Continental Disc Corporation Rupture Disc Selection Guide ...

1 Continental disc Corporation Rupture disc Selection Guide1-1100 SELECTING A Rupture select the proper Rupture disc for any application, it is important to begin by writing down specific data about your Maximum allowable working pressure of the vessel (MAWP): psig, barg, kg/cm2, Maximum operating conditions:Pressure: psig, barg, kg/cm2, :degree of Fahrenheit, Centigrade, Rupture disc burst conditions:Pressure: psig, barg, kg/cm2, :degree of Fahrenheit, Centigrade, Process media: liquid or gase. Backpressure and/or vacuum conditions: psig, barg, kg/cm2, Service conditions: static, cyclic or pulsating. If known,what is the frequency of cycles or pulsations g. Code/Standards requirements: ASME Section III or VIII, BSI, EN, ISO, TUV, JIS, DIN, Appropriate Rupture disc and holder material to meet corrosive and/or temperature requirements of the applicationi.

2 Flange connection type and class at Rupture disc installationj. Other special the system operating to Rupture disc burst pressure operating pressure x 100minimum Rupture disc burst to page 18, 19 & 20 of this Guide and make a tentative Rupture disc Selection from the chart usingthe system data summarized in steps 1 and the appropriate productliterature to assure the Rupture disc burst pressure is within the minimum and maximum pressure capability of the selected Rupture disc type and required options or accessories for both the Rupture disc and holder, such as coating, lining, J-Hook, excess flow valve, vacuum support, to the specific product literature for detailed ordering final Selection of a Rupture discand holder is the responsibility of the customer. If you need assistance oradditional technical information, consultyour representative or the many cases,the type of Rupture discfor a given applicationmay be foundusing the following steps:% Ratio=3 Continental disc Corporation manufactures Rupture discsto our customers specifications to help protect vessels, equipment and systemsagainst damaging overpressure , SERVICE, TECHNICAL SUPPORT,INNOVATIVE PRODUCTST hese are the benchmarks thatenable to provide you,our customer, with thebest possible products and disc CORPORATIONQUALITYQ uality starts with our first contactwith you.

3 That quality is an integral partof every step we take to provide you with what you expect to receive. All manufacturing is performed under anapproved ISO 9001 Quality AssuranceSystem. can supply Rupture discscertified to the standards of the ASME,the European Pressure EquipmentDirective, the China Safety QualityLicensing Administration, the 3A SanitaryStandards Council, and many commitment to supply the services you expect: Technical assistance, training and support Fast, technical, easily understood quotations Providing the product to your specifications Shipping schedules that are unmatched in the offers an emergency serviceprogram to meet your needs. Shippingschedules are adjusted daily to meetyour emergency SUPPORTOur policy is to continuously trainin-house and field personnel. Thishas resulted in s reputation as aprovider of correct, effective answersto special pressure relief applicationproblems.

4 We offer technical seminarsfor: Rupture disc applications Custom manufactured products Installation and handling Maintenance proceduresWith a world-wide representativenetwork backed by an in-house technicalstaff, can assist in determiningthe best and most economical rupturedisc for your specific needs. INNOVATIVE PRODUCTSWe are leading the way to tomorrow!Exclusive products introduced to meetour customers needs include:ULTRX Rupture scored,reverse acting Rupture disc for eitherGASEOUS or LIQUID Rupture A scored,reverse acting Rupture disc with featuresthat make it ideal for low pressure applications as low as psig (0,103 barg). ALARM notifies operators thata Rupture disc has /POS-A-SET industry s first ultralow pressure Rupture disc capable of operating in inches of water For fast, easy Rupture disc three-dimensional flowtag of corrosion resistant stainless steelto provide visual verification the rupturedisc is properly oriented in the OF DISCT ension Type Rupture discsare oriented in a system with the processmedia pressure against the concave side of the Rupture disc (Figure A, 30 Seat;Figure B, Flat Seat).

5 As the process pressure increases beyond the allowableoperating pressure, the Rupture disc starts to grow. This growth will continue asthe pressure increases, until the tensilestrength of the material is reached and Rupture Acting Rupture discsare oriented in a system with the processmedia pressure against the convex side of the disc (Figure C), placing the rupturedisc in compression. As the burst pressurerating of the disc is reached, thecompression loading on the Rupture disccauses it to reverse, snapping through theneutral position and causing it to open by a predetermined scoring pattern or knifeblade reverse acting Rupture disc providessome advantages, as compared to tensiontype Rupture discs, which may warrantconsideration when selecting a Rupture advantages include: Zero manufacturing range allowing the Rupture disc to operate to 90% of its stamped burst pressure Full vacuum capabilities without the need of an additional support member Longer service life under cyclic or pulsating conditions Constructed using thicker materials providing greater resistance to corrosionPages 5-17 of this Guide provide a brief overview of the various tension and reverse acting design Rupture discs,holders, accessories and options offered by Continental disc Corporation .

6 Fordetailed information regarding a specificdesign, refer to the bulletin noted at the end of each product overview, or contactthe factory single type of Rupture disc will meet all the numerous applications of an industry. Each type of Rupture disc , Tension or Reverse Acting, has its own characteristics and Type Rupture DiscsReverse Acting Rupture Discs4 Process SideProcess SideFig. AFig. BFig. CProcess SideAStandard Rupture Discis a solid metal, differential pressure relief device with an instantaneous, full-opening, non-reclosing : 1/4" - 30" (6,0mm - 750mm) diameterOperating conditions:Pressure: Up to 70% of rated burst pressureTemperature: To 1000 F (538 C)Depending on materialBurst pressure: 3 to 80,000 psig @ 72 F(0,207 to 5516 barg @ 22 C)Depending on size Service:Liquid or gas, static, cyclic andpulsating conditionsMaterial:Aluminum, Nickel, Inconel *,Monel *, Silver, Tantalum, Hastelloy C and 316SS.

