Planetary Orbital Pipe Saw (Cold Cut, High-Purity) — hero shot

Planetary orbital pipe saw on a work stand with its electric drive

Compact CT-4.5 planetary orbital pipe saw on a pedestal stand

Planetary orbital pipe saw range — five frame sizes on their stands

Close-up of a heavy-wall pipe clamped in the four jaws after a cold saw cut

Planetary orbital pipe saw on a pipe prefabrication line with roller supports

Planetary orbital pipe saw cutting long tube in a pipe shop, tube carried on roller stands

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Flex · Metabo Series ASME BPE ISO 14644 cleanroom-compatible

Planetary Orbital Pipe Saw (Cold Cut, High-Purity)

Name: Planetary Orbital Pipe Saw (Cold Cut, High-Purity)
Brand: Kedes Machine
SKU: Flex · Metabo Series

Orbital cold pipe saw with a blade that planet-gears around the workpiece — delivering a perpendicular cut (squareness < 0.25 mm) suitable for direct hand-off to an orbital welding head. Sized for high-purity 316L tubing in semiconductor, pharmaceutical and food-grade installations.

Cutting range

Ø 5 – 330 mm

Wall thickness

≤ 8 mm (Flex) / ≤ 4 mm (Metabo)

Squareness

< 0.25 mm

Drive options

Flex (premium) · Metabo (standard)

TYPICAL REPLY · 1 WORKING SHIFT (GMT+8)

01 Model Comparison

Pick your size — 9 models in the series.

	Metabo 3.0 Metabo · 5 – 78 mm	Metabo 4.5 Metabo · 19 – 120 mm	Flex 4.5 Flex · 19 – 120 mm	Metabo 6.5 Metabo · 20 – 170 mm	Flex 6.5 Flex · 20 – 170 mm	Metabo 8.5 Metabo · 59 – 220 mm	Flex 8.5 Flex · 59 – 220 mm	Metabo 13.5 Metabo · 140 – 330 mm	Flex 13.5 Flex · 140 – 330 mm
Cutting range (OD)	5 – 78 mm	19 – 120 mm	19 – 120 mm	20 – 170 mm	20 – 170 mm	59 – 220 mm	59 – 220 mm	140 – 330 mm	140 – 330 mm
Wall thickness (max)	4 mm	4 mm	8 mm	4 mm	8 mm	4 mm	7 mm	7 mm	7 mm
Motor power	1300 W	1300 W	1300 W	1300 W	1300 W	1300 W	1300 W	1300 W	1300 W
Net weight	17 kg	40 kg	40 kg	55 kg	55 kg	60 kg	60 kg	80 kg	80 kg
Drive motor	Metabo	Metabo	Flex (premium)	Metabo	Flex (premium)	Metabo	Flex (premium)	Metabo	Flex (premium)
Clamping	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric	4-jaw concentric
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02 Working Principle

How a planetary orbital saw cuts pipe square

The saw blade is mounted in a planet-gear carrier that revolves around the pipe axis while spinning on its own spindle. Because the blade orbits the pipe in a perfect circle, the cut surface is perpendicular to the pipe axis by construction — squareness measured under 0.25 mm without manual indication. A 4-jaw concentric clamp holds thin-walled stainless tubing without crushing or distortion (the failure mode of band saws and abrasive cutters on 316L sanitary tube). Cold-cutting with carbide tooling preserves the passive chromium-oxide layer that defines stainless corrosion resistance — a prerequisite for orbital welding without re-passivation.

Flex · Metabo Series working principle diagram

03 Key Features

Built for the job site.

// 01

Orbital cut — squareness < 0.25 mm

The cut surface drops directly into an orbital welding head without secondary facing or squaring. Standard tool in high-purity weld workflows where every joint must come off the saw weld-ready.

// 02

4-jaw concentric clamping

Multi-point clamping distributes grip force evenly around the pipe OD — holds thin-walled (0.5 mm) 316L tube without ovalization or witness marks. The failure mode of bench-saw and pipe-wrench setups.

// 03

Cold cutting — preserves passive layer

No heat input means no chromium depletion at the cut surface. Stainless retains its corrosion resistance without re-passivation — the prerequisite for sanitary and high-purity service.

// 04

Particle-free cut surface

Carbide blade with controlled chip evacuation produces a cut that meets cleanroom particle-count limits. No abrasive grit embedded in the surface (the failure mode of abrasive cutoff wheels).

// 05

Flex or Metabo motor variants

Flex variant for heavier wall (up to 8 mm) and higher duty cycle. Metabo variant uses the standard Metabo angle-grinder motor — global spares network, lower acquisition cost.

// 06

Fast diameter adjustment

Clamp setting adjusts in seconds across the model's working range. Important on fab runs that move between tube sizes (e.g. mixed 1/2", 3/4" and 1" sanitary lines).

04 Industry Applications

Where this series earns its keep.

Pharmaceutical & WFI water systems

Cutting 316L stainless tubing for WFI loops, CIP/SIP piping and bioprocess transfer lines. Cold cut + passive-layer preservation are USP/EU GMP weld-prep requirements.

See pharmaceutical & wfi water systems solutions

Semiconductor gas distribution

Particle-free cutting for ultra-high-purity gas lines in fab cleanrooms. Compatible with EP (electropolished) and BA (bright-annealed) tube finishes without secondary cleaning.

See semiconductor gas distribution solutions

Food, dairy & brewery sanitary piping

3-A and EHEDG-spec sanitary tube prep for dairy, brewery and beverage CIP loops. Squareness and surface finish meet hygienic-design weld requirements.

See food, dairy & brewery sanitary piping solutions

06 FAQ

Common questions about the Flex · Metabo Series.

Can't find your answer?

How is this different from an abrasive cutoff wheel or band saw?

An abrasive wheel embeds grit in the cut surface and creates a thermally affected edge that depletes chromium on stainless — both incompatible with sanitary service. A band saw produces an out-of-square cut that needs secondary facing before orbital welding. The planetary orbital saw addresses both — particle-free cold cut at squareness < 0.25 mm in one operation.

Flex or Metabo — which variant should I choose?

Choose Flex when wall thickness exceeds 4 mm — Flex variants handle up to 7 – 8 mm. Choose Metabo for thin-wall (≤ 4 mm) sanitary and gas tubing where the Metabo motor's wider spares network reduces field-maintenance cost. Both share the same orbital cutting head and clamping system.

Can the cut surface go directly to an orbital welder?

Yes — that is the design intent. Squareness < 0.25 mm and a cold-cut surface meet the fit-up tolerance of all major orbital welding heads (Polysoude, Arc Machines, Magnatech) without further facing.

Does it work on carbon steel as well as stainless?

Yes — same blade and clamping work on carbon, stainless and alloy tube. But the machine's design intent is high-purity stainless work; for general carbon-steel pipe cutting, split-frame (OC series) is often more economical.

07 Related Series

Other pipe cutting machines.

All pipe cutting machines

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