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ConnectionFig.225 wafer, Fig.226 Lug
Size rangeDN40 - DN800
Pressure ratingDN40-DN150 ≤ 16bar
DN200-DN350 ≤ 10bar
DN400-DN450 ≤ 8bar
DN500 ≤ 6bar
DN600 ≤ 4bar
DN700-DN800 = 1bar
Seat materialPTFE + EPDM backup: T≤110℃
PTFE + FPM backup: T≤130℃
PTFE + Silicone backup: T≤160℃
Face to faceEN558 Series 20; API 609 Table 1
Top flangeISO5211
Fig.225/226 is a two-piece body design, corrosion-resistant lined butterfly valve developed for aggressive and chemical media.
The valve is lined with PTFE or PFA, providing excellent chemical resistance, reliable sealing performance, and long service life under demanding process conditions.
2-pcs body construction makes it possible to replace seats.
EPDM or FPM energized backup behind PTFE seat ensures perfect tightness - ISO5208 Rate A.
Removalbe Silicone backup behind PTFE seat provides reliable sealing as well as wider range of working temperature.
Suitable for a variety of applications: water and sewage, chemical and petrochemical industry, pharmaceutical/sanitary industry, food/beverage etc.
