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ASME BPVC VI 2017

ASME BPVC VI 2017

$377.00

ASME BPVC – VI -2017 BPVC Section VI, Recommended Rules for the Care and Operation of Heating Boilers

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ASME 2017
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PDF Catalog

PDF Pages PDF Title
5 CONTENTS
8 LIST OF SECTIONS
10 FOREWORD
12 STATEMENT OF POLICY ON THE USE OF THE CERTIFICATION
MARK AND CODE AUTHORIZATION IN ADVERTISING
STATEMENT OF POLICY ON THE USE OF ASME MARKING TO
IDENTIFY MANUFACTURED ITEMS
13 SUBMITTAL OF TECHNICAL INQUIRIES TO THE BOILER AND
PRESSURE VESSEL STANDARDS COMMITTEES
16 PERSONNEL
35 SUMMARY OF CHANGES
36 LIST OF CHANGES IN RECORD NUMBER ORDER
37 CROSS-REFERENCING AND STYLISTIC CHANGES IN THE BOILER
AND PRESSURE VESSEL CODE
39 ARTICLE 1 INTRODUCTION
40 ARTICLE 2 GLOSSARY
44 ARTICLE 3 TYPES OF BOILERS
3.1 CLASSIFICATION
3.2 ASME CERTIFICATION MARK
3.2.1 Boilers Stamped With the Certification Mark With H Designator
3.2.1.1
3.2.1.2
3.2.1.3
3.2.2 Potable Water Heaters Stamped With the Certification Mark With H or HLW Designator
3.3 METHOD OF MANUFACTURE
3.3.1 Fabricated Boilers
3.3.1.1 Firetube Boilers
3.3.1.2 Watertube Boilers
45 3.3.2 Cast Boilers
3.3.2.1
3.3.2.2
3.3.3 Vacuum Boilers
3.4 CATEGORY
3.4.1 Noncondensing Boilers
3.4.2 Condensing Boilers
3.4.2.1
FIGURES
Figure 3.3.1.1.1-1 Horizontal Tube, Brick-Set
TABLE
46 3.4.2.2
Figure 3.3.1.1.2-1 Gas Flow Patterns of Scotch-Type Boilers
Figure 3.3.1.1.3-1 Type C Firebox Boiler
47 Figure 3.3.1.1.3-2 Three-Pass Firebox Boiler
Figure 3.3.1.1.4-1 Vertical Firetube Boiler
Figure 3.3.2.1-1 Horizontal Sectional Cast Iron Boiler
Figure 3.3.2.1-2 Vertical Sectional Cast Iron Boiler
48 ARTICLE 4 FUELS AND FUEL-BURNING EQUIPMENT
4.1 TYPES OF FUELS
4.1.1 Gaseous Fuels
4.1.1.1 Natural Gas
4.1.1.2 Manufactured Gas
4.1.1.3 Digester Gas
4.1.2 Liquid Fuels
4.1.2.1 Liquefied Petroleum Gas (LPG)
4.1.2.2 Fuel Oils
49 4.1.3 Solid Fuels
4.1.3.1 Coal
4.1.3.2 Wood
50 4.1.4 Electricity
4.2 FUEL-BURNING EQUIPMENT
4.2.1 Gas-Burning Equipment
4.2.1.1 Atmospheric Burners
4.2.1.2 Power Burners
4.2.1.3 Combination Fuel Burners
4.2.2 Liquid-Burning Equipment
4.2.2.1 Pressure-Atomizing Burners (Gun Type)
4.2.2.2 Steam-Atomizing Burners
4.2.2.3 Air-Atomizing Burners
4.2.2.4 Horizontal Rotary Cup Burner
51 4.2.3 Solid-Fuel-Burning Equipment
52 ARTICLE 5 BOILER ROOM FACILITIES AND INSTALLATION
5.1 GENERAL
5.1.1 Scope
5.1.2 Intention
5.1.3 Installation
5.1.4 New Boilers — Acceptance and Examination
5.1.4.1 Examination for Contractual Acceptance
5.1.4.2 Operational Examination
5.2 LIGHTING
5.3 VENTILATION AND COMBUSTION AIR
5.3.1 Combustion Air
53 5.3.2 Air Openings
5.4 CLEARANCES
5.5 FIRE PROTECTION
5.6 ELECTRICAL SUPPLY
5.6.1 Wiring
5.6.2 Switches or Circuit Breakers
5.6.2.1
5.6.2.2
5.7 FUEL SUPPLY
5.8 CHIMNEY OR VENT
5.8.1 Installation
5.8.2 Handling of Condensate
