d series Safety Relief Valves provide full overpressure protection for process systems at an affordable cost of ownership, thanks to their semi-nozzle design. The d Series is available in both conventional and balanced bellows types, with all standard accessories readily available. A variety of valve types, combined with an extensive selection of materials, allows for optimal solutions to meet diverse process conditions and medium requirements.
Features and Benefits
• Wide range of service application:
The d Series is designed to function efficiently in air, gas, steam, and liquid services, offering versatility across different mediums.
• Full lift maximum discharge capability:
The combination of top guiding, an unobstructed seat bore, and full lift capability ensures the highest possible discharge rate, providing maximum plant protection.
• Correct alignment:
A freely pivoting disc ensures correct alignment with the nozzle, with top guiding further ensuring optimal performance.
• Optional Connections:
The d Series valves can be equipped with optional flanged connections featuring unique face-to-face dimensions to match existing installations. Additionally, oversized or expanded outlet sizes are available to suit specific needs.
• Precision lapped stainless steel trim:
Superior lapping techniques provide seat tightness that exceeds the standards required by relevant codes, ensuring reliable performance and leak-tight sealing.
• Comprehensive range of accessories:
The d Series offers a wide variety of accessories, including:
▶ Bellows
▶ Heating jacket
▶ Plain lever
▶ Test gag
▶ Packed lever
▶ Bolted cap
▶ Screwed cap
▶ Soft seat