Cement & Mining Valves
Industrial Valves for Cement & Mining
Abrasion-Resistant Valves for Raw Meal, Slurry and Ore Handling
Cement and mining processes involve highly abrasive media — raw limestone powder, coal dust, cement slurries, ore pulp, and tailings — that rapidly erode conventional valves. Vajra supplies abrasion-resistant knife gate valves, pinch valves, and ceramic-lined or rubber-lined butterfly valves engineered for long service life in these demanding applications.
Key Cement & Mining Applications
We supply application-specific valve solutions for each segment of the cement & mining industry.
Cement Raw Meal & Kiln Feed
Knife gate valves for raw meal silos, kiln feed systems, and coal dosing. SS316 or hardened wear-plate gate material for abrasion resistance. Pressurized packing gland to prevent fine powder ingress. Pneumatic actuation for remote operation in kiln feed control.
Ore & Concentrate Slurry
Pinch valves for iron ore, copper concentrate, and gold tailings slurry service. Natural rubber sleeve isolates the slurry from the valve body — zero internal dead volume. High cycle life (>100,000 cycles) in abrasive slurry. Available up to DN400 (16").
Cooling Water & Process Water
Rubber-seated butterfly valves and gate valves for cooling tower circuits, mine dewatering, and process water supply. Ductile iron body with epoxy or rubber lining for corrosion resistance in mine water with low pH and dissolved minerals.
Dust & Dry Powder Handling
Diaphragm valves and knife gate valves for cement dust, fly ash, and silica powder systems. Air-tight construction prevents dust leakage. Body purge connections available to clear trapped powder from valve cavity.
High-Pressure Hydraulic Mining
High-pressure gate valves and ball valves for hydraulic mining, jet cutting, and high-pressure washing systems. Stainless steel or chrome-moly alloy construction for pressures up to 700 bar.
Recommended Valve Range for Cement & Mining
Our most commonly supplied valve types for cement & mining applications.
| Valve Type | Specification |
|---|---|
| Knife Gate Valve (Slurry) | DN50–DN800, SS316L gate, natural rubber seats, Class 150 |
| Pinch Valve (Slurry) | DN50–DN400, natural rubber sleeve, 10 bar max, full bore |
| Diaphragm Valve (Powder) | DN25–DN200, SS316L body, PTFE diaphragm, weir type |
| Rubber-Lined Butterfly Valve | DN80–DN1200, rubber-lined body and disc, ductile iron |
| Gate Valve (Cooling Water) | DN80–DN600, ductile iron, rising stem, Class 150 |
| Safety Relief Valve | API 526, 1"–6" inlet, set pressure 1–200 bar |
Applicable Standards & Certifications
- ISO 9001:2015 — Quality Management
- EN 12334 — Industrial Valves for Mining
- ASME B16.34 — Pressure Ratings
- ISO 5208 — Industrial Valves — Pressure Testing
Available Materials of Construction
- SS316L (Abrasion and Corrosion Resistant)
- Hardened Wear Plate (400–600 HB)
- Natural Rubber (Abrasion Resistant Slurry)
- EPDM / Neoprene (Chemical Resistant)
- Ductile Iron (EN-GJS-450-10)
- UHMW-PE Lining (Very High Abrasion)
Frequently Asked Questions — Cement & Mining Valves
What type of valve is best for cement slurry service?+
How long does a pinch valve sleeve last in mineral slurry service?+
Can knife gate valves be used in high-pressure cement plant service?+
Need Cement & Mining Valves? Get a Quote Today.
API 6D, ASME B16.34 certified. Full documentation. 24-hour quote response. Contact us at sales@vajravyuh.com or +91 9979774557
