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- asme b16.51
- double flanged type1
- drawing1
- din1
- cast iron butterfly valve2
- flanged style1
- drawings1
- dimensions18
- cast iron wafer butterfly valve1
- welded1
- semi-seamless1
- seamless1
- selection of butt weld pipe fittings1
- 5000psi wn rtj flange1
- api 6a 6b 5000 psi1
- 5000 psi weld neck flange1
- 5000 psi blind1
- 34.5 mpa2
- api 6a 6b 5000psi1
- 5000psi blind rtj flange1
- 3000psi wn flange rtj1
- 3000 psi weld neck flange1
- 20.7 mpa2
- api 6a 6b 3000 psi2
- 3000 psi blind rtj1