Backflow Preventers |
|
Backflow preventer
with controllable reduced pressure
zones.
|
PROTECTION
OF DRINKING WATER NETWORKS
|
| PRESSURE
PFA 10 bar T°C 65° |
| Backflow
preventer with verifiable reduced
pressure zone with funnel attached |
| CASING
: bronze (brass for 1/2 and
3/4) |
| With
male threaded union nuts (except
OEM version : 1/2 male threaded
union nut) |
| VALVES
: brass and PPO (polyphenylene
oxide) or PPA (polyphtalamide |
| SEALS
: silicone and EPDM |
| SPRING
: stainless steel |
| SPECIAL
NOTE : horizontal installation |
male/male
|
| DN |
Ref. |
U V |
Price |
|
| 1/2 |
149B 3880 |
1 |
£297.26 |
|
| 3/4 |
149B 3481 |
1 |
£312.19 |
|
| 1 |
149B 3082 |
1 |
£387.58 |
|
| 1 1/4 |
149B 3083 |
1 |
£477.85 |
|
| 1 1/2 |
149B 3086 |
1 |
£824.34 |
|
| 2 |
149B 3085 |
1 |
£865.61 |
|
|
 More
Information |
|
|
Cast iron water
filter with a stainless steel
strainer and brass drain cock.
For protection of pumps, valves,
pressure reducing valves, backflow
preventers.
|
PROTECTION
OF DRINKING WATER NETWORKS
|
| PRESSURE
PFA 10 bar T°C 65° |
| Backflow
preventer with verifiable reduced
pressure zone with funnel attached |
| CASING
: cast iron with epoxy coating |
| VALVES
: BA4760 : valve head in DZR
brass or bronze and valve seat
in PPO or bronze |
| VALVES
: brass and PPO (polyphenylene
oxide) or PPA (polyphtalamide |
| SEALS
: EPDM/Silicone |
| SPRING
: stainless steel |
| SPECIAL
NOTE : horizontal installation |
| with
PN10 flanges |
| DN |
Ref. |
U V |
Price |
|
| 21/2 |
149B 3486 |
1 |
£1730.38 |
|
| 3 |
149B 3097 |
1 |
£1832.38 |
|
| 4 |
149B 3098 |
1 |
£3054.54 |
|
| 6 |
149B 3400 |
1 |
£4598.52 |
|
| 8 |
149B 3401 |
1 |
£7913.34 |
|
| 10 |
149B 3402 |
1 |
£10958.35 |
|
|
| More
Information |
|
|
To protect low risk
or intermittent risk installations
which nevertheless require a backflow
prevention system : domestic heating
units < 70 Kw, vending machines,
certain laboratory equipment...
Special versions in M/M and nickel-plated
in M/M or F/F
|
HEATING
INSTALLATIONS WITH LESS THAN
70 kW
|
| PRESSURE
PFA 10 bar T°C 65° |
| Backflow
preventer with non verifiable
reduced pressure zone with funnel
attached |
| CASING
: brass |
| VALVES
: POM (polyacetal) and brass |
| MEMBRANE
AND SEALS : NBR (nitrile) and
EPDM |
| SPRING
: stainless steel |
| Female
threaded union nuts and drain
holder |
| OPTIONS
: threaded male/male version
and male/male or female/female
nickel-plated versions available
on request |
female/female
|
| DN |
Ref. |
U V |
Price |
|
| 2 1/2 |
149B 2885 |
1 |
£62.47 |
|
| 3 1/4 |
149B 2886 |
1 |
£62.47 |
|
|
| More
Information |
|
|
The Pipe interrupter
with vent and moving element type
DB is a protection device for
the fluids of category 4 without
downstream counter pressure. This
device insures a protection against
back siphonage connecting to the
atmosphere, however this devices
is not made for protection against
back pressure. The flow of the
water is in a vertical downward
direction.
|
PROTECTION
OF DRINKING WATER NETWORKS
|
| Pressure
PFA 10 bar T°C 65° |
| Pipe
interrupter with vent and moving
element |
| Casing
: PPO (Polyphenylene oxyd) |
| VALVES
: POM (polyacetal) and brass |
| Membrane
: silicone |
| Ring
: POM (Polyacetal) |
| SPECIAL
NOTE : vertical installation |
| female/female |
| DN |
Ref. |
U V |
Price |
|
| 3/4 |
149B 3581 |
1 |
£15.38 |
|
|
| More
Information |
|
Y333P |
Cast iron water
filter with a stainless steel
strainer and brass drain cock.
