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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

F30 (pcd. 298 - 8x Ø 21) at Δp max = 16 bar
Unit of Measure

Size

N/A DN1000 - 40"

A

N/A 986 mm

B - Diameter

N/A 1085 mm

C

N/A 216 mm

D

N/A 685 mm

E

N/A 740 mm

F

N/A 30 mm

G

N/A 90 mm

H - Diameter

N/A 60 mm

K

N/A 254 mm298 mm

L

N/A 350 mm

M - Diameter

N/A 17 mm21 mm

n - Number of Holes

N/A 8

S

N/A 50 mm

T

N/A 200 mm

X

N/A 973 mm

Y

N/A 390 mm

Z at PN 6

N/A 51 mm

Z at PN 10

N/A 51 mm

Z at PN 16

N/A 58 mm

ISO 5211

N/A F25 F30

Weight

N/A 670.0 kg

Valve Function

N/A Isolating valve (on,off) and regulating valve Regulating valve

Flange Connections

N/A DIN PN 6 DIN PN 10

Valve Shut off Pressure

N/A 10 bar16 bar2.5 bar6 bar

Available Type Approvals

N/A ABS DNV FM GL NKK RIN RMRS

Actuation Possibilities

N/A Electric Hydraulic Manual Pneumatic

Body material

N/A Bronze RG10 Carbon Steel GG25 Cast Iron GGG40 Ductile Iron Stainless Steel

Liner Material

N/A Ethylene Propylene Diene Monomer (EPDM) Special Grade Ethylene Propylene Diene Monomer (EPDM) Standard Grade Fluoroelastomer Polymer (FPM) Viton Nitrile Butadiene Rubber (NBR)