Plastic/Ceramic/Metal Pall Ring Random Packing Pall Ring Packing

• Customization: Available
• Active Ingredient Content: Plastic/Ceramic/Metal
• Application: Automotive Industry, Electronics, Electronics Industry, Medical Industry, Packaging Industry, Chemical and Petrochemical, Environmental Protecti
• Model NO.: RJ-2782
• CAS No.: 65997-19-5
• Color: Multiple Colors
• EINECS: 266-340-9
• Form: Cylindrical
• Purity: 99%
• Material: Plastic/Ceramic/Metal
• Type: Random Packing
• Usage: Chemical and Petrochemical, Environmental Protecti
• Effect: Random Packing
• Advantage: High Temperature Resistance
• Character: Excellent Acid Resistance
• Transport Package: Carton Box, Ton Bag, Steel Drum
• Specification: 10mm 16mm 25mm 38mm 50mm 75mm
• Trademark: RONGJIAN
• Origin: China
• HS Code: 8419909000
• Production Capacity: 10000ton/Year
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 500.000kg

Product Description

Pall Rings are a commonly used type of random packing, widely applied in chemical and environmental engineering processes (such as absorption towers, scrubbers, and distillation columns) to enhance gas-liquid mass transfer efficiency. Pall Rings made of ceramic, metal, and plastic each have distinct characteristics, making them suitable for different operating conditions. Below is a comparative analysis of their applications and advantages.

 

Application

 

1. Ceramic Pall Rings

Features:

• Material: Typically made of high-alumina ceramics or silicon carbide, offering excellent corrosion and high-temperature resistance.
• Structure: Rough surface with high void ratio, internal ribs, and window designs to improve liquid distribution.

Advantages:

• Corrosion Resistance: Suitable for strong acids (e.g., sulfuric acid, hydrochloric acid), alkalis, and organic solvents.
• High-Temperature Resistance: Can operate continuously at temperatures above 800°C (e.g., flue gas treatment, incinerators).
• Cost-Effectiveness: Lower cost than metal, ideal for large-scale packing.

Applications:

• Acid/alkali gas absorption (e.g., sulfuric acid plants, fertilizer factories).
• High-temperature waste gas treatment (e.g., ceramic kilns, power plant desulfurization towers).
• Mass transfer in corrosive chemical reaction towers.

Limitations:

• Brittle and prone to breakage, unsuitable for high-impact or vibration-prone environments.
• Heavyweight, requiring stronger structural support for towers.

 

2. Metal Pall Rings

Features:

• Material: Stainless steel (304/316), carbon steel, titanium alloys, etc., with high strength and thin-wall design.
• Structure: Smooth surface, optimized void ratio, high gas throughput, and low pressure drop.

Advantages:

• Mechanical Strength: Impact-resistant and pressure-tolerant, suitable for high-pressure towers (e.g., petroleum distillation).
• High Mass Transfer Efficiency: Thin walls increase surface area, ensuring uniform gas-liquid distribution.
• Reusable: Can be cleaned and reused multiple times, offering a long service life.

Applications:

• Petrochemical industry (e.g., crude oil fractionation, ethylene plants).
• Air separation, natural gas dehydration, and other high-pressure processes.
• High-purity product distillation (e.g., pharmaceuticals, electronic-grade chemicals).

Limitations:

• Higher cost (especially titanium alloys).
• Some metals are not resistant to strong acids (e.g., hydrochloric acid requires Hastelloy).

 

3. Plastic Pall Rings

Features:

• Material: PP (polypropylene), PVC (polyvinyl chloride), PTFE (polytetrafluoroethylene), etc.
• Structure: Lightweight, with optional internal ribs or textured surfaces.

Advantages:

• Chemical Resistance: PP/PVC resist acids and alkalis; PTFE is nearly inert to all chemicals.
• Lightweight: Low packing density reduces tower load and simplifies installation.
• Low Cost: Suitable for one-time or short-term projects (e.g., wastewater treatment).

Applications:

• Environmental engineering (e.g., exhaust gas scrubbers, wastewater treatment).
• Low-temperature (<100°C) corrosive media (e.g., acid mist treatment in electroplating plants).
• Food/pharmaceutical industries (must comply with FDA standards).

Limitations:

• Limited temperature resistance (PP up to ~80°C; PTFE up to 260°C but expensive).
• Prone to aging (reduced lifespan under UV or oxidative conditions).

