WAFER type butterfly valve

BV12008WDA PN10  PN16 │ 150#

Double acting actuator operated

BVALVE Double acting operated soft-seated butterfly valve. One-piece wafer design with extended neck and a concentric disc and seat configuration to allow for DN40-DN1200 of piping insulation. Flanges have hole drilling according to international flange standards. The valves are provided with a non-corrosive bushing and self-adjusting stem seal.

Wafer type butterfly valve for installation between flanges EN 1092-2, PN 10/16, ASME class 150. Acc B16.5. One-piece body, self-centring, two-piece disc and stem connection, bubble-tight up to 16 bar (DN50-DN300), up to 10 bar (DN350-DN1200).

Double acting actuator with rack and pinion design. Rotation angle 90º ± 5º (by means of external travel stops). Maximum working pressure 8 bar (120 psig) Total safety for spring replacement. Anftifriction sliding bearings.

 

Specifications

SizeDN 40 - DN1200
Nominal pressurePN10, PN16 EN 1902-2 / ASME 150# Acc. to B16.5
DesignDIN EN 593 / BS 515
CertificationsCE-Marking, TA Luft, ATEX, WRAS
MarkingEN19, MSSP
Face to Face dimensionDIN EN 558 line 20 / API 609 table 1
Mounting flangeDIN EN ISO 5211
TestDIN EN 12266-1 leakage rate A bidirectional / API 598 / ISO 5208 category 3
BodymaterialEN1563 EN-GJS-400-15
Disc materialCF8M
Seat materials / Working temperatureNBR from -25ºC to + 100ºC
EPDM from -35ºC to + 130ºC
FKM from -20ºC to + 100ºC

Aplications

NBR

COLD WATER

HOT WATER

GAS

HYDROCARBONS

OILS

 

AIR

EDPM

STEAM

COLD WATER

HOT WATER

SEA WATER

DILUED ACIDS

FKM

HYDROCARBONS

ACIDS

OILS

Downloads

Data sheet