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BNT 111 Control Valve
Model Number:BNT-111
Color:Customized
Certification:Preparing
MOQ:20pcs
Packing:1pcs/ctn 20pcs/ctn
Detailed Product
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BNT111 Diaphragm valve for sand filter

Feature

1.      Design for filtration system with a high back flush flow rate specially.

2.      Switched by a diaphragm assembly inside, because of end seal rather than ceramic seal, it fit for dirty water source very well.

3.      With filtration and back flushing process only, simple internal structure and operation, high efficiency.

4.      Apply for 6”-14” tanks, two DLFC inside to adjust flow rate.

5.      Simple as Clicking the holder to initiate back flushing process, diaphragm assembly is driven by a differential pressure from outlet back pressure automatically.

6.      Easy maintenance, inlet/outlet/ drain port with quick connection adapter available.

 

Technical parameter

Valve body materialsAnti-UV  PP+

Working pressure0.2~0.8MPa Min. back flush pressure0.15MPa

Working temperature2~40 0C

Connect ports/dimension

inlet/outlet/ drain port1”QC adapter

tank opening2.5”- NPSM

Rise pipe1.050”OD

Valve dimension with all adapters LWH18X14X13cm

Valve weight700 g

Option

Adapter1” NPTBSP thread and PPR socket

Upper nozzle

 

Filtration and Back flush Flow

Service Kv=4.5Back flush Kv=4.3---valve only

 

 

DLFC:

Ø3Ø3

Ø3Ø5

Ø5Ø5

Ø5Ø7

Ø5--

Ø7--

Work with Tank

6”

7”8”

9”

10”

12”

14”

Kv

1

1.6

1.8

2.5

2.9

3.1

Back flush flow M3/H

0.89

1.43

1.80

2.50

3.55

3.80

@Min back flush pressure Bar

0.8

0.8

1

1

1.5

1.5