Standard No.:	SY/T 0511-2024
English Name:	Tank appurtenances for vertical cylindrical welded steel tanks
Chinese Name:	立式圆筒形钢制焊接储罐附件
Professional Classification:	SY    Professional Standard - Oil & Gas
Source Content Issued by:	Nation Energy Administration
Issued on:	2024-12-25
Implemented on:	2025-6-25
Status:	valid
Superseding:	SY/T 0511.9-2010 Oil Tank Appurtenances - Part 9: Dip Hatch SY/T 0511.8-2010 Oil Tank Appurtenances - Part 8: Steel Holes SY/T 0511.7-2010 Oil Tank Appurtenances - Part 7: Wax Scrappers with Weights SY/T 0511.6-2010 Oil Tank Appurtenances - Part 6: Primary Roof Drains SY/T 0511.5-2010 Oil Tank Appurtenances. Part 5: Secondary Seal SY/T 0511.4-2010 Oil Tank Appurtenances. Part 4: Foam-filled Primary Seal SY/T 0511.3-2010 Oil Tank Appurtenances. Part 3: Automatic Bleeder Vent SY/T 0511.2-2010 Oil Tank Appurtenances. Part 2: Hydraulic Safety Valve SY/T 0511.1-2010 Il Tank Appurtenances. Part 1: Breather Valve
Target Language:	English
File Format:	PDF
Word Count:	42500 words
Translation Price(USD):	1275.0
Delivery:	via email in 1~10 business day

SY/T 0511-2024 Tank appurtenances for vertical cylindrical welded steel tanks English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS E Professional standard of the People's Republic of China SY/T 0511-2024 Replaces SY/T 0511-2010 Tank appurtenances for vertical cylindrical welded steel tanks 立式圆筒形钢制焊接储罐附件 (English Translation) Issue date: 2024-12-25 Implementation date: 2025-06-25 Issued by National Development and Reform Commission, P.R.C Contents Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 General Principles 5 Design 5.1 Installation Principles 5.2 Materials 5.3 Tank Venting Design 5.4 Floating Roof Seal Design 5.5 Floating Roof Drain Design 5.6 Other Attachments 6 PV Valve 6.1 Structure 6.2 Specification, Model, and Set Pressure Grade 6.3 Materials 6.4 Technical Requirements 6.5 Manufacturing 6.6 Inspection and Testing 6.7 Marking 7 Open Vent 7.1 Structure 7.2 Materials 7.3 Technical Requirements 7.4 Manufacturing 7.5 Marking 8 Automatic Bleeder Vent 8.1 Structure and Specification 8.2 Materials 8.3 Technical Requirements 8.4 Marking 9 Gravity Emergency Relief Valve 9.1 Structure and Specification 9.2 Materials 9.3 Technical Requirements 9.4 Inspection and Testing 9.5 Marking 10 Primary Seal Device 10.1 Structure 10.2 Materials and Specifications 10.3 Technical Requirements 10.4 Marking 11 Secondary Seal Device 11.1 Structure 11.2 Materials and Specifications 11.3 Technical Requirements 11.4 Marking 12 Eliminated Oil&Gas Space Seal Device 12.1 Structure 12.2 Materials and Specifications 12.3 Technical Requirements 12.4 Marking 13 Floating Roof Drain Device 13.1 Structure 13.2 Materials 13.3 Technical Requirements 13.4 Inspection and Testing 13.5 Marking 14 Emergency Drain Device 14.1 Structure 14.2 Materials 14.3 Technical Requirements 14.4 Inspection and Testing 14.5 Marking 15 Weight-Type Wax Scraper Device 15.1 Structure 15.2 Materials 15.3 Technical Requirements 15.4 Manufacturing, Installation and Inspection 15.5 Marking 16 Water Hammer Prevention Heater 16.1 Structure 16.2 Technical Requirements 16.3 Installation 16.4 Marking 17 Gauging Hatch 17.1 Structure and Specification 17.2 Materials 17.3 Technical Requirements 17.4 Marking 18 Packaging and Transport Appendix A (Normative) Properties of Rubber Materials for Seals Appendix B (Normative) Properties of Foam Materials for Seals Appendix C (Normative) Simplified Calculation Method for Venting Capacity C.1 Scope of Application C.2 Calculation Method Appendix D (Normative) Test for Venting Devices D.1 General Provisions D.2 Test Apparatus D.3 Test Method D.4 Method for Determining Venting Capacity D.5 Pressure Test of Valve Body Appendix E (Informative) Calculation Example of Compression Force for Counterweight Force Mechanism E.1 Given Conditions E.2 Compression Force Calculation Attachments for Vertical Cylindrical Steel Welded Storage Tanks 1 Scope This document specifies the basic requirements for design, materials, construction, manufacturing, testing, and inspection of attachments for vertical cylindrical steel welded storage tanks, including PV valves, open vents, automatic bleeder vents, gravity emergency relief valves, primary seal devices, secondary seal devices, eliminated oil&gas space seal devices, floating roof drain devices, emergency drain devices, weight-type wax scraper heaters, water hammer prevention heaters, and gauging hatches. It also describes the corresponding inspection and test methods for these tank attachments. This document applies to attachments for storage tanks designed to store petroleum, petrochemical products, and other similar liquids, with a maximum design positive pressure not exceeding 18 kPa and a maximum design negative pressure not exceeding 6.9 kPa. This document does not apply to attachments for tanks storing refrigerated liquids. 