Gate, ball, butterfly & check valve manufacturers

Refinery and process valves: bolted bonnet and compact steel gate valves, corrosion-resistant gate valves, metal ball valves, butterfly valves and check valves.

API standards
API-600, API-602, API-603, API-608, API-609, API-594
Product categories
10

Standards and suppliers

API-600

Bolted Bonnet Steel Gate Valves

1 product category (source: API Composite List)

API-602

Compact Steel Gate Valves

3 product categories (source: API Composite List)

API-603

Corrosion-Resistant Bolted Bonnet Gate Valves

1 product category (source: API Composite List)

API-608

Metal Ball Valves

1 product category (source: API Composite List)

API-609

Butterfly Valves

2 product categories (source: API Composite List)

API-594

Check Valves

2 product categories (source: API Composite List)

Product categories

Frequently asked questions

Are the process 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.

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