8 inch butterfly valve/butterfly valve for cement with pneumatic actuator

8 inch butterfly valve butterfly valve for cement with pneumatic actuator         Product Description  Fetures: High quality and good price Size: DN50-DN1000; Pressure:PN10/PN16 Pneumatic actuator NBR/EPDM seat   Specification: Size: 2”-40” / 50mm – 1000 mm Design standard: API 609, BS EN 593, MSS SP-67. Face-to-Face dimension: API 609, ISO 5752, BS EN 558, BS 5155, MS SP-67. Flange Drilling: ANSI B 16.1, BS EN 1092, DIN 2501 PN 10/16, BS 10 Table E, JIS B2212/2213 5K, 10K, 16K. Test: API 598.  

Working Pressure	PN10 / PN16
Testing Pressure	Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure.
Working Temperature	-10°C to 80°C (NBR) -10°C to 120°C (EPDM)
Suitable Media	Water, Oil and gas.

   

Parts	Materials
Body	Cast iron, ductile iron, carbon steel, stainless steel
Disc	Nickel ductile iron / Al bronze / Stainless steel
Seat	EPDM / NBR / VITON / PTFE
Stem	Stainless steel / Carbon steel
Bushing	PTFE
“O” ring	PTFE

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