Wafer butterfly valves TTV for closing or setting networks of gas.
Valves with NF ROB-GAZ certification by Certigaz..
Ductile iron body EN GJS-500-7, stainless steel disc up to DN100 and NBR Gas seat.
Between flanges PN10, PN16 or Class 150 according to the DN.
Compatible with explosive atmosphere, ATEX Zone 1&21 and Zone 2&22 on request.
• Manufacturer certified ISO 9001:2015
• DIRECTIVE 2014/68/EU : CE N° 0038
Risk Category III module H
• Certificate 3.1 on request
• Pressure tests according to EN 12266-1 , rate A
• Between PN10/16 flanges according to EN 1092-1
• ISO 5211 mounting pad
• Length according to :
o ISO 5752 short series 20
o EN 558 series 20 (NF 29305)
o BS 5155 series 4
o DIN 3202 part 3, series K1
o API 609 Table 1 up to DN600
o ASME B16.10 Table 8 column 3
