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ASME

ASME B73.1

Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process

Issuing body
ASME
Latest edition
2020 Edition
Region
USA, Global
Equipment items
2

Scope

Horizontal end-suction chemical process pumps (often called ANSI pumps).

Key requirements (6)

  • Horizontal end-suction centrifugal chemical pumps with dimensional interchangeability.
  • 10 standard frame sizes (AA through A105) with fixed dimensions (suction/discharge sizes, footprint).
  • Single-stage, single-suction, top-discharge, foot-mounted construction.
  • Lower duty than API 610 — typical for chemical / dilute service.
  • Performance per ANSI/HI 1.6 (counterpart of ISO 9906).
  • Bearing life L10 ≥ 17,500 hrs at design; ≥ 8,800 hrs at maximum.

Related standards (1)

Applied to 2 equipment items