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Long service Time Flow Control Valve For Water And Irrigation System Constant Flow Rate
A400 is a flow control valve which consists of
1. Main valve
2. Plus an orifice plate kit and flow pilot-P400
3. Pre-selected max. flow rate
4. Regardless of changing line pressure
5. Responds to the differential pressure across the orifice
6. Flow rate can be adjusted thru pilot screw
Service Fields:
For water system, irrigation system.
Technical Data:
Size | DN50-DN800 |
Working Temperature | - 10C- 80C |
Flange | AISI B16.1 Or PN16 |
Flow Media | Clean Water |
Consult Factory for other applications
IP68 for water resistance
Comply with BS EN 1074-5, ISO 5208, BS EN 12266-1, BS EN 558-1
Materials And Dimension
DN50-DN350
No. | Description | Material | Standard |
1 | Body | Ductile Iron | GJS500-7 |
2 | Seat | Stainless Steel | AISI304/316 |
3 | O-ring | Rubber | NBR |
4 | O-ring | Rubber | NBR |
5 | Bolt | Stainless Steel | A2/A4 |
6 | Washer | Stainless Steel | A2/A4 |
7 | Bonnet | Ductile Iron | GJS500-7 |
8 | Bush | Bronze | C61900 |
9 | Spring | Stainless Steel | AISI304/316 |
10 | Caulking Nut | Stainless Steel | A4 |
11 | Diaphragm | Nylon Reinforced Rubber | EPDM+Nylon Fabric |
12 | Fixing holder | Ductile Iron | GJS500-7 |
13 | Disc holder | Ductile Iron | GJS500-7 |
14 | Seal | Rubber | EPDM |
15 | Seat Retainer | Stainless Steel | AISI304/316 |
16 | Stem | Stainless Steel | AISI304/316 |
17 | Plug | Stainless Steel | AISI304/316 |
18 | Screw | Stainless Steel | A2/A4 |
19 | Plug | Stainless Steel | A2/A4 |
20 | Washer | Stainless Steel | A2/A4 |
DN400-DN800
No. | Description | Material | Standard |
1 | Body | Ductile Iron | GJS500-7 |
2 | Seat | Stainless Steel | AISI304/316 |
3 | Screw | Stainless Steel | A2/A4 |
4 | Screw | Stainless Steel | A2/A4 |
5 | Screw | Stainless Steel | A2/A4 |
6 | Spring | Stainless Steel | AISI304/316 |
7 | Bonnet | Ductile Iron | GJS500-7 |
8 | Bush | Bronze | C61900 |
9 | O-ring | Rubber | NBR |
10 | Fix Washer | Bronze | C61900 |
11 | Diaphragm | Nylon Reinforced Rubber | EPDM+Nylon Fabric |
12 | Eye Bolts | Carbon Steel | 1040 |
13 | Fixing holder | Ductile Iron | GJS500-7 |
14 | Disc holder | Ductile Iron | GJS500-7 |
15 | Seal | Rubber | EPDM |
16 | Seat Retainer | Ductile Iron | GJS500-7 |
17 | Stem | Stainless Steel | AISI304/316 |
18 | Plug | Stainless Steel | AISI304/316 |
19 | O-ring | Rubber | NBR |
20 | Cap | Ductile Iron | GJS500-7 |
21 | Plug | Stainless Steel | AISI304/316 |
22 | Screw | Stainless Steel | A2/A4 |
23 | O-ring | Rubber | NBR |
24 | Screw | Stainless Steel | A2/A4 |