ZURN PEX Installation Manual
Residential fire protection systems
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- Installation manual (40 pages) ,
- Installation instructions manual (12 pages)
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Summary of Contents for ZURN PEX
- Page 1 ® Residential Fire Protection Systems Installation Guide...
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Page 2: Table Of Contents
Making The Connection With The Large Crimp Tool ....10-11 Using The Zurn Go/No-Go Gauge ........ -
Page 3: Section I
Zurn PEX Fire Protection Systems are intended to be used in product combinations tested by NSF International to UL 1821. To our knowledge, Zurn PEX products have only been tested with other Zurn PEX products and are not intended to be used with any other manufacturer’s products. -
Page 4: Standards, Ratings, And Certifications
Gridded This system is set up as a grid and is the preferred system type of Zurn PEX because it is the simplest design and provides some of the best hydraulic characteristics. A sprinkler is supplied with water from both sides, while other branch lines help transfer water. -
Page 5: Section Ii
Product Descriptions Sprinklers Only sprinklers listed in accordance with NSF 61 can be used in Zurn PEX multi- purpose systems. In addition, the sprinkler must meet the requirements of NFPA 13D, specifically UL 1626 – Residential Sprinklers for Fire Protection Service. -
Page 6: Zurn Pex Cr
Zurn Pex Fire Protection Systems Installation Guide Zurn PEX Tubing Installation Precautions • Zurn PEX tubing should not be exposed to or stored in direct UV light. When possible, protect the tubing with an opaque covering. • Zurn PEX tubing should not be exposed to a direct flame. Braze, solder, or weld and allow to cool prior to connecting Zurn PEX to metal pipe. -
Page 7: Zurn Pex Xl
• Zurn PEX XL fittings should not be used in reverse osmosis systems. • Zurn PEX XL fittings should not be used in areas with known localized aggressive water chemistries. Section III... -
Page 8: Making The Connection With The Medium Qickclamp Tool
Zurn Pex Fire Protection Systems Installation Guide Making The Connection With The Medium QickClamp Tool ™ Important: Using this tool for anything other than its intended purpose voids the warranty. 1) Measure and cut the tube. Be sure you have a square, burr-free cut. -
Page 9: Adjusting The Medium Qickclamp ™ Crimp Tool
Crimp Tool ™ The Zurn Medium QickClamp Crimp Tool is factory set to provide proper crimps. This should be checked before use by making a test crimp connection and checking it with the QickClamp Go Gauge. As long as the finished crimp connection gauges properly, there is no need to adjust the tool. -
Page 10: Copper Crimp Ring System
NSF Standard 14 Making The Connection With The Medium Crimp Tool Note: Use the crimp tool only to install PEX tube/fitting systems meeting ASTM F1807 for brass or copper insert fittings and F2159 for plastic insert fittings. Important: Always refer to the tube manufacturer’s product assembly instructions when using the crimp tool. -
Page 11: Making The Connection With The Large Crimp Tool
5) Pull back on moving handle to release jaws from crimped ring. 6) Measure the crimped ring with Zurn “Go/No-Go” gauge. See table below. Do not measure bumps on ring where jaws met. If “Go” on gauge does not fit, or if “No-Go”... - Page 12 5) Open the tool handles to release jaws from the crimped fitting. 6) Measure the crimped ring with Zurn “Go/No-Go” gauge. See table below. Do not measure bumps on ring where jaws met. If “Go” on gauge does not fit, or if “No-Go” does fit, then cut out connection, replace fitting and ring, adjust and calibrate the tool, and recrimp.
