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Ladish Quality Control

Through an aggressive, controlled program of research & development for improved methods, processes, materials & designs we assure that Ladish Valves will continue “to mark progress“.

“Controlled Quality” is more than just a corporate Ladish slogan… it’s a daily activity that drives our processes to produce quality, long lasting valves. The Ladish trademark is a representation of the highest quality standards, fine engineering skills, craftsmanship, modern manufacturing and testing equipment that provides assurance of manufacturing responsibility and integrity.

In-House Testing

  • Ladish designed & built Hydro-Pressure testing equipment capable of testing up to 15,000 PSI
  • Inert gas test equipment (Snoop Method)
  • Fully Submerged Underwater Inert Gas Test Tank
  • Horizontal to vertical valve test
    equipment for large diameter valves
  • Vacuum testing w/ mass spectrometer
    sniff detection equipment
  • Cryogenic testing rig capable of testing up to 24” diameter


In-Houston Type Testing Equipment

  • Fugitive Emissions Equipment
    – API 624
    – API 641
  • Fire Testing
    – API 6FA
    – API 6FD
    – API 607
  • Cryogenic Testing
    – ISO 28921
    – MS-SP-134
    – BS6364


In-House Non-Destructive Testing Capabilities

  • Positive Material Identification
  • Liquid Dye Penetrant Examination – 5 ANST Level II On-Site
  • Radiographic Examination – 1 ANST Level II On-Site
  • Magnetic Particle Examination – 1 ANST Level II On-Site
  • Ultrasonic Examination – 1 ANST Level II On-Site
  • Ferrite Examination – Fisher Ferritiscope
  • Helium Leak Detection
  • ASME BPVC V Appendix IV


Certified Quality Programs

  • ISO 9001
  • PED
  • API Q1
  • API 6D



Each valve individually marked with Lot/Serial number to trace back from:

      • Engineering
  • Pattern/Die
  • Creation
  • Raw Material
  • Fabrication
  • NDE
  • Testing
  • Cleaning & Shipment


Proprietary Quality Database

  • Fully traceable to every heat & lot number for ALL inspections & fabrication points from receipt of raw material to shipment of final product.
  • Fully integrated throughout local server for efficient distribution of records, procedures & documents.
  • Documented corrections to any non-conformance with re-qualification testing recorded.
  • Calibration control of all measuring & monitoring devices.

Engineering Quality Capabilities

  • 3D Modeling Design Software
  • FEA Analysis
  • Flow Simulation Software
  • Casting Simulation Software


To learn more about our Quality Control process, contact sales@ladishvalves.com

For a complete brochure, download here.

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281.880.8560 or 866-523-4740

7603 Bluff Point Dr. Houston, TX 77086, United States




We are excited to announce that effective November 1, 2020 we have purchased the trademarks and all assets related to Smith Valves & Diamond Gear from CNC Flow Control!