Double offset butterfly valves – Carbon steel – Wafer – PN25

Double offset butterfly valves - Carbon steel - Wafer - PN25


Size: DN 50 to DN 600 


Use: Heating, geothermics, industrial cold, shipbuilding, petrochemical

Body carbon steel ASTM A216 WCB

Disc stainless steel ASTM A351 CF8M

Seat PTFE with 15% graphite

Temperature:  – 29°C to + 210°C

Pressure: max. 25 bars

Steam: max. 10 bars

When using at dead end of pipeline, reverse preferential flow direction

100% tightness

Wafer type

Between PN25 or PN16 flanges

Double eccentric

Bidirectional with preferential flow direction indicated by the arrow

Fire safe according to ISO 10497 : 2010

ISO 5211 mounting pad

Stainless steel CF8M disc

Full crossing stem

10 positions ductile iron handle, with locking device up to DN150

Gear box from DN 200 to DN600

Inorganic zinc rich primer, gray color, 10 µm thickness for carbon steel type

Finish painting heat resisting aluminum Silver color RAL 1504, 30 µm thickness for carbon steel type

Ductile iron EN GJS-400-15 handle with silver painting RAL 9006 color

Wafer type with carbon steel body , and handle  DN 50 to DN 150

Wafer type with carbon steel body , and gear box DN 200 to DN 600


 Fabrication according to ISO 9001:2008

 DIRECTIVE 97/23/CE : CE N° 0035 Risk Category III module H

 Designing according to API 609  Marking according to MSS SP-25

 Tightness tests according to ISO 5208, range A

 Between flanges according to EN 1092-1 PN25 or PN16

 Length according to EN 558 series 20 ( ISO 5752 series 20 )

 Fire safe according to ISO 10497 : 2010

 ATEX Groupe II Category 2 G/2D Zone 1 & 21 Zone 2 &22 ( Optional marking )

 Approval certificate Russian Federation GOST-R

Request price offer

The product you are interrested:




Do not understand the code? click here for another
If you don't enter the correct antispam code, the message will NOT be sent!