Viega MegaPress Installation Manual
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Viega MegaPress Installation Manual

Stainless systems
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Summary of Contents for Viega MegaPress

  • Page 1 Installation Manual Viega MegaPress ® Stainless Systems...

  • Page 3: Table Of Contents

    Viega MegaPress Stainless Pipe Marking Guide _____ 18 2.7.4 Press Fittings __________________________________ 19 2.7.4.1 Viega MegaPress Stainless ½" to 2" Fittings _ 19 2.7.4.2 Viega MegaPress Stainless 2½" to 4" Fittings 19 2.7.4.3 FKM Sealing Element ____________________ 19 2.7.4.4 EPDM Sealing Element ___________________ 20 2.7.4.5 Fitting Markings _________________________ 20...
  • Page 4 Cutting the Pipe ______________________________________ 34 Deburring the Pipe ____________________________________ 35 Pressing the Fitting ____________________________________ 35 4.7.1 Viega MegaPress Stainless ½" to 2" Installation _____ 36 4.7.2 Viega MegaPress Stainless 2½" to 4" Installation ____ 39 Pressure Testing ______________________________________ 42 Disposal _____________________________________________ 42...
  • Page 5 Table of Contents List of Tables Table 1 Fluids and water approved for use with MegaPress 304 and 316 FKM systems _____________________________________ 9 Table 2 Fuel, oil, and lubricant approved for use with MegaPress 304 and 316 FKM systems __________________________________ 9...

  • Page 6: About This Document

    Viega technical literature please visit www.viega.us. MegaPress 304 FKM ½" to 2" formerly MegaPress Stainless 304 MegaPress 304 FKM 2½" to 4" formerly MegaPress Stainless 304 XL MegaPress 316 ½" to 2" formerly MegaPress Stainless 316 MegaPress 316 2½" to 4" formerly MegaPress Stainless 316 XL...

  • Page 7: Symbols Used

    States and Canada. These should serve as recommendations in the absence of corresponding national regulations. The information herein is not binding for other countries and regions; and as mentioned above, should be understood as a recommendation. IM-MP 591324 0120 MegaPress Stainless 7 of 45...

  • Page 8: Product Information

    Viega MegaPress 304 FKM fittings and valve ends are constructed of 304 stainless steel while MegaPress 316 and 316 FKM fittings and valve ends are constructed of 316L stainless steel. Both range from ½ inch to 4 inches.

  • Page 9: Megapress 304 Fkm And 316 Fkm

    Lube Oil Petroleum Based 200 psi Max 150˚F Mineral Oil 200 psi Ambient Table 2: Fuel, oil, and lubricant approved for use with MegaPress 304 and 316 FKM systems Type of Service Comments Pressure Temperature Compressed air Oil concentrate 200 psi Max 140˚F...

  • Page 10: Megapress 316

    Type of Service Comments Pressure Temperature Ethanol Pure Grain Alcohol 200 psi Ambient Table 5: Fuel, oil, and lubricant approved for use with MegaPress 316 systems Type of Service Comments Pressure Temperature Compressed air Oil concentrate 200 psi Max 140˚F <...

  • Page 11: Fire Protection Systems

    2.3.3 Fire Protection Systems MegaPress Stainless system components may be installed in NFPA 13, 13R, and 13D fire sprinkler systems. MegaPress 304 FKM and MegaPress 316 ½" to 2" fittings are certified for use in “wet” and “dry” fire protection systems in accordance with UL and FM certifications: ■...

  • Page 12: Standards And Regulations

    Performance of gasketed mechanical couplings for use in piping applications Table 9: Sealing Elements Standards 2.4.5 Standards: Pipe Hangers Standard Definition MSS SP 58 Pipe hangers and supports materials, design, and manufacturer Table 10: Mounting Standards 12 of 45 IM-MP 591324 0120 MegaPress Stainless...

  • Page 13: Standards: Pressure Testing

    Requirements concerning pipes and pressure vessels Table 11: Pressure Testing Standards 2.5 Listings and Certifications 2.5.1 MegaPress 304 FKM MegaPress 304 FKM fittings have the following listings and certifications: ■ ABS: American Bureau of Shipping Type Approval ■ ASME B31.1: Power Piping ■...

  • Page 14: Megapress 316 Fkm

    NSF/ANSI 61: Drinking Water System Components – Health Effects ■ NSF/ANSI 372: Drinking Water System Components – Lead Content 2.5.3 MegaPress 316 FKM MegaPress 316 FKM fittings have the following listings and certifications: ■ ABS: American Bureau of Shipping Type Approval ■...

  • Page 15: Codes And Standards

    It is the responsibility of the installer or any other parties to adhere to all applicable local rules and regulations governing the nature of the installation. 2.6.1 MegaPress 304 FKM MegaPress 304 FKM fittings comply with the following codes and standards: ■ ASME B31: Code for Pressure Piping ■...

