Viega PureFlow Installation Manual
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Summary of Contents for Viega PureFlow
- Page 1 PureFlow ® Water Systems Installation Manual June 2009...
- Page 2 ViegaPEX is a trademark of Viega LLC Warranty. Nothing in this publication linked polyethylene products. FostaPEX is a registered trademark of Viega GmbH & Co. KG is intended to create any warranty Copyright April 2009 Viega LLC, All rights reserved.
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Page 3: Table Of Contents
7.1 Brass PEX Crimp ........17 1.2 PureFlow System Concepts....... 6 7.1.1 Brass PEX Crimp Fittings, Manifolds and Crimp Rings . - Page 4 PureFlow Warranty ........
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Page 5: Introduction
PEX plumbing includes snow and ice detection products in the U.S. Viega has become Viega has a history in North America of controls, heat exchangers and snow the industry leader for PEX plumbing. technological innovation and customer melting systems. -
Page 6: Pureflow System Concepts
It is able to withstand high versatility. More than 655 million levels of thermal and mechanical feet of Viega PEX Tubing has been • Viega PureFlow press tools and stress (200°F at 80 psi, 180°F at 100 manufactured since 2006. This jaws for the PEX Press fitting psi, 73.4°F at 160 psi). -
Page 7: Green Building
This system of ViegaPEX tubing and the simplicity and Environmental Design) was provides the lowest pressure losses, of the PureFlow fi tting systems. established by the U.S. Green as well as eliminates interference Viega tubing is color coded to make Building Council (USGBC) as a between fi xtures. -
Page 8: Branch And Main Systems
This causes a drop in pressure (and potentially a temperature change) in your shower when a toilet is flushed. Branch Installation Viega IM-PF 0609 520709... -
Page 9: Combination Systems
A hot water circulation system can be incorporated into most plumbing systems and works by constantly (or periodically throughout the day on a timer) circulating hot water through the main hot supply line of your plumbing system. Viega IM-PF 0609 520709... -
Page 10: Viegapex Tubing
3. VIEGAPEX TUBING 3.1 General Flexibility: • ViegaPEX can be easily bent by hand, or with the use of Viega ViegaPEX PureFlow tubing is a high- approved bend supports to a radius density cross-linked polyethylene as small as 5 times tubing tubing (PEX). -
Page 11: Viegapex Ultra Tubing
4.1 General Flexibility: • ViegaPEX Ultra can be easily bent ViegaPEX Ultra tubing is a high- by hand, or with use of Viega density cross-linked polyethylene approved bend supports to a radius tubing (PEX). Cross-linking produces as small as 5 times tubing a strong, durable tubing ideal for both outer diameter. -
Page 12: Fostapex Tubing
Using the prep tool to remove the outer layers allows the Length Marker 000 Feet use of the standard PureFlow PEX Company Viega Press fi tting system, which reduces Product Name FostaPEX™... -
Page 13: Pureflow Pex Press Fittings
Attached Sleeve Fittings, Manifolds Markings and Sleeves PureFlow Bronze PEX Press fi ttings are Each PureFlow Bronze PEX Press cast and machined from a solid bronze PureFlow Bronze PEX Press fi ttings are fi tting is marked where space permits... -
Page 14: Pex Press Connection With Attached Sleeve
PureFlow power tools. These Three view holes in the sleeve aid of a PureFlow PEX Press tool. tools are designed to make the same allow installers to check for proper The hand tool incorporates a forced consistent press as the PureFlow tubing insertion. -
Page 15: Making A Pureflow Pex Press Hand Tool Connection (Attached Sleeves)
6.2.4 Making a PureFlow PEX Press Hand Tool Connection (Attached Sleeves) 3. Insert PEX Press fi tting with 2. If using FostaPEX tubing, insert 1. Square off tubing to proper into prep tool, push and turn attached sleeve into tubing and length. -
Page 16: Making A Pureflow Pex Press Power Tool Connection (Attached Sleeves)
