In specialized pressure leaf filtration processes, standard bottom-discharge filter leaves cannot always meet the mechanical or process requirements of unique vessel geometries. Top-discharge architectures are often required in toxic or high-purity chemical processes to prevent bottom-manifold slurry settling and seal failure. Conversely, dual-discharge or bottom-slop evacuation leaves are needed for viscous or high-solids applications to ensure complete liquid recovery before dry cake discharge.
Our Top/Bottom Discharge Filter Leaves provide an engineered solution for non-standard vessel configurations.
Every leaf is custom-fabricated to match the exact header alignment, internal clearance, and discharge geometry of specialized OEM housings. By incorporating precision-machined discharge connections and optimized internal drainage paths, these leaves eliminate heel volume, restore uniform flow distribution, and prevent cake bridging across all operating cycles.
Details

Specialized Discharge Leaves vs. Standard Bottom-Discharge Leaves
Selecting a custom discharge layout yields significant operational advantages in specialized vessel designs:
| Operational Parameter | Standard Bottom-Discharge Leaves | Our Top/Bottom Discharge Special Leaves |
| Header Compatibility | Bottom manifold collection only | Top-header, dual-manifold, or side-exit flexible integration |
| Process Heel Evacuation | Residual fluid can linger at leaf base | Complete air-blow or bottom-slop evacuation (Zero heel) |
| Toxic Slurry Containment | Higher risk of manifold seal leak at vessel base | Isolated top-exit seals (Protects bottom seal integrity) |
| Viscous Fluid Hydraulic Flux | Restricted by single outlet diameter | Dual-discharge outlets for reduced internal backpressure |
| Discharge Seal Precision | Standard press-fit sockets | Precision CNC Machined Nozzles with dual elastomeric seals |
| Frame Structural Rigidity | Baseline edge support | Reinforced perimeter channel with multi-point stabilizer lugs |
Key Performance Advantages Rooted in Our Manufacturing Process
Precision CNC Nozzle Fabrication: Discharge nozzles are CNC-machined from solid SS 316L or alloy bar stock, ensuring absolute dimensional accuracy for zero-leak connection to top or bottom manifold headers.
Internal Gas-Evacuation Headers: Specialized internal drainage channels allow compressed air or inert gas to purge remaining liquid from the leaf interior prior to cake vibration, maximizing product recovery.
Master Template Fitment Testing: Every custom leaf is verified against detailed dimensional CAD models and dry-fitted on factory jigs replicating the specific vessel layout to ensure seamless field installation.
Provide us with your special vessel drawings, nozzle orientation, operating pressure, slurry characteristics, and material requirements. Our engineering team will produce detailed CAD designs and a tailored technical proposal for specialized discharge filter leaves.
Our address
Room 1310-5, Block A, Zhongliang Plaza, No. 345 Youyi North Street, Lianmeng Road, Xinhua District, Shijiazhuang City, Hebei Province, China 050061
Phone Number
+8615076820259
jesse@chgmetal.com







