Design standard: API609;EN593,Russian Standard,ect
•Face to Face: DIN3202-K1,EN558-1 20 Series;BS5155,MSS SP-67
•Flange Drilling:DIN2501 PN10/PN16;BS10-D;JIS10K;BS4504;ANSI125/150;AS2129Table D/E;ASA125/150 ect.
•Pressure test: API 598
This kind of butterfly valve is widely utilized in foodstuff,pharmacy,chemical industry etc.and industrial environmental protection, water treatment, high building,water supply and draian tubing line open or close or adjusting medium.