API 610 OH2

The API 610 OH2 pump is a robust, single-stage, radially split, overhung centrifugal process pump designed for heavy-duty applications in accordance with the latest API 610 (12th Edition) standards. The pump is centreline-mounted to ensure thermal stability, making it ideal for demanding services in the oil & gas, refining, petrochemical, and power generation industries.

General Description

The API 610 OH2 pump is a robust, single-stage, radially split, overhung centrifugal process pump designed for heavy-duty applications in accordance with the latest API 610 (12th Edition) standards. The pump is centreline-mounted to ensure thermal stability, making it ideal for demanding services in the oil & gas, refining, petrochemical, and power generation industries.

HYDRAULIC PERFORMANCE

Parameter

Specification

Flow Capacity (Q)

Up to 2,000 m³/h (8,800 US GPM)

Differential Head (H)

Up to 300 m (985 ft)

Operating Pressure

Up to 50 bar (725 psi)

Operating Temperature

-80°C to +400°C (-112°F to +752°F)

Rotational Speed

Up to 6,000 RPM

NPSHr

Optimized per duty point

DESIGN FEATURES

Feature

Description

Casing

Radially split, top-top nozzles, centreline mounted

Impeller

Closed type, dynamically & hydraulically balanced

Shaft & Sleeve

High-strength alloy steel with replaceable sleeves

Seal Chamber

Conforms to API 682, supports Plan 11, 21, 23, 52, etc.

Bearings

Oil-lubricated, antifriction or sleeve-journal types

Back Pull-Out Design

Facilitates easy maintenance without disturbing piping

MATERIAL OPTIONS (Typical)

Component

Standard Materials

Casing

ASTM A216 WCB, A351 CF8M, Duplex, Super Duplex

Impeller

A743 CA6NM, A351 CF8M, Duplex, Hastelloy

Shaft

High-tensile alloy steel (SS/ Duplex optional)

Wear Rings

Carbon Steel, SS, Stellite-coated as required

Shaft Sleeve

SS 316, Hastelloy, ceramic-coated options

TYPICAL PERFORMANCE CURVE

STANDARDS & COMPLIANCE

  • API 610 (12th Edition) – Design and manufacturing compliance
  • API 682 – Seal compatibility
  • ISO 13709—International standard equivalence
  • Designed for extended reliability in continuous operation
  • Low vibration and high mechanical stability