Product Description
Materials:
Body: cast steel (1.0619 or GP240GH) and stainless steel (1.4308, 1.4408)
Stem: X20Cr13 or 1.4021 and stainless steel (1.4308, 1.4408)
Disc: C22.8 + 18Cr stellite, F304
Seat: 18Cr, stainless steel, stellite
Spring: SS304 to SS316
Size: DN15 to DN400
Pressure: PN16 and PN40
Standards:
Inspection and test: ISO 5208 and EN 12266
Flanged ends dimension: EN 1092-1
Face to face: EN 558-1
Pressure-temperature ratings: DIN 2401 and EN 12266-1
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