5.9 PIPING — WATER AND DRAIN CONNECTIONS
5.9.1 General
5.9.2 Provisions for Expansion and Contraction
5.9.3 Steam Boiler Return Pipe Connections
5.9.3.1
54 5.9.3.2
5.9.3.3
5.9.3.4
Figure 5.9.1-1 Single Hot Water Heating Boiler — Acceptable Piping Installation
55 Figure 5.9.1-2 Hot Water Heating Boilers in Battery — Acceptable Piping Installation
56 Figure 5.9.1-3 Single Steam Boilers — Acceptable Piping Installation
57 Figure 5.9.1-4 Steam Boilers in Battery — Pumped Return — Acceptable Piping Installation
58 Figure 5.9.1-5 Steam Boilers in Battery — Gravity Return — Acceptable Piping Installation
59 5.9.4 Feedwater and Makeup Water Connections
5.9.4.1 Water Connections
5.9.4.2 Steam Boilers
5.9.4.3 HotWater Boilers
5.9.4.4 Valve Ratings
5.9.4.5 Backflow Preventer
5.9.5 Bottom Blowoff Valve
5.9.6 Drains
5.9.6.1 Drain Connections
5.9.6.2 Drain Valve
5.9.6.3 Condensing Boilers
5.9.7 Stop Valves
5.9.7.1 Installation
60 5.9.7.2 Valve Specifications
5.9.7.2.1
5.9.7.2.2
5.9.7.2.3
5.9.7.2.4
5.9.7.2.5
5.9.8 Modular Boilers
5.9.8.1 Individual Modules
5.9.8.2 Assembled Modular Boilers
Table 5.9.5-1 Size of Bottom Blowoff Piping,Valves, and Cocks
61 5.10 SAFETY
5.11 HOUSEKEEPING
5.12 POSTING OF CERTIFICATES AND/OR LICENSES
5.13 RECORD-KEEPING, LOGS, ETC.
5.13.1 Drawings, Diagrams, Instruction Books, Etc.
Figure 5.9.8-1 Modules Connected With Parallel Piping
Figure 5.9.8-2 Modules Connected With Primary–Secondary Piping
62 5.13.2 Logbook
5.13.3 Maintenance Schedules and Records
63 ARTICLE 6 OVERPRESSURE PROTECTION
6.1 PRESSURE RELIEF VALVES
6.1.1 General
6.1.2 Safety Valves
6.1.3 Safety Relief Valves
6.1.4 Temperature and Pressure Safety Relief Valves
6.2 PRESSURE RELIEF VALVE REQUIREMENTS
6.2.1 Safety Valve Requirements for Steam Boilers
6.2.1.1
6.2.1.2
6.2.1.3
6.2.1.4
6.2.1.5
6.2.1.6
6.2.2 Safety Relief Valve Requirements for Hot Water Boilers
6.2.2.1
Figure 6.1.1-1 Official Certification Mark
64 6.2.2.2
6.2.2.3
6.2.2.4
6.2.2.5
6.3 MOUNTING
6.3.1 General
Figure 6.1.2-1 Safety Valve
Figure 6.1.3-1 Safety Relief Valve
65 6.3.2 Requirements for Common Connections for Two or More Valves
6.3.2.1
6.3.2.2
6.3.3 Threaded Connections
6.3.4 Prohibited Mountings
6.3.5 Shutoff Valves
6.4 PRESSURE RELIEF VALVE DISCHARGE PIPING
6.4.1 Discharge Piping
6.4.2 Piping Arrangement
6.5 TEMPERATURE AND PRESSURE SAFETY RELIEF VALVES
6.6 VALVE REPLACEMENT
6.7 TRY-LEVER TEST FOR SAFETY VALVES (STEAM BOILERS)
66 Figure 6.4.1-1 Safety Relief Valve Discharge Pipe
67 6.8 TRY-LEVER TEST FOR SAFETY RELIEF VALVES (WATER BOILERS)
68 ARTICLE 7 SYSTEM ACCESSORIES
7.1 STEAM BOILERS
7.1.1 Steam Trap
7.1.2 Condensate Return Pump Loops
7.1.2.1
7.1.2.2
7.1.2.3
7.1.2.4
7.1.3 Vacuum Return Pump
7.1.4 Economizer (Steam Boiler)
7.2 HOT WATER BOILERS
7.2.1 Air Eliminators
Figure 7.1.1-1 Thermostatic Trap
69 7.2.2 Circulators (Circulating Pumps)
7.2.3 Economizer (Hot Water Boiler)
7.2.4 Expansion Tank
7.2.4.1 Systems With Open Expansion Tank
