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Mail part & material
Body, Disc: GGG50 with internal and external epoxy resin coating
Stems: 1Cr17Ni12Mo2Ti, Stainless steel min. 13%Cr
Bushing: Bronze CuAI10Fe3
Seal ring, O-ring: NBR, EPDM or FPM
Technical Specification
-Nominal diameter: 150~2600mm
-Nominal pressure: 1.0/1.6/2.5Mpa
-Strength testing pressure: 1.5/2.4/3.75Mpa
-Sealing testing pressure: 1.1/1.76/2.75Mpa
Executive standard
Design standard DIN3354
Face to face DIN3202 or BS 5155
Flange end DIN 2501
Test & inspection DIN 3230 or GB/T 13927
Working temperature NBR<80 degree; EPDM<120dgree; FPM<160 dgree
Double Eccentric Butterfly Valve
