Unicast Refefining Wear Parts

Heavy-Duty Rotary Valves 

TBMA Heavy-Duty Rotary Valves are trusted worldwide for their rugged reliability, ATEX safety, and inline serviceability ensuring continuous flow and reduced downtime in the most demanding bulk material handling environments. 
 
With quick-clean options, explosion-proof ratings up to 10 barg, and a modular design built to outlast, TBMA valves let you inspect, clean, or swap components with minimal disruption, even in hygienic or high-pressure zones. Say goodbye to costly shutdowns and hello to decades of dependable, low-maintenance performance. 

Features, ATEX Safety & Customisation of TBMA Heavy-Duty Rotary Valves 

🔹 H-AR – Drop-Through Rotary Valve 
Optimised inlet geometry for high filling efficiency 
Ideal for pneumatic conveying systems (with venturi or blow-through adapter) 
Optional sanitary design 
🔹 H-GR – Blow-Through Rotary Valve 
Integrated blow-through connections for reduced installation height 
Rotor pockets fully emptied by conveying air 
Available with direct, chain, or in-line drive 
🔹 H-AX – Large Inlet Valve 
Oversized inlet for poorly flowing materials 
Dual flange (round/square) ideal for tight installation spaces 
Option for special coatings and high-temp versions 
🧯 Certified for Safety 
All TBMA heavy-duty valves are available in: 
ATEX 2014/34/EU compliant 
Flameproof and Explosion-proof (up to 10 barg for St1 & St2 dusts) 
Internal zone classification: II 1/- D Ex h IIIC Da/- 
🧩 Customisation Options 
Rotor types: fixed, scalloped, closed-end, flexible blades 
Body materials: cast iron, stainless steel, nickel-plated, tungsten carbide 
Seal types: gland packing, air purge, high-temp 
Drives: bare shaft, direct drive, in-line, chain transmission 

Quick-Clean or Sanitary Features 

🧼 Need Quick-Clean or Sanitary Features? 
 
The heavy-duty platform supports Quick-Clean (DG) and Sanitary (SD) designs—ideal for hygienic applications in food, dairy, and pharmaceuticals, while still providing industrial-grade robustness. 
 
📈 Typical Applications 
 
Pneumatic conveying 
Dust collection systems 
Dosing abrasive or corrosive powders 
Safety airlocks in explosion-risk zones 

Heavy-Duty Drop Through Rotary Valve 

TBMA Rotary Valves 

TBMA Rotary Valves 

Heavy- Duty Direct Drive Rotary Valve 

Direct Drive Rotary Valve

Send us your enquiry or questions: 

Heavy-Duty Circular Flange Rotary Valve
Heavy-Duty Chain Drive Rotary Valve
Heavy-Duty Square Flange Rotary Valve
Heavy-Duty Direct Drive Rotary Valve
Valves manufactured by European Gate Valves 
Click Images for further details of each valve: 
Double Flap Valve
Double Flap Valves 
Damper Valve
Damper Valves 
Custom Valve
Custom Valves 
Rotary Valve Refurbishment
Valve Refurbishment