PERFORMANCE ADVANGATE
1.Bellow is the key part of bellow sealed valves,which is welded to both the valve bonnet and valve stem, with automatic roll welding. The metal bellow can keep the stem part 100% no leakage.
2.Double seal design(bellows+packing). Bellow form a metal seal to prevent leakage, and packing can provide seal if the bellow failed.
3.Overlay welded seat can keep reliable sealing under severe conditions.
4.Ergonomic hand wheel. It provide longer service life and easier Operation.
TECHNICAL SPECIFICATION
Model: WJ41H-16C
Working Pressure : PN16
Working Temperature: ≤425°C
Nominal Size: DN15-400
End Connection: RF Flange
Design Standard: DIN EN13709:2003
Face To Face: DIN EN558-1:1995
Flange Drilling: DIN EN1092-2
Inspection And Test: DIN EN12266-1
PRODUCT PARTS AND MATERIALS
Body Material: WCB+Cr13
Disc Material: WCB+Cr13
Bellows Material: Stainless Steel 321 Material
Bellows cover: Stainless Steel 304
Seat: Overlay 13Cr
Handwheel: Steel