7.2.4.2 Closed-Type Systems
7.2.4.3 Minimum Capacity of Closed-Type Tank
Figure 7.1.1-2 Float Trap
Figure 7.1.1-3 Float and Thermostatic Trap
Figure 7.1.1-4 Bucket Trap With Trap Closed
70 7.2.5 Storage Tanks for Hot Water Supply Systems
Figure 7.1.2.3-1 Typical Return Loop
71 ARTICLE 8 CONTROLS AND INSTRUMENTATION
8.1 LOW‐WATER FUEL CUTOFFS AND WATER FEEDERS
8.1.1 Float-Type Low‐Water Fuel Cutoffs
8.1.2 Electric-Probe-Type Low‐Water Fuel Cutoffs
Figure 8.1.1-1 Float-Type Low-Water Cutoff
72 Figure 8.1.2-1 Probe-Type Low-Water Cutoff
73 8.2 PRESSURE GAUGE
8.2.1 General
8.2.2 Mounting
8.2.3 Types of Pressure Gauges
8.2.4 Calibration
8.3 CONTROLS
8.3.1 General
8.3.2 Spare Parts
8.3.3 Power for Electrically Operated Controls
8.3.4 Operating Controls
8.3.5 Limit Controls
74 8.3.6 Safety Controls
8.3.7 Programming Controls
8.4 STEAM HEATING BOILERS
8.4.1 Low-Water Fuel Cutoffs
8.4.1.1
8.4.1.2
8.4.1.3
8.4.1.4
8.4.2 Steam Gauges
8.4.2.1
8.4.2.2
8.4.3 Water Gauge Glasses
8.4.3.1
8.4.3.2
8.4.3.3
75 8.4.3.4
8.4.3.5
8.4.3.6
8.4.4 Water Column and Water-Level-Control Pipes
8.4.4.1
8.4.4.2
8.4.5 Pressure Controls
8.4.5.1
8.4.5.2
8.4.5.3
8.4.5.4
8.4.5.5
8.5 HOT WATER HEATING BOILERS
8.5.1 Low‐Water Fuel Cutoff (Hot Water)
8.5.1.1
8.5.1.2
8.5.1.3
8.5.1.4
76 8.5.1.5
8.5.2 Thermometers
8.5.3 Pressure or Altitude Gauges
8.5.4 Temperature Controls
8.5.4.1
8.5.4.2
8.5.4.3
8.5.5 Differential Temperature Controls
8.5.6 Air for Pneumatically Operated Controls
77 ARTICLE 9 OPERATION AND MAINTENANCE OF STEAM BOILERS
9.1 STARTING A NEW BOILER AND HEATING SYSTEM
9.1.1 Examination for Foreign Objects
9.1.2 Checks Before Filling
9.1.3 Operation to Clean the System
9.1.4 Boiling Out
9.1.5 Second Boil-Out for Stubborn Cases
78 9.2 STARTING A BOILER AFTER LAYUP(SINGLE-BOILER INSTALLATION)
9.2.1 Procedure
9.2.2 Action in Case of Abnormal Conditions
9.3 CONDENSATION
9.4 CUTTING IN AN ADDITIONAL BOILER
79 9.5 OPERATION
9.5.1 Water Level
9.5.1.1
9.5.1.2
9.5.2 Steam Pressure
9.5.3 Blowdown
9.5.4 Appearance of Rust
9.5.5 Water-Level Fluctuation
80 9.5.6 Abnormal Water Losses
9.5.7 Makeup Water
9.5.7.1
9.5.7.2
9.5.7.3
9.5.7.4
9.5.8 Low-Water Cutoff
9.5.8.1
9.5.8.2
9.6 REMOVAL OF BOILER FROM SERVICE
9.6.1 General
9.6.2 Cleaning
9.6.3 Protection Against Corrosion
9.6.4 Water Level
9.6.5 Periodic Checks
9.7 MAINTENANCE
9.7.1 Cleaning
9.7.2 Draining
81 9.7.3 Protection Against Freezing
9.7.4 Fire-Side Corrosion
9.7.5 Safety Valves
9.7.6 Burner Maintenance
9.7.6.1 Oil Burners
9.7.6.2 Gas Burners
9.7.7 Low-Water Fuel Cutoff and Water Feeder Maintenance
9.7.8 Flame Safeguard Maintenance
9.7.8.1 Thermal-Type Detection Device
9.7.8.2 Electronic-Type Detection Device
9.7.9 Limit Control Maintenance
82 9.7.10 Cast Iron Boiler Maintenance
9.7.10.1 Heating Surfaces
9.7.10.2 Internal Surfaces
9.7.11 Steel and Copper Boiler Maintenance
9.7.11.1 Heating Surfaces
9.7.11.2 Boilers With Removable Waterway Covers
9.7.11.3 Boilers Without Removable Waterway
