API 6D pipeline valve manufacturers

Pipeline valves such as ball, gate, plug, check and axial valves for pipeline service, plus subsea pipeline valves.

API standards
API-6D, API-6DSS
Product categories
10

Standards and suppliers

API-6DSS

Subsea Pipeline Valves

5 product categories (source: API Composite List)

Product categories

Frequently asked questions

Are the pipeline valves suppliers listed here certified by OFMP?

No. OFMP is not API and does not certify, audit or endorse suppliers. Supplier profiles organize API certificate records that the source marks Active; confirm the certificate number, product scope and current status on the API Composite List before purchasing.

How do I check a supplier's API certificate?

Search the API Composite List by certificate number or company name and check that the status, facility address and product scope match the quotation. Read the guide

How do I contact a supplier?

Open a supplier profile. Active members can view the contact details a supplier has provided.

Standard and product names come from the API Composite List search snapshot (2026-10-10). Family groupings and Chinese reading aids are OFMP editorial additions, not official API classifications or translations. OFMP is not affiliated with API.

View all product families