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Wafer Type Butterfly Valve in Cast Iron/ Ductile Iron

Basic Info

Model No.:  D71F

Product Description

Model NO.: D71F Connection Form: Wafer Seal Form: Force Sealed Work Pressure: Low Pressure (Pn<1.6mpa) Material of Seal Surface: Soft Sealed Application: Industrial Usage, Water Industrial Usage Class: 150lb to 600lb Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch Trademark: NAIBANG Origin: China Driving Mode: Manual Structure: Centre Sealing Valve Stem: Normal Working Temperature: Medium Temperature (120°CButterfly 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, MSS SP-67, GB/T 12238
Face to Face Dimension:API609,GB/T 12224
Flange Connection Dimension:ASME B16.1,ASME B15.5,ASME B16.47,BS4504,GB/T 9113,JB/T 79
Test and Inspection:API 598,JB/T 9092,GB/T 13927
Pressure Temperature Rating:API 609,GB/T 12224
Product Range
Body material:Cast Iron,Ductile Iron
Nominal diameter:2"~48"(DN15~DN1200)
End Connection: Wafer,Lug,etc
Pressure range: Class150~600(PN16~PN100)
Working temperature: -10ºC~+120ºC
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 Name Material
1 Bottom Cover A182 F6, F304, F304L, F316, F316L
2 Stud A193 B7, B7M, B8, B8M
3 Gasket Graphite
4 Body A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
5 Stem A182 F6, F304, F304L, F316, F316L
6 Board A182 F6, F304, F304L, F316, F316L
7 Disc A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
8 Pin A182 F6, F304, F304L, F316, F316L
9 Stud A193 B7, B7M, B8, B8M
10 Seal Ring SS304+Graphite
11 Bushing SS304+PTFE
12 Packing Graphite
13 Yoke Nut A194 2H, 2HM, 8, 8M
14 Yoke Stud A193 B7, B7M, B8, B8M
15 Yoke A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex

Contact us if you need more details on Wafer Type Butterfly Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Butterfly Valve、Centre Sealing Butterfly Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Other Valves > Butterfly Valve