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Concentric Butterfly Valve with Vulcanized Rubber Lining
Face to Face according to ISO 5752 S-20
Flange Connection: DIN PN 6,10,16 , ANSI 150 , JIS 5K,10K,16K
Size Range: DN40 - 600 (2" - 24"); DN700 - 1400 (28" - 56") with centering holes drilled or tapped
Design Pressure: 16 Bar / 232 psi
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: Flangeless wafer short type, centric, rubberlined
Installation: Clamping between two flanges
Leakage rate: ISO 5208, Rate A (Bi-directional tight shut off)
Note: Intermediate sizes (eg DN 175/7”) are available on request.
Unit of Measure

Size

 N/A DN50 - 2" 50 mm

A

 N/A 50 mm

B - Diameter

 N/A 100 mm

C

 N/A 43 mm

D

 N/A 63 mm

E

 N/A 118 mm

F

 N/A 12 mm

G

 N/A 34 mm

H - Diameter

 N/A 10 mm

K

 N/A 70 mm

L

 N/A 90 mm

M - Diameter

 N/A 9 mm

n - Number of Holes

 N/A 4

X

 N/A 25 mm

Y

 N/A 4 mm

ISO 5211

 N/A F07

Weight

 N/A 2.6 kg

Valve Function

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

Flange Connections

 N/A ANSI Class 150 JIS 10 JIS 16 JIS 5 PN 10 PN 16 PN 20 PN 6

Valve Shut off Pressure

 N/A 10 bar16 bar2.5 bar6 bar

Available Type Approvals

 N/A ABS BV DNV DVGW FM GL JKR KIWA LRS NKK RIN RMRS SVGW UL VdS WRC

Actuation Possibilities

 N/A Electric Hydraulic Manual Pneumatic

Body material

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

Disc Material

 N/A Aluminum Bronze Stainless Steel

Stem Material 

 N/A Aluminum Bronze Duplex Stainless Steel 1.4462 Martensitic Stainless Steel 1.4408

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)

Standard

 N/A DIN