D641X Pneumatic Dust 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.: D641X
• 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

use

The pneumatic soft sealing flanged butterfly valve is composed of rubber sealing butterfly valve and carbon steel or stainless steel valve plate and valve stem. Suitable for temperature ≤120ºC such as textile, paper, food, medicine, chemical industry, petroleum, power, water supply and drainage, gas pipelines for regulating flow and intercepting media.

Main features

1, novel design, reasonable, unique structure, light weight, fast opening and closing.
2. Small operating moment, easy operation, labor-saving dexterity.
3, can be installed in any position, easy maintenance.
4, the seal can be replaced, the sealing performance is reliable to achieve bi-directional sealing zero leakage. 5, sealing material aging resistance, corrosion resistance, long service life and other characteristics. Standard flange connection size :GB/T9113.1-2000; GB/T9115.1-2000; JB78 Structure length :GB/T12221-1989 Pressure test :GB/T13927-1992; JB/T9092-1999

Executive agencies

Using a new series GT type pneumatic actuator, there are double acting and single acting (spring return), gear transmission, safe and reliable; Large diameter valve adopts series AW type pneumatic actuator fork transmission, reasonable structure, large output torque, double acting and single acting.
1, gear type double piston, output torque is large, small volume. 2, cylinder selection of aluminum gold material, light weight, beautiful appearance. 3. Manual operation mechanism can be installed at the top and bottom. 4, rack type connection can adjust the opening Angle, rated flow. 5, the actuator can choose live signal feedback indication and various accessories to achieve automatic operation. 6. IS05211 standard connection provides convenience for the installation and replacement of the product. 7, both ends of the adjustable screw can make the standard product in 0° and 90° have a ±4° adjustable range. Ensure the synchronization accuracy with the valve. The options of accessories according to different control and requirements can choose the following accessories: cut off type accessories: single electronically controlled solenoid valve, double electronically controlled solenoid valve, limit switch return signal. Regulator accessories: electrical positioner, pneumatic positioner, electrical converter. Air source processing accessories: air filter pressure reducing valve, air source processing triplet. Manual mechanism: HVSD manual operation mechanism

Main technical parameters

 

Nominal diameter	DN (mm)	50 to 1200
Nominal pressure	PN (MPa)	0.6	1.0	1.6
Test pressure	Strength test	0.9	1.5	2.4
Seal test	0.66	1.1	1.76
Gas seal test	0.6	0.6	0.6
Applicable medium	Air, water, sewage, steam, gas, oil, etc.
Driving form	Manual, worm and worm gear drive, gas drive, electric drive.

Material of main parts

 

Part name	Materials
Body	Ductile cast steel, cast steel, alloy steel, stainless steel
Butterfly plate	Gray cast iron, spheroidal cast steel, cast steel, stainless steel and special materials
Sealing Rings	Various rubber, tef-lon
Valve stem	2Cr13, stainless steel
Stuffing	O-ring, flexible graphite O