Ductile iron backwash valve for sand filter/disc filter
Design for automatic back flush in water filtration system especially sand media tank
Port size: 2", 3", 4"
Hydraulic operation port: 1/8"-1/4"
| Dimension Chart: |
| Size |
Inlet/Outlet |
Drain port |
A** |
B |
C |
Approx Weight |
| mm |
inch |
mm |
inch |
mm |
Kgs |
| 3x2 |
80 |
3 |
50 |
2 |
283 |
155 |
170 |
17 |
| 3x3 |
80 |
3 |
80 |
3 |
283 |
155 |
170 |
18 |
| 4x3 |
100 |
4 |
80 |
3 |
305 |
168 |
185 |
20 |
| 4x4 |
100 |
4 |
100 |
4 |
305 |
168 |
185 |
21 |
End connection: Grooved end
Threaded End
Flanged End
Working pressure: PN10/PN16
Working temperature: normal temperature 20 +/-10 degree
Pilot: Solenoid operator
Materials: Ductile iron body/cover
EPDM diaphragm
EPDM seat ring
SS304 disc
SS304 shaft
Special specs. available upon request.
Special specs. available upon request.
More photos:
General Conditions:
Standard Packing: In cartons, with or without pallets
Leading time: 45 days in normal (rush order please check us, we keep some stock but not for all sizes).
Terms of shipment: EXW,FOB, CFR/CIF, DAP, DDU
Who we are: SUNTEX is the leading valve producer with own design-know how-technique, located in Hebei province, China.With more than 20 years experience on water treatment scope, provide one stop supplies for customers all over the world.
Distributor wanted worldwide
CONTACT US:
Head office:
RM 1108 Zhongyuan Bldg.,No.368 North Youyi Street,
Shijiazhuang, Hebei province, China
Post Code: 050061
Workshop:
No.15, Dongchuang S &T park, Jiansheng South Street, Chemical district Shijiazhuang, Hebei province, China
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