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Business Details
50+ Years
experience
Custom ASME Pressure Vessels Manufacturer in San Angelo, TX
Wendland Manufacturing has been a leader in precision-engineered pressure vessels and tanks since 1921. Our century-long legacy is built on specialization, service, and precision, serving commercial, industrial, and municipal markets across the U.S. As a family-owned company, we prioritize quality craftsmanship, with every product reflecting our commitment to exceeding industry standards. Our engineering expertise and cutting-edge facilities enable us to deliver custom solutions for demanding applications, from HVAC systems to natural gas processing.

With an average employee tenure of two decades, our experienced team ensures every project meets rigorous quality and reliability requirements. We maintain streamlined decision-making and personalized service by keeping operations in San Angelo, Texas, allowing clients to receive tailored products efficiently. Our adherence to ASME code specifications and internal quality controls guarantees durable, code-compliant vessels that surpass client expectations.
Services
Air Separator Tanks Blowdown Tanks Expansion Tanks Air Receiver Tanks Fire Protection Tanks Water Heaters Water Storage Tanks Chill Water Tanks Hydropneumatic Tanks
Details
  • Year established: 1921
Highlights and features
  • 100 years of specialized expertise in pressure vessel engineering since 1921
  • Family-owned commitment to quality with name-on-every-product accountability
  • Cutting-edge facilities for custom fabrication to exact specifications
  • Experienced team with average tenure of two decades
  • ASME code-certified welders and rigorous internal quality standards
Associations and certifications
  • ASME
Services
Air Separator Tanks
Engineered tanks designed to eliminate air from closed-loop heating and cooling systems. Custom-fabricated to exact specifications with ASME code compliance. Features include power-wire brushed exteriors and standard shop primer coating for durability.
Blowdown Tanks
ASME-certified vessels for boiler discharge temperature and pressure reduction. Constructed with 3/8" thick heads and shell, featuring internal wear plates and multiple connection points. Available with custom modifications per governing authority requirements.
Fire Protection Tanks
Pressure tanks meeting ASME and NFPA #22 standards for private fire protection systems. Includes 24-hour hydrostatic testing certification and corrosion-resistant interior linings like coal tar or Epoxoline for extended service life.
Chill Water Tanks
Buffer tanks for building chiller systems with optional NPT connections, internal baffles, and insulation. Available in galvanized finish or standard primer coating to meet 125 psi operational requirements.
Hydropneumatic Tanks
Custom vessels for public/private water systems and wastewater treatment. Compliant with AWWA D-102 standards for potable water linings. Features include corrosion-resistant coatings and configurable control system compatibility.
People
Wendall Hirschfeld
President
Third-generation leader overseeing daily operations with deep industry knowledge spanning decades. Maintains family commitment to quality while driving modernization of manufacturing processes in San Angelo, Texas.
David Hirschfeld
Chairman
Strategic advisor with extensive experience guiding the company's long-term vision. Focuses on maintaining family values while ensuring continued innovation in pressure vessel engineering since joining the leadership team.
Kendall Hirschfeld
Board of Directors
Key decision-maker ensuring operational excellence and quality control standards. Contributes technical expertise from decades of involvement in industrial manufacturing operations and client relationship management.
Questions
What industries do Wendland Manufacturing's tanks serve?
Our pressure vessels support commercial HVAC, natural gas processing, water treatment plants, fire protection systems, and industrial applications across the United States.
Are tanks available in custom configurations?
Yes, we specialize in custom fabrication to exact specifications while maintaining ASME code compliance and providing standard size options.
What quality standards apply to your manufacturing?
All products meet ASME Section VIII, Division 1 code requirements with certified welders, rigorous internal quality checks, and material traceability documentation.
How does Wendland handle corrosion protection?
We use Epoxoline or Cementline interior linings, dielectric bushings for hot water systems, and standard shop primer exteriors with optional finish coatings.
What support exists for technical specifications?
Our engineering team assists with sizing calculations using ASHRAE guidelines and provides detailed specifications like Engineer Specification W-900 series documents.