Knife Gate & Slurry Valves_
Zero-leakage designs for abrasive, corrosive slurries.
Overview
Designed for the most abrasive and corrosive environments, INVAR’s knife gate and slurry valves provide zero-leakage, full-port performance.
Valve Types
Metal-to-Metal (S20 / Fig. 1 / Fig. 220)
- Unidirectional
- MSS-SP81 tested
- Suitable for high pressure
Perimeter Resilient (S17D / SB1700)
- Bi-directional sealing
- ZERO leakage up to 150 psi
Polymer Lined (M145 / M345)
- Pressure-assisted seals
- Tested bi-directionally
Slurry Valve Series (C-KGA / C-KGD / C-KGF / C-KLB)
- Full-port elastomer sleeves
- No seat cavity → no solids buildup
- Temperatures up to 400°F
- Pressures up to 300 psi
C-Valve (Throttling Valve)
- No metal parts exposed to slurry
- True throttling from full open to 90% reduction
- Ideal for severe abrasive control applications
