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Description of series 26/00 Gate valve for water
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Resilient seated gate valve. Body and bonnet of GGG-50. DN 40 - 300. Flanges and drilling to ISO 7005-2 (EN 1092-2: 1997, DIN 2501), PN 10 and PN 16. Short face to face to DIN 3202 part 1, F4. Wedge of ductile iron with fixed wedge nut, fully vulcanized with EPDM rubber. Stem of stainless steel 1.4021 with rolled thread and wedge stop ring. The stem sealing consists of a rubber manchette, 4 O-rings in a nylon bearing and a wiper ring. Bonnet gasket in groove between body and bonnet. Countersunk bonnet bolts encircled by the bonnet gasket and sealed with hot melt. Epoxy coating to DIN 30677 - externally. Enamelled internally. Like AVK series 26/00 or approved equivalent.