Brass check valves with a brass disc provide reliable protection against backflow in hydraulic systems. Constructed from heavy-duty brass with NBR sealing, they ensure durability, strength, and excellent performance in residential and industrial installations. Available with female threaded connections from 3/8" to 2" and rated PN16, these valves offer secure closure, long-lasting efficiency, and compatibility with water and non-aggressive fluids.
Parameter | Value |
|---|---|
Type | Check valve with brass shutter |
Series | HEXA® |
Article | Art. 2301 F/F |
Body material | Brass CW617N (Pb ≤ 2.2% DIN 50930T6) |
Disc material | POM (HOSTAFORM) |
Spring material | AISI 302 |
Gasket material | NBR |
Temperature limits | -5°C ÷ +110°C (without steam) |
Pressure limits | from 25 to 8 bar |
Minimum opening pressure | 0.02 bar |
Threaded connections | Female thread standard UNI ISO 228 |
Installation position | Horizontal, vertical, inclined |
Specific features | Reduced pressure loss, full flow, silent, long-lasting, excellent sealing |
Applications | Hydraulic systems, heating, boiler plants, heat pumps |
Certifications and tests | Directive 97/23/EC, 100% pneumatic test under electronic control |
Special versions | NBR gasket on request |
Available diameters | 3/8'' ÷ 4'' |
Flow rate Kv | from 2.7 to 170 (depending on diameter) |
Additional notes | Glycol allowed max 50% in water |
Filter by:
| Code | Description | Nominal Diameter (DN) | Nominal Pressure (PN) | Material | Closing | Brand | Seal | Availability | Your Price | Add |
|---|---|---|---|---|---|---|---|---|---|---|
| AIRVRIT480012 | Valvola di ritegno pesante ottone F.F. 1/2" | DN15 - 1/2 inch | 16 | Brass | Shutter | Effebi | NBR | Available | 13,00 € |
|
| AIRVRIT480034 | Valvola di ritegno pesante ottone F.F. 3/4" | DN20 - 3/4 inch | 16 | Brass | Shutter | Effebi | NBR | Limited quantity | 18,00 € |
|
| AIRVRIT480038 | Valvola di ritegno pesante ottone F.F. 3/8" | DN10 - 3/8 inch | 16 | Brass | Shutter | Effebi | NBR | Available | 14,00 € |
|
| AIRVRIT480100 | Valvola di ritegno pesante ottone F.F. 1" | DN25 - 1 inch | 16 | Brass | Shutter | Effebi | NBR | Limited quantity | 24,00 € |
|
| AIRVRIT480112 | Valvola di ritegno pesante ottone F.F. 1.1/2" | DN40 - 1 1/2 inches | 16 | Brass | Shutter | Effebi | NBR | Limited quantity | 48,00 € |
|
| AIRVRIT480114 | Valvola di ritegno pesante ottone F.F. 1.1/4" | DN32 - 1 1/4 inch | 16 | Brass | Shutter | Effebi | NBR | Limited quantity | 41,00 € |
|
| AIRVRIT480200 | Valvola di ritegno pesante ottone F.F. 2" | DN50 - 2 inches | 16 | Brass | Shutter | Effebi | NBR | Limited quantity | 72,00 € |
|
FAST SHIPPING
Within 48 hours of receiving payment
RETURNS
within 14 days of delivery
SECURE PAYMENTS
By bank transfer, credit card, and PayPal.
Other SENECA departments
AUTOMATION
Automation Interfaces | www.seneca.it
IMPIANTI
Engineering Division | www.senecaimpianti.it
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