6.2.5 Making a PureFlow PEX Press Power Tool Connection (Attached Sleeves) 1. Square off tubing to proper 2. If using FostaPEX tubing, insert 3. Insert PEX Press fi tting with length. Uneven, jagged or into prep tool, push and turn... -
Page 17: Pureflow Pex Crimp Fittings
7.1 Brass PEX Crimp 7.1.1 Brass PEX Crimp 7.1.2 Brass PEX Crimp Fitting Fittings, Manifolds Markings PureFlow Brass PEX Crimp fi ttings and Crimp Rings are machined from a brass alloy. Each PureFlow Brass PEX Crimp The following design criteria make... -
Page 18: Polyalloy Pex Crimp
Fitting Markings PureFlow PolyAlloy PEX Crimp ® fi ttings are molded from Acudel PureFlow PolyAlloy PEX Crimp fi ttings Each PureFlow PolyAlloy PEX Crimp The following design criteria make are produced for many connections fi tting is marked where space permits PureFlow PolyAlloy PEX Crimp necessary in a potable water system. -
Page 19: Pex Crimp Connections
–30°F. Crimp Hand Tool The PureFlow PEX Crimp connection must always be carried out with the aid of a PureFlow PEX Crimp tool. There are multiple configurations of PureFlow PEX Crimp tools perfect for tight spaces and awkward locations. Cross-section of a completed... -
Page 20: Making A Pureflow Pex Crimp Connection
7.3.3 Making a PureFlow PEX Crimp Connection 1. Square off tubing to 2. Slide the correct size crimp ring 3. Insert the fitting into the pipe proper length. Uneven, jagged over end of the tubing. to the shoulder or tube stop. -
Page 21: The Manabloc
8.1 The MANABLOC 8.1.1 MANABLOC PEX 8.1.2 MANABLOC Markings Connections The MANABLOC control unit Each PureFlow MANABLOC is is molded from PLS (Polysulfone) Connections for the individual PEX marked where space permits with the plastic and tested to the distribution lines are a mechanical-... -
Page 22: System Sizing And Calculations
9. SYSTEM SIzING AND CALCULATIONS 9.1 System Sizing and PureFlow PEX Press and Pex Crimp Fittings Calculations Friction Loss - Equivalent Feet of SDR9 PEX Tubing PureFlow systems should be designed following standard Size Coupling Elbow Tee Run Tee Branch plumbing engineering practice. - Page 23 0.053 0.138 0.062 0.159 0.071 0.180 0.080 0.203 0.091 0.101 0.113 0.125 0.137 = 8 fps per size tubing NOTE: Maximum flow for each size based on 12 FPS velocity. PSI x 2.307 = head loss. Viega IM-PF 0609 520709...
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Page 24: Installing The Pureflow Pex Tubing System
10. INSTALLING THE PUREFLOW PEX TUBING SYSTEM 10.1 Handling 10.2 Uncoiling PureFlow Tubing PureFlow Tubing The properties of PureFlow tubing An uncoiler should be used to make it very easy to work with and prevent twisting when removing install in most types of construction. -
Page 25: Installation Temperature Range
10.4 Installation Temperature Range " approx 2 The flexibility of PureFlow tubing and the strength of the PureFlow PEX connections combine to provide a system that can be installed during any weather. The positive compression ° ~290 provided by the PureFlow PEX Press hand tools allow installation in temperatures down to -4°F (23°F for... -
Page 26: Tubing Expansion
PEX tubing. Tubing failure or damage can result. 10.9 Freezing Heat (DO NOT USE A TORCH) must be applied The flexibility of PureFlow tubing directly to the frozen tubing section. Temperature makes it resistant to damage from on tubing shall not exceed 180°F. -
Page 27: Water Heaters
3" to thermal insulation. If room does not allow for the minimum clearance spacing specifi ed by Viega, then the PEX tubing must be insulated with a suitable pipe insulation capable of withstanding the specifi c maximum temperatures generated by the fi xture. -
Page 28: Noise And Water Hammer In Pex Systems
Fortunately, there 10.16 Pressure Testing are solutions to minimize or eliminate water hammer noise. All PureFlow systems must be pressure tested in accordance • Install fixtures that are not water with local code after installation, hammer prone. As a general rule,... -
