Gate Valve - Cryogenic - DIN | Valvosider

Cryogenic Gate Valve Valvosider per DIN

The Valvosider Cryogenic DIN gate valve is designed for flow isolation in cryogenic media such as LNG, liquid nitrogen, liquid oxygen, argon, helium, and hydrogen. The extended bonnet keeps the packing away from low-temperature zones, reducing the risk of stem freezing. Suitable for operation down to -196 °C.

Variants

• 1200EB: PN16, DN50–DN600, F5
• 1210EB: PN25, DN50–DN600, F5
• 1220EB: PN40, DN50–DN600, F7
• 1230EB: PN63, DN50–DN600, F7
• 1240EB: PN100, DN50–DN600, F7

Product page specifies DIN standardization, flanged connection, and materials 1.4408 or 1.4552.

Construction and Standards

Basic construction includes oval body, bolted bonnet, OS&Y, rising stem, non-rising handwheel, and flexible wedge. Design based on EN 12516, face-to-face EN 558, flanges EN 1092, BW ends per EN 12627, testing EN 12266, marking EN 19, CE/PED, and certificates EN 10204 3.1 / 3.2.

Materials and Sealing

Available configurations include body/bonnet 1.4552 or 1.4408, seats and wedge surfaces from stainless materials, with options for Stellite, Monel, or Hastelloy. Gasket and packing are PTFE, with graphite or other materials available based on fluid and temperature.

Operation Options

Available with top flange ISO 5210, gear reducer, chain wheel, electric, pneumatic, or hydraulic actuator, position indicator, limit switches, locking/interlock, stem extension, live-loaded packing, drain plug, by-pass, PTFE soft seats, and cold box / fully extractable configurations. Gear reducer recommended from DN500/PN16, DN400/PN25, DN300/PN40, and DN200 for PN63–PN100.

FAQ

Is it used for regulation? No, it is an isolation valve.
Why is an extended bonnet needed? To keep the packing out of the cold zone.
When is a relief hole required? In cryogenic liquids, to prevent overpressure from trapped liquid during warming.