Page 1
EN0H-1242GE23 R1117
Backflow Preventers
BA300
Backflow Preventer
with flanged connections
APPLICATION
Backflow preventers of this type are suitable for the
protection of drinking water systems against back pressure,
back flow and back syphonage.
Fluids up to and including liquid category 4 to EN 1717 are
protected.
They can be used for residential buildings, industrial and
commercial purposes within the scope of their specification.
The powder-coated ductile iron housing provides increased
corrosion protection.
APPROVALS
• DVGW
• BELGAQUA
• NF
• KIWA
• WRAS
• SVGW
• VdS (BA300-80ZVDS)
• VA-ETA
SPECIAL FEATURES
• Optimal protection of the drinking water supply system
• Easy access to all internal components
• Powder-coated inside and outside - Powder used is
physiologically and toxicologically safe
• Easy Maintenance due to optimized construction
• Triple security - two check valves and a discharge valve
separate the backflow preventer into three pressure
zones
• Few individual parts
• Light weight
• Standardised discharge connection
• All materials are ACS approved
• All materials are KTW approved
• Approved by OTH (Hungary)
TECHNICAL DATA
Media
Medium: Drinking water
Connections/Sizes
Connection size: DN65 - DN200
Discharge pipe connection: DN150
Pressure values
Min. inlet pressure: 1.5 bar
Max. operating pressure: 10.0 bar
Operating temperatures
Max. operating temperature
medium:
Specifications
Installation position: Horizontal with discharge
65 °C (WRAS 60 °C)
valve downwards
Product Specification Sheet • EN0H-1242GE23 R1117 • Subject to change 1
Page 2
BA300 - Backflow Preventer
CONSTRUCTION
Overview Components Materials
1 Three ball valves for the
connection of a differential
pressure gauge
2 Inlet/Outlet check valves Stainless Steel
3 Housing Ductile iron, powder-coated
4 Discharge valve CW626N with stainless steel
5 Pressure control line Polyethylene with stainless
Not depicted components:
Diaphragm EPDM
Sealing washers EPDM
Brass
with polyamide
seat
steel braid
(BA300-80ZVDS stainless
steel)
METHOD OF OPERATION
BA type backflow preventers are divided into three pressure
zones. The pressure in zone is higher than in zone ,
which in turn is higher than in zone . A discharge valve is
connected to zone which opens at the latest when the
differential pressure between zones and drops to
0.14 bar. The water from zone discharges to atmosphere,
both check valves close and therefore separate zone from
zone and . In this way the danger of back pressure or
back syphonage into the supply network is prevented. The
pipework connection is interrupted and the drinking water
network is protected.
TRANSPORTATION AND STORAGE
Keep parts in their original packaging and unpack them
shortly before use.
The following parameters apply during transportation and
storage:
Parameter Value
Environment: clean, dry and dust free
Min. ambient temperature: 5 °C
Max. ambient temperature: 55 °C
Min. ambient relative
humidity:
Max. ambient relative
humidity:
*non condensing
25 % *
85 % *
INSTALLATION GUIDELINES
Setup requirements
• Install shut-off valves before and after backflow
preventer
• Install backflow preventer downstream of the filter or
strainer
– This protects the appliance against dirt
• Install in horizontal pipework with the discharge valve
downwards
• Ensure good access
– Simplifies maintenance and inspection
• In order to avoid flooding, it is recommended to arrange
a permanent, professionally dimensioned wastewater
connection
• The installation environment should be protected
against frost and ventilated well
• Install discharge pipework which has adequate capacity
• These armatures need to be maintained regularly
2 Product Specification Sheet • EN0H-1242GE23 R1117 • Subject to change
Page 3
BA300 - Backflow Preventer
Installation Example
Connection sizes:
DN: 65 80 100 150 200
inch: 21/2" 3" 4" 6" 8"
Min. clearance above backflow
650 mm 650 mm 650 mm 650 mm 650 mm
preventer:
Clearance from wall: 160 mm 160 mm 160 mm 200 mm 200 mm
TECHNICAL CHARACTERISTICS
Pressure drop characteristics
1.6
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
p [bar]
0.6
0.5
0.4
0.3
0.2
0.1
0
Pressure drop in valve Δ
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360
Flow V [m3/h]
DN65
Fig. 1 Pressure drop within the valve in dependency of the flow rate and the used connection size
051ND001ND08ND
DN200
Product Specification Sheet • EN0H-1242GE23 R1117 • Subject to change 3
Page 4
BA300 - Backflow Preventer
DIMENSIONS
Overview
F
Parameter Values
Connection size:: DN 65 80 100 150 200
Weight: kg 23.9 32.7 44.6 70.9 114.1
Dimensions: L 356 440 530 630 763
H 152 167 185 219 254
h 246 275 296 314 346
T 77 77 77 77 77
F* 185 200 220 285 340
Nominal flow rate at Δp = 1.0 bar: m3/h 35.8 54.3 108 190.9 339.3
Discharge flow rates in the event of failure: m3/h 35 35 35 35 35
Note: 1 to 3 see chapter Method of operation
Note: All dimensions in mm unless stated otherwise.
Note: * F = width
ORDERING INFORMATION
The following tables contain all the information you need to make an order of an item of your choice. When ordering, please
always state the type, the ordering or the part number.
Options
These backflow preventers are available in the following sizes: DN65, DN80, DN100, DN150, DN200.
• standard
- not available
BA300-...A BA300-80ZVDS
Connection type: Standard version, connection sizes DN65 - DN200
Connection with flanges, PN10
with VdS certificate VdS No.: G417057 DN80 •
Note: ... = space holder for connection size
Accessories
Description Dimension Part No.
TKA295 Test kit
Analogue pressure measuring device with differential pressure display. With case
and accessories, ideal for inspection and maintenance of backflow preventer type
BA.
•
TKA295
4 Product Specification Sheet • EN0H-1242GE23 R1117 • Subject to change
Page 5
BA300 - Backflow Preventer
Spare Parts
Backflow Preventer BA300, from 2011 onwards
Overview
5
5 1
4
4
Description Dimension Part No.
1 Inlet check valve
DN65 0904052
DN80 0904053
DN100 0904054
5
5
DN150 0904055
2 Outlet check valve
5
5
DN65 0904057
DN80 0904058
DN100 0904059
3
3
2
1
5
52
DN150 0904060
DN200 0904061
3 Discharge valve
DN65 - DN200 0904062
4 Pressure control line
DN65 0904063
DN80 0904064
DN80* 0904073
DN100 0904065
DN150 0904066
DN200 0904067
5 Sealing set
DN65 0904068
DN80 0904069
DN100 0904070
DN150 0904071
DN200 0904072
* VdS Version
Environmental & Energy Solutions
Honeywell GmbH
Hardhofweg
74821 MOSBACH
GERMANY
Phone: (49) 6261 810
Fax: (49) 6261 81309
http://ecc.emea.honeywell.com
Manufactured for and on behalf of the
Environmental and Combustion Controls
Division of Honeywell Technologies Sàrl, Z.A.
La Pièce 16, 1180 Rolle, Switzerland
by its Authorised Representative Honeywell GmbH
EN0H-1242GE23 R1117
Subject to change
© 2017 Honeywell GmbH
Loading...