Gold Member Since 2011
Audited Supplier
Zhejiang Naibang Valve Co., Ltd.

Flange Butterfly Valve, Butterfly Valve, Double Eccentric Butterfly Valve manufacturer / supplier in China, offering Cast Steel Flanged Double Eccentric Butterfly Valve, Flanged Double Disc Swing Check Valve (H46), API 6D Cast Steel Butt Welded Trunnion Ball Valve and so on.

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Supplier Homepage Product Butterfly Valve Cast Steel Flanged Double Eccentric Butterfly Valve

Cast Steel Flanged Double Eccentric Butterfly Valve

Purchase Qty.:
10-99 100+
FOB Unit Price: US $200 US $5
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $200
100+ US $5
Get Latest Price
Port: Shanghai, China
Production Capacity: 8000PCS/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: D41X
  • Connection Form: Flange
  • Seal Form: Supercharging Pressured Sealed
  • Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
  • Material of Seal Surface: Metal Hard Sealed
  • Application: Industrial Usage, Water Industrial Usage
  • Class: 150lb to 600lb
  • Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
  • Trademark: NAIBANG
  • Specification: API598, API6d, ANSI, Bs, DIN, JIS
  • HS Code: 8481804090
  • Driving Mode: Worm Gear
  • Structure: Double-Eccentric Sealing
  • Valve Stem: Normal
  • Working Temperature: Medium Temperature (120°C<T<450°C)
  • Valve Body: Casting
  • Size: 1/2" to 40"
  • Certificates: API 6D, Ce, ISO9001
  • Delivery Detail: 20~45 Days According to The Specific Quantities
  • Transport Package: Standard Export Wooden Case
  • Origin: China
Product Description
Double Eccentric Butterfly Valve

Main Features:
The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the butterfly valve.
Main Parameter Specification
Design and Manufacture:API 609,GB/T 12238
Face to Face Dimension:API609,ISO5752,ASME B16.10,GB/T 12221
Flange Connection Dimension:ASME B16.5,ASME B16.47,GB/T 9113,JB/T 79
Test and Inspection:API 598,JB/T 9092,GB/T 13927
Pressure Temperature Rating:API 609,ASME B16.34,GB/T 12224
Product Range
Body material:Cast Steel,Stainless Steel,Monel
Nominal diameter:2"~120"(DN50~DN3000)
End Connection: RF,Wafer,Lug,etc
Pressure range: Class150~600(PN16~PN100)
Working temperature:-196ºC~+550ºC
Operation : Handle, Gear, Electric actuator, etc
We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience,we assure you,

Naibang will be one of your best parters in China.

No.Parts NameMaterial
1Bottom CoverA182 F6, F304, F304L, F316, F316L
2StudA193 B7, B7M, B8, B8M
4BodyA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
5StemA182 F6, F304, F304L, F316, F316L
6BoardA182 F6, F304, F304L, F316, F316L
7DiscA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
8PinA182 F6, F304, F304L, F316, F316L
9StudA193 B7, B7M, B8, B8M
10Seal RingSS304+Graphite
13Yoke NutA194 2H, 2HM, 8, 8M
14Yoke StudA193 B7, B7M, B8, B8M
15YokeA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
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