always a reliable solution
In today’s fast-paced industrial landscape, efficiency, precision, and reliability are no longer optional — they’re essential. As manufacturing and production lines evolve, the demand for advanced industrial automation and high-performance equipment continues to grow.
This is where two globally recognized brands come into play: RITAC and Schroeder. With cutting-edge solutions in high-precision control systems and hydraulic filtration technology, these brands help industries optimize performance, reduce downtime, and increase long-term reliability.
Whether you're operating a large-scale production facility or a specialized manufacturing line, integrating technologies from RITAC and Schroeder is a smart investment in quality, safety, and operational efficiency.
RITAG is globally recognized for its expertise in industrial valves, including check valves, high-pressure valves, and sampling systems — all engineered and manufactured in Germany. Our skilled team is the foundation of our technical excellence and works closely with industry clients to share knowledge and ensure the highest standards.
Lift Check Valves
This valve model has been installed worldwide for decades, suitable for hot water systems, water and wastewater treatment, boilers, energy supply, and chemical-petrochemical industry equipment, offering various sizes, materials, pressure ratings, and seals, with installation possible in any position, multiple connection types such as wafer, double flanged, or weld end, and compatibility with fluids, gases, and vapors to meet diverse requirements.
RITAG SR Type Brass, Bronze, Cast Iron
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Press. Rating : PN6 to 16 Temp. : Up to 250 ºC Size : DN 15 to 200 Download Brochure : Click here |
RITAG SR Type Carbon Steel
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Press. Rating : PN6 to 160 Class 150 to 1500 Temp. : Up to 450 ºC Size : DN 15 to 300 Download Brochure : Click here |
RITAG SR Type Stainless Steel
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Press. Rating : PN6 to 160 Class 150 to 1500 Temp. : Up to 500 ºC Size : DN 15 to 200 Download Brochure : Click here |
RITAG SR Type PTFE, Titanium, Alloy
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Press. Rating : PN6 to 40 Class 150 to 300 Temp. : Up to 400 ºC Size : DN 15 to 100 Download Brochure : Click here |
SWING CHECK VALVES
RITAG Type ZRK wafer swing check valves are low-maintenance, used widely in industrial piping for gases and liquids, featuring elastic or metal seals, self-centering flap discs, various materials, and designed to protect pipes while handling different pressure conditions.
RITAG ZRK Type Bronze
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Press. Rating : PN6 to 16 Temp. : Up to 300 ºC Size : DN 15 to 500 Download Brochure : Click here |
RITAG ZRK Type Carbon Steel
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Press. Rating : PN6 to 40 Class 150 Temp. : Up to 400 ºC Size : DN 50 to 500 Download Brochure : Click here |
RITAG ZRK Type Stainless Steel
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Press. Rating : PN6 to 40 Class 150 Temp. : Up to 400 ºC Size : DN 50 to 500 Download Brochure : Click here |
DUAL-PLATE CHECK VALVES
The RITAG Type ZRD dual plate check valve is a highly versatile non-return valve suitable for vapors, gases, and liquids, available in a wide range of sizes and pressures, with a dual-plate design for optimal flow, retainer-less housing to prevent leakage, compatibility with all standard flanges, and multiple connection types—wafer, flanged, solid lug, and tapped lug—along with various materials and seals to suit nearly any medium.
RITAG ZRD 4 / ZRD AB Bronze
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Press. Rating : PN 6 to 16 Class 150 to 300 Temp. : Up to 300 ºC Sizes : DN 50 to 1000 Download Brochure : Click here |
RITAG ZRD G / ZRD DCI Ductile Cast Iron
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Press. Rating : PN 6 to 16 Class 150 Temp. : Up to 300 ºC Sizes : DN 50 to 1000 Download Brochure : Click here |
RITAG ZRD 1 / ZRD CS Carbon Steel
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Press. Rating : PN 6 to 160 Class 150 to 2500 Temp. : Up to 450 ºC Sizes : DN 50 to 1000 Download Brochure : Click here |
RITAG ZRD 2 / ZRD 3 / ZRD SS Stainless Steel
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Press. Rating : PN 6 to 160 Class 150 to 2500 Temp. : Up to 400 ºC Sizes : DN 50 to 1000 Download Brochure : Click here |
TANK BOTTOM VALVES
RITAG bottom valves offer clean, secure, and efficient tank drainage where standard valves are unsuitable, featuring welded cone or piston designs free from casting defects, customizable discharge angles, a modular structure with diverse materials, sealing options, exchangeable seat bushings, and a wide range of accessories including drives, bellows, cleaning nozzles, heating jackets, and special solutions for demanding applications.
