Description
The automatic balancing valve is designed for dynamic maintece of the set differential pressure in sections of two-pipe heating and cooling systems with variable flow rate. During system operation, the pressure difference is transmitted to the diaphragm and compensated by the spring compression force. When the differential pressure starts to change, the core changes its position relative to the body seat under the influence of the diaphragm, thus keeping the set differential pressure constant.
Dimensions and installation dimensions Automatic balancing valves VBA0000E-T, body material - brass LS59-1, seal - EPDM, threaded:
| Model | L, mm | L1, mm | H, mm | H1, mm | A, mm | S, mm | G, inch | B, mm | C, mm |
| DN15 | 65 | 14,5 | 107 | 53 | Ø13 | 25 | 1/2″ | Ø55 | Ø63 |
| DN20 | 65 | 14,5 | 109 | 55 | Ø14 | 31 | 3/4″ | Ø55 | Ø63 |
| DN25 | 70 | 15 | 112 | 58 | Ø15 | 37,5 | 1″ | Ø55 | Ø63 |
Materials Automatic balancing valves VBA0000E-T, body material - brass LS59-1, seal - EPDM, threaded:
| № | Part name | Material |
| 1 | Body | brass LS59-1 |
| 2 | Seal | EPDM |
| 3 | Body seat | brass LS59-1 |
| 4 | Seal | EPDM |
| 5 | Core | brass LS59-1 |
| 6 | Bottom gasket | brass LS59-1 |
| 7 | Diaphragm | EPDM |
| 8 | Set screw | stainless steel 304 |
| 9 | Flat gasket | stainless steel 304 |
| 10 | Nut | stainless steel 304 |
| 11 | Seal | EPDM |
| 12 | Cover | brass LS59-1 |
| 13 | Impulse tube inlet pipe | brass LS59-1 |
| 14 | Spring | stainless steel 304 |
| 15 | Flat gasket | PTFE |
| 16 | Adjustment cap | brass LS59-1 |
| 17 | Seal | EPDM |
| 18 | Opening/closing lever | brass LS59-1 |
| 19 | Seal | EPDM |
| 20 | Locking screw | brass LS59-1 |
| 21 | Locking sleeve | brass LS59-1 |
| 22 | Locking ring | stainless steel 304 |
| 23 | Locking cap | brass LS59-1 |
| 24 | Stop ring | stainless steel 304 |
| 25 | Handwheel | ABS-plastic |
Specifications
Delivery
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