Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Established in 2019

In 2019, Warren Valve opened a state-of-the-art trunnion ball manufacturing facility in Houston, Texas. On November 21st of that same year, Warren Valve Engineered Products received an API 6D monogram and API Q1 certification.

We are proud to offer a variety of engineered products that are made in the USA. Our engineered products are assembled and tested right here in Houston from a combination of domestic and/or globally sourced components.

Learn how to order today!

Three-Piece Forged Trunnion Mounted Ball Valve

Size Range 2” - 48”
Pressure Rating ANSI 150# through ANSI 2500#
Material Grades A105N, F316 SS, A350-LF2, LF6, F51 Duplex
Trim Materials 3MIL ENP, 316SS, F51 Duplex
Seat Material Devlon (PEEK available upon request)
Secondary Seal Materials HNBR 90 DURO, James Walker ™ 101/985, FKM, FKM GLT, AFLAS ™
End Configurations Raised Face, Butt Weld, Raised Face X Butt Weld, RTJ
Standard Upgrades Full stainless steel grease injection fittings per major industry AMLs and specifications.
Seat Design Features Self Relieving x Self Relieving (Double Block and Bleed), Double Piston Effect x Double Piston Effect (DIB-1) & Any combination of Self Relieving x Double Piston Effect (DIB-2)

True Measured Torque

Warren Valve has invested heavily in torque testing equipment. Every engineered product will undergo extensive torque testing within our facility. This commitment to testing gives our engineered products a technical and commercial advantage when our client is actuating product.

Special Design Features

Adapter built to 47,000 minimum yield to accommodate X70 pups as our standard. The seat carriage design can accommodate either self-relieving Double Block and Bleed, double-piston Double Isolation and Bleed (DIB-1), or a combination of both (DIB-2). 

Product Specifications

Warren Valve’s engineered product capabilities include a 3-piece bolted forged body "Trunnion Mounted Ball Valve" designed to meet double block and bleed and double isolation and bleed specifications.

Our product design will also satisfy:

  • API 6D
  • ASME B16.34 (Wall thickness, pressure, temperature ratings)

  • ASME B16.10 (Face to face dimensions)

  • ASME B16.5 (Flange design)

  • ASME B16.25 (Butt weld end design)

  • NACE MR0175/ISO 15156 (Stress cracking/corrosion standard)

  • API 607 (Fire-test specification)

  • API 641 (Low fugitive emissions specification)

  • CSA Z245.15 

Quality Assurance Program 

  • API Q1

  • QSL Levels 1,2 & 3

All valves are designed, assembled and tested in accordance to the most stringent petroleum industry standards. Warren Valve Engineered Products is a authorized licensee to use the American Petroleum Institute (API) monogram for specification API 6D.


In addition to manufacturing, Warren Valve Engineered Products also offer full welding and modification capabilities.

In-house modifications include:

  • Welded pup ends
  • Stem extensions
  • Lube lines
  • Bypasses
  • End conversions
  • Coating systems
  • Pinion shaft extension
  • Specialized tagging
  • Specialized gear operation

8" Trunnion Mounted Ball Valve Animation

30" Trunnion Mounted Ball Valve Animation

See something you like?

Call us at 281.835.2138 or click
We Are Committed to Quality.