GREIF Archives - Brickonix

Type: Quarter-turn rotary valve (Butterfly type)
Load: Handles fluid pressure loads; moderate pressure handling compared to ball or gate valves
Cage: Typically no cage; uses a central shaft and disc mechanism
Performance: Fast operation, moderate flow control accuracy, low resistance in open position
Construction: Valve body + rotating disc + central shaft + seat (resilient or metal) + actuator/handle
Use cases: Water systems, HVAC, gas lines, chemical flow control, irrigation, industrial piping
Note: Not ideal for high-pressure precision throttling; ensure proper sealing material for leak prevention and long service life

Type: Check valve (non-return valve)
Load: Handles fluid pressure loads in one direction; blocks reverse pressure
Cage: Internal guide or spring mechanism (varies by design such as spring-loaded or swing type)
Performance: Quick response, low backflow leakage, stable operation under varying pressures
Construction: Valve body, seat, disc/ball or poppet, optional spring mechanism, threaded or flanged ends
Use cases: Pumps, compressors, pipelines, hydraulic and pneumatic systems, water and fluid control setups
Note: Install in correct flow direction (marked on body); ensure compatibility with pressure, fluid type, and operating conditions

Type: Air-Operated Double Diaphragm (AODD) pump
Load: Handles fluid pressure loads; suitable for low to medium pressure transfer applications
Cage: Not applicable (uses flexible diaphragms instead of rolling elements)
Performance: Steady flow, self-priming, can run dry, handles solids and viscous fluids well
Construction: Dual diaphragm chambers, air valve system, check valves, and fluid housings (metal or plastic options)
Use cases: Chemical handling, slurry transfer, oil and fuel movement, wastewater, coatings, and industrial processing
Note: Requires clean, regulated compressed air; efficiency depends on air supply quality and proper diaphragm material selection

Type: Gear pump (external or internal gear type)
Load: Handles hydraulic pressure loads; designed for steady fluid displacement
Cage: No cage; uses meshing gears supported by bearings/bushings
Performance: Steady flow, moderate pressure capability, efficient with viscous fluids
Construction: Housing + driving and driven gears + shafts + seals; close-clearance design
Use cases: Hydraulics, lubrication, fuel transfer, oil circulation, industrial fluid systems
Note: Requires clean fluid and proper lubrication; avoid dry running to prevent damage

Type: Globe valve with non-return (check) function
Load: Handles fluid pressure loads; designed for moderate to high-pressure systems
Cage: Internal guide or seat structure for flow control and sealing (varies by design)
Performance: Precise flow control with reliable backflow prevention and tight sealing
Construction: Valve body, seat, disc, stem, and check mechanism integrated into one unit
Use cases: Flow regulation and backflow prevention in pipelines, pump systems, and industrial processes
Note: Install in correct flow direction; not ideal for applications requiring full, unrestricted flow due to pressure drop characteristics

Type: O-ring kit (PVC, assorted sizes)
Load: Suitable for low to moderate pressure sealing; not for high-load dynamic sealing
Cage: Not applicable (solid elastomer ring design)
Performance: Reliable sealing for basic applications; moderate flexibility and chemical resistance
Construction: Solid PVC rings molded in various standard sizes, stored in organized kit box
Use cases: Plumbing repairs, air line sealing, general maintenance, light industrial use
Note: Avoid high temperatures and aggressive chemicals; ensure proper sizing and groove fit for effective sealing

Type: Reciprocating piston pump (positive displacement)
Load: Handles high-pressure loads with steady flow output
Cage: Not typically cage-based; uses piston, seals, and valve assemblies
Performance: High efficiency, accurate flow control, capable of very high pressures
Construction: Cylinder block, reciprocating piston, inlet/outlet valves, seals, and drive mechanism
Use cases: Hydraulic power units, chemical injection, pressure cleaning, oil transfer, industrial fluid systems
Note: Requires regular seal maintenance and clean fluid supply; not ideal for highly abrasive or contaminated fluids without proper filtration

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