AS/BS Standard Flange BS4504 flange
The most popular types of flanges includes code 101, 102, 105, 111 for standard BS4504.
BS4504 large Special Flange will be used in different areas, has a special meaning and siginificance in the industry, play an important role in the machinery industry and value, in the correct way to connect and method. High pressure large flange connection steel gate valve product structure features:
1. high pressure large flange connection steel gate valves conform to the requirements of domestic and international advanced standard, reliable sealing, excellent performance, beautiful appearance.
2. disc and seat sealing surface with iron base alloy welding or department too stand (stellite) cobalt-based hard alloy surfacing and become, wear-resisting, high temperature resistance, corrosion resistance,good abrasion resistance, long service life.
3. high pressure large flange valve stem after quenched and tempered and surface nitriding treatment, has the good corrosion resistance and abrasion resistance.
4. gate using wedge flexible disc struture , large diameter set the rolling bearing, friction small, easy opening and closing.
5. can be used in a variety of piping flange standards and flange seal face type, can meet the needs of all kinds of engineering and the user requirements.
The industrial processes come into die forging,and machining,we can provide a wide range of BS4504 flanges,following on standards like ASME B16.5 Flange , ASME B16.47 Flange, DIN 2573 Slip On Flange, DIN 2631 Welding Neck flange, JIS Flange 5K SOP Flange and JIS Flange 10K SOH Flange. BS4504 flange is a type of flange that extends steel pipes, pipe fittings, etc into the flange and connects with equipment or pipelines through fillet welds. This flanges have short neck, which increases the strength of the flange and improves the bearing capacity of the flange. So it can be used on higher pressure pipelines.
ASME Flange include ASME B16.5 Flange, ASME B16.47-A Flange, ASME B16.47-B Flange, this standard system include slip on flange, blind flange, welded neck flange, Threaded Flange, lapped joint flange (loose flange), socket welded flange, B16.36 Orifice Flange, long Weld Neck Flange and special flange, sizes from 1/2 inch to 60 inch, class 150, class 300, class 600, class 900, class 1500, class 2500.
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