Double flange

Bonded Liner
BA series

BA/S59 BAL/S68. Double flanged type butterfly valve with centric disc and bonded liner. 100% bi-directional bubble tight shut off.

Applicable for all kinds of industries especially:

  • shipbuilding
  • offshore
  • petrochemical
  • heavy industry
  • water treatment
  • civil engineering

General product specifications

  • Overall design generally in accordance to BS EN-593
  • Face to face dimension in accordance to EN558 table 1, series 13 (except DN2000)
  • On request available as eccentric type BAL/S68 or centric type BAL,
  • with face to face dimensions according to EN558 table1, series 14
  • Top flange and shaft end in accordance to ISO-5211
  • Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar)
  • Working pressure up to 25 bar (test pressure 27.5 bar) on request
  • Suitable as end of line service valve
  • DN50 – DN2000
  • Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150
  • Other executions on request
Suitable as end of line valve
Working pressure from 0.1 bar absolute up to 16 bar, (to 17.6 bar)
Working pressure from up to 25 bar
Test pressure 27.5 bar
Mounting between flanges DIN PN 10, DIN PN 16, ASME cl-150 and JIS 5,10,16K standards
Coating color – Ral
Ductile Cast Iron EN 1563-GJS 400-15
Cast Carbon Steel a 216 WCB
Ni/Aluminium Bronze AB-2 or to ASTM B148
Stainless Steel 316
NBR, EPDM VITON(FPM) VMQ Silicone rubber, CR(Chloroprene)
Ni/Aluminium Bronze C95800 ASTM B148
Stainless Steel A743 (CF8M)
Monel ASTM A494 M35
Ductile Cast Iron Rilsan Coated, Ebonite Coated
Duplex and Super Duplex
Stainless Steel EN 10088-3 1.4122
Stainless Steel 316L (EN 10088-3 1.14404)
Monel K 500 BS 3076 NA18
Ni/ Aluminium Bronze EN1265
Duplex and Super duplex
Standard shoppaint Alkyd Primer 60 Mu Ral
Coating No 2 1 layer high solid epoxy 80-100 Mu
Coating No 3 1 layer high solid epoxy 80-100Mu,
1 layer high solid polyurethane 60 Mu
Coating No 3 1 layer high solid epoxy 80-100 Mu,
2 layers high solid high build polyurethane 140 Mu