WIXLIB

ASME SC IV – Heating BoilersUpdate on Section IVChiefs Technical MeetingOctober 3, 2013

ASME SC IV – Heating BoilersTopics to be Covered Membership and Balance of Interest Committee Structure Subgroups Task Groups Current Items of Interest Section VI, Care & Operation Rewrite Safety Valve Capacity Determination New Appendix on Economizers Update on Cast Aluminum Boilers Miniature Boilers

ASME SC IV – Heating BoilersMembership 21 Members 16 Regular Members 2 Delegates 1 Honorary 2 Alternates

ASME SC IV – Heating BoilersBalance of Interest AC Designer-Constructor – 1 AH Insurance – 3 AT Regulatory – 2 MC Manufacturer (Cast) -2 MH Manufacturer (Water Htrs.) – 3 MW Manufacturer (Wrought) – 5 AF General – 0 Delegates – 2 Honary Members – 1 Alternates - 2 0.06250.18750.1250.1250.18750.31250.625

ASME SC IV – Heating BoilersCommittee Structure 5 Sub-Groups SG Care and Operation: 7 membersSG Materials: 8 membersSG Welded Boilers: 10 members, 1Contributing MemberSG Cast Iron: 9 members, 1 alternateSG Water Heaters: 8 membersTask Groups Reference Standards Others As Needed Miscellaneous Pressure Parts Code Edition and Addenda

Questions on Section IV Organization?

Current Items of InterestItem 12-1918, Section VI Rewrite Who is the customer or User? –Owner/Operator/Service/InstallerFocus of RewriteReview current Section VI, CSD-1and NBIC for consistencyDeveloped an outline of thecontents for the rewrite of Section VIAssigned leaders to the variouschapters

Section VI RewriteRevised Outline1.2.3.4.5.6.Glossary/DefinitionsTypes of BoilersFuelsBoiler Room FacilitiesInstallationSystems/Accessories1. Steam2. Hot Water7. Controls & Instrumentation8. Start Up / Commissioning9. Water Treatment10.Inspection / RepairCurrent Outline1. General2. Types of Boilers3. Accessories &Installation4. Fuels5. Fuel Burning Eqpt. andControls6. Boiler Room Facilities7. O&M & Repairs – Steam8. O&M & Repairs – HW9. Water Treatment

Section VI RewriteNew Content 2.0 Types of Boilers Discussion of Space Heatingvs Water Heaters Copper Fin and Coil Type Boilers Condensing vs Non-Condensing 3.0 Fuels Address Digester Gas Flue Gas Recirculation

Section VI RewriteCurrent Status2 Chapters in Rough Draft Types of Boilers Boiler room Facilities SG meeting scheduled for10/9/13 Coordinating with BillLowry on Section VII rewrite

Questions on Section VI Re-write?

Current Items of InterestSafety Valve Capacity Determination3 Concurrent Items13-181, Incorporation of CC 2583Alternate HW Relief Valve SizingLB 13-1327RC1 Closed 10/113-1025, Revise Steam Safety ValveSizingLB 13-1989 Closes 10/513-1473, Relocation of Table HG-400.1to non-mandatory Appendix A-100

History of Heating Surface BasedRelief CapacityOriginal 1914 Code:6 Lb/Hr per Ft 2 for Watertube5 Lb/Hr for all other1st Revision 1918 Code:6 Lb/Hr per Ft 2 for Watertube5 Lb/Hr for all other 100 psi3 Lb/Hr for all other 100 psi

History of Heating Surface BasedRelief Capacity2st Revision 1937 Code:

1st indication of need for change (Section I):1980 Kemper Inquiry re Fluidized Bed Boilersa) What parts of the boiler are considered to be“heating surface”? Are these areas outlined inASME Section I, PG-70?b) If the heating surface is known, what steamgenerating capacity per square foot should I use incalculating the proper relieving capacity of thesafety valves?

Kemper Inquiry Resulted in CC 1889

1987 Inquiry from B&W

Incorporation of CC 1889 & 2057 – 1993 Addenda

Section IV Change comes Slowly 95-213 Weben-Jarco InquiryCopper Fin Tube Boileroutput 800 lb/hr240 ft 2 HS x 16 3840 lb/hr Q: Does Table HG-400.1 apply tocopper fin tube water boilers?R: Yes

98-492 Cleaver Brooks request for Code ChangeClearfire Condensing BoilerProposal to delete heating surface based capacityand place Table HG-400.1 in a non-mandatoryappendix.Failed, Item Closed.

