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Cast steel Wafer type, lugged type and flanged butterfly valves
Material: carbon steel, alloy steel,stainless steel,cast iron and ductile iron with stainless steel or al-bronze disc,
soft seat or metal seat
Wafer and lugged butterfly valve:MSS SP-68 or API609
Flanged butterfly valve:MSS SP-67
Face to face dimension:ANSI B16.10,MSS SP-67,MSS SP-68 or API609
Test: API 598
End flange dimension: ANSI B16.5, MSS SP-44 or API605
Cast steel Wafer type, lugged type and flanged butterfly valves
Material: carbon steel, alloy steel,stainless steel,cast iron and ductile iron with stainless steel or al-bronze disc,
soft seat or metal seat
Wafer and lugged butterfly valve:MSS SP-68 or API609
Flanged butterfly valve:MSS SP-67
Face to face dimension:ANSI B16.10,MSS SP-67,MSS SP-68 or API609
Test: API 598
End flange dimension: ANSI B16.5, MSS SP-44 or API605