  • Page 16: Product Description

    ½", ¾", 1", 1¼", 1½", 2", 2½", 3", 4". 2.7.2 Pipes Viega MegaPress Stainless ½" to 4" fittings are compatible with ASTM A312 stainless steel pipe, schedule 5 to schedule 40 for ½" to 2" fittings and schedule 10 to schedule 40 stainless steel pipe for 2½" to 4" fittings. Fittings are for use with both annealed and unannealed pipe.

  • Page 17: Schedule 10 Pipe

    0.133 3.38 1¼ 1.66 42.2 0.14 3.56 1½ 48.3 0.145 3.68 2.375 60.3 0.154 3.91 2½ 2.875 73.0 0.203 5.16 88.9 0.216 5.49 114.3 0.237 6.02 Table 14: Schedule 40 Pipe Sizing IM-MP 591324 0120 MegaPress Stainless 17 of 45...

  • Page 18: Viega Megapress Stainless Pipe Marking Guide

    Foam (AFFF) Table 15: Guide to the ASNI A13.1 standard for the identification of pipes All Viega MegaPress Stainless piping systems should be continuously marked in accordance with ANSI A13.1 or as required by the local authority having jurisdiction. Pipe O.D. Including Covering Minimum Length of...

  • Page 19: Press Fittings

    3 The sealing element ensures water-tight or air-tight connections. MegaPress Stainless 2½" to 4" fittings are designed to be pressed with MegaPress XL press rings and Z3 actuator to produce a non-detachable, secure connection.

  • Page 20: Epdm Sealing Element

    Product Information 2.7.4.4 EPDM Sealing Element Viega MegaPress 316 fittings are manufactured with a high-quality, shiny black EPDM (Ethylene Propylene Diene Monomer) sealing element installed at the factory. The molded sealing lips also seal pipe surfaces with slightly uneven surfaces. Sealing elements are inserted into the fitting using a H1 food grade lubricant registered with NSF and the USDA, and is approved for use under FDA 21 CFR.

  • Page 21: Viega Smart Connect Technology

    Viega MegaPress connections are fast, flameless, and reliable. 2.8 General Installation Requirements The Viega MegaPress Stainless fitting system must be installed while considering the following general industry requirements. 2.8.1 Required Tools The following tools are required for making a press connection: ■...

  • Page 22: Expansion

    2.8.3 Exposure to Freezing Temperatures Viega MegaPress 316 systems with EPDM sealing elements can be installed in ambient temperatures down to 0° F. Viega MegaPress 304 FKM and 316 FKM systems with FKM sealing elements can be installed in ambient temperatures down to 14°F.

  • Page 23: Electrical Bonding

    Always ensure bonding is in accordance with local codes. 2.8.7 Corrosion Protection Viega MegaPress Stainless fittings exposed to corrosive action, such as soil conditions or moisture, must be protected in an approved manner in accordance with NFPA 54 Section 404.8, NACE Standard RP0169-2002 Section 5, 2009 UPC Chapter 6 Section 609.3.1, 2009 UMC Chapter 13 Section 1312.1.3, or satisfying...

  • Page 24: Deflection

    2.8.8 Deflection The pressing process can cause deflection (angular misalignment) to occur. When pressing Viega MegaPress Stainless fittings in a system, the deformation of the fitting is constant. This allows for a consistent leak-free joint every time and is a result of the pressing technique.
  • Page 25 ■ As long as the pipe is properly prepped and marked and the fitting is installed according to Viega’s MegaPress Product Instructions, if there is any deflection present after the installation of the fitting, the connection is still acceptable and meets Viega’s manufacturing...

  • Page 26: Handling Instructions

    Handling Instructions 3 Handling Instructions All Viega MegaPress Stainless components and associated pipe shall be free from dirt, debris, or items that may interfere with the sealing element and the press connection. Viega MegaPress Stainless sealing elements, separator rings, and grip rings are to be visually inspected prior to installation to ensure the seal is intact and properly located within the fitting.

  • Page 27: Installation Instructions

    ■ Do not use fixed pipelines as a support for other pipelines and components. ■ Do not use pipe hooks. ■ Observe the expansion direction: plan fixed and gliding points. IM-MP 591324 0120 MegaPress Stainless 27 of 45...

  • Page 28: Transition Fittings

    The press connection is made second. This process avoids unnecessary torsion on the press fitting. 4.2.2.2 Flange Connections When using Viega flanges, bolt the flange end in place prior to pressing the fitting to the pipe. 28 of 45 IM-MP 591324 0120 MegaPress Stainless...

  • Page 29: Stop Couplings

    2¾ 2¾ 2½ 3⅛ 3⅛ 4⅜ Table 19: Insertion depths for MegaPress no-stop couplings 4.3 Space Requirements and Intervals Not enough space The connection may leak and/or ring/press gun may not fit around the fitting. ■ Adhere to minimum space requirements.

  • Page 30: Minimum Distance Between Fittings

    2½ Table 20: Minimum distance between press fittings 4.3.2 Minimum Space Requirements Ensure that the space required for Viega system pressing tools is available if press fittings will be executed immediately upstream and downstream from wall or ceiling penetrations. Pipe Size...

