SD643h Pneumatic Telescopic Butterfly Valve

• Media: Water Vapor Oils
• Driving Mode: Electromanual Pneumatic
• Connection Form: Flange Welding
• Structure: Three-Eccentric Sealing
• Seal Form: Supercharging Pressured Sealed
• Valve Stem: Normal
• Model NO.: SD643H
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Sheet Metal
• Standard: National Standard
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Wooden Box
• Specification: DN50-DN2400
• Trademark: xc
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10000

Product Description

Pneumatic expansion butterfly valve,SD643H pneumatic expansion butterfly valve
Valve type: pneumatic telescopic butterfly valve valve
Model: SD643H
Size specification: DN50-1000mm
Installation form: flange type
pressure grade: 1.0-2.5MPa
Main material: cast steel WCB, carbon steel CS, stainless steel 304,316, etc.
Product name plate: Pu Die
Application range
pneumatic telescopic butterfly valve,SD643H pneumatic telescopic butterfly valve has a certain range of axial expansion, but also in a certain Angle range to overcome the pipeline docking is not coaxial offset, can greatly facilitate the installation and disassembly of the valve pipeline. It is suitable for food, beverage, pharmaceutical pure pipelines and industrial environmental protection, water treatment, high-rise buildings, water supply and drainage pipelines for opening and closing or regulating medium flow.
Pneumatic telescopic butterfly valve,SD643H pneumatic telescopic butterfly valve standard: flange
connection size GB4216.4-84; GB9115.8-8 structure
length GB12221-89 pressure
test GB/T13927-92; ZBJ16006-90
Pneumatic telescopic butterfly valve,SD643H pneumatic telescopic butterfly valve technical parameters

Nominal passthrough DN (mm)		50 to 1000		50 to 1000
Nominal pressure PN (MPa)		0.6	1.0	1.6
Seal test (MPa)		0.66	1.1	1.76
Strength test (MPa)		0.9	1.5	2.4
Applicable temperature	Soft seal	X:-40 ° C ~ 90 ° C; XF:-20ºC ~ 200ºC
	Hard seal	Carbon steel :-29ºC ~ 425ºC Stainless steel -40ºC ~ 650ºC
Applicable medium		Water, air, natural gas, oil and weakly corrosive fluids
Leakage rate		GB/T13927-92 compliant
Drive mode		Worm gear drive, electric, pneumatic, hydraulic

Material of parts

Part name	Materials
Body	Cast iron, cast steel, stainless steel, chrome-molybdenum steel, alloy steel
Butterfly plate	Cast steel, alloy steel, stainless steel, chrome-molybdenum steel
Sealing ring	Rubber, tef-lon, polyester, stainless steel
Valve stem	2Cr13, stainless steel, chrome-molybdenum steel
Telescopic tube	Cast iron, cast steel, stainless steel, chrome-molybdenum steel
Packing	Flexible graphite