Page 29: Fastening The Pureflow System
11. FASTENING THE PUREFLOW SYSTEM 11.1 Wood Frame 11.2 Supporting ViegaPEX tubing must be fastened at 32" intervals in horizontal runs (see Construction PureFlow Tubing below), and 32-48" for FostaPEX. In risers or vertical runs, ViegaPEX ViegaPEX and FostaPEX tubing Use only plastic tubing supports. -
Page 30: Steel Construction
11.3 Steel Construction Suspension clip The PureFlow system works as fasteners used to well in steel frame construction as protect tubing from abrasion when it does in wood. Where tubing runs passing through through metal studs, suspension clip steel studs... -
Page 31: Below Grade And Service Line
0.16 inches per 100 feet for every concrete. Do not use oil-based caulks 10°F temperature change. or sealants in contact with PureFlow 11.7 Foundation Penetration tubing. Where service lines penetrate 11.8 Direct Burial of PureFlow... -
Page 32: Protecting Pex Tubing
PEX during construction is from staples, nails, screws or other sharp fasteners. Informing the other trades of the presence of the lines may help prevent damage. PEX tubing should always be shielded from direct and indirect sunlight Viega IM-PF 0609 520709... -
Page 33: Installing Manifolds And Fittings
PureFlow PEX Crimp Brazed together on the job site to create as fittings in walls and ceilings. Viega Copper Manifolds are available for many outlets as needed. In addition, offers several different manifolds... -
Page 34: Stub Out Options
These supports allow the tubing to make the tight bend necessary to exit the wall at a The PureFlow system includes fittings Fittings are available to adapt 90-degree angle, as well as providing to accommodate most plumbing PureFlow tubing to both copper a flange for securing the support. -
Page 35: Threaded Connections
Compression stop valves provide a compression fit over ViegaPEX tubing and a connection to a 3/8" The PureFlow system also provides a In-line ball valves are available for use O.D. riser. Use of included insert number of fittings to adapt ViegaPEX with PureFlow tubing. - Page 36 ViegaPEX. Well-anchored 43600 61000 dropear fittings or metal 61020 43620 pipe shall be used to install hose bibbs. Tighten fixture nut hand tight plus an additional 1/4 turn. Check all connections for leaks. DO NOT OVERTIGHTEN. Viega IM-PF 0609 520709...
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Page 37: Pureflow Manabloc System Design And Sizing
13. PUREFLOW MANABLOC SYSTEM DESIGN AND SIzING 13.1 General Hose Bibb Note: If a hose bibb is The 2006 International Plumbing Code® primarily for irrigation purposes, it (IPC) and the 2006 Uniform Plumbing The general sizing information should be supplied from the main Code™... -
Page 38: Installing The Manabloc
Use the same precautions outlined in section 10 of this guide for proper Additional package contents include: 1. Under no circumstances shall handling of the PureFlow tubing • Valve T-Handle the MANABLOC be located in when installing the MANABLOC. • Instruction Packet — to be left at... -
Page 39: Valve Operation
MANABLOC may be water heater supplied from a recirculating hot water loop with ViegaPEX CL-R listed PEX tubing. 36" minimum connecting tube vertically to water Cold Supply Water Heater Check Circ Pump Valve Hot Return Viega IM-PF 0609 520709... -
Page 40: Domestic Hot Water Circulation Systems
14.5 Domestic Hot Water 1 4.7 ViegaPEX General Note: these valves are fi eld-repairable. Contact Viega Circulation Systems Design/Installation Customer Service for more Practices information on this procedure. ViegaPEX and the MANABLOC can be used in continuously The following are general guidelines... - Page 41 TO THIS MANABLOC for any length of time. Short exposure times, of ViegaPEX, FostaPEX and PolyAlloy PureFlow MANABLOC must be protected from UV exposure fi ttings, not exceeding and petroleum products the total accumulated which can damage them. In the event...
