Random Tower Packing Materials & Applications
Plastic Random Packing / Metal Random Packing / Ceramic Random Packing / Project Applications
Pingxiang DAIER supplies a broad range of random tower packing for gas scrubbers, absorption towers, stripping columns and chemical process equipment. Packing material, geometry and size can be selected according to process medium, operating temperature, hydraulic conditions and project requirements.
More Random Packing Options
The products shown below represent only part of our random packing range. Additional geometries, materials and sizes are available for different tower and process requirements. If your required packing is not shown, send us your operating conditions, existing specification, drawing or sample information for technical review and selection support.
Plastic Random Packing for Gas Scrubbers & Packed Towers
Pingxiang DAIER supplies a broad range of plastic random packing for gas scrubbers, absorption towers, stripping columns and other packed mass-transfer equipment. Available product types include PP Pall Rings, Plastic Raschig Rings, Tellerette Rings, Tri-Pack, Plastic Conjugate Rings, Plastic Saddles and other open-structure random packing geometries. Materials such as PP, PVC, CPVC and PVDF can be selected according to chemical compatibility, operating temperature, pressure drop, fouling tendency and hydraulic requirements. Standard and project-specific sizes are available for new installations, tower retrofit and packing replacement projects.
PP Pall Rings
PP Pall Rings are widely used as plastic random packing in gas scrubbers, absorption towers and other packed columns. Their open-wall geometry helps provide gas-liquid contact while maintaining low pressure drop. Pingxiang DAIER supplies PP Pall Rings in different sizes for new tower projects, replacement packing and bulk industrial requirements.
PVDF Raschig Rings
PVDF Raschig Rings are used as random packing in packed towers handling highly corrosive chemical media. PVDF provides strong chemical resistance and is suitable for demanding gas scrubbing, absorption and chemical processing applications. Pingxiang DAIER supplies PVDF Raschig Rings in different sizes for new installations and replacement projects.
Plastic Tellerette Ring
Plastic Tellerette Rings are lightweight random packing elements used in gas scrubbers, absorption towers and other packed columns. Their open rosette-style structure provides a large void space for gas flow and promotes gas-liquid contact while helping maintain low pressure drop. Different plastic materials and sizes can be supplied according to process conditions and project requirements.
Plastic Tri-Pack
Plastic Tri-Pack is a high-open-area random tower packing used in gas scrubbers, absorption towers and other packed columns. Its spherical open-grid structure promotes gas-liquid contact while providing large void space and low resistance to gas flow. Pingxiang DAIER supplies Tri-Pack in different sizes and plastic materials according to process conditions, tower design and project requirements.
Plastic Hollow Float Balls
Plastic Hollow Float Balls are lightweight floating elements used for liquid-surface coverage and process applications where evaporation, heat loss or gas release needs to be reduced. Different diameters and shapes can be supplied according to tank size, liquid medium and operating requirements.
Plastic Conjugate Ring
Plastic Conjugate Rings are open-structure random packing elements used in gas scrubbers, absorption towers and other packed columns. Their internal curved ribs and large void space help promote gas-liquid contact while maintaining low pressure drop. Different plastic materials and sizes can be supplied according to chemical compatibility, operating temperature and project requirements.
Ceramic Random Packing & Industrial Adsorbent Media
Pingxiang DAIER supplies ceramic random packing and related industrial media for packed towers, absorption systems, drying towers, acid treatment, gas purification and chemical processing. Our range includes Ceramic Raschig Rings, Ceramic Pall Rings, Ceramic Saddles and other ceramic packing geometries, together with Activated Alumina for adsorption and drying applications. Different sizes and specifications are available for new installations, tower retrofit, media replacement and industrial bulk supply.
Ceramic Saddles
Ceramic Saddles are widely used as random packing in absorption towers, drying towers, acid treatment systems and other corrosive chemical processes. Their curved geometry provides exposed surface area and open flow paths for gas-liquid contact. Different sizes are available according to tower diameter, hydraulic conditions and process requirements.
