Citergaz - Mautenção e Caldeiraria Lda.
About
Citergaz — Caldeiraria e Manutenção, S.A. is a Portuguese manufacturer based in Albergaria-a-Velha with over 35 years of experience designing and fabricating pressure vessels, storage tanks, and specialized industrial equipment. Originally established as A. Silva Matos — Indústria Metalúrgica Lda., the company was acquired by WAM Investments in 2023 and has since undergone strategic restructuring toward higher value-added markets. Citergaz maintains full in-house control from certified engineering and design through production, testing, and delivery, and benefits from a strategic location near the Ports of Aveiro and Leixões for efficient logistics. The company's product portfolio spans compressed air, oxygen, and nitrogen storage tanks; biogas, biomethane, and CO2 capture vessels designed per process specifications for pressure, composition, and volume; hydrogen and ammonia storage tanks for clean energy applications; drinking water reservoirs; water hammer protection systems for pipeline surge mitigation; treatment and water reuse units; desalination plant equipment; autoclaves; fuel and biofuel storage tanks in horizontal, vertical, and compartmentalized configurations; and silos for solid and granular materials. Products comply with API 650, EN 14015, EN 12285-1/2, ASME Section VIII Div 1/2, AD-MERKBLÄTTER, PD 5500, CODAP, EN 13445, and EN 1090 EXC2 standards. Citergaz serves the energy, water, environment, and mobility sectors.
Key Products
Designed and manufactured to API 650, EN 14015, ASME Sec. VIII, CODAP, and other international standards for industrial gas and liquid storage applications.
Tanks for renewable gas and captured CO₂ storage, dimensioned by process specifications for pressure, composition, and volume requirements.
High-pressure storage vessels for clean energy and industrial applications, designed for safety and compliance with international standards.
Safe and sustainable storage tanks for potable water distribution networks and water utility infrastructure.
Equipment to protect water pipelines against hydraulic surge and pressure transients that can damage infrastructure.
Turnkey treatment and water recycling systems for processing and reclaiming water for reuse.
Specialized equipment and tanks for seawater and brackish water desalination facility construction.
High-performance pressure vessels designed to meet demanding safety and quality standards for industrial processing.
Metal storage containers for safe and lasting storage of solid or granular materials, customized per client requirements.
Horizontal or vertical, simple or compartmentalized tanks for diesel, gasoline, biodiesel, and bioethanol storage complying with European and American standards.
Reliable pressure vessels for oxygen, nitrogen, and compressed air storage in industrial settings.
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