MstnLand's series of long welding neck flange is also known as long diameter flange, belongs to the American standard flange standard system. It is a form of ANSI flange and an extended form of neck butt welding flange. The flange neck is slightly straight cylindrical, and the neck height is 229mm or 305mm. The flange neck does not need to be processed. The groove can be customized according to the requirements of relevant standards hg20615‐2009 or the requirements of customers. Long welding neck flanges are frequently used in class series pipe flanges. When small‐size flanges or pipe flanges below DN50 are matched with the pipe body, the use of Long welding neck flanges can avoid the difficulty of welding caused by the thin wall thickness of the flange neck.
MstnLand is an international supplier and service provider of industrial valves and solutions. We integrate R&D, manufacture, resource integration and trade service into one, provide valve selection and procurement solutions for our clients with one-stop consultation and supply. Our industrial valves are widely used in petrochemical, general chemical, oil, gas, mining, refinery, power generation, general industrial, water conservancy, water treatment, paper making, marine, offshore, municipal engineering, heating, ventilation and etc.
The product line includes ball valves, butterfly valves, check valves, gate valves, globe valves, plug valves, safety valves, needle valves, gas valves, pipeline filters and so on, in various materials, sizes, standards and types. And in accordance with API, ASME, ASTM, ANSI, BS, DIN, JIS, ISO, GB standards.
FAQ:
Q: What is your products' MOQ?
A: MOQ≥1 set
Q: What is your products' warranty time?
A: Normally is 12 months, pls inform us if you want to extend the warranty time.
Q: Can you provide the sample for free?
A: Yes, we can provide the sample for free, but you need bear the delivery cost.
Q: Can you produce according to customers' own technical drawings?
A: Yes, we always can fully meet customers' special requirement.
WHY CHOOSE US?
1. Genuine products with excellent quality and competitive price.
2. Cooperating with customers all over the world from more than 60 countries and regions, knowing the markets very well.
3. We have been specializing in flow control area for more than 15 years. Everyone can be rest assured working with us.
4. After-sale services will be highly-satisfying. Any problem and feed backs will be answered in short time.