Watts 957Z Bedienungsanleitung PDF herunterladen

For Health Hazard Applications

ES-957/957N/957Z

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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Series 957, 957N, 957Z

Reduced Pressure Zone Assemblies

Sizes: 2

⁄2" – 10" (65 – 250 mm)

Series 957, 957N, 957Z Reduced Pressure Zone Assemblies provide

protection to the potable water system from contamination in ac-

cordance with national plumbing codes. Series 957, 957N, 957Z are

normally used in health hazard applications for protection against

backsiphonage or backpressure.

Features

• 2

⁄2", 3" and 4" (65, 80 and 100mm) sizes available with quarter-turn

ball valve shutoffs

• Replaceable check disc rubber

• Extremely compact design

• 70% Lighter than traditional designs

• 304 (Schedule 40) stainless steel housing & sleeve

• Groove fittings allow integral pipeline adjustment

• Patented torsion spring checks provide lowest pressure loss

• Unmatched ease of serviceability

• Bottom mounted cast stainless steel relief valve

• Available with grooved butterfly valve shutoffs

Specifications

The Reduced Pressure Zone Assembly shall consist of two indepen-

dent torsion spring check modules, a differential pressure relief valve

located between and below the two modules, two drip tight shutoff

valves, and required torsion spring check modules and relief valve

shall be contained with a sleeve accessible single housing con-

structed from 304 (Schedule 40) stainless steel pipe with groove end

connections. Torsion spring checks shall have replaceable elastomer

discs and in operation produce drip tight closure against the reverse

flow of liquid caused by backpressure or backsiphonage. Assembly

shall be a Watts Regulator Company Series 957, 957N, 957Z.

957OSY

957ZBFG

957QT

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.

* The wetted surface of this product contacted by consumable water

contains less than 0.25% of lead by weight.

LEAD FREE

1 2 3 4

Inhaltsverzeichnis

Seite 1 - LEAD FREE

For Health Hazard ApplicationsES-957/957N/957ZJob Name ––––––––––––––––––––––––––––––––––––––––––– Contractor –––––––––––––––––––––––––––––––––––

Seite 2 - Dimensions — Weight

MaterialsHousing & Sleeve: 304 (Schedule 40) Stainless SteelElastomers: EPDM, Silicone and Buna-NTorsion Spring Checks: Noryl®, Stainless SteelChe

Seite 3 - Dimensions — Weight continued

957QTDimensions — Weight continuedHGJIP1MADCP SIZE (DN) DIMENSIONS WEIGHT A C D G H I J M P P1 QT QTNin. mm in. mm in. mm in. mm

Seite 4 - 2" (65mm)

kPa psi 124 18 110 16 96 14 83 12 69 10 55 8 41 6 kPa psi 124 18 110 16 96 14 83 12 69 10 55 8 41 6 kPa psi 110 16 96 14 83 12 69

Verwandte Modelle: 957N | 957 |

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Watts 957Z Bedienungsanleitung (4 Seiten)

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Stöbern Sie online oder laden Sie Bedienungsanleitung nach Zubehör fürs Wasser Watts 957Z herunter. Watts 957Z User Manual Benutzerhandbuch

Inhaltsverzeichnis

Verwandte Modelle: 957N | 957 |

Weitere Dokumente für Zubehör fürs Wasser Watts 957Z

Kommentare zu diesen Handbüchern

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