  • Page 31: Megapress Jaws Clearance Requirements

    (inches) (mm) (inches) (mm) (inches) (mm) ½ 1¼ 1⅞ ¾ 1½ 2⅛ 3½ 2½ Table 24: MegaPress standard jaws clearance requirements between pipe, wall, and floor Pipe Diameter minimum minimum minimum minimum minimum minimum (inches) (inches) (mm) (inches) (mm) (inches) (mm) ½...

  • Page 32: Megapress Rings Clearance Requirements

    (inches) (mm) 1¼ 3¾ 3¾ 4⅞ 1½ 5⅛ 5⅜ 2½ 4½ 5⅞ 4¾ 6¾ 4¾ 5⅜ 8¼ 5½ Table 28: MegaPress rings with V2/V3 actuator clearance requirements between pipe, wall, and floor 32 of 45 IM-MP 591324 0120 MegaPress Stainless...

  • Page 33: Pressing With Ring And Actuator In Tight Quarters

    Close the actuator ring tight around the fitting. ▶ Rotate the actuator ring until the press jaw receptacle is facing toward you. ▶ Properly insert the press jaw and begin the press fitting procedure. IM-MP 591324 0120 MegaPress Stainless 33 of 45...

  • Page 34: Welding

    If welding in line with the connection, weld a minimum of three feet away from the connection to protect the sealing element. 4.4.3 Welding Requirements The installer should take precautions to keep the MegaPress connection cool: ■ Wrap the connection with a cold wet rag. ■...

  • Page 35: Deburring The Pipe

    4.7 Pressing the Fitting WARNING! Read and understand all instructions for install- ing Viega MegaPress Stainless fittings. Failure to follow all instructions may result in extensive property damage, serious injury, or death. IM-MP 591324 0120 MegaPress Stainless...

  • Page 36: Viega Megapress Stainless ½" To 2" Installation

    Be sure to mark the correct insertion depth on the pipe before pressing the fitting. Pipe Diameter (inches) Insertion Depth (inches) Insertion Depth (mm) ½ ¾ 1⅜ 1¼ 1½ 1⅞ Table 29: Minimum insertion depths MegaPress Stainless ½" to 2" 36 of 45 IM-MP 591324 0120 MegaPress Stainless...
  • Page 37 Do not use ProPress press jaws or rings. ■ Do not mix actuators and rings from different manufacturers. ▶ For ½" to 1" fitting connections, open the MegaPress jaw and place at right angles on the fitting. ▶ Visually check insertion depth using mark on piping.
  • Page 38 Keep extremities and foreign objects away from press tool during pressing operation to prevent injury or incomplete press. ▶ For 1¼" to 2" fitting connections, open MegaPress ring and place at right angles on the fitting. MegaPress ring must be engaged on the fitting bead.

  • Page 39: Viega Megapress Stainless 2½" To 4" Installation

    Use only rings that are compatible with MegaPress Stainless 2½" to 4" fittings. ■ Viega MegaPress Stainless 2½" to 4" fitting connections must be made using MegaPress XL rings and a PressBooster/Z3 actuator. ■ See RIDGID Operator’s Manual for proper tool instructions.

  • Page 40: Table 30 Minimum Insertion Depths Megapress Stainless 2½" To 4

    While turning slightly, slide fitting onto the pipe to marked insertion depth. Note: End of pipe must contact stop. ▶ Open the MegaPress ring and place at right angles on the fitting. ▶ MegaPress ring must be engaged on the fitting bead. ▶...
  • Page 41 Place PressBooster/Z3 actuator onto MegaPress XL rings and start pressing process. ▶ Hold the trigger until the actuator has engaged the MegaPress ring. WARNING! Keep extremities and foreign objects away from press tool during pressing operation to prevent injury or incomplete press.

  • Page 42: Pressure Testing

    If the initial test is successful, system may be pressure tested as required up to 200 psi. Viega recommends air testing of gas systems at a minimum of ½ psi. 4.9 Disposal Separate the product and packaging materials (e.g. paper, metal, plastic, non-ferrous metals) and dispose in accordance with all national, state, and regional requirements.

  • Page 43: Limited Warranty

    Limited Warranty only applies to manufacturing defects in the Viega Product. In the event of a leak or other failure in the Viega product covered by this warranty, it is the responsibility of the end user to take appropriate measures to diminish any damage, to include making timely repairs.
  • Page 44 Limited Warranty In the event that Viega determines that the failure or leak was the result of a manufacturing defect in the Viega Product covered by this warranty and to which this warranty applies, the EXCLUSIVE AND ONLY REMEDY under this warranty shall be the reimbursement for reasonable charges for repair or replacement of the Viega Product itself.
  • Page 45 Viega GmbH & © ® ® ® ® Co. KG. Viega: Connected in quality is a trademark of Viega Holding GmbH & Co. KG. RIDGID is a ® ® 585 Interlocken Blvd. registered trademark of RIDGID, Inc. Broomfield, CO 80021 Phone (800) 976-9819 www.viega.us...

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