Concentric Butterfly Valve with Vulcanized Rubber Lining
Face to Face according to ISO 5752/ EN 558, basic series 20 (wafer short)
Flange Connection: DIN PN 10/16
Size Range: DN350 - 1000 (14" - 40")
Actuation: Manual, Electric, Pneumatic, Hydraulic
Top Flange according to ISO 5211
Material Options:
- Body: GGG40 Ductile Iron, GG25 Cast Iron, Carbon Steel, Stainless Steel, Bronze RG10
- Disc: Duplex Stainless Steel 1.4462, Martensitic Stainless Steel 1.4408, Aluminum Bronze
- Shaft: Duplex Stainless Steel 1.4462, Martensitic Stainless Steel 1.4408, Aluminum Bronze
- Liners: NBR, EPDM Standard Grade, EPDM Special Grade, FPM Viton
Body type: Single flange wafer short type, centric, rubberlined
Valve function: Isolating valve (on/off) and/or regulating valve
Installation: Clamping between flanges with possibility for downstream pipe dismantling. As end of line valve
Valve shut off pressure: 2,5 / 6 / 10 / 16 bar
Leakage rate: ISO 5208, Rate A (Bi-directional tight shut off)
Available type approvals: DNV,ABS,GL,RIN,NKK,RMRS,FM