Activated Alumina Balls
Activated Alumina is a porous adsorbent media used for moisture removal, gas drying, purification and selected industrial treatment applications. Different particle sizes and grades can be supplied according to adsorption duty, operating conditions and replacement requirements.
Ceramic Pall Rings
Ceramic Pall Rings are open-wall random packing elements designed for packed towers operating under corrosive or elevated-temperature conditions. They are used in chemical absorption, gas treatment, drying and other mass-transfer applications where ceramic material performance is required.
Metal Random Packing for Process & Mass Transfer Towers
Pingxiang DAIER supplies metal random packing for distillation columns, absorption towers, stripping systems, gas treatment and other mass-transfer equipment. Available options include Stainless Steel Pall Rings, Metal Raschig Rings, IMTP-type packing, Metal Saddles, wire mesh random packing, triangular spiral packing and other metal packing geometries. Materials and sizes can be selected according to corrosion conditions, operating temperature, hydraulic load, pressure drop and separation requirements.
Stainless Steel Triangular Spiral Packing
Stainless Steel Triangular Spiral Packing is a small-size metal random packing used in laboratory columns, pilot-scale separation equipment and specialized mass-transfer applications. Its fine spiral geometry provides a large contact surface within a compact packing volume and can be supplied in different sizes according to column and process requirements.
Metal Cascade Mini Ring
Metal Cascade Mini Rings (CMR) are high-capacity metal random packing used in absorption, stripping, distillation and other packed-column applications. Their low-profile ring geometry, open sidewall and inward-curved elements provide open gas-liquid flow paths and effective contact within the packed bed. Different sizes and stainless steel materials are available according to tower and process requirements.
Metal Wire Mesh / Dixon-Type Packing
Metal wire mesh random packing provides a high effective surface area for gas-liquid contact and is used in separation, distillation and other mass-transfer applications requiring efficient wetting and compact packing geometry. Material, size and mesh structure can be selected according to process conditions and column requirements.
Metal Pall Ring
Metal Pall Rings use punched windows and inward-formed tabs to create an open structure for vapor and liquid flow through the packed bed. Different nominal sizes can be selected according to tower diameter, hydraulic load, pressure-drop requirements and mass-transfer duty. Stainless steel options are available for chemical and process tower applications.
Random Tower Packing FAQ – Types, Materials, Selection & Procurement
1. Random Packing vs. Structured Packing: Which Should I Choose?
Random packing consists of individual rings, saddles, or other shaped elements loaded into a packed column. Structured packing uses arranged elements designed to create defined gas-liquid flow passages.
Random packing is commonly selected for chemical absorption, gas scrubbing, stripping, and tower replacement projects because of its variety of materials, available geometries, and installation flexibility.
Structured packing may be preferred for applications requiring low pressure drop or specific separation performance, particularly in selected distillation services.
The appropriate choice depends on column design, gas and liquid loading, operating pressure, fouling tendency, and separation requirements.
2. How Do I Choose Between Pall Rings, Raschig Rings, and Saddles?
Pall Rings, Raschig Rings, Intalox Saddles, and other random packing designs have different geometries and hydraulic characteristics.
Raschig Rings have a simple cylindrical shape and are frequently used in traditional packing applications and replacement projects.
Pall Rings feature openings and internal tabs to improve access to the packing surfaces and provide additional flow passages.
Saddle-type packing offers alternative contact and flow characteristics, while Cascade Mini Rings and other advanced geometries may be considered where capacity and pressure drop are important.
Selection should consider separation efficiency, pressure drop, packing size, material compatibility, and project requirements.
3. Metal vs. Plastic vs. Ceramic Random Packing: Which Is Better?
Metal random packing offers mechanical strength and is widely used in chemical distillation and separation applications where suitable alloys can withstand the process conditions.
Plastic random packing is lightweight and commonly selected for corrosion-resistant gas scrubbing, absorption, and water treatment applications within the chosen polymer's temperature limits.
Ceramic random packing may be suitable for high-temperature and selected acidic environments, depending on ceramic composition and chemical compatibility.
