Metal Seated Ductile Iron CF8 CF8m Wafer Lug Type Butterfly Valve for Water Treatment Project

• Customization: Available
• Media: Gas, Water, Steam
• Driving Mode: Manual, Electric, Hydralic, Pneumatic
• Structure: Centre Sealing
• Seal Form: Metal and Hard Sealing
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Hard Weld
• Valve Body: Casting
• Standard: API609 En593 BS5155 En1092 ISO5211
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Delivery Time: 15-25 Days
• Disc Material: Di/Nylon/1.4469/1.4529/Saf2205/2507/CF8/CF8m etc
• Seat Material: NBR/EPDM/PTFE/Viton/Silicone etc
• Coating: Customized
• End Standard: Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F
• Materials: Carbon Steel, Stainless Steel, Aluminum Bronze
• Shutoff Tightness: Zero Leakage
• Transport Package: Wooden Case
• Specification: customized
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10000PCS/Year

Product Description

Metal hard seal butterfly valve manufacturer, factory and supplier. Metal hard seal butterfly valve is triple eccentric design.No matter at low temperature and high temperature, Metal hard seal butterfly valve has excellent sealing performance and corrosion resistance. With long life and s o on, the strength is high, the overflow area is large, the flow resistance is small, Metal hard seal butterfly valve has the function of two-way sealing, Metal hard seal butterfly valveis not restricted by the flow direction of the medium, and is not subject to the space position. This butterfly valve can be installed in any direction.



• Triple offset geometry
• Integral metal seal ring sealing
• Zero Leakage for both way
• Anti-blow out shaft
• Fire safe design to API607
• Replaceable Seat & Disc Sealing
• 0°-90°control, no jump area
• Friction free



Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of seal is poor, but it has high temperature resistance, wear resistance and good mechanical performance. For example: steel+steel; Steel+copper; Steel+graphite; Steel+alloy steel. The steel here may also be cast iron, cast steel, alloy steel or alloy for surfacing and spraying.









Applications of Metal Seat Butterfly Valves

Metal Seated Butterfly Valve is widely used in petroleum, natural gas, piped gas and medicine, food industry, industrial environmental water treatment and shipping industry.

Application standards
Valve Marking: MSS-SP-25
Design & Manufacture: API 609, EN 593
Face to Face Dimension: API 609, ISO 5752, EN 558
End Connection: ASME B16.5, ASME B16.47, EN 1092, JIS B2220, GOST 12820
Test and Inspection: API 598, EN 12266, ISO 5208

 

 Material of Metal Seated Butterfly Valves
 

No	Part	Material
1	Body	ASTM A351 CF8
2	Seal Ring	Graphite + SS304
3	Retainer Flange	ASTM A182 F304
4	Pin	ASTM A276 304
5	Disc	ASTM A351 CF8
6	Stem	ASTM A276 304
7	Stem Packing	Graphite
8	Stem Beating	SS304 + PTFE
9	Bolt	ASTM A193 B8
10	Nut	ASTM A194 8
11	Yoke	ASTM A216 WCB