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McDonnell & Miller 181905LF 250-3/4-60 Pressure Relief Valve

McDonnell & Miller 181905LF 250-3/4-60 Pressure Relief Valve

Brand: McDonnell & Miller SKU: 181905LF
Regular price $324.95 USD
Regular price Sale price $324.95 USD
Sale Out of Stock - Call to Order
Ships Direct from Distribution β€” Dispatches in 24–48 Hrs
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Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)181905LF
Model Designation250-3/4-60
Connection Size3/4" NPT

Protect your hydronic heating system from over-pressurization with the McDonnell & Miller 181905LF pressure relief valve. This high-quality 250-3/4-60 model acts as a critical safety device, designed to automatically discharge fluid when system pressure exceeds the preset limits, effectively preventing equipment failure and catastrophic damage.

The mechanism operates through a spring-loaded seat that maintains a tight seal during normal operation. As the pressure rises toward the set threshold, the internal spring compresses, allowing the valve to open and relieve the excess capacity, ensuring the system remains within safe operating parameters before reseating tightly once pressure drops.

Key System Performance Baselines:

  • Pressure Setting: Factory calibrated for precise threshold engagement.
  • Connection Type: Standard 3/4 inch NPT inlet/outlet for easy piping integration.
  • Durability: Built to withstand industrial hydronic heating environments.
  • Compliance: Engineered to meet rigorous safety standards for pressure-rated equipment.

⚠️ Application Profile: Ideal for use in commercial and residential hydronic heating boilers, hot water supply tanks, and closed-loop liquid systems requiring reliable ASME-rated pressure protection.

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