RegO 8685G Pressure Relief Valve
(8685 Series – Primary Relief Valve for ASME Containers)
The RegO 8685G Pressure Relief Valve is designed for use as a primary relief valve on ASME containers, including 250, 500, and 1,000-gallon tanks. This valve is engineered to provide dependable overpressure protection in LPG and propane storage systems.
Under Underwriters’ Laboratories (UL) listings, container systems using this valve may be mounted outside the hood without additional protection, provided the valve is installed near the hood and fitted with the approved protective cap.
Key Features & Benefits
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Designed as a primary relief valve for ASME LPG containers
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Suitable for external mounting with protective cap
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High flow capacity for rapid pressure relief
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Robust brass and stainless-steel construction
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Reliable performance in agricultural, domestic, and autogas applications
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Manufactured to meet ASME and UL requirements
Applications
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LPG / Propane Storage Tanks
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Domestic Gas Installations
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Agricultural LPG Systems
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Autogas & Fuel Storage
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ASME Pressure Containers
Technical Specifications
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Brand: RegO
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Model: 8685G
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Series: 8685 Series
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Container Connection: 1 1/4″ Male NPT
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Start to Discharge Setting: 250 PSIG
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Flow Capacity (ASME, Air @ 120% Set Pressure): 4035 SCFM
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Flow Capacity (UL, Air @ 120% Set Pressure): 4385 SCFM
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Overall Height (Approx.): 11 1/16″
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Height Above Coupling (Approx.): 1 11/16″
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Hex Wrenching Section: 2 3/8″
Materials
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Body: Brass
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Spring: Steel
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Stem: Stainless Steel
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Seat Disc: Resilient Rubber
Accessories
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Protective Cap Included: 7585-40X
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