Description
The 1-Way Breather Cap is engineered to maintain safe vacuum relief in closed tank systems. Constructed entirely from durable polyethylene, this breather cap features 2″ NPT external threads that screw securely into the tank’s bung opening. Its self-regulating internal valve opens under preset vacuum or pressure conditions to prevent tank collapse and over-pressurization.
Designed for reliability and chemical resistance, this cap is equipped with Viton and Nitrile seals and is UN approved, making it suitable for a wide range of fluid handling applications including lubricants, DEF, and other compatible chemicals.
Key Features
-
1-Way Vacuum Relief: Protects tank structure by allowing air intake under vacuum.
-
Vacuum Pressure Activation: Valve opens at less than 0.5 PSI differential.
-
Positive Pressure Release: Valve opens at 1.5 PSI differential to release excess pressure.
-
All-Poly Construction: Durable and chemical-resistant for long-term reliability.
-
2″ NPT External Threads: Fits standard tank bungs with secure threading.
-
Self-Regulating Valves: Automatic operation without manual intervention.
-
Premium Seals: Viton and Nitrile components for wide chemical compatibility.
-
UN Approved: Meets stringent safety standards for transport and storage use.
Shipping & Warranty
Ships FOB from Idaho (Zip Code: 83605). Qualifies for small parcel shipping. Combine with tank kits or fittings for consolidated delivery.
Covered by a 1-Year Limited Warranty against material or manufacturing defects under normal usage.
Price Match Guarantee
If you find this 1-Way Breather Cap at a lower price from an authorized retailer within 6 months of your purchase, we’ll match the price and refund the difference.
Contact: info@tanksupplydepot.com