KSB-AMRI - Butterfly Valve (Concentric Type)
KSB-AMRI - Butterfly Valve (Concentric Type)
End Connection: Semi Lug, PN 16
Body Material: Ductile Iron
Disc: CF8 / CF8M
Seat: NBR / EPDM
Size: 1-1/2" - 12"

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Centered disc butterfly valve with elastomer liner (EPDM XC or Nitrile K). With lever, manual gearbox, electric or pneumatic actuator. Wafer-type body (T1), semi-lug type body (T2), full-lug type body (T4), U-section body with flat faces (T5). Body types T2, T4 and T5 are suitable for downstream dismantling and deadend service. Valve disc made of nodular cast iron or stainless steel. EN, ASME, JIS connections possible. 

Engineering contractors, for water, crude oil and oils. Shut-off and control duties in water management, water supply, water treatment, drainage and irrigation.


Overview of technical data

Maximum temperature

110 °C

DN max.


Max. flow velocity

2 M/S

Minimum temperature

10- °C

DN min.


Valve disc/plug material

Soft seat

Valve disc turn range

90 DEG

eClass assignment


Body material (EN standard)

JS 1030

Liner material


Threaded-end design

Wafer- type design

Body design

Median rib body; Lug body

Body material

Special cast material

Valve disc material

1. 4308;JS 1030

PN max.


Dimension standard

EN 558- 1/20;ISO 5752/20

Main applications

Industry and process engineering; Water;Waste water / sewage


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