Stv delivered ANSI B16.5 WN RF Welding Neck Flange to Thailand
Product Name Class 150 ANSI B16.5 WN RF Welding Neck Flange Material Stainless steel:ASTM A182 F304, F316L, F321, etc Duplex steel:S31803, S32205, S32750, etc Size DN10-DN3600 Pressure 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB Standard ASME, ANSI, JIS, DIN, etc Connection Butt welded or threaded Certificate ISO/PED Type Slip-on, Lap joint, Welding neck, Socket welding, Threaded, […]
How to Repair a Gate Valve
For stainless steel gate valves, the valve is disconnected from the valve stem and the spool due to corrosion, wear or improper operation during opening and closing. After the valve is closed, it cannot be opened. It can only be replaced after it is cut out from the system. If it cannot be cut out […]
what is the causes of ball valve leakage
There are many kinds of stainless steel ball valves, each of which has different uses. When choosing ball valves, we should know what kind of Ball Valves we need. Ball valve is essential, and there will be some leakage problems such as failure. Today I will tell you the reasons for the leakage of ball […]
Differences Between a Ball Valve & a Butterfly Valve
Everyone knows that there are many types of ball valves, including this butterfly valve. Then the well-known difference between a ball valve and a butterfly valve is its opening and closing member. The opening and closing member of the butterfly valve is a block plate, and the ball valve is a ball. They all rotate […]
Why are forged steel valves black?
Not all forged steel valves are black, such as stainless steel forged steel valves will not be black. You may refer to a forged steel valve made of A105 material, which is phosphatized and blackened for rust prevention. Generally, the forged steel valve of A105 material is generally phosphating black.
