F51 Duplex Steel DBB Ball Valve

NSV F51 Duplex Steel DBB Ball Valve

This NSV Forged Dual Block and Bleed (DBB) Ball Valve is a compact, high-integrity isolation valve designed for critical oil & gas and petrochemical applications. It features an ASTM A182 F51 Duplex Stainless Steel body for superior strength and corrosion resistance. The integrated DBB design ensures reliable double isolation and safe cavity venting in a single unit, significantly reducing weight and leak paths compared to traditional setups.

Key Features

Wide Range: Covers sizes 2"-24" (DN50-DN600) and pressure classes 150-1500 for versatile application.

Duplex Material: Body made of ASTM A182 F51, offering high yield strength and excellent resistance to chloride stress corrosion cracking.

DBB Design: Double Block and Bleed functionality provides double isolation with a single valve body, saving space and weight.

Fire Safe: Designed to meet API 6FA / API 607 fire-safe standards for enhanced safety.

Anti-Static & Anti-Blowout: Built-in anti-static device and blow-out proof stem ensure operational safety.

Typical Applications

Widely used in offshore platforms, subsea pipelines, and chemical processing systems where high pressure, corrosion resistance, and zero-leakage isolation are critical.

FAQ

1.Q: What’s the brand of your company can supply ?

A:NSV or OEM service

2. Q:What’s the packing for shipping?

A:Its carton for small valves(sample) and plywood case(don’t to fumigate).

9. Q: I want to be registered as your agency.?

A: Defined inspection and manager’s approval shall be required for being registered as the company’s agency. For specific application method, please consult with sales team. If you are registered as the company’s agency, “Agency Certificate” will be issued.

4. Q:Do you have customized valve?

A:Yes,we can supply customized valves.