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Entries by STVVALVE

STV Delivery A lot of Carbon Steel Y Strainer

November 23, 2019 in , /by

We finished and delivered Ansi 150, Carbon Steel Y Strainer Purchase Order Number: STV20191005Requested the valve inside & outside to be done painting Product description:Available in PN16/40 or ANSI 150lb  flanged,JIS Flangesizes: 1/2″ to 24″Temperature range: -29 to 560°C .Pressure rating: DIN PN16-PN40 or ANSI 150LB-1500LB,JIS10K-30KBody Material,WCB,CF8,CF8M,WC6 AND WC9 Etc. Materials:Body: ASTM A216 WCBTrim: 304SRCEEEN: 316LGASKET: 304 + GraphiteStud/Nut: A193 B7 / A194 2HConnection: RF acc. to ASME B16.5Size: 4 InchClass: 150 LBQty: 60 PCS

Stv delivered ANSI B16.5 WN RF Welding Neck Flange to Thailand

November 4, 2019 in /by

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

November 1, 2019 in /by

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

October 30, 2019 in /by

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

October 30, 2019 in /by

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?

October 28, 2019 in /by

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?

October 28, 2019 in /by

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 […]