Unibody, Slurry Service
Knife Gate Valve
Reliable shut-off in the toughest slurry, pulp, and solids-laden applications
A specialized gate valve with a sharp-edged gate that cuts through thick media, fibers, and settled solids. The unibody casting eliminates bottom cavities where material can accumulate. Designed for mining, pulp & paper, wastewater, and any application with high solids content.
API 609ISO 9001CE PED
Technical Specifications
| Size Range | NPS 2″ – 48″ / DN 50 – 1200 |
| Pressure Rating | PN 10 / PN 16 / Class 150 |
| Temperature Range | -20°C to +80°C (standard), +200°C (high-temp design) |
| Body Material | Cast Iron, Ductile Iron, CF8M SS, Duplex SS |
| Seat Material | NBR, EPDM, Viton, PTFE, Metal |
| End Connection | Wafer, Lug, RF Flanged |
| Design Standard | MSS SP-81, API 609 |
| Testing Standard | API 598, EN 12266-1 |
Key Features
- Unibody casting with U-shaped rubber seal for zero-leakage shutoff
- No bottom cavity — eliminates material accumulation and clogging
- Gate edge hardened for cutting through settled solids and fibers
- Replaceable seat and packing for extended service life
- Lightweight and compact — easy to install in tight spaces
Industry Applications
Mining slurry pipelinesPulp & paper stock linesWastewater treatmentPower plant ash handlingChemical powder handling
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