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RITAG Cone-type bottom valves come in two main types: Type BA and Type BAS: Type BA: The cone opens into the tank, meaning the valve cone moves inward when opened, with only the spindle remaining in the housing. This design allows internal tank pressure to help push the cone shut, ensuring a tight seal. Type BAS: The cone opens into the valve, not into the tank. This is ideal for tanks with agitators, as the cone does not protrude into the tank, allowing the agitator to mix close to the tank wall. |
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RITAG Piston-type bottom valves come in two main types: Type BAP and Type BVP: Type BAP : cone valves are simple and cost-effective for sampling from tanks, with the cone opening inside the tank. Type BVP : piston valves open fully to allow good sampling and are controlled by a hand wheel or crank for easy operation. Download Brochure : Click here |
SAMPLING VALVES AND SYSTEMS
RITAG sampling valves offer a safe, efficient, and cost-effective solution for sampling liquids, suspensions, and solids, with models tailored to different safety levels, installation conditions, and media types, along with custom solutions, proven sealing systems, and a wide range of accessories
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RITAG BAP/BVP Sampling Valves Cone Version/ Piston Version RITAG Type BAP cone valves are simple and cost-effective for sampling from tanks, with the cone opening inside the tank. RITAG Type BVP piston valves open fully to allow good sampling and are controlled by a hand wheel or crank for easy operation. Download Brochure : Click here |
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RITAG EPOS Sampling Systems RITAG EPOS® is a flexible sampling system for pipes and cabinet setups. It has safety locks, works well with hazardous liquids, and offers many accessories, making it easy and safe to use. Download Brochure : Click here |
CLEAN SERVICE (EHEDG)
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RITAG Clean Service Valves Design for the food and pharmaceutical industries with high cleanliness, supporting Clean-In-Place (CIP) cleaning following EHEDG standards. They have minimal or no dead spaces, making cleaning easy and safe, including models like HYPOS 100, SR 93.16, EPOS CS 100, and BA CS. Download Brochure : Click here |
QUALITY CONTROL AND TESTING
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Not only in chemical or oil industries, but different fields have various standards and laws. RITAG valves undergo strict testing and approvals, including pressure, leak, low-temperature, and cleanability tests. Material checks follow EN 10204, with optional special tests like dye penetration, magnetic particle, ultrasonic, radiation, and material ID for guaranteed safety and quality. The standards are controlled as follows:
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The Original ARV was developed by Wilhelm Schroeder in 1950 as the world’s first Automatic Recirculation Valve. It set a new standard for protecting pumps and systems with reliable performance, helping to reduce operating costs. It offers proven quality and service from Schroeder Valves.
To prevent problems from operating below minimum flow like excessive temperature rise, cavitation, dry running, noise, vibration, and breakdowns. We tackle these issues daily with technology that ensures safety. Keeping your equipment reliable is our top priority. Our valves protect pumps worldwide.
The AR valve is installed at the pump’s outlet or in the discharge pipe just after the pump. It has a bypass connected to a bypass line. The valve works by controlling the flow. When starting up and the main line is closed, the valve allows a minimum flow through the bypass. When the main discharge line opens, the valve adjusts the flow between the main line and the bypass. If the process needs more than the minimum flow, the bypass closes completely, sending all flow through the main line. If the flow drops below the minimum, the valve automatically opens the bypass to recirculate the flow back through the bypass line to a tank or vessel.
Advantages
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SSV Series - The all-rounder The AR Valve SSV Series protects centrifugal pumps from damage caused by dry running or cavitation by automatically opening a bypass to maintain minimum flow, even if the main flow is zero, and safely supports high pressure. |
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SSV Series -With control disc The AR Valve SSV Series is designed for centrifugal pumps needing a high minimum flow—up to 70% of the main flow at low pressure—and supports a maximum pressure difference of 40 bar between the inlet and bypass outlet. |
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SIP Series - For intermediate pressures The AR Valve SIP Series is designed to protect pumps in applications up to 250 bar, frequently operating at minimum flow with an open bypass that splits flow between the process and bypass lines. |
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SHP Series - For high pressures The AR Valve SHP series is designed for very high pressures above 250 bar and works reliably even under highly fluctuating load conditions. |
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SMA Series - High pressure ON or OFF The AR Valve SMA series offers low wear and very high operational safety even under very high pressure. It has an ON/OFF function controlled by a piston, which fully opens or closes the bypass within 2 seconds. |
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SDV Series - Back pressure devices The AR Valve SDV series maintains constant pressure even at zero flow and prevents reverse flow. Ideal for use with AR valves. |
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SSD Series - Multi-port throttles The AR Valve SSD series is a multiport throttle used to control flow in systems with pressure up to 630 bar and media temperatures up to 400 °C. The housing is typically made of carbon steel or stainless steel, depending on the fluid. |
Download Brochure : Click here
High-quality products deserve excellent service. That’s why Customer Service is a key part of Schroeder Valves. We provide full support—from product selection to maintenance and documentation.
Our sales and service teams around the world help you find the best solution for protecting or servicing your pumps. To guarantee quality, every valve is pressure-tested at our unique in-house test center before shipping.
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