Controllable anti-pollution check valve EA type, RV284
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Check valves of this type are for use as an independent means of preventing reverse water flow. They can also be used for industrial, commercial and similar systems where back pressure, back flow and back syphonage must be prevented. The classicfications of appliances to meet these requirements are specified in EN 1717. |
| Approvals | DIN/DVGW |
| Media | Water |
| Body material | brass |
| Max. media temperature | 70 oC |
| Static pressure | PN25 |
| Mounting position | horizontal |
| Additional description |
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| Port connection type | Port diameter | DN size | Flow capacity Kvs | Type | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | mm | |||||||||||||||||||
| internal threads | 1/2 | 15 | 1.6 | RV284-1/2A  | ||||||||||||||||
| internal threads | 3/4 | 20 | 3.4 | RV284-3/4A | ||||||||||||||||
| internal threads | 1 | 25 | 6.4 | RV284-1A | ||||||||||||||||
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| Port connection type | Port diameter | DN size | Flow capacity Kvs | Type | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | mm | |||||||||||||||||||
| coupling compressing fitting | — | 15 | 1.6 | RV284-15B | ||||||||||||||||
| coupling compressing fitting | — | 20 | 3.4 | RV284-20B | ||||||||||||||||
| coupling compressing fitting | — | 25 | 6.4 | RV284-25B | ||||||||||||||||
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