at Pneumatic Triple Eccentric Metal Hard Seal Worm Gear Operation Cast Steel Wcb 304 150lb 10K Butterfly Valve D643h-16c DN150 DN200 DN250

• Media: Gas
• 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-16C DN100
• 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
• Application: Industrial Usage, Water Industrial Usage
• Sales Volume: 5000sets
• Supply Capacity: 10000sets
• Gross Margin: 10%
• Inventory: 8000sets
• Seat: EPDM/ NBR/Nr/PTFE/Peek / Steellite
• Transport Package: Wooden Case
• Specification: 0.2ml³
• Trademark: BDV
• Origin: Wenzhou China
• HS Code: 8481804090
• Production Capacity: 5000
• Package Size: 25.00cm * 60.00cm * 60.00cm
• Package Gross Weight: 60.000kg

Product Description

Product Description

The main advantages of pneumatic flange butterfly valve are simple structure, small size, light weight, low cost, and this feature is particularly significant. It is installed in high-altitude tunnels and is easy to operate after being controlled by a two position five way solenoid valve, The flow medium can also be adjusted. 

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	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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