Hoffman 401458 Model 43 Non-Vacuum Air Valve
Hoffman 401458 Model 43 Non-Vacuum Air Valve
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 401458 |
| Model Designation | Model 43 |
| Valve Type | Non-Vacuum Air Valve |
Efficiently manage trapped air in your steam heating system with the high-performance Hoffman Model 43 air valve. This non-vacuum component, identified by part number 401458, plays a critical role in maintaining system pressure and heat distribution by allowing air to vent freely during the heating cycle while closing securely upon contact with steam.
The internal thermostatic element is engineered to respond rapidly to temperature changes. When air is present, the valve remains open to permit venting; as soon as steam reaches the valve, the precision-calibrated bellows expand to seal the port, preventing steam leakage and ensuring your radiators operate at peak efficiency.
Key System Performance Baselines:
- Automatic Venting: Ensures consistent system operation by purging air effectively.
- Positive Sealing: Precision-engineered bellows prevent steam loss during the heating cycle.
- Durable Construction: Built to withstand the demands of residential and commercial steam applications.
⚠️ Application Profile: Ideal for single-pipe steam heating systems, radiator venting, and residential steam boiler piping configurations where non-vacuum venting is required.
