Model：D343H-10/16/25/40

Size：DN150~2000mm

PN：1.0~4.0MPa

Applicable medium：Water,gas,oil etc.

Working temperature：≤450℃

Body：WCB/QT450/Q235/Alloy steel/SS

Disc：WCB/QT450/Q235/Alloy steel/SS

Seat：SS/Cobalt based hard alloy

Shaft：Alloy steel/SS

Seal ring: Stainless steel composite multi-level

Flange standard：GB/T 9113