Piusi Plastic Non Return Valve – F15749000 | 1" BSP Spring-Loaded Check Valve with Safety Relief

The Piusi Plastic Non Return Valve (F15749000) is a high-quality 1" BSP spring-loaded check valve designed to prevent reverse flow in diesel, HVO, XTL synthetic diesel, petrol, and oil transfer systems. Manufactured by PIUSI in Italy, this durable valve features an integrated 3.5 bar safety relief valve that automatically relieves excess pressure caused by thermal expansion or pressure surges, helping to protect pumps, hoses, flow meters, and fuel dispensing equipment.

Constructed from a robust acetal resin body with a stainless steel spring and Viton® seals, the valve offers excellent chemical resistance, low pressure loss, and long service life. Its 1" Female BSP inlet and outlet connections make it easy to install in fuel transfer pumps, suction lines, bowsers, and bulk fuel storage systems.

Key Features

• Genuine PIUSI Plastic Non Return Valve
• Part Number: F15749000
• 1" Female BSP x 1" Female BSP
• Spring-loaded one-way check valve
• Integrated 3.5 Bar safety relief valve
• Prevents reverse fuel flow
• Protects pumps and dispensing equipment
• Low pressure drop for efficient fuel transfer
• Acetal resin body
• Stainless steel spring
• Viton® seals for excellent chemical resistance
• Heavy-duty construction for professional use

Specifications

• Brand: PIUSI
• Model: Plastic Non Return Valve
• Part Number: F15749000
• Connection: 1" Female BSP x 1" Female BSP
• Valve Type: Spring-Loaded Check Valve
• Body Material: Acetal Resin
• Spring Material: Stainless Steel
• Seal Material: Viton®
• Opening Pressure: 0.05 Bar (0.73 PSI)
• Safety Relief Pressure: 3.5 Bar

Suitable Fluids

Compatible with:

• Diesel
• HVO (Hydrotreated Vegetable Oil)
• XTL Synthetic Diesel
• Petrol (Gasoline)
• Lubricating Oil

Ideal Applications

Perfect for:

• Diesel transfer pumps
• Fuel storage tanks
• Fuel bowsers
• Agricultural machinery
• Commercial vehicle refuelling
• Fleet fuel management
• Generator fuel systems
• Industrial fuel transfer
• Workshop fuel dispensing systems
• Suction and delivery fuel lines

Why Choose the Piusi F15749000?

The Piusi F15749000 Plastic Non Return Valve is engineered to improve the safety and reliability of fuel transfer systems by preventing reverse flow while automatically relieving excess pressure within the fuel line. Its integrated safety valve helps reduce the risk of damage caused by thermal expansion, water hammer, or pressure spikes, ensuring smoother operation and longer service life for pumps and dispensing equipment. Built to PIUSI's renowned quality standards, it is an ideal solution for professional fuel handling applications.

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