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Page 42: Mounting The Manabloc
* Optional or may not be required for Mark the centers of the top and bottom disabled persons may require that MANABLOC ports (A, B) some installations the MANABLOC be mounted lower in the wall to provide access. Viega IM-PF 0609 520709... -
Page 43: Mounting The Manabloc Between Studs Without Use Of 45716 Straps
BETWEEN two studs. end of Drill Guide with the center and tees are allowed in the main line of the port. (B). Tap the nail water supply lines. into the stud to hold the Drill Guide in place. Viega IM-PF 0609 520709... -
Page 44: Mounting The Manabloc Without Studs, Surface Mount
1/2" - 3/4" drywall screws the weight of the MANABLOC filled (DO NOT OVERTIGHTEN). with water. The base should be square and level. 5. Continue to section 15.1 step 5 to finish installation. Viega IM-PF 0609 520709... - Page 45 7. When attaching the distribution line tubing to the 2 x 4 supports, be sure to use appropriately sized Viega tubing clamps (For example, use stock code 52 000 for 3/8" tubing and stock code 52 020 for 1/2" tubing).
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Page 46: Installing Manabloc Distribution Lines
For a neat in fl oor joists, etc. Several tubes Distribution Lines appearance, tie bundles with may be pulled at one time. Viega’s nylon ties (Stock Code 43714 to the MANABLOC color-coded ViegaPEX tubing helps or 43701 or plastic strapping at prevent cross-connections. -
Page 47: Compression Connections (3/8" & 1/2" Ports)
2. Push the tubing into the port socket which fi xture that line supplies. (E) until it bottoms out. Fixture labels are included with each MANABLOC. Affi x the appropriate label to the cover plate next to the port. Viega IM-PF 0609 520709... -
Page 48: Pex Crimp Connection (1/2" Ports)
16.2.3 PEX Crimp Connection (1/2" ports) THE WATER SUPPLY TO THE MANABLOC AND THE PORT VALVES SHALL BE TURNED OFF BEFORE ATTEMPTING INSTALLATION OF PEX CRIMP ADAPTERS. See section 7 of this guide for crimping instructions. Viega IM-PF 0609 520709... -
Page 49: Connecting Distribution Lines To Fixtures
Refer to section 12.6 Tefl on ® TAPE to seal pipe threads. though 12.9 of this guide or the Viega DO NOT use pipe dopes, thread product catalog. sealers, Tefl on ®... -
Page 50: Filling And Testing The Manabloc
Tighten and reconnect the supply and the supply connections according distribution line connections. to the instructions in section 16.4. All PureFlow systems must be When reconnecting the distribution NOTE: When reconnecting pressure tested in accordance lines, DO NOT overtighten the... -
Page 51: Pressure Testing Pureflow Systems
17. PRESSURE TESTING PUREFLOW SYSTEMS 17.1 General Upon completion of the installation the system shall be fi lled and pressure tested. When hydrostatic testing, use only POTABLE water. NOTE: During the initial pressure test period, the system pressure indicated on the gauge may decrease due to the initial deformation of the pipe, followed by a slow expansion. -
Page 52: Leak Detection
“OFF” position, repressurized if needed, and apply the same solution to the MANABLOC manifold components. Any connections found to be in question must be replaced or remade and the pressure test repeated. Viega IM-PF 0609 520709... -
Page 53: System Disinfection
FAILURE TO FLUSH THE SYSTEM NOTICE! To prevent reduced service life of system components, disinfection solutions shall not be allowed to stand in the system longer than 24 hours. Thoroughly flush the system with potable water after disinfection. Viega IM-PF 0609 520709... -
Page 54: Codes, Standards And Approvals
19.3 Listings and 19.1 Codes NSF International Certifications ANSI/NSF 14: Plastics Piping System PureFlow is accepted by the following Components and Related Materials- model codes for use in potable hot and PPI - Plastic Pipe Institute This standard establishes minimum cold water distribution systems. -
Page 55: Pureflow Warranty
Power tools and jaws used with PEX Press fittings are warranted by the manufacturer and Viega extends no separate warranty on those tools or jaws. Viega warrants that PEX Press hand tools sold by Viega, under normal conditions of use, shall be free from failure caused by manufacturing defects for a period of two (2) years from date of sale. - Page 56 Professional products, service and training for professional contractors Rely on Viega for the most complete line of high-tech/ high-quality plumbing, heating and snow melting systems available today… plus the most comprehensive customer field support in the industry. Dedicated to education, Viega has been recognized by industry professionals as offering some of the most innovative, informative and interactive training courses.
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