Submittal Sheet

ManualsBrandsViega ManualsPEX Manifolds1/2", 30 Port PEX Press MANABLOC (12 hot, 18 cold)

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ES-PFNGVP 1210

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Engineering

Specifications

PUREFLOW PEX PRODUCTS

PART 1 – GENERAL

1.1 SUMMARY

1.1.1 This specification covers Branch & Main, Parallel Water Distribution Systems

(MANABLOC), Cross-linked Polyethylene tubing and fittings using PEX Press

and PEX Crimp technology for hot and cold water distribution systems.

The system is assembled when the fitting barb is inserted fully into the tubing

and either a stainless press sleeve or copper crimp ring is pressed/crimped

over the tubing and fitting using the appropriate tool to create a leak proof

permanent joint.

1.2 REFERENCES

1.2.1 ASTM F876 specification for Cross-linked Polyethylene (PEX) tubing

1.2.2 ASTM F877 specification for Cross-linked Polyethylene (PEX) plastic hot

and cold water distribution systems.

1.2.3 ASTM F2023 test method for evaluating the oxidative resistance of

Cross-linked (PEX) tubing and systems to hot chlorinated water.

1.2.4 ASTM F1807 specification for metal insert fittings utilizing a copper crimp

ring for SDR9 Cross-linked Polyethylene (PEX) tubing

1.2.5 ASTM F2159 specification for plastic insert fittings utilizing a copper crimp

ring for SDR9 Cross-linked Polyethylene (PEX) tubing

1.2.6 CSA CAN/CSA B137.5 Cross-linked Polyethylene (PEX) tubing systems for

pressure applications.

1.2.7 NSF 14 – plastic piping component and related materials

1.2.8 NSF 61 – drinking water system components – health effects

1.2.9 AWWA C651 standard for disinfecting water mains

1.2.10 IAPMO Uniform Plumbing Code

1.2.11 IAPMO Uniform Mechanical Code

1.2.12 ICC International Plumbing Code

1.2.13 ICC International Mechanical Code

1.2.14 NAPHCC National Standard Plumbing Code

1.2.15 cULus - UL 1821 listing for Multipurpose residential fire sprinkler systems

(ViegaPEX Ultra Black and PEX Press fittings in 3/4" - 2" sizes only).

Summary of content (7 pages)

PAGE 1
Engineering Specifications PUREFLOW PEX PRODUCTS PART 1 – GENERAL 1.1 SUMMARY 1.1.1 This specification covers Branch & Main, Parallel Water Distribution Systems (MANABLOC), Cross-linked Polyethylene tubing and fittings using PEX Press and PEX Crimp technology for hot and cold water distribution systems.
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Engineering Specifications 1.3 QUALITY ASSURANCE 1.3.1 The installer shall be a qualified installer, licensed within the jurisdiction, and familiar with the installation of Cross-linked Polyethylene (PEX) tubing systems. 1.3.2 The installation of Cross-linked Polyethylene (PEX) tubing for hot and cold water distribution systems shall conform to the requirements of the ICC International Plumbing Code or IAPMO Uniform Plumbing Code. 1.4 DELIVERY, STORAGE AND HANDLING 1.4.
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Engineering Specifications PART 2 – PRODUCTS 2.1 MANUFACTURERS 2.1.1 PureFlow Water System: ViegaPEX, ViegaPEX Ultra, ViegaPEX Barrier, and FostaPEX manufactured by Viega LLC, 301 N. Main Street, Floor 9, Wichita, KS 67202, 316-425-7400. 2.2 MATERIAL 2.2.
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Engineering Specifications 2.2.4 Fitting Standard: PEX Crimp fittings for use with copper crimp rings shall be manufactured from UNS C36000, C37700, C69300 or C87850 Brass / Eco Brass® meeting the requirements of ASTM F1807 and or PolyAlloy™ polymer meeting the requirements of ASTM F2159. The PEX Crimp connection shall be made by use of a full circle crimp tool designed to crimp F1807 copper crimp rings. 2.2.
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Engineering Specifications PART 3 – EXECUTION 3.1 EXAMINATION 3.1.1 The installing contractor shall carefully examine the PEX tubing for defects, cuts, abrasions, cracks, fading color, or blemishes. There shall be no cracks or heavy deformations of the tubing. Fittings and manifolds shall be checked for any signs of abuse. Any damaged tubing or fittings shall be rejected. 3.2 PREPARATION 3.2.1 ViegaPEX Tubing: Cross-linked Polyethylene tubing shall be cut with a PEX tubing cutter.
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Engineering Specifications 3.4.4 3.4.5 3.4.6 3.4.7 3.4.8 3.4.9 3.4.10 3.4.11 PEX Press Connections: Bronze PEX Press fittings shall be made in accordance with the manufacturer’s installation instructions. The Stainless press sleeve shall be placed over the end of the squared off PEX tubing while fully inserting the fitting barb into the tubing.
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Engineering Specifications 3.5 FIELD QUALITY CONTROL 3.5.1 Water Testing: The PEX tubing system shall be pressure tested in accordance with local code after installation or to at least minimum system working pressure, no less than 40 psi, and for a period of no less than 15 minutes. Water used for this testing shall come from a potable water source. Test should not exceed pressure rating of PEX tubing and shall have no leaks. 3.5.