7 Other materials availableTagging: Three-dimensional stainless steel flow tag attached to 1" (25mm) and aboveSeat type:30 degree or flat seatHolders: Insert, Full Bolted, Union, Screw-Type, Tite-Seal or QUICK-CHANGE holdersAlarm system: Alarm System compatibleOptions: Rupture disc : Liners, coatings, protective rings, gaskets, vacuum or handling supports and dentprotectors Holder: J-Hook, coating, special gasket surface finish, gauge tapTENSION TYPE DISCThe Composite Rupture Discis designed forsystems requiring a lower burst pressure thanoffered in Standard discs. s patentedseven-hole center pattern is designed for non-fragmentation when used with a Teflon :1" - 30" (25mm - 750mm) diameterOperating conditions:Pressure: Up to 80% of rated burst pressureTemperature: To 1000 F (538 C)Depending on material Burst pressure: 2 to 1440 psig @ 72 F(0,138 to 99,3 barg @ 22 C)Depending on size Service: Liquid or gas, static, pulsating or cyclic conditions.

8 May be used under pressure relief valvesMaterial: Top Section: 316SS, Nickel, Inconel, Monel, Tantalum, Aluminum, or Hastelloy ** : Teflon **or metalOther materials availableTagging: Three-dimensional stainless steel flow tag attached to 1" (25mm) and aboveSeat type:30 degreeHolders:Insert, Full Bolted, Union, or QUICK-CHANGE holdersAlarm system: Alarm System compatibleOptions: Rupture disc : Liners, protective rings, gaskets, vacuum or handling supportsHolder: J-Hook, coating, special gasket surface finish, gauge tapStandard Rupture DiscComposite Rupture Disc5*Inconel and Monel are registered trademarks of the Inco family of companies.**Hastelloy is a registered trademark of Haynes International.**Teflon is a registered trademark of du Pont de Nemours and Company used under additional information:Standard Type Rupture Discbulletin #2-2201-2 Composite Type Rupture Discbulletin #2-2202-2 TENSION TYPEMICRO X Cross Scored Rupture DiscComposite Flat Seat Rupture Disc6 The Composite Flat Seat Rupture Discisdesigned for systems requiring a lower burst pressure than offered in a MICRO X Rupture s seven-hole center pattern provides a non-fragmenting design when used with aTeflon :Sizes:11/16" - 36" (17,5mm - 900mm) diameterOperating conditions:Pressure: Up to 80% of rated burst pressureTemperature: To 1000 F (538 C)Depending on materialBurst pressure:2 to 1440 psig @ 72 F(0,138 to 99,3 barg @ 22 C)Depending on size Service:Liquid or gas, static, pulsating or cyclic conditions.

9 May be used under pressure relief valvesMaterial: Top Section: 316SS, Nickel, Inconel, Monel, Tantalum, or Hastelloy CSeal: Teflon or metal Other materials availableTagging:Three-dimensional stainless steel flow tag attached to 1" (25mm) and aboveSeat type:Flat seatHolders:UNISERT, Tite-Seal, Screw Type, QUICK-CHANGE, Sanitary or CLEAN-SWEEP holderAlarm Alarm System compatibleOptions: Rupture disc : Liners, protective rings, gaskets, vacuum supportHolder: J-Hook, coating, special gasket surface finish, gauge tap, tantalum lining (UNISERT)For additional information:UNISERT Assemblybulletin #2-2203-2 The MICRO X Rupture Discis a cross-scored flat seat tension type Rupture disc . It is designedfor non-fragmentation with a four-petal :Sizes:1" - 36"(25mm - 900mm) diameterOperating conditions:Pressure: Up to 80% of rated burst pressureTemperature: To 1000 F (538 C)Depending on materialBurst pressure: 15 to 3600 psig @ 72 F(1,03 to 248 barg @ 22 C)Depending on sizeService:Liquid or gas, static, pulsating or cyclic conditions; may be used under a pressure relief valveMaterial:Nickel, Monel, Inconel, Tantalum, Hastelloy C, or 316SS.

10 Other materials availableTagging:Three-dimensional stainless steel flow tag attached to all sizesSeat type: Flat seatHolder:UNISERT , QUICK-CHANGE or CLEAN-SWEEP holderAlarm Alarm System compatibleOptions: Rupture disc : Liners, coatings, vacuum support(vacuum support not required in 1"- 4" {25mm-100mm} size)Holder: J-Hook, coating, special gasket surface finish, gauge tap, tantalum lining (UNISERT)TENSION TYPE DISCThe ENVIRO-SEAL Rupture Discis a flat composite Rupture disc , designed to provide economic isolation for low pressure atmosphericstorage vessels or to isolate the downstreamside of a pressure relief Rupture Discs are available inthree designs: Type I: Burst in one direction only Type II & III: Burst in either direction, positive or vacuum, at the same burst pressureSPECIFICATIONS:Sizes:2"- 36" (50mm - 900mm) diameterOperating conditions:Pressure: Up to 50% of rated burst pressureTemperature: To 400 F (204 C)Burst pressure: 1 to 59 psig @ 72 F(0,069 to 4,07 barg @ 22 C)Depending on sizeService:Gas or liquidMaterial:Top section(s): 316SS, Nickel, Inconel, Monel, Tantalum, or Hastelloy C.