... flanged valve. 2. size: 2.5" BS336 3. material : brass. 1.brass british type flanged valve.2. we can offer storz , john ... and many fittings for fire control in alu. and in brass.5. we can offer ISO 9001-2000 certification.6. we ... casting , casting , forge.9. can offer in alu. and in brass.10. work pressure: 1-1.6MPa ...