Watts 719 Manuel d'utilisateur télécharger pdf

Series 719

Double Check Valve Assemblies

Sizes:

⁄2" – 2" (15 – 50mm)

Series 719 Double Check Valve Assemblies are designed to pro-

tect drinking water supplies from dangerous cross-connections

in accordance with national plumbing codes and water authority

requirements.

This series may be used in only those cross-connections identified

by local inspection authorities as non-health hazard applications.

Check with local authority having jurisdiction regarding vertical

orientation, frequency of testing or other installation requirements.

Series 719 meets the requirements of ASSE Std. 1015 and AWWA

Std. C510.

Features

• Manufactured from bronze alloy

• Separate access, top entry check valve design

• Reversible seat disc rubber, extends check valve life

• Chloramine resistant elastomers

• Replaceable seats and seat discs

• Compact design

• Top mounted screwdriver slotted ball valve test cocks

• Low pressure drop

•

⁄2" – 1" (15 – 25mm) have Tee handles

• No special tools required for servicing

• Plastic on plastic check guiding reduces potential binding due to

mineral deposits

Specifications

Series 719 Double Check Valve Assembly shall be installed

at each noted location. Provide assembly with integral shutoff

valves that conform to ASSE 1015 and AWWA C510. The assem-

bly shall have top entry bronze covered access points for each

check assembly, screw driver slotted test cocks and require the

use of no special tools for servicing. All wetted rubber parts shall be

manufactured from silicone or chloramine resistant EPDM rubber.

All valve seats and seat discs shall be replaceable. Seat discs shall

be reversible to extend check valve life. Check valve guiding shall

be plastic to plastic. The assembly shall be a Watts Series 719.

Test Cocks

First Check Assembly

Second Check Assembly

719QT

For Non-Health Hazard Applications

ES-719

Job Name

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Contractor

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Job Location

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Approval

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Engineer

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Contractor’s P.O. No.

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Approval

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Representative

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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,

please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-

out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

NOTICE

Inquire with governing authorities for local installation requirements

Now Available

WattsBox Insulated Enclosures.

For more information, refer to literature ES-WB.

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Résumé du contenu

Page 1 - Series 719

Series 719Double Check Valve AssembliesSizes: 1⁄2" – 2" (15 – 50mm)Series 719 Double Check Valve Assemblies are designed to pro-tect drinkin

Page 2 - 719QT, 719QT-S

Dimensions/WeightsMaterialsBody: BronzeElastomers: Chloramine resistant silicone and EPDMCheck Seats: Engineered PlasticDisc Holders: Engineered Pl

Page 3 - U719QT, U719QT-S

DAEGHFCBMNDBAECGFHU719QT, U719QT-S SIZE (DN) DIMENSIONS STRAINER DIMENSIONS WEIGHT A B C D E (LF) F G H M N U719QT U719QT-S in. mm in.

Page 4

1⁄2" (15mm)3⁄4" (20mm) 1" (25mm)2" (50mm)11⁄2" (40mm)11⁄4" (32mm)CapacitieskPa psi 110 16 97 14 69 10 55 8 41 6 28

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Watts 719 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Accessoires pour l'eau Watts 719. Watts 719 User Manual Manuel d'utilisatio

Résumé du contenu

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