2 Normative References The following documents contain provisions which, through normative reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 150.3 Pressure vessels — Part 3: Design GB/T 150.4 Pressure vessels — Part 4: Fabrication, inspection and testing, and acceptance GB/T 531.1 Rubber, vulcanized or thermoplastic — Determination of indentation hardness — Part 1: Durometer method (Shore hardness) GB/T 700 Carbon structural steels GB/T 713.2 Steel plates and strips for pressure equipments — Part 2: Non-alloy and alloy steels with specified temperature properties GB/T 713.3 Steel plates and strips for pressure equipments — Part 3: Low alloy steels with specified low temperature properties GB/T 713.7 Steel plates and strips for pressure equipments — Part 7: Stainless steels and heat resisting steels GB/T 1184 Geometrical tolerancing — Tolerances for features without individual tolerance indications GB/T 1222 Spring steels GB/T 1239.2 Technical specifications for cold coiled helical springs — Part 2: Compression springs GB/T 1591 High strength low alloy structural steels GB/T 1804 General tolerances — Tolerances for linear and angular dimensions without individual tolerance indications GB/T 3274 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3280 Cold rolled stainless steel plates and strips GB/T 3880 (all parts) Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering GB/T 4237 Hot rolled stainless steel plates, sheets and strips GB/T 5782 Hexagon head bolts GB/T 5783 Hexagon head bolts — Full thread GB/T 5908 Flame arresters GB/T 6170 Hexagon nuts, style 1 GB/T 6414 Castings — Dimensional tolerances and machining allowances GB/T 6479 Seamless steel tubes for high-pressure fertilizer equipment GB/T 7659 Steel castings for welded structure GB/T 7762 Rubber, vulcanized or thermoplastic — Resistance to ozone cracking — Static strain test GB/T 8163 Seamless steel tubes for liquid service GB/T 9124.1 Steel pipe flanges — Part 1: PN designated GB/T 9438 Aluminium alloy castings GB/T 9948 Seamless steel tubes for petroleum cracking GB/T 10802 Flexible polyurethane foam for general use GB/T 12459 Steel butt-welding seamless pipe fittings GB/T 13306 Nameplates GB/T 13384 General specifications for packaging of mechanical and electrical products GB/T 13401 Steel butt-welding pipe fittings — Technical specification GB/T 15114 Aluminium alloy die castings GB/T 28778 Pilot-operated safety valves GB/T 50128 Specification for construction of vertical cylindrical steel welded storage tanks GB/T 50341 Standard for design of vertical cylindrical steel welded storage tanks HG/T 2809 Rubber sealing strip for soft sealing device of floating roof tank HG/T 20592 Steel pipe flanges (PN designated) HG/T 20615 Steel pipe flanges (Class designated) NB/T 10558 Coating and transport packaging for pressure vessels NB/T 47008 Carbon steel and alloy steel forgings for pressure equipments NB/T 47009 Alloy steel forgings for low temperature pressure equipments NB/T 47010 Stainless steel and heat-resisting steel forgings for pressure equipments NB/T 47013.2 Nondestructive testing of pressure equipments — Part 2: Radiographic testing NB/T 47013.3 Nondestructive testing of pressure equipments — Part 3: Ultrasonic testing NB/T 47013.5 Nondestructive testing of pressure equipments — Part 5: Penetrant testing SY/T 5921 Specification for operation, maintenance and repair of vertical cylindrical steel welded oil tanks MH 5008 Design code for fueling system of civil transport airport QB/T 4876 Polytetrafluoroethylene skived film 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 PV valve A ventilation device used for overpressure relief and vacuum suction for storage tanks. 3.2 open vent A ventilation device used to balance the pressure inside and outside the storage tank. 3.3 automatic bleeder vent A ventilation device that can automatically close or open when the floating roof floats up or returns to its support state. 3.4 set pressure The preset pressure at which a PV valve or emergency relief valve begins to open under operating conditions. It is the gauge pressure measured at the valve inlet. 3.5 full open pressure The minimum gauge pressure at the valve inlet when a PV valve or emergency relief valve reaches full opening. 3.6 re-seating pressure The gauge pressure at the valve inlet when the disc and seat reseal after the relief of a mechanical PV valve. 3.7 rated venting capacity The maximum volumetric flow rate of gas, expressed in normal cubic meters, that a ventilation device can pass under design conditions. 3.8 normal cubic meters The volume of air or gas at a temperature of 0°C and a pressure of 101.3 kPa. 3.9 eliminated oil&gas space seal A sealing device installed between the primary seal device and the secondary seal device of an external floating roof tank, used to eliminate the oil and gas accumulation space.