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Rotary Airlock Valves

Rotary Airlock Valves are critical components, essential for controlled material feeding or discharging in various process industries. RIECO’s valves are expertly designed to maintain pressure or vacuum in pneumatic conveying systems, ensuring perfect sealing and preventing air leakages across different pressure systems.

RIECO offers an exclusive range of high-pressure designs, with a specialized Quick Cleaning model (LPR) ideal for applications requiring frequent material changes. For unique applications, such as suction carbon black processing, RIECO provides specially crafted models to meet specific industry needs. With years of design and manufacturing experience, RIECO is your trusted partner offering a wide and customizable range of airlock valves tailored to customer needs.

Choose RIECO for innovation, quality, and reliability in your material handling systems0

Types

Type	Features	Model ranges from	Drives	Application
Type AL	Suitable for Differential Pressure Up to 4000 mm WG.	150mm to 600mm = Casted 650mm to 900mm = Fabricated	Geared Motors – Direct Coupled or Through Chain and Sprocket	Used as feeders, below Bag filters, Cyclones, ESP, Low pressure valves.
Type PN	Suitable for Differential Pressure Up to 1 Kg/cm2	200mm to 450mm = Casted	Motor with Gear Box	Normally used for Abrasive material handling, wherein Pressure is applicable. E.g Pneumatic conveying etc.
Type LPR RF/W type/FPT	Specially designed for handling of Plastic Chips with Differential Pressure Up to 1 Kg/cm2	From 150 mm to 450 mm	Variable Speed Drives like Eddy Current Drives Frequency Converter Unit	PP, HDPE, LDPE, Plastic chips application.
LPR/ – LPR-Quick Cleaning	Suitable for Differential Pressure 1 Kg/cm2 and quick cleaning type for easy cleaning. With Seal purging arrangement for protecting the end seals from getting worn out.	From 160mm to 400mm = Casted	Chain drive-Motor with gear box	Suitable for Food, Pharma, Chemical industries, Dairy industries. Good for soft material and where cleaning is a necessity.
LPR blow through	For Pneumatic conveying application with differential pressure of 1kg/cm2	200 mm to 450 mm		Pneumatic conveying application
AL-SPL Carbon black	Various discharges, pneumatic conveying, very low bulk density handling with special design, Special seals, specific clearance	200 mm to 900 mm		Specially designed for carbon black industries

Features

ATEX / CE Certified
Various combinations of Rotor Vanes to suit applications, like shallow, helical ,6 vane, pocket filled etc
Precision Engineered to provide minimum clearance between Rotor and Housing and thus minimum leakage
Available in circular as well as in square flanges
Up to 600mm Ø Valves are available in Cast Construction
Available in fixed blade and adjustable/replaceable blade type
Less clearance valves to ensure no powder degradation while discharging

Available in Closed End and Open-End Rotor Design.
Available in Helical Rotor design for PP, HDPE and various plastic chips application
Available with OSHA standard guard design
High discharge capacities depending upon bulk density
Control feed, regulated feed by regulating speed of rotor by using VFD in motor
Labyrinth and mechanical seal option available
Available in direct coupled and Chain driven arrangements