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Page 13: Using The Zurn Go/No-Go Gauge
Zurn Pex Fire Protection Systems Installation Guide Crimp Systems , continued Using The Zurn Go/No-Go Gauge After making a crimp connection, use the appropriate opening of this flat “Go/No-Go” Gauge to check your finished crimp. The “Go” opening should go freely across a crimped ring... -
Page 14: Adjusting The Medium Crimp Tool
, continued Adjusting The Medium Crimp Tool Note: Zurn Crimp Tools are factory set to provide proper crimps. This should be checked before use by making a test crimp connection and checking it with the crimp gauge. As long as the finished crimp connection gauges properly, there is no need to adjust the tool. -
Page 15: Adjusting The Large Crimp Tool
, continued Adjusting The Large Crimp Tool Zurn Crimp Tools are factory set to provide proper crimps. This should be checked before use by making a test crimp connection and checking it with the crimp gauge. As long as the finished crimp connection gauges properly, there is no need to adjust the tool. -
Page 16: Section Iv
• Do not use supports that have sharp edges which could damage the tubing. Tube supports should allow free tubing movement. • Do not install Zurn PEX within 6 inches of any gas appliance single wall vent. The exception is when double walled B-vent is used, which has a minimum clearance of 1 inch. -
Page 17: Uncoiling Zurn Pex Tubing
Zurn Pex Fire Protection Systems Installation Guide Uncoiling Zurn PEX Tubing For ease of installation Zurn recommends using the Zurn PEX dual coil uncoiler, QDISP; the Zurn PEX pipe dispenser, QHD; or the Zurn PEX portable uncoiler. Zurn PEX straps and hangers... -
Page 18: Supporting Zurn Pex Distribution Lines
Zurn Pex Fire Protection Systems Installation Guide Supporting Zurn PEX Distribution Lines Note: Zurn PEX should be supported or strapped every 32" when hung from floor joists or running across rafters. When supporting tube bundles, use a strap to support the entire bundle. - Page 19 6 inches between Zurn PEX and any gas appliance vent. The use of zip ties to attach Zurn PEX to DWV piping is acceptable so long as the ties leave enough room for free movement of the tubing.
- Page 20 PEX tubing, we cannot guarantee all foams are the same. Nailing Plates Nailing plates should be used when Zurn PEX tubing is passing through a stud within 2" of a nailing surface. Using a nailing plate minimizes the possibility of damage to the tube from nails or drywall screws.
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Page 21: Section V
Section V Sprinkler Adapter Fittings Zurn PEX offers sprinkler adapter fittings for the installation of its multipurpose fire protection systems. All adapter fittings are designed for side mounting onto a ceiling or wall joist. The choice of adapter fitting, sprinkler, and placement shall be in accor- dance with the approved system design and NFPA 13D requirements. -
Page 22: Testing
1. With the water turned off and drained, carefully unscrew the most hydraulically remote sprinkler head(s) using the appropriate sprinkler head tool. 2. Install Zurn PEX flow test kit by threading 1/2" male adapter fitting(s) into sprinkler adapter fitting using thread seal tape to make a water tight connection. -
Page 23: Appendix
Zurn Pex Fire Protection Systems Installation Guide Appendix Table 1 Pressure Drop for Zurn PEX Tube - psi/foot 1" 1.25" 1.5" 2" Pressure Velocity Pressure Velocity Pressure Velocity Pressure Velocity Drop (ft/sec) Drop (ft/sec) Drop (ft/sec) Drop (ft/sec) 0.017 0.006 0.003... - Page 24 *FST - Fire Sprinkler Tee How Fitting Equivalent Length Is Calculated Zurn PEX fire protection fittings are flow tested according to the requirements laid out in UL 1821 and ANSI/ISA-S75.02 - 1996. Fitting and tube samples were subjected to five different flow velocities between 10 and 18 ft/second. The measured pressure loss across each fitting was divided by the pressure loss of 1 foot of tube tested at the same flow velocity to calculate the equivalent length.
- Page 25 Zurn Pex Fire Protection Systems Installation Guide Notes www.zurnpex.com 1-888-872-7277...
- Page 26 Zurn Pex Fire Protection Systems Installation Guide Notes www.zurnpex.com 1-888-872-7277...
- Page 27 Zurn Pex, Inc. Highway 11 East Commerce, TX, U.S.A. 75428 Phone: 903/886-2580 Fax: 903/886-2583 www.zurnpex.com In Canada: Zurn Industries Limited 3544 Nashua Drive Mississauga, Ontario, Canada L4V 1L2 Phone: 905/405-8272 Fax: 905/405-1292 Form No. ZPM09228, 10/10...
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