STV Valve delivery 600LB CF3 GATE VALVE
10PCS 10″ 600LB Flanged 316L (CF3) Gate Valves, 316L Trim, Lever Op and 20pcs 8″ 150LB 316 Ball Valves with Worm Gear Get in touch and give us your valve challenge. Cost Effective and quick solutions.
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How to Selection and installation of forged steel gate valve
Forged steel gate valve is mainly used to cut off or connect the medium in the pipeline, not for regulating or throttling. According to different methods, gate valve can be divided into parallel gate valve, wedge gate valve, lifting gate valve, rotary rod gate valve, quick opening and closing gate valve, necking gate valve, flat […]
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.
What is the torque of the hard seal ball valve?
Hard-sealed ball valves are also a type of wear-resistant ball valves. Today we will talk about the calculation of the torque of hard-sealed ball valves. The torque of the hard-sealed ball valve is also smaller than that of a soft seal such as F4 (fluoroplastic). Generally, the torque of a metal hard-sealed ball valve is […]
F91 Pressure forged steel self-sealing check valve
The forged steel check valve is a pressure self-tightening valve cover. The valve designed according to this design form has a valve body and a valve cover which are screwed, and the internal pressure is sealed by a self-sealing ring. The optional sealing discs are available in swing type, lift type, and ball type. The […]
What is the function of the foot valve?
The Foot valve consists of valve evaluation, disc, bonnet, bushing, sealing ring and other parts. See the water from the water source in the figure below from the bonnet to the valve body. Under the action of fluid pressure, the valve disc opens water. When the pressure in the outlet pipe closes the valve disc […]