Covers
9.7.12 Use of Flashlight for Internal Examination
9.7.13 Leaking Tubes
9.7.14 Use of Sealant
9.7.15 Maintenance of Condensate Return Systems
9.7.16 Maintenance Schedule for Boilers in Service
83 ARTICLE 10 OPERATION AND MAINTENANCE — HOT WATER BOILERS AND HOT WATER HEATING BOILERS
10.1 STARTING A NEW BOILER AND HEATING SYSTEM
10.1.1 Examination for Foreign Objects
10.1.2 Checks Before Filling
10.1.3 Boiling Out
10.2 STARTING A BOILER AFTER LAYUP(SINGLE-BOILER INSTALLATION)
10.2.1 Procedure
84 10.2.2 Action in Case of Abnormal Conditions
10.3 CONDENSATION
10.4 CUTTING IN AN ADDITIONAL BOILER
10.5 OPERATION
10.5.1 Check of Pressure and Temperature
10.5.2 Operating Temperature and Pressure
10.5.2.1 Operating Temperature
10.5.2.2 Operating Pressure
10.5.2.3 Temperature and Pressure Safety Relief Valves
10.6 REMOVAL OF BOILER FROM SERVICE
10.6.1 General
10.6.2 Cleaning
85 10.6.3 Protection Against Corrosion
10.6.4 Periodic Checks
10.7 MAINTENANCE
10.7.1 Cleaning
10.7.1.1 General
10.7.1.2 Backwashing of Water Heater
10.7.2 Draining
10.7.3 Protection Against Freezing
10.7.3.1
10.7.3.2
10.7.3.3
10.7.4 Fire-Side Corrosion
10.7.5 Safety Relief Valves
86 10.7.6 Burner Maintenance
10.7.6.1 Oil Burners
10.7.6.2 Gas Burners
10.7.7 Low-Water Fuel Cutoff
10.7.8 Flame Safeguard Maintenance
10.7.8.1 Thermal-Type Detection Device
10.7.8.2 Electronic-Type Detection Device
10.7.9 Limit Control Maintenance
10.7.10 Cast Boiler Maintenance
10.7.10.1 Heating Surfaces
10.7.10.2 Internal Surfaces
10.7.11 Steel Boiler Maintenance
10.7.11.1 Heating Surfaces
10.7.11.2 Internal Surfaces
10.7.12 Use of Flashlight for Internal Examinations
87 10.7.13 Leaking Tubes
10.7.14 Use of Sealants
10.7.15 Maintenance of Circulating Pumps and Expansion Tanks
10.7.16 Maintenance Schedule for Boilers in Service
88 ARTICLE 11 INSPECTIONS OF INSTALLED BOILERS
11.1 PERIODIC INSPECTION OF BOILERS
11.1.1 Preparation for Inspection
11.1.2 Preparation for the Liquid Pressure Test
11.2 INSPECTION OF THE BOILER BY THE INSPECTOR
89 ARTICLE 12 BOILER REPAIRS
12.1 PRECAUTION
12.2 NOTIFICATION
12.3 WELDING REQUIREMENTS
12.4 SAFETY
90 ARTICLE 13 WATER TREATMENT
13.1 SCOPE
13.2 CONSIDERATIONS
13.3 WATER TREATMENT SPECIALISTS
13.4 LOCAL ORDINANCES
13.5 POTENTIAL BOILER WATER PROBLEMS
13.5.1 Corrosion
13.5.2 Scale Deposits
13.5.3 Metal or Caustic Embrittlement
13.5.4 Foaming, Priming, and Carryover
91 13.6 BLOWDOWN (STEAM BOILERS)
13.7 CHEMICAL FEEDERS
13.8 PROCEDURES
13.8.1 Determination of Water-Containing Capacity
13.8.2 Making a pH or Alkalinity Test
13.8.3 Mixing and Handling Chemicals
92 ARTICLE 14 TREATMENT OF LAID‐UP BOILERS
14.1 GENERAL
14.2 DRY METHOD
14.3 WET METHOD
93 MANDATORY APPENDIX I PERIODIC TESTING AND MAINTENANCE
I-1 INSPECTION AND MAINTENANCE PROGRAM
I-2 RESPONSIBILITIES OF PERSONNEL
94 Figure I-1-1 Exhibit A
96 Figure I-1-2 Exhibit B

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