All valves shall meet API-609 MSS-SP-67 ISO 5272 face-to-face dimensions. Valve sizes from 2" to 12" are rated at 200 psig WOG service and valve sizes from 14" to 30" are rated at 150 psig WOG service. All valves are full rated on dead-end service. All bodies shall be ductile iron 65-45-12 and bi-directional tested in both directions and be bubble tight with zero leakage. Lug bodies shall be full lug rated and all bodies shall be suitable for ANSI 125/150 lb, JIS, DIN or B.S. Flanges. Secondary seals shall be self-adjusting. All elastomers, all internal bearings shall be non-corrosive and non-metallic. All seats shall be suitable for 250°F sustained high temperature and capable of 2000 PPM on chlorinated applications.
Advantages of Butterfly Valves:
• Open and close easily and quickly, effort, fluid resistance issmall, can operate frequently.
• Simple structure, small size and light weight. • It can carry mud, with the least accumulation of fluid in thepipeline opening.
• Low pressure, it can achieve a good sealing. • Good regulating performance.Many different types of valves are used in flow control. They are used for a variety of reasons, such as phase (liquid or gases), pressure, piping restrictions and solids content. Other valves are chosen for their capability to open and close in a quarter turn. Of all the valve types, the butterfly valve is used as a control device for many reasons including some or all of the above.
This article explains the workings of a butterfly valve and its operation. The butterfly valve offers many advantages that include quarter-turn, openness for less plugging and good control capabilities. Both manual and control versions are used.
As a professional cast steel ball valve suppliers, MSTNLAND has high-quality cast steel ball valves for sale. Welcome to contact us if needed. There are many ball valve manufacturers, but we are one of the best choices for you. ...
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The stainless steel has much better physical properties then iron and normal steel, but it possesses worse casting properties. Because the stainless steel has higher melting temperature point, by the liquid form it has worse flowability and bigger shrinkage ratio, and more ...
CNC Machining or Not: Cnc Machining Type: Broaching, DRILLING, Etching / Chemical Machining, Laser Machining, Milling, Other Machining Services, Turning, Wire EDM, Rapid Prototyping Material Capabilities: Aluminum, Brass, Bronze, Copper, Hardened Metals, Precious Metals, ...