motor suiting hazardous area
Variable speed motors for turndown 1:5
Electronic stroke adjustment

CEREX pumps made in the Bran+Luebbe factory in China are not ATEX or UE Certified. If interested in CEREX pumps made in Norderstedt, Germany, please contact us.