Materials
- Body, bonnet, disc and seat: bronze CC491K.
Swing Check Valve
HERZ 2622 Bronze Swing Check Valve
2622 Series — Bronze Threaded PN20, DN15–DN50
HERZ 2622 Bronze from HERZ Armaturen is a compact bronze swing check valve with female threaded connections for heating, cooling, chilled water, and domestic water systems, DN15 to DN50.
Manufactured by
HERZ Armaturen
HERZ 2622 Bronze Swing Check Valve
Review the confirmed product information, including description, features, benefits, and applications.
The HERZ 2622 Bronze Swing Check Valve from HERZ Armaturen is designed to prevent reverse flow in closed-loop systems such as heating, cooling, and plumbing installations.
Manufactured from bronze (CC491K), the valve ensures high corrosion resistance and operational reliability. Its self-acting disc allows one-directional flow with minimal pressure loss. The valve is maintenance-free, can be installed in any position, and is suitable for non-aggressive media including hot and cold water or compressed air.
Pressure & Temperature
- Nominal pressure: PN20.
- Temperature range: -10°C to +110°C; for water 0.5°C to 95°C, no steam.
- Medium: water, compressed air and non-aggressive fluids; glycol mixtures of 25–50%.
Connection & Sizes
- Female thread to ISO 228.
- Sizes DN15 to DN50 (½" to 2").
- Design standard: EN 12288 / BS 5154.
Design & Installation
- Automatic swing type disc.
- Flow direction marked with an arrow on the body.
- Can be installed in any position.
Sizes & Dimensions
Dimensions in mm. A and B as shown in the HERZ datasheet drawing (3 2622 0X, issue 1220).
| DN | Connection | PN (bar) | A (mm) | B (mm) |
|---|---|---|---|---|
| 15 | ½" | 20 | 34.5 | 14 |
| 20 | ¾" | 20 | 37.5 | 17.5 |
| 25 | 1" | 20 | 45 | 23 |
| 32 | 1¼" | 20 | 50 | 27 |
| 40 | 1½" | 20 | 56 | 31 |
| 50 | 2" | 20 | 72 | 41.5 |
Corrosion-Resistant Bronze
Compact, corrosion-resistant bronze construction.
Low Head Loss
Reliable sealing with low head loss in the fully open position.
Maintenance-Free
Maintenance-free and quiet operation.
Any Installation Position
Suitable for vertical or horizontal installation.
Broad Compatibility
Compatible with heating, cooling, and plumbing systems.
HERZ 2622 bronze swing check valves suit heating, HVAC, and chilled water systems where flow in only one direction is required.
Hot & Cold Water Systems
Domestic hot and cold water systems.
HVAC & Chilled Water Circuits
HVAC and chilled water circuits.
General Water Services
General water services.
Mechanical & Plumbing Networks
Building mechanical and plumbing networks.
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