Fire Safe Design Forged Stainless Steel Integrated Body Screw Vent Flanged Double Block and Bleed Floating & Trunnion Mounted Dbb Twin Ball Valve

Fire Safe Design Forged Stainless Steel Integrated Body Screw Vent Flanged Double Block and Bleed Floating & Trunnion Mounted Dbb Twin Ball Valve

* Size : 6inch
* Pressure : Class 300LB
* Connection : R.F Flange ends
* Operation : Gearbox operator
* Design and manufacture as per API6D
* Face to face dimension ANSI B16.10

Product Details

Using a complete scientific top quality management program, great high-quality and fantastic religion, we win great track record and occupied this area for Double Flange Butterfly Valve, Lug Triple Offset Butterfly Valve, Bidirectional Triple Offset Butterfly Valve. Our company starts business with morality and strives for innovation. Our company has been adhering to the excellent service concept for several years and win the support and praise of customers with good reputation, strong technical strength and perfect after-sales service system. A long-term development strategy and team building plan have been established since our establishment. Our products are high quality and low priced, and have received unanimous recognition and commendation from the industry. Also you are able to come to our business by yourself to get further knowing of us.

【Product Introduction】

Forged steel ball valve not only has a wide range of materials, but also the color of internal parts is made of nickel plated 316 material on the surface, and the sealing ring is made of special polymer material. 

The valve is not only anticorrosive, anti sulfurization, fire-proof, anti-static, and good sealing performance, with a wide range of operating pressure and temperature, complete full bore and reduced bore, and can be equipped with a variety of driving devices. It is an ideal valve selection for chemical and oil torch refining, natural gas production and transmission systems.


ZFV Forged Ball Valve

* Ball valve 6‘’-300LB

* Operation : Gearbox

* Structure : Trunnion Mounted type

* Side entry, RB

* Fire safe design, anti-static device

* Seal Structure : double block and bleed function, soft seal

* Application : oil gas pipeline application

* Painting applied as per technical requirement with finishing color white

* No Need Extended Stem

* Suitable Temperature : -29°C ~ 280°C

* Suitale Pressure 250Bar / 25Mpa

* Material : body ASTM A105, ball ASTM A182 F316, Soft sealing

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Working Principle

Forged Ball Valve is a valve with a spherical disc that controls the flow through it. The ball has a port through the middle so that when the port is aligned with the ends of the valve, the flow will pass through the valve. When the valve is closed, the hole is perpendicular to the end of the valve and the flow is blocked.

The trunnion mounted ball valve has additional mechanical anchoring at the top and bottom of the Forged Ball Valve for larger and higher pressure service. To ensure a tight seal at low pressure, a high tension spring forces the seat against the ball, while at higher pressures, the medium pressure pushes the upstream seat toward the ball.


Relying on our strong technical force and years of production experience, we continue to adopt new technologies, new processes, and new materials to make the technical indicators of our Fire Safe Design Forged Stainless Steel Integrated Body Screw Vent Flanged Double Block and Bleed Floating & Trunnion Mounted Dbb Twin Ball Valve reach the leading level in the industry. We strive to make excellent quality, meeting the needs of different users, and serving more companies and factories. Welcome to negotiate!

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