Wafer Butterfly Valve
·Valve Standard:Comply with EN593/BS5155/MSS SP-67.
·Working Pressure and Temperature
Size 50 to 600,working pressure PN 16/Class 125.
Size 50 to 300,working pressure PN 20/Class 150.
Size 50 to 300,working pressure PN 25/Class 250.
Temperature from -10℃ to 120℃ for EPDM liner.
Temperature from -10℃ to 82℃ for NBR liner.
Temperature from -10℃ to 150℃ for Viton liner.
·Top Flange standard: Comply with ISO5211/1.
·Flange Type:EN1092-2 PN10/PN16/PN25,ANSI B16.1 Class125, ANSI B16.2 Class250,BS10 Table D/E,JIS 10K/16K.
·Operator:Handle or gear operator.
·Materials Specification
|
Part Name |
Material |
EN Spec. |
ASTM Spec. |
|
Body |
Cast Iron |
EN-JL1040 |
A126 Class B |
|
Shaft |
Stainless Steel |
BS970 420S37 |
AISI 420 |
|
Disc |
Stainless Steel |
BS970 304S15 |
A351 CF8 |
|
Bronze |
EN1982 CC491K |
B62 C83600 |
|
|
DI Nichel Plated or FBE Coated |
EN-JS1050 |
A536 65-45-12 |
|
|
Bushing |
PTFE |
Commercial |
Commercial |
|
Liner |
EPDM/NBR/VITON |
Commercial |
Commercial |
|
O-Ring |
EPDM/NBR/VITON |
Commercial |
Commercial |