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Afpumps flanged ball check valve DN 250 PN 16
RS.26.185
Afpumps flanged ball check valve DN 250 PN 16
Characteristics and applications
Check valve with spherical ball shutter produced by Afpumps. Extreme reliability both in vertical and horizontal position thanks to their constructive simplicity and absence of mechanisms.
The principle is based on the free movement of the "ball" inside the valve body and the particular design of the ball guide and of the delivery duct guarantees a completely open passage without bottlenecks or roughness that could stop any solid material.
Operating limits
Maximum working pressure 10
barLiquidtemperature
-10/+80°C
Description
The ball of the valve has a low inertia and therefore the opening pressure of the check valve is about half of a clapet valve, the opening position of the duct is obtained without the use of springs or other mechanical means.
In order to obtain both a perfect seal and a silent closing, the "ball" is made of phenolic resin or coated with nitrile rubber resistant to clean fresh or sea water, sewage or rainwater even with hydrocarbon residues.
The extreme conceptual simplicity of the valve makes it maintenance free
Overall dimensions and weights
| Code | RS.26.185 |
| DN | 250 |
| PN | 16 |
| H (mm) | 600 |
| L1 (mm) | 420 |
| D | 405 |
| DX | 355 |
| n°F | 12 |
| ØF | 25 |
| Sp. | 30 |
| G | 4 |
| KV (m³/h) | 3307 |
| Weight (kg.) | 155 |
Materials of Construction
| Pos. | Description | Material |
| 1 | Valve Body | Cast iron GGG 40 |
| 2 | Valve cover | |
| 3 | Ball | Aluminum + NBR |
| 4 | O. Ring cover | NBR |
| A2 stainless steel screws | ||
| Epoxy painting RAL 5017 µ | ||
Product Details
RS.26.185
3 Items
New product
Afpumps flanged ball check valve DN 250 PN 16
Characteristics and applications
Check valve with spherical ball shutter produced by Afpumps. Extreme reliability both in vertical and horizontal position thanks to their constructive simplicity and absence of mechanisms.
The principle is based on the free movement of the "ball" inside the valve body and the particular design of the ball guide and of the delivery duct guarantees a completely open passage without bottlenecks or roughness that could stop any solid material.
Operating limits
Maximum working pressure 10
barLiquidtemperature
-10/+80°C