YD Type Rupture Disc

Reverse acting rupture disc, with the convex on the high pressure side. As the pressure increases, the reverse acting knife blade rupture disc, composed of a single piece of metal, will be flipped and be cut open by the knife blade on the outlet holder to release pressure.

• Non-fragmention designed

• Operating ratios to 90% of the marked bursting pressure on disc tag

• Suitable for liquid, gas, or two-phase applications

• The marked bursting pressure on disc tag does not exceed the MAWP of equipment

• Withstands full vacuum without additional support

•Standard materials: Stainless Steel, Inconel, Monel, Nickel and Aluminum. Special materials are also available

• Sizes from 25mm to 600mm

• Burst ratings from 0.5barg to 150barg

• Resists product build-up. The smooth convex side of the disc is exposed to the process media

• Able to be combined with safety valve

• Attached 3-dimensional stainless steel tag is engraved with complete disc specifications

Option

TFE liners are available to provide protection from corrosive media if required.

Note: the maximum temperature rating of rupture discs supplied with linersis lower than the base disc material.

Fitting Holders

YDJ Holders:Insert type rupture disc holders, designed exclusively for YD Series rupture discs.

Standard materials of YDJ holders: Stainless steel and carbon steel. Other materials are available upon request.