VALVOSIDER SRL

API 600 design | Low fugitive emissions construction for Toxic and Lethal Services The Bellow Seal Gate Valves series is designed according to API 600 standards and is ideal for isolating toxic or hazardous fluids, thanks to a welded metallic bellows sealing system that eliminates fugitive emissions. Available in various pressure classes, from 150 to 1500, with diameters ranging from 2” to 24”, these valves ensure high performance and long-term durability in high-risk environments.

EN 12516 Design | For Low-Temperature Applications Down to -196°C | Bonnet Extension per ISO 28921 / BS 6364 Valvosider’s Cryogenic Gate Valves DIN Series are designed to ensure secure shut-off and safe handling of cryogenic fluids like LNG, liquid nitrogen, and liquid oxygen, with applications down to -196°C. The extended bonnet configuration provides thermal insulation, preventing freezing of gland packing and ensuring operational reliability even in extreme cold. Available in pressure classes PN 16, 25, 40, 63, 100, PN160, PN250 in sizes DN 50 to DN 600, with top-quality materials and customizable features.

EN 12516 Design | For High-Pressure and High-Temperature Applications | Short & Long Patterns Available Valvosider’s Pressure Seal Gate Valves DIN Series are specifically engineered for critical isolation duties in high-pressure and high-temperature environments typical of power stations and process industries. The pressure seal bonnet design reduces weight and bolting compared to traditional bolted bonnets, while increasing sealing performance as system pressure rises. Available in PN 100, 160, 250, 320, 420, with sizes from DN 50 to DN 600.

MSS-SP-144 Design | Optimized for High Pressure and High Temperature Power Applications Valvosider Pressure Seal Gate Valves are specifically designed for high-pressure and high-temperature applications, making them ideal for thermal and nuclear power stations. The pressure seal bonnet provides a self-tightening body-bonnet joint that becomes more effective as system pressure increases. Combined with a flexible wedge design, these valves ensure reliable shutoff and smooth operation under thermal cycling and vibration. Available from ASME Class 600 to 2500 and sizes 2” to 24”, these valves guarantee safety, durability, and performance in demanding process environments.

MSS-SP-144 Design | Ideal for High Pressure and High Temperature Applications in Power Generation Valvosider’s Pressure Seal Gate Valves with Parallel Slide are engineered for high-pressure and high-temperature environments such as thermal and nuclear power plants. These valves feature a pressure seal bonnet design that increases sealing efficiency with internal pressure and a parallel disc mechanism for smooth operation and tight bidirectional shutoff. Designed in accordance with MSS-SP-144 and API 600, these valves offer exceptional performance and reliability where safety and durability are essential.

MSS-SP-144 Design | Non-Slam Type for High-Pressure Power Applications API 623 | BS 1873 Design for Low-Temperature Applications down to -196°C The Cryogenic Globe Valve Series is designed in accordance with API 623, BS 1873, and ASME B16.34, MSS SP 134 ensuring safe flow control in cryogenic and low-temperature processes. Featuring an extended bonnet compliant with ISO 28921 and BS 6364, these valves maintain thermal isolation between the process and the operating mechanism. Available in pressure classes ASME 150, 300, 600, 900, and 1500, and sizes from 2” to 16” (up to 12” for Classes 900 and 1500), these valves ensure maximum performance in the harshest environments.

EN 12516 Design | For Oil & Gas and Industrial Applications | 90° Design for Perpendicular Plant Junctions Valvosider’s Globe Valves 90° Angle Bolted Bonnet DIN Series are engineered for high-performance shutoff in demanding industrial environments, particularly where piping configurations require a perpendicular connection. The robust bolted bonnet construction ensures reliability and durability. Available in: PN 10/16 (DN 15 – DN 600) PN 25/40 (DN 15 – DN 600) PN 63 (DN 15 – DN 600) PN 100 (DN 15 – DN 300)

API 623 | BS 1873 Design for Petroleum Refinery and Heavy-Duty Applications Valvosider’s Globe Valves ‘Y’ Type are designed for critical throttling and isolation in heavy-duty services, offering reduced pressure drop thanks to the Y-pattern body. Their heavy-wall construction ensures reliability under high pressure and temperature conditions typical of petroleum refineries and industrial plants. Available in ASME Classes 150, 300, 600, 900, and 1500, in sizes from 2” to 16” (12” for Classes 900 and 1500).

MSS-SP-144 Design | Optimized for High Pressure & High Temperature Power Applications Valvosider Lift Check Valves with Pressure Seal Bonnet are designed to ensure unidirectional flow control and prevent reverse flow in horizontal pipelines operating under high pressure and high temperature. The straight pattern body combined with a top-entry guided disc ensures low-pressure drop, reliable shutoff, and exceptional resistance to thermal and mechanical stress. This series is available in ASME Classes 600 to 2500, and sizes from 2” to 16”, depending on the class. Custom configurations available upon request.

EN 12516 Design | Horizontal Installation | For Oil & Gas and General Industrial Applications Valvosider’s Piston Check Valves DIN Series are designed for non-return applications in industrial systems, offering compact design, full bore opening, and reliable performance under fluctuating flow conditions. The piston mechanism ensures smooth closure, while the bolted cover facilitates inspection and maintenance. Disponibili in: PN 16 (DN 15 – DN 600) PN 25/40 (DN 15 – DN 600) PN 63 (DN 15 – DN 600) PN 100 (DN 15 – DN 300) PN 160 (DN 15 – DN 300)

API 594 Type B | API 6D | BS 1868 Design | For Horizontal and Vertical Installation Valvosider Swing Check Valves are designed to provide reliable one-way flow control in both horizontal and vertical piping systems, offering protection against reverse flow in critical applications. Manufactured according to API 594 Type B, API 6D, and BS 1868, these valves are a preferred solution in oil refineries, chemical plants, and pipeline systems. Equipped with a bolted cover, full-opening design, and optional features like lever and weight, shock absorbers, and PTFE soft sealing, they ensure long-term durability and high performance even under severe service conditions.

MSS-SP-144 Design | Optimized for High-Pressure & High-Temperature Horizontal Flow Applications Valvosider Y-Pattern Lift Check Valves with Pressure Seal Bonnet are engineered to prevent backflow in high-pressure, high-temperature horizontal pipelines, especially in power generation and process applications. The Y-pattern body reduces turbulence and pressure drop, while the spring-loaded disc ensures prompt closure under reverse flow. With a compact layout and pressure-energized bonnet, these valves are suitable for systems where reliability, longevity, and space-efficiency are critical.

ASME B16.34 Design | “T” Pattern for Horizontal Installation | Customizable Screen Perforation Valvosider’s Basket Type Strainers are engineered for efficient removal of debris and particulate from pipelines, protecting downstream equipment and ensuring system reliability. The robust “T” pattern design with bolted cover facilitates easy maintenance, while the customizable screen perforation ensures adaptability for different applications and filtration levels. Available in ASME Classes 150, 300, 600, 900, 1500, and 2500, and in sizes from 2” to 16” (8” for Class 2500).

EN 12516 Design | “T” Pattern for Horizontal Installation | Customizable Screen Perforation Valvosider’s Basket Type Strainers (DIN Series) ensure effective protection of pipelines and equipment by filtering debris and solid contaminants. The robust “T” pattern construction allows for horizontal installation, while the bolted cover ensures easy maintenance and inspection. Available in PN 10, 16, 25, 40, 63, 100, 160 with sizes DN 16 – DN 600.