AFC Twin Isolation Lubricated Plug Valve is a reliable, double isolation plug valve with two independent obturators in a single body. It is ideal for double block and bleed applications.
The oil and gas industry is no longer satisfied with the shut-off provided by conventional double block and bleed ball, gate or plug valves. True double block has become a prime requirement as safety standards are raised throughout the industry, especially where it is necessary for an operator to work downstream (or upstream) of the valve. A further advantage of true double isolation (where the first plug gives complete isolation), is that the bleed point can be used to verify that no contamination has occurred when more than one type of line medium has passed down the pipeline.
AFC Valve is one of most leading China Valve manufacturers and suppliers with more than 10 years exporting experience. Enough exporting experience means we are more famialer with international standards and markets than others. Lubricated twin plug valve is designed for use in critical services where, verifiable tight shutoff is demanded.
The design of the Twin Plug Valve is very compact with focus on space and weight savings. Furthermore, the design has far less possible leak paths compared to the conventional Double Block & Bleed Valve assemblies.
As a secondary seal, the valve is provided with a lubrication system which allows feeding a special lubricant into the valve while the valve is in operation. Besides, sealing, the purpose of the lubricant is to protect the internals of the valve against corrosion and wear as well as reducing the valve torque.