Honeywell RV277-2"A Инструкция онлайн
Product Specification Sheet • EN0H-1200GE23 R0417 • Subject to change 1
EN0H-1200GE23 R0417
Backflow Preventers
RV277
Controllable anti-pollution check valve EA type
Add-on for pressure reducing valves and filters
APPLICATION
Check valves of this type are particularly suitable for integral
use with pressure reducing valves, filters and filter
combinations of all types.
Check valves are safety devices for independent prevention
of water backflow, for example from drinking water
appliances back into the central water supply system.
They can also be used for industrial, commercial and similar
systems where back pressure, back flow and back
syphonage must be prevented.
The classicfications of appliances to meet these
requirements are specified in EN 1717.
APPROVALS
• DVGW
SPECIAL FEATURES
• Universal application
• Easy installation
• Quiet operation
• Creates no shock pressure loadings
• Suitable for installation in any position
• Low pressure loss
• All materials are UBA conform
TECHNICAL DATA
Media
Medium: Drinking water
Connections/Sizes
Connection size: Male threaded union
1
/
2
" - 2"
Female threaded union
1" - 2
1
/
2
"
Pressure values
Opening pressure: approx. 0.01 bar
Max. inlet pressure: 25.0 bar
Operating temperatures
Max. operating temperature
medium:
65 °C accord. DIN EN 13959
(short term operation up to
90 °C)
Specifications
Liquid category: 2 (no hazardous materials)
Содержание
- Add on for pressure reducing valves and filters 1
- Application 1
- Approvals 1
- Backflow preventers 1
- Controllable anti pollution check valve ea type 1
- Special features 1
- Technical data 1
- Construction 2
- Installation guidelines 2
- Method of operation 2
- Setup requirements 2
- Transportation and storage 2
- Installation example 3
- Kvs values 3
- Pressure drop characteristics 3
- Technical characteristics 3
- Dimensions 4
- Options 4
- Ordering information 4
- Spare parts 5
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