BV-DS142 double flanged DI butterfly valve 12 inch
DI butterfly valve is a kind of soft sealing butterfly.It is used in metallurgical, chemical, electrical and municipal engineering and water factories,and other media on the official road for water,oil and air from the cut off fluid or adjust the role of media flow.
Material of DI butterfly valve main pats:
(materials can be customized according to your requirements)
No. | Pats name | Materials | specification |
1 | body |
DI / CI | A126 class B Astm A536 |
2 | O-ring | PTFE | -- |
3 | sleeve | EPDM | -- |
4 | shaft | Stainless steel | AISI 316 |
5 | disc | Stainless steel | A351 CF8M |
6 | seat | EPDM | -- |
7 | pin | Stainless steel | A351 CF8M |
Technical data of DI butterfly valve :
Nominal diameter:DN50~2200mm
Design standards:GB/T12238,EN1092,API609,AS4795
Installation platform:ISO5211
Length of the structure:GB/T12221,BS5155,EN558
Flange standards:GB/T9113,DIN2501,PN(MPa)1.0~1.6
Testing standards:GB/T13927,API598,AS4795
Features of DI butterfly valve :
v ISO square drive for sizes DN50-2200mm
v Four self-lubricating bronze bushes provide maximum stem support with minimum friction.Eliminates potential stem seizure.
v Actuator mounting flange, conforms to ISO5211 and accommodates all types of operators,lever,gear, electric,hydraulic and pneumatic.
v O-ring weather seal prevents ingress of moisture and external material material into the stem area.
v One piece thru-stem design ensures dependability and positive disc control.
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