Gpi manufactures stainless steel storage tanks from 500 l to 15,000 m³. Depending on the destination, we can build the tanks in our factory in Lopik, in our factory in Groot-Ammers, or construct them on-location. We produce high-grade tanks and storage tanks up to a diameter of 6 m at our Lopik facility. From there, we can reach most locations quickly by road. If the tank cannot be transported by road, we often create storage tanks at our location in Groot Ammers. This factory is located right on the banks of the river Lek, allowing us to transport the tanks via water. If transporting the tanks to you is not an option, we can also build tanks measuring up to 30 metres in diameter and 30 metres in height directly on-location. For this, we often use our Coil Building system, which ensures highly-efficient manufacture and high-quality tanks. Safety is of the highest importance for tanks of any size produced by any construction method, both during manufacture and use. Tanks can be set up according to all the relevant standards, such as Eurocode 3, EN 14015, ASME and API 650. All technical designs, such as heated/cooled tanks, double bottoms, domed roofs, or double-walled tanks are possible.

With each tank we deliver, we're not just offering a product, we're providing a promise of performance, safety and durability, tailored to the critical needs of these foundational sectors:​ - Fuel Deposits - Refineries - Petrochemical Plants - Chemical Plants - Power Plants - Wastewater Treatment Plants

Our crew has decades of combined experience in above-ground storage tank engineering, construction and maintenance services. We are specialized in minimizing downtime of your tank maintenance, while maximizing your tank operation windows. Discover our activities on our website.

Vertical storage tanks with volume up to 120000m3

Strainers in cast iron, cast steel or stainless steel, available from DN15 to DN600, flanged according to DIN and ANSI. Applications in waterindustry, HVAC, ….

Dutch Valve Vision – Your STRIKO Partner in the Benelux For customers in the Netherlands, Belgium, and Luxembourg, Dutch Valve Vision is the exclusive representative of STRIKO. We combine deep technical expertise with a strong focus on tailored process solutions, ensuring that companies across the Benelux benefit from STRIKO’s advanced technology and precision German engineering. From technical support to application-driven product advice, Dutch Valve Vision is your trusted local partner for the complete STRIKO portfolio. STRIKO specializes in rupture discs and static mixers for (highly) viscous media. Since its foundation in 1974, STRIKO has built a solid reputation as a reliable manufacturer of high-quality components for demanding industrial applications. Rupture Discs STRIKO offers a comprehensive range of rupture discs designed to meet the highest safety standards. Widely used in chemical processing, pharmaceutical production, and the food industry, these safety devices protect installations against overpressure and vacuum conditions—ensuring operational safety and process reliability. Static Mixers STRIKO’s static mixers deliver efficient, maintenance-free mixing without moving parts. Engineered for homogeneous blending of liquids and gases, they are ideal for processes involving (highly) viscous media. Applications include petrochemicals, water treatment, and cosmetics manufacturing—where reliability, efficiency, and long service life are critical. Quality & Innovation STRIKO’s commitment to quality is driven by continuous investment in research and development. Their philosophy of testing, evaluating, and refining ensures solutions that meet the highest industrial standards. Through close collaboration with customers and a deep understanding of process requirements, STRIKO delivers customized solutions that perform. Discover reliable, high-performance process components—engineered in Germany, supported locally in the Benelux.

STRIKO Static Mixers: Efficient, Reliable, Proven Performance A static mixer is an in-line mixing device that blends liquids, gases, or additives without moving parts. Inside the pipeline, engineered mixing elements continuously split, redirect, and recombine the flow. The result is intensive, homogeneous mixing powered solely by the process flow itself—no motors, seals, or mechanical drives required. STRIKO static mixers represent a leading solution in this field. Designed for continuous inline operation, they deliver consistent mixing quality with minimal pressure loss and virtually no wear. The absence of rotating components ensures high operational reliability, reduced maintenance, and lower total cost of ownership. STRIKO static mixers are compact, energy-efficient, and easy to integrate into new or existing piping systems. They are suitable for laminar and turbulent flow regimes and perform reliably across a wide viscosity range. Applications include chemical dosing, gas dispersion, temperature equalization, reaction acceleration, and homogenization of high-viscosity media. Industries such as water and wastewater treatment, petrochemical, chemical processing, food production, pharmaceuticals, and oil & gas rely on STRIKO static mixers for accurate and repeatable results. Available in stainless steel (SS316 / 1.4404 / 1.4571), carbon steel, and high-performance polymers such as PVC and PVDF, STRIKO static mixers can be configured to meet demanding process conditions. Dutch Valve Vision combines product expertise with engineering insight to support correct sizing, integration, and validation—ensuring maximum performance and long-term reliability.

The SumpMaster is a sturdy sump valve designed to prevent product flow onto external floating roofs from drain system failures. The SumpMaster addresses several problems with traditional check valves, including more effective sealing at the potentially lower pressures encountered during a drain system failure, and not restricting drain flow rates calculated during the design of the floating roof.

DESCRIPTION Scully delivery nozzles are considered by many to be the finest in the world. They are used for delivering heating oils, lubricants, gasolines, jet fuels, chemicals and other liquids. Their durable construction allows them to provide dependable performance over countless deliveries. Scully nozzles offer optimum pumping speed and control to improve your delivery efficiency. SUPER NOZZLES • The Ideal Commercial Delivery Nozzles • The leading choice for heavy product, high volume deliveries. • Reduced pressure drop allows for faster pumping speeds. • Prevents closing shock to prolong truck equipment life. • Feature leak-proof filling and no-drip operation. • Original ball valve design and deadbolt locking handle. MATERIALS • Aluminum body. • Hard chrome plated brass ball valve. • Teflon ball seat. • Delrin ball follower. • Anodized aluminum swivel body. • Teflon swivel seal. • Nitrile and viton seals