 

Product Parameters

Plastic Pall Ring:
 

Specification (mm)	Size (mm)	Surface area (m²/m³)	Free volume (%)	Bulk numbers (per/ m3)	Bulk density (kg/m3)	Dry packing Factor (m-1)
φ16	16*16*1	320	88	214000	108	376
φ25	25*25*1.2	213	90	53500	68	285
φ38	38*38*1.4	151	91	15800	60	220
φ50	50*50*1.5	100	91.2	6500	45	127
φ76	76*76*2.6	73	92	1930	48	94
φ90	90*90*2.0	58	94	1200	40	86

Ceramic Pall Ring:
 

Specification (mm)	Size (mm)	Surface area (m2/m3)	Free volume (%)	Bulk numbers (per/ m3)	Bulk density (kg/m)	Dry packing Factor (m-1)
φ25	25*25*3	238	73	53500	600	565
φ38	38*38*4	197	75	13400	570	365
φ50	50*50*5	120	78	6800	550	252
φ80	80*80*8	75	80	1930	520	146

Metal Pall Ring:
 

Size    (mm)	Surface area (m2/m3)	Free volume   (%)	Bulk numbers (Piece/m³)	Bulk density       (Kg/m3)
10×10×0.3	482	93.8	768000	480
16×16×0.3	362	94.9	214000	408
25×25×0.4	219	95	51940	403
38×38×0.6	146	95.9	15180	326
50×50×0.8	109	96	6500	322
76×76×1	71	96.1	1830	262

 

Detailed Photos

Metal ball rings are particularly outstanding in the following industrial scenarios due to their high strength, corrosion resistance and excellent mass transfer performance:

Crude oil fractionation, amine desulfurization, natural gas dehydration, waste gas treatment, distillation and purification of organic solvents such as acetone and methanol, catalyst support and gas-liquid distribution in hydrogenation reactors, hydrogen chloride absorption towers in the preparation of lithium battery materials, synthetic ammonia towers, circulating gas washing of methanol synthesis reactors.

Five core advantages of metal ball rings:

• Mechanical Strength: Impact-resistant and pressure-tolerant, suitable for high-pressure towers (e.g., petroleum distillation).
• High Mass Transfer Efficiency: Thin walls increase surface area, ensuring uniform gas-liquid distribution.
• Reusable: Can be cleaned and reused multiple times, offering a long service life.

Plastic Pall Rings are a kind of high-efficiency random packing, which is widely used in towers (such as absorption towers, washing towers, distillation towers, cooling towers, etc.) in the fields of chemical, environmental protection, petroleum, pharmaceutical, etc., mainly used for mass transfer, heat transfer and reaction processes between gas and liquid or liquid and liquid. The following are its specific applications and advantages:

Main applications of plastic Pall Rings: distillation and rectification, gas absorption, solvent recovery, waste gas treatment, wastewater treatment, desulfurization and decarbonization, purification process, cooling towers, humidification towers, drying towers and other heat transfer equipment

Core advantages of plastic Pall Rings:

• Chemical Resistance: PP/PVC resist acids and alkalis; PTFE is nearly inert to all chemicals.
• Lightweight: Low packing density reduces tower load and simplifies installation.
• Low Cost: Suitable for one-time or short-term projects (e.g., wastewater treatment).

Ceramic ball ring is a commonly used random packing, widely used in towers (such as absorption towers, washing towers, distillation towers, etc.) in the fields of chemical industry, environmental protection, petroleum, etc. Its unique structural design and the characteristics of ceramic materials give it significant advantages. The following are its application fields and advantages.

Main applications of ceramic ball rings:

1. Gas absorption and purification
2. Distillation and separation
3. Cooling and washing
4. Catalytic reaction

Core advantages of ball rings

• Corrosion Resistance: Suitable for strong acids (e.g., sulfuric acid, hydrochloric acid), alkalis, and organic solvents.
• High-Temperature Resistance: Can operate continuously at temperatures above 800°C (e.g., flue gas treatment, incinerators).
• Cost-Effectiveness: Lower cost than metal, ideal for large-scale packing.

 

Product Line

Packaging & Shipping

FAQ

Q1: Where Is Your Factory Located?

A: Our factory are located in No.1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang City, Jiangxi,China.welocme your visiting.

Q 2: What Are Your Main Products?
A:Our factory mainly produces various kinds of ceramic balls, molecular sieves, actived alumina, tower random packing,plastic and metal material, environmental filter materials, high-performance ceramics and so on.

Q3: What Kind Of Payment Do You Accept?
A:we accept T/T,western union.

Q4:What's your terms of delivery?
A:EXW, FOB, CIF .

Q5: Can I get free samples?                                               
A: Yes, free samples 1-2 kg,please advise your contact details.

Q6: What is your MOQ?
A: The MOQ is different as per different products, for example, 1 Ton for ceramic ball.