The Sempell Dewrance bled steam check valve has been designed specifically for non-return turbine protection on power generation steam turbines.
Sempell Dewrance Model B21/B51 Check Valve
Sempell Dewrance Model B21/B51 Check Valve
Specs
Valve Size Standard
DN, NPS
Valve Type
Engineered Product, Triple Offset Valve
Features
- Excellent reliability, internal counterweight to balance disc under low load conditions
- Tilting disc design for quick closing due to lower center of gravity
- Lightweight disc with minimum travel, for quick closing in less than 1 second
- optimum performance under all flow conditions
- Pneumatic power assistance acts directly onto disc, without leakages to inhibit operation
- Low cost maintenance, expanded graphite gasket pressure seal design
- Surface treated hinge pin, supported in surface treated bearings, giving a low coefficient of friction and hard wearing surface for maximum performance
- Easy access through cover
- Easy access through cover
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