Stainless steel wafer check valve BRA.06.623 without spring – DN 250, L = 38 mm
Code: I06623250Product detailed description
Check valve for tight spaces
The BRA.06.623 valve is installed between the flanges of a DN 250 pipe (PN 6, PN 10, PN 16 and ANSI 150), where it takes up only 38 mm. It is suitable for heating and air conditioning (HVAC), water networks, compressed air, oils and hydrocarbons and the chemical and food industries; it handles water with up to 50% glycol and holds a drinking water approval. It is not intended for steam.
Design
- body, disc and plate of ASTM A351 CF8M stainless steel
- without spring – the disc closes under the backflow, minimum closing back pressure 0.3 bar
- PTFE sealing O-ring – according to the manufacturer no additional gasket is needed during installation
- centring profile, positioning hole and lifting eye make installation easier
- rounded disc that stops against the pipe wall for maximum opening and low pressure loss, Kv 1670 m³/h
- weight 12.4 kg
Pressure, temperature and installation
For water and non-hazardous liquids the maximum pressure is 25 bar, for non-hazardous gases in DN 250 it is 16 bar; the valve is not intended for hazardous gases. The temperature range of the PTFE seal is -20 to +200 °C, and the permissible pressure decreases as the temperature rises. The valve is unidirectional – it is installed according to the arrow on the body in a straight section as far as possible from elbows, bends and pumps. The bolts are tightened gradually in a cross pattern; dismantling and maintenance must not be carried out under pressure. If you need installation in any position, choose the spring version BRA.M6.623 PR (code M6623250).
Technical data
| Code | I06623250 |
| Manufacturer | IVAR |
| Type | BRA.06.623 |
| Nominal size | DN 250 |
| Face-to-face length | 38 mm |
| Version | without spring |
| Max. pressure | 25 bar (water, non-hazardous liquids) |
| Temperature range | -20 °C to +200 °C |
| Installation between flanges | PN 6 / PN 10 / PN 16, ANSI 150 |
| Body and disc material | ASTM A351 CF8M stainless steel |
| Seal | PTFE |
| Min. closing back pressure | 0.3 bar |
| Kv | 1670 m³/h |
| Weight | 12.4 kg |
| Approval | drinking water |
Frequently asked questions
Can the valve without spring be installed in a vertical pipe?
The technical data sheet allows horizontal and vertical installation, but the minimum opening pressure depends on the size and installation position. If you need a completely free position, choose the spring version BRA.M6.623 PR.
Which flanges does the DN 250 valve fit between?
The centring profile allows installation between PN 6, PN 10 and PN 16 as well as ANSI 150 flanges. The valve is placed between the flanges and clamped with the flange bolts.
Is the valve suitable for systems with glycol?
Yes, the manufacturer lists it for water with up to 50% glycol. It is not suitable for steam or hazardous gases.
Where should the valve be placed in the pipe?
In a straight section as far as possible from elbows, bends and circulating pumps, so that no turbulence occurs at the valve.
Additional parameters
| Category: | BRA.06.623, BRA.M6.623 PR - check valves - horizontal, stainless steel |
|---|---|
| Warranty: | 2 years |
| Weight: | 12.4 kg |
| Nominal size (DN): | DN 250 or more |
| Valve / fitting type: | non-return flap / valve |
| Body material: | stainless steel |
| Code: | I06623250 |
| Manufacturer: | IVAR |
| Type: | BRA.06.623 |
| Nominal size: | DN 250 |
| Face-to-face length: | 38 mm |
| Version: | without spring |
| Max. pressure: | 25 bar (water, non-hazardous liquids) |
| Temperature range: | -20 °C to +200 °C |
| Installation between flanges: | PN 6 / PN 10 / PN 16, ANSI 150 |
| Body and disc material: | ASTM A351 CF8M stainless steel |
| Seal: | PTFE |
| Min. closing back pressure: | 0.3 bar |
| Kv: | 1670 m³/h |
| Weight: | 12.4 kg |
| Approval: | drinking water |
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IVAR designs, develops and manufactures highly energy-efficient heating and plumbing systems. We have over 10,000 catalogue items - mass-produced products and unique items - in addition to customised systems and combinations of complex products. And it’s all “Made in Italy”.
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