Poly-SD Rupture Disc
Poly-SD Rupture Disc
  • POLY-SD* Ideal for Polymerization Processes
  • POLY-SD* Ideal for Polymerization Processes

Poly-SD Rupture Disc

Scored, Forward-acting

The versatile Poly-SD rupture disc can be used in liquid, vapor and two phase flow and is available in a large variety of materials. Specifically designed to help prevent material buildup on the rupture disc, the Poly SD is ideal for polymerization processes.

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  • Provides pressure relief at or below its rated burst pressure, even if damaged or installed upside down
  • Different scoring configurations offer optimized performance over a wide range of pressures.
  • Operates in liquid, vapor and multi-phase media applications
  • Can be operated as high as 90% of rated burst pressure or 95% of minimum burst pressure
  • Can withstand full vacuum without vacuum support, in a wide range of pressures
  • Non-fragmenting
  • Effective in VALVEGUARD protection of expensive Pressure Relief Valves and Safety Relief Valves

 

DesignScored, Forward-acting
Size Range0.5 in to 24 inDN15 to DN600
Burst Pressure Range20 to 3000 psig1.38 to 206.84 barg
Burst Pressure Tolerance± 2 psig for burst pressures ≤ 40 psig
± 5% for burst pressures > 40 psig		± 0.15 barg for burst pressure < 1.5 barg
stand. ± 10% / red. ± 0.15 barg for burst pressures > 1.5 barg en < 2.76 barg
stand. ± 10% / red. ± 5% for burst pressures > 2.76 barg
MaterialsAluminum 1100, 316/316L SST, Nickel 200/201, Monel® 400, Inconel® 600, Silver

 

 

Pressure Relief Installation & Maintenance Videos

 

Data Sheets & Brochures

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