As an alternative to 98-492,01-160 Extended Heating Surface Proposalapproved as alternative Footnote (d) added to Table HG-400.1

07-765 European Condensing Boiler

Safety Valve Capacity DeterminationCurrent Actions 13-181 Incorporation of CC 2583 into HG-400.2

Safety Valve Capacity DeterminationCurrent Actions 13-1025 Parallels 12-181 but for steam Revise HG-400.1(d) same as HG-400.2(e)Delete Table HG-400.1Delete HG-403(d) regarding extendedheating surface generating capacityDelete extended heating surface fromstamping in Fig. HG-530.2&.3

13-1025 revision to HG-401.1

Safety Valve Capacity DeterminationCurrent Actions 13-1473

Questions on Safety Valve Capacity?

New Appendix on EconomizersCurrent Actions 11-1347 Adds new Section IV Appendix onEconomizers. LB 13-1989 Closes 10/5/13 12-1445 Adds new Section I Appendix onEconomizers. LB 13-2028 Closes 10/8/13,SGGR w/ BPV I Comment only

11-1347 Adds new Section IV Appendix onEconomizers

11-1347

11-1347

11-1347

11-1347

11-1347

12-1445 Adds new Section I Part PFE onEconomizers More Complicated than IV due to BEP andprohibition on use of Austenitic StainlessSteels in Water Wetted service. Revise Preamble to address economizersRevise Fig. PG-58.3.1(b) to show economizerswithin and outside scope of BEPAdd new Part PFESection VIII economizers are a long standingpractice based on Interpretation I-78-18

Question 3 from Interpretation I-78-18

Reasons for Use of Section VIII Use of Austenitic StainlessSteel UM Certification Section VIII water servicerelief valves

Allowing economizers outside Section I / BEP scopeFits directly into Section VIII U-1(h)This proposal has modified Section VIII distinctionto be dependent on location of feedwater regulator.

Questions about Economizer Appendices?

Update on Cast Aluminum Boilers Previous Presentation 10/21/2010 Reported difficulty incorporatingCode Cases due to lack of materialdata Only one aluminum foundry existed Taizhou Rising Sun Machinery,Linhai City, China

Update on Cast Aluminum Boilers Three more foundries havebecome accredited Taizhou JJ Machinery, SanmenChina MGG Netherlands B.V., TegelenNetherlands MGG Netherlands B.V., NieuwBergen, Netherlands

Anulled Cast Aluminum Code CasesCC 2153 SB108 Semi Permanent Mold Cast A356.0 - T61 temperCC 2344 SB 26 Sand Cast A356.0 - T6 temper Cases have been annulled with effective date of 1-1-2014. No effort to incorporate. Notice sent to all Cast Aluminum Certificate Holders notifying them ofthe pending annulment. Note added to Code Cases informing users of scheduled annulmentCC 2382 EN 43000 Sand Cast AC-AlSi10Mg(a) - F temper Same as above but this material is incorporated.

Status of Cast Aluminum Code CasesCC 2483 EN 42000 Sand Cast AC-AlSi7Mg - F Temper 12-801 and 12-1554 Open items to Annul and IncorporateCC 2677 EN 44300 Pressure Die Cast AC-AlSi12(Fe) F temper 12-802 and 12-1555 Open items to Annul and IncorporateBoth these Cases are hung up at Section II.

Final Item09-32 Miniature BoilersProposal to add HM stampExempt from inspection by AIInspection by CI10 negative comments from NBmembers Held open to consider SC VIII item 07245 Scope Voted to close at 8-14-13 meeting with 1neg Heino.(sometimes we do listen)

More Complicated than IV due to BEP and prohibition on use of Austenitic Stainless Steels in Water Wetted service. Revise Preamble to address economizers Revise Fig. PG-58.3.1(b) to show economizers within and outside scope of BEP Add new Part PFE Section VIII economizers are a long standing practice based on Interpretation I-78-18