Double Flanged Double Ecentric Butterfly Valve BV501

Double flange double eccentric butterfly valve can reduce friction and have longer service lift."T"structure of the disc sealing ring.The sealing pair is linear sealing.Replacing materials of the disc ring."O"-ring,disc and shaft,the valve can be used for various medium and temperature.
We suggest that the valve is used in single direction,it can be Bi-direction,but if you need,you should tell us when you order.

Size:DN100-DN1800(4"-72")
1.Design standard:BS5155,MSS SP 68
2.Test standard:DIN3230Part3,API598,EN12266-1
3.Face to face standards:DIN3202 F4,EN558 13/14 series,ISO5752 13/14 series
4.Flange connection:DIN2501 PN10/PN16,BS4504 PN10/PN16,ASME B16.1 125LB/150LB,JIS B2220 10K
Medium:water,oil,gas and so on.
Working pressure:10bar/16bar
Test pressure:
Shell:15bar/24bar
Seal:11bar/17.6bar

                                     Specification
Name           Material                 ASTM
Body          Ductile Iron            ASTM A536
Disc          Plated Ductile Iron     ASTM A536
Stem          Stainless Steel         A276-410
Disc Sealing  NBR(NITRILE)           
              EPDM
Pin           Stainless Steel         A182 F6A
Clamping ring Steel
Bushing       PTFE
Connecting bracket Ductile Iron       ASTM A536
Packing gland Ductile Iron            ASTM A536
Packing       EPDM
                     NBR
                     A351 CF8