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Engineering & Piping Design Guide

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Engineering & Piping Design Guide Engineering & Piping Design Guide Fiberglass Reinforced Piping Systems www.fgspipe.com INTRODUCTION NOV Fiber Glass Systems’ fiberglass reinforced epoxy and PIPING SYSTEMS vinyl ester resin piping systems possess excellent corrosion Epoxy Resin Systems: resistance and a combination of mechanical and physical · Z-Core® (High Performance Resin) properties that offer many advantages over traditional piping · Centricast Plus® RB-2530 systems. We are recognized worldwide as a leading supplier · Centricast ® RB-1520 of piping systems for a wide range of chemical and industrial · Green Thread® applications. · Marine-Offshore This manual is provided as a reference resource for some · Green Thread 175 of the specific properties of our piping systems. It is not in- · Green Thread 175 Conductive tended to be a substitute for sound engineering practices as · Green Thread 250 normally employed by professional design engineers. · Green Thread 250 Conductive · Green Thread 250 Fire Resistant NOV Fiber Glass Systems has an international network of · Red Thread® II distributors and trained field personnel to advise on proper · Red Thread II JP installation techniques. It is recommended they be consulted ® · Silver Streak (FGD Piping) for assistance when installing the piping system. This not ® · Ceram Core (Ceramic-lined Piping) only enhances the integrity of the piping system, but also in- ® · F-Chem (Custom Piping) creases the efficiency and economy of the installation. · HIGH PRESSURE Line Pipe and Additional information regarding installation techniques is Downhole Tubing* provided in the following installation manuals: Manual No. F6000 Pipe Installation Handbook Vinyl Ester Systems: for Tapered Bell & Spigot Joints · Centricast Plus CL-2030 · Centricast CL-1520 Manual No. F6080 Pipe Installation Handbook · F-Chem (Custom Piping) for Straight Socket Joints and Butt & Wrap Joints Manual No. F6300 Pipe Installation Handbook * Available from NOV Fiber Glass Systems, for Marine-Offshore Piping San Antonio, Texas Phone: (210) 434-5043 · FAX: (210) 434-7543 Web site: http://www.fgspipe.com GENERAL POLICY STATEMENT National Oilwell Varco has produced this brochure for general information only, and it is not intended for design purposes. Although every effort has been made to maintain the accuracy and reliability of its contents, National Oilwell Varco in no way NOV Fiber Glass Systems has developed a computer pro- assumes responsibility for liability for any loss, damage or injury resulting from the use gram specifically for our fiberglass products. This software of information and data herein nor is any warranty expressed or implied. Always cross- program called Success By Design is available on our reference the bulletin date with the most current version listed at the web site noted in web site at http://www.fgspipe.com. this literature. SAFETY This safety alert symbol indicates an important safety message. When you see this symbol, be alert to the possibility of personal injury. ii TABLE OF CONTENTS Introduction ....................................................................... ii SECTION 5 — Other Considerations ......................21 Piping System Selection and Applications ..................1 A. Abrasive Fluids ...........................................................21 B. Low Temperature Applications ...................................21 SECTION 1 — Flow Properties ..................................2 C. Pipe Passing Through Walls or Preliminary Pipe Sizing.......................................................2 Concrete Structures ....................................................21 Detailed Pipe Sizing D. Pipe Bending ..............................................................21 A. Liquid Flow ..............................................................2 E. Static Electricity ..........................................................22 B. Loss in Pipe Fittings ................................................4 F. Steam Cleaning ..........................................................22 C. Open Channel Flow ................................................5 G. Thrust Blocks ..............................................................22 D. Gas Flow .................................................................5 H. Vacuum Service ..........................................................22 I. Valves ........................................................................22 SECTION 2 — Above Ground System Design Using J. Vibration ......................................................................23 Supports, Anchors & Guides ......................................7 K. Fluid (Water) Hammer ................................................23 Piping Support Design L. Ultraviolet (U.V.) Radiation and Weathering ...............23 A. Support Design .......................................................7 M. Fungal, Bacterial, and Rodent Resistance .................23 B. Guide Design ..........................................................8 C. Anchor Design ........................................................9 SECTION 6 — Specifications D. Piping Support Span Design .................................11 and Approvals ..............................................................24 A. Compliance with National Specifications ....................24 SECTION 3 — Temperature Effects .........................12 B. Approvals, Listings, and Compliance System Design .................................................................12 with Regulations .........................................................24 Thermal Properties and Characteristics ...........................12 Fundamental Thermal Analysis Formulas APPENDICES A. Thermal Expansion and Contraction .....................13 Appendix A Useful Formulas .........................................27 B. Anchor Restraint Load ..........................................13 Appendix B Conversions................................................30 C. Guide Spacing ......................................................13 Flexibility Analysis and Design A. Directional Change Design ...................................13 LIST OF TABLES B. Expansion Loop Design ........................................14 Table 1.0 Typical Applications ..........................................1 C. Expansion Joint Design ........................................14 Table 1.1 Flow Resistance K Values for Fittings ...............4 D. Heat Tracing .........................................................15 Table 1.2 Typical Liquid Properties ...................................4 E. Thermal Conductivity ............................................16 Table 1.3 Typical Gas Properties ......................................6 F. Thermal Expansion in Buried Pipe ........................16 Table 2.0 Minimum Support Width ....................................7 G. Pipe Torque due to Thermal Expansion ...............16 Table 2.1 Saddle Length ...................................................8 Table 4.0 Recommended Bedding and Backfill ..............18 SECTION 4 — Pipe Burial ..........................................17 Table 4.1 Nominal Trench Widths ...................................18 Pipe Flexibility...................................................................17 Table 6.0 ASTM D2310 Classification ............................24 Burial Analysis Table 6.1 Classifying Fiberglass Flanges A. Soil Types .............................................................17 to ASTM D4024 ...............................................25 B. Soil Modulus ........................................................18 Table 6.2 Classifying Fiberglass Pipe Trench Excavation and Preparation Using ASTM D2310 and A. Trench Size ...........................................................18 Specifying Pipe Using ASTM D2996 B. Trench Construction ..............................................18 and D2997 ............................................................26 C. Maximum Burial Depth ..........................................19 D. Roadway Crossing ...............................................19 Bedding and Backfill A. Trench Bottom ......................................................20 B. Backfill Materials ...................................................20 C. Backfill Cover ........................................................20 D. High Water Table ..................................................20 iii PIPING SYSTEM SELECTION AND APPLICATIONS PIPING SYSTEM SELECTION TYPICAL APPLICATIONS When selecting a piping system for a particular application, Fiberglass piping is used in most industries requiring cor- it is important to consider the corrosive characteristics of rosion resistant pipe. FRP piping is used in vent and liq- the media to which the pipe and fittings will be exposed, the uid applications that operate from -70°F to 300°F (-57°C to normal and potential upset temperatures and pressures of 149°C). NOV Fiber Glass Systems piping systems use high the system, as well as other environmental factors associ- grade resins that are resistant to acids, caustics or solvents. ated with the project. Fiberglass reinforced plastic (FRP) Abrasion resistant materials can be used in the piping inner piping systems provide excellent corrosion resistance, com- surface liner to enhance wear resistance to slurries. Table bined with high temperature and pressure capabilities, all 1.0 is a brief list of the many applications and industries at a relatively low installed cost. NOV Fiber Glass Systems where fiberglass piping has been
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