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Screwed End Silent Check Valves - 303

Mueller Steam Specialty

Screwed End Silent Check Valves - 303

Series 303 Screwed End Silent Check Valves are designed to prevent surge, backflow, and water hammer in liquid service. These check valves are available in cast iron, bronze, or stainless steel; pressure and temperature conditions will dictate the appropriate body material. For air and gas applications, consult factory.

Specification

Features
- Spring closes disc before flow reversal, preventing surge and water hammer
- Disc begins to open at 0.5 psi (34.5 kPa), and opens 1/4 inch per inch of line size
- Disc is center guided to ensure alignment in both fully open and fully closed positions
- Choice of body material, depending on pressure and temperature conditions

Technical specification

Unique ref.303-Check-Valve
Product familyValves
Product groupCheck Valves
TypeObject (single object)
Date of publishing2020-02-10
Edition number1

Links

Product urlhttps://www.watts.com/products/plumbing-flow-control-solutions/check-valves/silent-check-valves/303
Technical descriptionhttps://www.watts.com/dfsmedia/0533dbba17714b1ab581ab07a4cbb521/45816-source/ES-MS-303

Related

Material mainCast iron
Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryPlumbing - Valves
IFC classificationValve
UNSPSC nameSwing check valves
UNSPSC code40141634
Uniclass 2015 CodePr_65_54_40_13
Uniclass 2015 DescriptionCheck valves
CSI MasterFormat 2014 Code40 05 65.26
CSI MasterFormat 2014 TitleTilting Disc Check Valves
OmniClass Number23-27 31 19
OmniClass TitleCheck Valves
CSI UniFormat II CodeD20
CSI UniFormat II TitlePLUMBING

Region availability

North America
Canada
Mexico
United States

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