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
Heavy- Duty Direct Drive Rotary Valve
Valves manufactured by European Gate Valves
Click Images for further details of each valve: