Pneumatic Cylinders – Round Pneumatic Cylinders

Round Pneumatic Cylinders manufacturer, supplier, and exporter in India

Are you looking for superior quality Round Pneumatic Cylinders exporter and suppliers? Quick delivery and dispatch available with stainless steel barrels and ISO 6432 compliance.

Round Pneumatic Cylinders - Pioneer Industries
85+
Countries Served
12 – 50 mm
Bore Sizes
25 – 500 mm
Stroke Range
ISO 6432
Mini Standard
SS 304 Barrel
Corrosion Free
01 — Overview

Buy best price high-quality, corrosion resistant Round Pneumatic Cylinders, Round Body Pneumatic Cylinders, Pneumatic Cylinders, Round cylinder, Air Cylinders from Pioneer Industries recognized for manufacturing quality-tested products using latest manufacturing equipment at International Industry standards.

At Pioneer Industries, we offer these Industrial Round Pneumatic Cylinders having utmost functionality for your required applications. We are manufacturer, supplier of Round Pneumatic Cylinders and India’s leading Round Pneumatic Cylinders Exporters in Mumbai.

Global Supply

Pioneer Industries manufacturing and exporting high quality Round Pneumatic Cylinders worldwide.

Pioneer Industries manufactures and exports high quality Round Pneumatic Cylinders worldwide. Featuring sleek cylindrical profiles, crimped or threaded aluminium end caps, and mirror-finished stainless steel barrels, round cylinders provide exceptional longevity in compact footprint packaging and bottling machines.

Available in miniature bore sizes from 12 mm up to 50 mm, Pioneer Round Cylinders offer both single-acting and double-acting configurations with fixed or adjustable cushioning options.

To Get Quotes within hour Call Us at 9821023876 or Send Enquiry for the products you requires

02 — Product Detail

Description of Round Pneumatic Cylinders

Round Pneumatic Cylinders (often referred to as Mini Cylinders or Round Body Cylinders) are streamlined linear actuators conforming to ISO 6432 (miniature series for 8 mm to 25 mm bore) and extended round body standards up to 50 mm bore.

Featuring precision deep-drawn seamless stainless steel (AISI 304) cylinder barrels and anodized aluminium end caps joined via robust roller-crimping or precision threading, these cylinders provide unmatched corrosion resistance in damp, washdown, and food packaging environments.

With their integrated threaded nose neck mount and rear pivot clevis tang, Pioneer round cylinders install effortlessly into compact machinery spaces, providing smooth, high-speed cycling up to 1000 mm/s with minimal breakaway resistance.

Features of Round Pneumatic Cylinders:

  • Standardized miniature dimensional design per ISO 6432 for bore sizes 12 mm to 25 mm.
  • High-grade seamless AISI 304 Stainless Steel barrel with polished micro-finish internal bore.
  • Precision machined aluminium end caps permanently locked via high-integrity roller burnishing/crimping.
  • Stainless steel or hard chrome plated piston rod ensuring corrosion-free operation.
  • Integrated front nose mounting thread (M16x1.5 / M22x1.5) and rear pivot eye as standard.
  • Magnetic piston fitted as standard for contactless position sensor compatibility.
  • Fitted with dual rubber end bumpers or adjustable pneumatic cushioning on bore sizes >= 16 mm.
  • Operating pressure rating from 1 to 10 bar with proof pressure tested to 15 bar.
  • Ideal for food processing, pharmaceutical filling, textile machinery, and high-speed labeling.
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Specification Summary

Bore Sizes: 12, 16, 20, 25, 32, 40, 50 mm | Strokes: 25 mm to 500 mm | Working Pressure: 1 to 10 bar | Operating Medium: Compressed Air (filtered to 40 µm) | Temperature: -10°C to +70°C (High temp Viton up to +150°C) | Barrel: Stainless Steel SS 304 | End Caps: Anodized Aluminium Alloy | Piston Rod: Hard Chrome Steel / SS 304.

Technical Specifications & Engineering Data

Round Pneumatic Cylinders Engineering Sizing & Thrust Specifications

Explore comprehensive technical dimensional parameters, thrust force outputs at standard shop air pressures (6 bar), and port configurations engineered per international pneumatic standards.

Round Pneumatic Cylinders Dimensional & Force Reference Table
Standard Manufacturing Sizes
Part No.Bore SizeStroke LengthRod DiaPort ThreadThrust Force (6 bar)Operating Pressure
RBC-12-2512 mm25 mm6 mmM5x0.868 N1 - 10 bar
RBC-12-5012 mm50 mm6 mmM5x0.868 N1 - 10 bar
RBC-16-5016 mm50 mm6 mmM5x0.8121 N1 - 10 bar
RBC-16-10016 mm100 mm6 mmM5x0.8121 N1 - 10 bar
RBC-20-10020 mm100 mm8 mmG 1/8″188 N1 - 10 bar
RBC-20-15020 mm150 mm8 mmG 1/8″188 N1 - 10 bar
RBC-25-10025 mm100 mm10 mmG 1/8″295 N1 - 10 bar
RBC-25-20025 mm200 mm10 mmG 1/8″295 N1 - 10 bar
RBC-32-20032 mm200 mm12 mmG 1/8″482 N1 - 10 bar
RBC-40-25040 mm250 mm16 mmG 1/4″754 N1 - 10 bar
RBC-50-30050 mm300 mm20 mmG 1/4″1178 N1 - 10 bar
Metallurgical Material Grades & Seal Compounds
Standard & Sour Gas Alloys
Component Standard Specification Available Grades & Options
Cylinder Barrel Seamless Aluminium Alloy / AISI 304 / AISI 316 Hard Anodized 6063-T6 (25µm) SS 304 Polished SS 316 Marine Grade
End Caps / Covers Aluminium Die Cast / Ductile Iron / Forged SS High-Pressure Die-Cast Aluminium ASTM A536 Ductile Iron ASTM A182 F316
Piston Rod High-Tensile Carbon Steel / Stainless Steel Ground & Hard Chrome Plated CK45 SS 304 Precision Ground SS 316L Corrosion Resistant
Dynamic & Static Seals High-Performance Elastomeric Polymers Buna-N (NBR, -20°C to +80°C) Polyurethane (PU Wear Resistant) Viton (FKM, High Temp up to 150°C)
Fluid Ports Parallel / Tapered International Thread Standards G (BSPP) ISO 228 NPT ASME B1.20.1 Metric ISO 261 SAE Straight Thread O-Ring Boss

Customization Available: Need specialized stroke lengths, non-standard mounting flanges, dual-end rods, or harsh chemical washdown materials? Pioneer Industries custom designs and manufactures pneumatic actuators to your exact engineering drawings. Contact our technical team at +91 9821023876 or email inquiry@pioneerfitting.com.

03 — Applications

Applications / Uses of Round Pneumatic Cylinders

Pioneer Industries Pneumatic Cylinders deliver reliable linear thrust across high-cycle industrial automation systems, including:

01

Industrial Automation –

High-speed pick-and-place mechanisms, assembly robotics, transfer lines, and index tables demanding high precision and rapid cycle frequencies.

02

Packaging & Bottling –

Carton folding, capping, filling nozzle actuation, push-sorting gates, and blister pack sealing machines operating continuous 24/7 cycles.

03

Material Handling –

Conveyor diverters, lifters, pallet stops, transfer shuttles, and automated storage and retrieval systems (ASRS).

04

Automotive Manufacturing –

Body-in-white clamping fixtures, spot welding positioners, component press-fit cells, and powertrain testing rigs.

05

Machine Tool & Press Operations –

Sheet metal stamping feeds, workpiece hydraulic-pneumatic clamps, parts ejection, and safety door interlocks.

06

Food & Pharmaceutical Processing –

Cleanroom packaging, tablet press ejection, pouch sealing, and washdown sorting units utilizing hygienic corrosion-resistant materials.