No single material is suitable for every application. Temperature, chemical composition, operating conditions, and mechanical requirements should determine material selection.
4. Which Random Packing Is Best for Gas Scrubbers?
Plastic Pall Rings, Tri-Packs, saddle-type packing, and other open-geometry random packing elements are commonly considered for industrial gas scrubbers.
The appropriate packing depends on gas velocity, liquid circulation rate, chemical compatibility, solids content, fouling tendency, and the required removal performance.
Open packing geometries may be advantageous where pressure drop and blockage risk are important considerations.
For industrial scrubber applications, buyers should provide the gas flow rate, liquid loading, process medium, operating temperature, and tower dimensions before selecting a packing type.
5. How Does Random Packing Size Affect Pressure Drop and Capacity?
Random packing size affects specific surface area, gas-flow resistance, liquid distribution, and hydraulic capacity.
Smaller packing elements generally provide greater geometric surface area per unit volume but may produce higher pressure drop under comparable operating conditions.
Larger packing elements typically provide more open flow passages, although separation performance and liquid distribution must still be considered.
The appropriate nominal size depends on tower diameter, gas and liquid flow rates, packing geometry, and process requirements.
Packing size alone is not sufficient to predict flooding limits or mass-transfer performance.
6. How Much Random Packing Does My Tower Need?
Random tower packing is commonly purchased by cubic meter (m³), although some orders are specified by weight.
For a cylindrical tower with a uniform packed bed, the preliminary packing volume can be estimated using:
Packing Volume (m³) = 3.1416 × (Tower Internal Diameter ÷ 2)² × Packed-Bed Height
All dimensions should be expressed in meters.
The estimate should be adjusted for internal obstructions and any sections that will not contain packing.
The total packing weight depends on the selected material, packing type, nominal size, and bulk density.
For purchasing, customers should confirm the required packing volume and product specifications before ordering.
7. Can I Replace Existing Tower Packing with a Different Random Packing?
Existing random packing can sometimes be replaced with another packing type during tower maintenance or revamp projects.
However, different packing geometries may produce different pressure drops, hydraulic capacities, packing weights, and mass-transfer characteristics.
Before changing the packing type, buyers should review the existing bed height, column diameter, liquid distribution arrangement, support plate capacity, and operating conditions.
For preliminary replacement discussions, customers can provide photographs, existing packing samples, drawings, or original technical specifications.
A change in packing type should not be treated as an automatic one-to-one replacement without appropriate technical evaluation.
8. What Information Is Required for a Random Tower Packing Quotation?
For an initial quotation, please provide:
Packing type: Pall Ring, Raschig Ring, Intalox Saddle, Cascade Mini Ring, Tri-Pack, or another specified design
Material: Metal, plastic, or ceramic, including the required grade
Nominal packing size
Quantity: Cubic meters (m³) or kilograms (kg)
Required specifications or technical drawings, if available
Application: Absorption, scrubbing, distillation, stripping, or other process
Operating temperature and chemical medium
Destination country and preferred shipping terms
For new packed tower applications, column diameter, packing height, gas and liquid flow rates, and operating pressure are also helpful.
Pingxiang Daier Separation Tech Co., Ltd. (DAIER) supplies random tower packing in metal, plastic, and ceramic materials for industrial separation and gas treatment applications. Contact us with your project requirements for product specifications and quotation options.
Request a Random Tower Packing Quote
Send us your tower conditions, packing requirements or existing specifications for technical review and quotation.
Contact: Lizzy Chung
Company: Pingxiang Daier Separation Tech Co., Ltd.
Email: lizzy@pxdaier.com
Main Website: www.pxdaier.com
Manufacturing base in Pingxiang, international business support in Xiamen, and technical support in Taiwan.
Helpful RFQ Information:
Tower diameter · Packing bed height · Required packing type/size · Material · Quantity · Operating temperature · Process medium · Gas/liquid conditions · Destination country/port
For replacement projects, existing packing specifications, drawings, photos or samples are also welcome.
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