Reference profile
- Designation
- API 675
- Title
- Positive Displacement Pumps — Controlled Volume Metering
- Issuing body
- API
- Current edition
- [verify]
- Status
- Library record: reviewed; official standard status [verify].
- Category
- Rotating Equipment
1
Overview
Requirements for controlled-volume (metering) pumps of packed-plunger and diaphragm types for accurate dosing.
2
Scope & Applicability
Covers
- Metering accuracy
- Diaphragm & plunger heads
- Capacity adjustment
- Testing
Does NOT cover (exclusions)
- Exclusions are not documented in this library record. Confirm the official publication, neighbouring codes, the adopted edition, and jurisdictional boundaries before application.
3
Key Requirements
Lifecycle requirements
- Chemical injection design
- Dosing pump specification
4
Technical Details
Requirements for controlled-volume (metering) pumps of packed-plunger and diaphragm types for accurate dosing.
Components: Diaphragm head, Plunger, Adjustment mechanism, Check valve.
Where to find it in the codeRefer to the official table of contents and the sections cited by the project specification; section numbering can vary by edition.
5
Engineering Notes
- Steady-state accuracy, linearity, and repeatability are the defining acceptance criteria for metering pumps.
6
Related Standards
7
Source, Edition & Status
- Publisher
- API
- Edition Year
- N/A
- Industries
- Chemical, Petrochemical, Oil & Gas
- Content Status
- reviewed
- Last Reviewed
- 2026-07-01
- Last Updated
- 2026-07-01
- Verified By
- Engineering Reviewer
- Official Link
- N/A
This paraphrased summary is a discovery aid. Do not reproduce or substitute it for the copyrighted official publication or jurisdictional requirements.