07

Textile & Printing Machinery –

Web tensioning cylinders, print roller lifts, yarn cutter feeds, and high-frequency fabric folding mechanisms.

08

Heavy Industry & Metallurgy –

Blast furnace damper gates, billet guide positioners, rolling mill stops, and foundry mold pushers built for extreme shock resistance.

04 — Industries

Application Industries for Round Pneumatic Cylinders

Pioneer Industries’ Pneumatic Cylinders are globally trusted across critical manufacturing sectors:

+ Industrial Automation
+ Packaging Industry
+ Material Handling
+ Automotive Manufacturing
+ Food & Beverage
+ Textile Industry
+ Printing & Paper
+ Robotics & Pick-and-Place
+ Aerospace Industry
+ Nuclear Energy Sector
+ Plastics Processing
+ Oil & Gas Industries
+ Chemical Industry
+ Medical Equipment
+ Defence Industry
05 — Range

Types of Pneumatic Cylinders offered by Pioneer Industries

06 — FAQs

Frequently Asked Questions about Round Pneumatic Cylinders

Technical guidance, sizing insights, and engineering answers for plant engineers, machine builders, and procurement specialists sourcing pneumatic cylinders from Pioneer Industries.

A Round Pneumatic Cylinder is a circular-profile linear air actuator characterized by its cylindrical barrel and streamlined exterior. Designed according to ISO 6432 for miniature bore sizes (12 mm to 25 mm) and extended round specifications up to 50 mm, it features a stainless steel barrel, threaded nose mounting, and rear pivot eye, offering high speed, minimal space footprint, and exceptional corrosion resistance.
Round cylinders are frequently deployed in bottling, pharmaceutical packaging, printing, and textile machinery where machinery encounters frequent moisture, light washdowns, or corrosive vapors. Using seamless AISI 304 Stainless Steel barrels eliminates internal rust, resists abrasive particulate wear, and extends seal life significantly.
Pioneer ISO 6432 mini cylinders (12 to 25 mm) utilize roller-burnished crimped end caps for maximum joint strength and compact dimensions in disposable, maintenance-free operation. Larger round cylinders (32 to 50 mm) feature threaded end caps with wrench flats that allow disassembly for seal maintenance if needed.
Yes. All Pioneer round cylinders include an embedded magnetic piston ring. Reed or solid-state Hall effect sensors are secured around the cylindrical barrel using adjustable stainless steel band clamps, allowing quick axial adjustment of switching positions.
On bore sizes 12 mm, fixed rubber bumper cushions absorb end impact. On bore sizes 16 mm and above, Pioneer offers either rubber bumpers or adjustable pneumatic cushioning with micro-needle control screws, permitting safe deceleration of high-speed moving masses.
Standard stocked strokes range from 25 mm to 500 mm in 25 mm and 50 mm increments. Custom stroke lengths (e.g. 73 mm or 185 mm) can be manufactured with rapid turnarounds.
Pioneer supplies nose mounting lock nuts, front flange plates, foot mounting brackets, rear swivel clevis brackets, and rod clevises/spherical rod eye bearings compliant with ISO 6432.
Operating pressure ranges from 1 to 10 bar (14 to 145 PSI). Standard operating temperature is -10°C to +70°C. Optional high-temperature seals (Viton) allow continuous service up to +150°C.
Yes. Pioneer supplies all-stainless steel round cylinders (barrel, end caps, and rod all in SS 304 or SS 316) lubricated with NSF-H1 food-grade grease for direct washdown contact in meat, dairy, and beverage packaging lines.
Each shipment includes 100% factory leak test certificates, Material Test Reports (MTR) for stainless steel and aluminium components, and dimensional compliance certification.
07 — Enquiry

Contact Pioneer Industries experts for detailed information

about your pneumatic cylinder requirements to select the right bore, stroke, and mounting for your machine design!

Do you have custom specifications or need bulk order quotation? Submit an Enquiry Form request or Call us at 9821023876. Our engineering team is ready to assist you!