Cast Stainless Steel or Iron Lug, Wafer & Flange RF Industrial Butterfly Valve for Control with Pneumatic Actuator Aw-130s

• Media: Water
• Driving Mode: Pneumatic
• Connection Form: Flange
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: D643H-25C DN450
• Structure: Three-Eccentric Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Casting
• Standard: GB Asim JIS DIN
• Application: Industrial Usage, Water Industrial Usage
• Sales Volume: 5000sets
• Supply Capacity: 10000sets
• Gross Margin: 10%
• Inventory: 8000sets
• Seat: Steel
• Transport Package: Wooden Case
• Specification: 0.2ml³
• Trademark: BDV
• Origin: Wenzhou China
• HS Code: 8481804090
• Production Capacity: 5000
• Package Size: 30.00cm * 70.00cm * 100.00cm
• Package Gross Weight: 125.000kg

Product Description

Product Description

Pneumatic flange butterfly valve, equipped with a pneumatic actuator. The execution speed of the pneumatic actuator is relatively fast and does not require manual labor, which greatly saves human resources and time. The main advantages of pneumatic flange butterfly valve are simple structure, small size, light weight, low cost, and this feature is particularly significant. 

name	description
material quality	carbon steel  , stainless steel
pressure	0.6mpa~4mpa
caliber	DN40~DN450
temperature	-29°C ~425°C
medium	water  ,Steam ,oil
Connection method	wafer,flange,
Driving method	manual,electric,pneumatic

Detailed Photos

Product Parameters

Nominal diameter: DN (mm), 50-800

 

Nominal pressure: PN (MPa): 0.6, 1.0, 1.6

 

Test pressure: Strength test: 0.9, 1.5, 2.4

 

Sealing test: 0.66, 1.1, 1.76

 

Air tightness test: 0.6, 0.6, 0.6

 

Applicable media: air, water, sewage, steam, gas, oil, etc.

 

Drive form: manual, worm gear transmission, pneumatic transmission, electric transmission.

 

Valve body: ductile iron, cast steel, alloy steel, stainless steel

 

Butterfly plate: cast steel, stainless steel, and special materials

 

Sealing ring: various types of rubber, PTFE

 

Valve stem: 2Cr13, stainless steel

 

Filler: O-ring, flexible graphite O

 

Standard specifications for butterfly valves:

 

Design standard: GB/T2238-1989

Flange connection size: GB/T9113.1-2000; GB/T9115.1-2000; JB78

Structural length: GB/T12221-1989

Pressure test: GB/T13927-1992; JB/T9092-1999

 

Technical parameters:

Medium: water, gas, oil, and corrosive fluids

Air pressure: single acting (5-7bar); Double acting (4-7bar)

 

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