Specification

Patented
ASSE 1052 Approved
Hose Connection
Automatic Draining
High Flow Double Check
NIDEL
®
Model 50H
Backow Preventer
©2019 WOODFORD Mfg.
Rev. 02/19 Form No. 50.106
SPECIFICATIONS:
• ASSE 1052 Approved
• Field Testable (see instruction sheet)
• Two independent check valves
• Drains automatically when hose is removed
• No spray back
FEATURES:
• Exterior Brass (BR). or Optional: Chrome Plated (CH) nish
• (2) Check valves with molded rubber diaphragms
• Theft resistant Brass break-o󰀨 set screw (50H Only)
• 3/4″ female inlet hose thread
• 3/4″ male outer nozzle hose thread
• Max Pressure - 125 p.s.i.
• Max Temperature - 120° F
The patented NIDEL
®
Model 50H high ow double check
backow preventer is intended for irrigation purposes
and designed to protect hose connections from backow
contamination in freezing and non-freezing conditions.
The NIDEL
®
Model 50 high ow double check backow
preventer automatically drains when the hose is removed
and unlike single check vacuum breakers can be eld
tested for reliability.
Uses include outside hose bibbs, wash racks, dairy barns
and swimming pool areas.
NOTICE: This device, as with all 1011, 1019, 1052 and
1053 ASSE listed devices, is not to be subjected to
continuous water pressure.
2121 Waynoka Road, Colorado Springs, Colorado 80915 • Phone: [phone] • Fax: [phone]
To view our complete product line visit: www.woodfordmfg.com or email: [e-mail]
Excellence
Woodford
Since 1929
Proudly Made In The U.S.A.
Visit Woodford’s Website for Patent Information
http://www.woodfordmfg.com/Woodford/patents/
NIDEL
®
Model 50H
Shown Actual Size
When ordering, specify model and finish.
For more information contact...
WOODFORD MANUFACTURING COMPANY, LLC.