For protection of pumps, valves,
pressure reducing valves, backflow
preventers.
|
| PROTECTION
OF PUMPS, VALVES, PRESSURE REDUCING
VALVES, BACKFLOW PREVENTERS |
| PRESSURE
PFA/PS en bar T°C 100° |
| FILTER
: GJL cast iron epoxy coated
internal/external (DN40 to 125)
GJS ductile iron epoxy coated
internal/external (DN150 to
400) |
| STRAINER
: stainless steel |
| DRAIN
COCK : brass 1/2’’ |
MESH
Ø :
DN 1’’1/2 and 2’’:
500 microns DN 3’’
to 8’’ : 1250 microns
DN 2’’1/2 : 800
microns DN 10’’
to 16’’ : 1600 microns |
| With
PN10 flanges |
DN |
PFA |
PS
|
Cat
|
Ref.
|
U
V
|
Price
|
|
” |
mm |
water |
L1 |
L2 |
G1 |
G2 |
1 1/2 |
40 |
16 |
16 |
16 |
x |
x |
3.3 |
149B 3280 |
1 |
£60.50 |
|
2 |
50 |
16 |
16
|
16 |
x |
x |
3.3 |
149B 3281 |
1 |
£68.51 |
|
2 1/2* |
65 |
16 |
16
|
16 |
x |
x |
3.3 |
149B 3282 |
1 |
£86.98 |
|
3** |
80 |
16 |
16
|
16 |
x |
x |
3.3 |
149B 3283 |
1 |
£109.88 |
|
4 |
100 |
16 |
16 |
16 |
x |
x |
3.3 |
149B 3284 |
1 |
£142.18 |
|
5 |
125 |
16 |
16
|
16 |
x |
x |
3.3 |
149B 3285 |
1 |
£216.65 |
|
6 |
150 |
16 |
13
|
16 |
x |
x |
3.3 |
149B 3286 |
1 |
£286.79 |
|
8 |
200 |
10 |
10
|
10 |
x |
x |
3.3 |
149B 3287 |
1 |
£563.95 |
|
10 |
250 |
10 |
10
|
10 |
x |
x |
1 |
149B 3288 |
1 |
£1143.15 |
|
12 |
300 |
10 |
10
|
10 |
x |
x |
1 |
149B 3289 |
1 |
£1268.67 |
|
14 |
350 |
10 |
10
|
x |
x |
x |
1 |
149B 3288A |
1 |
£2305.34 |
|
16 |
400 |
10 |
10
|
x |
x |
x |
1 |
149B 3291 |
1 |
£2945.89 |
|
Y222P |
Cast iron
water filter with a stainless
steel strainer and brass
drain cock. For protection
of pumps, valves, pressure
reducing valves, backflow
preventers.
|
| PROTECTION
OF PUMPS, VALVES, PRESSURE
REDUCING VALVES, BACKFLOW
PREVENTERS |
| PRESSURE
PFA 25 bar T°C 110° |
| FILTER
: brass |
| STRAINER
: stainless steel |
| DRAIN
COCK : brass 1/4’’
(except DN 1/2”
: 1/8”) |
| MESH
Ø : 500 microns
(except DN 1/2”
: 300 microns) |
| female/female |
DN
" |
REF |
UV
|
Price |
|
1/2 |
149B
5950 |
1 |
£27.55 |
|
3/4 |
149B
5160 |
1
|
£27.55 |
|
1 |
149B
5161 |
1 |
£33.12 |
|
1
1/4 |
149B
5191 |
1 |
£36.58 |
|
1
1/2 |
149B
5162 |
1 |
£54.90 |
|
2 |
149B
5163 |
1 |
£75.33 |
|
|
|
| More
Information |
|
|
 |
Industrial Water Equipment Ltd
4 Causeway Lane, Matlock
Derbyshire, DE4 3AR
TEL: +44 (0)1629 55839
FAX: +44 (0)1629 501055
2nd Floor, 13 Upper Baggot Street, Dublin
4, Ireland
TEL: + 00 353 14428670
info@industrialwaterequipment.co.uk
24Hr
Helpline - Emergency
Number : 07775 661688 |
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