API 685 OH2 Magnetic Drive Pump

Amarinth OH2 Magnetic Drive pumps for the Petrochemical, Chemical and Oil & Gas markets are designed to API 685 3rd edition specifications and are fully ATEX and IECEx compliant. All API materials are available as standard, plus bespoke options including NACE compliant materials. Standard Documentation, testing and NDT packs are offered. Alternatively bespoke packages can be tailored to fit your exact requirements.

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A Series - Related Products

Key Features

  • OH2 single stage centreline mounted centrifugal magnetically driven suction pumps.
  • 51 bar pumps to API 685 (3 rd edition) & ATEX compliant.
  • -20°C to 250°C temperature application.
  • Shrouded or Semi-Open impellers.
  • A range of alloys available on request including NACE compliant material.
  • Grouted and Non-Grouted Baseplates to API 685 dimensions.
  • Tested to API 685 procedures - Head, Flow, NPSH, Noise and Vibration.
  • Full process fluid containment.
  • Can handle small levels of particulates.
  • Efficient magnetic drive.
  • Condition monitoring available.

Specifications

General description

A range of OH2 single stage, sealless, centreline mounted centrifugal end suction pumps with centreline discharge manufactured in a variety of alloys
Construction

Back pullout design with metal to metal fits
Design methodology

Advanced computer techniques including 3D modelling, FEA & CFD
Design standards

API 685 3rd : 2022
ATEX EC-Directive 2014/34/EU
Design pressure rating

40 barg @ 38°C
Suction pressure rating

20 barg (standard construction)
40 barg (heavy duty construction)
Temperature rating

-20°C to 250°C
Flowrate

Up to 300m3/h
Differential head

Up to 100m
Speed

Up to 3600 rpm
Configurations

Long coupled pump
Bare shaft pump
Rotating assembly
Frame sizes

040x025x175 to 100x080x360
Design life

30 years (3 years uninterrupted operation)

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Pump Applications

We specialise in manufacturing pumps for these applications in the API 685 OH2 Magnetic Drive Pump industry:

Pump Application: Chemical processing
Chemical processing
 Pump Application: Reflux
Reflux

Hydraulic Performance


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Materials

MATERIALS INTRO CONTENT REQUIRED HERE

Materials Casing Impeller
A8 SS 316L / SS 316L ASTM A351 CF 3M ASTM A351 CF 3M
S8 Carbon Steel / SS 316L ASTM A216 WCB ASTM A351 CF 3M
S6 Carbon steel / 12% Cr SS ASTM A216 WCB ASTM A217 Gr CA 15
D1 Duplex SS / Duplex SS ASTM A890 Gr 4A (UNS J92205) ASTM A890 Gr 4A (UNS J92205)
D2 Super Duplex SS / Super Duplex SS ASTM A890 Gr 6A (UNS J93404) ASTM A890 Gr 6A (UNS J93404)
H1 Hastelloy B / Hastelloy B ASTM A494 Gr N 7M ASTM A494 Gr N 7M
H2 Hastelloy C / Hastelloy C ASTM A494 Gr CW 12MW ASTM A494 Gr CW 12MW
Monel / Monel ASTM A494 Gr M35 1 ASTM A494 Gr M35 1
A9 Alloy 20 ASTM A351 CN7M ASTM A743 CN7M
Customer specified Other alloys available on request including NACE compliant materials Other alloys available on request including NACE compliant materials