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Glassco & Danlogitech Global Series

Laboratory Heating Mantles & Extraction Units

The complete Glassco range for distillation, reflux, and Soxhlet extraction. Microprocessor PID control, glass fibre yarn insulation, and CE-certified safety. 100 ml – 20,000 ml.

STANDARD MANTLES

Hot spots causing flask breakage and sample degradation.

GLASSCO PRECISION

360° soft-touch uniform heating with ±1°C PID stability.

DIRECT FACTORY QUOTE

B2B, OEM & Institutional Bulk Inquiries Only

READY FOR EXPORT • NABL COMPLIANT • OEM MANUFACTURER

Your Round-Bottom Flask Shouldn't Break Mid-Distillation.

Uneven heating from standard mantles creates hot spots that crack glassware, degrade samples, and force you to repeat entire runs. The cost is not just the flask — it is the reagent, the time, and the result.

Sample Loss

Hot spots crack flasks and contaminate samples — one failed run wastes hours of prep and expensive reagents.

Repeated Runs

Temperature drift forces you to restart synthesis cycles. Every re-run multiplies cost and delays your downstream timeline.

Compliance Risk

Non-certified equipment creates audit gaps in pharmaceutical and regulated lab environments. One finding can hold up an entire batch.

The hidden cost of cutting corners

Your mantle is costing you more
than you think. Here's how.

Most labs don't replace a bad heating mantle until after a batch fails. By then, the real damage — reagents, time, compliance, reputation — is already done.

Uneven heating destroys your sample

Standard element-in-contact mantles create hot spots. One side of your flask runs 30–40°C hotter than the other. That's enough to degrade heat-sensitive compounds, denature proteins, and invalidate an entire run before you realise what went wrong.

1 hot spot = entire batch at risk

No timer means no unsupervised runs

Analogue mantles with no auto-cutoff require a technician to physically watch every long reflux or distillation. That's 4–8 hours of skilled labour per run that cannot be used elsewhere. Multiply by your weekly run count and the true cost becomes clear.

8 hrs/run of supervised idle time wasted

Flask breakage = chemical spill incident

Without a spill-collect system, a shattered flask during reflux spreads hot solvent across the bench. Beyond the safety incident report, you're looking at lab shutdown, deep cleaning, and regulatory inspection. One incident can cost weeks of downtime.

₹50,000+ average spill incident cost

±10% accuracy fails pharma QC

Standard analogue mantles offer ±10% temperature control accuracy. For pharmaceutical synthesis, food safety testing, and export compliance, most protocols require ±1–2°C. A mantle that can't meet that spec means your results cannot be submitted — or exported.

±10% accuracy = failed QC documentation

Export buyers demand CE certificates

If you're a distributor buying for resale into Europe, the US, or the Gulf — your end customer's procurement team will ask for UL and CE documentation. A mantle without certified paperwork will be returned at customs or rejected at the institution's purchase gate.

0 certificates = blocked at import gate

No probe = no real temperature control

Mantles without an external PT100 probe only measure surface temperature — not the actual temperature of your reaction medium. The gap between the two can be 20–60°C. You are not controlling your reaction. You are guessing. And guessing costs reproducibility.

20–60°C gap between plate temp and liquid temp

The Glassco BlackDiamond difference

Every issue above is engineered out of the BlackDiamond series. Glass fibre yarn mantle eliminates hot spots. External PT100 probe measures liquid temperature directly. Patented spill-collect system contains breakage up to 5 L. ±1°C PID accuracy meets pharma and food safety documentation standards. UL + CE certified on every unit shipped, export-ready.

See the full series →

COMPREHENSIVE PRODUCT SERIES

Explore the complete 2026 Danlogitech by Glassco’s Heating Mantle portfolio.
Engineered for durability, thermal stability, and operator safety.

Analogue Heating Mantle — BlackDiamond™

Reliable, cost-effective heating for routine lab applications. Glass fibre yarn knitted mantle, analogue energy regulator, spill-collect system. DIN 12347 compliant. 100 ml – 20,000 ml.

100ml to 20,000ml
Max Temp ~400°C
PU Coated SS & Aluminium Body

BEST SELLER

Digital Heating Mantle — BlackDiamond™ Pro

Microprocessor-controlled with LED display and external PT100 probe for direct liquid temperature control. Mantle/probe selection. Glass fibre insulation saves power wastage. 100 ml – 5,000 ml.

PID Temperature Controller
Accuracy ±1°C
External Probe (PT-100)

Heating Mantle with Stirrer — BlackDiamond™

Integrated magnetic stirrer with electronic speed control up to ~800 RPM. Independent heat and stir controls. Available in analogue (1223) and digital with probe (1221) variants. 100 ml – 5,000 ml.

Stirrer speed up to ~800 RPM
Electronic speed control
100ml – 5,000ml capacity

Multi-Position Combined Units

Purpose-built for Soxhlet extraction and multiple simultaneous distillations. Available in 3-position and 6-position configurations. Flask capacity 100 ml – 500 ml per position. Mild steel body.

100ml – 500ml per position
Individual control per position
3-position & 6-position configs

Our Portfolio

	1220 DNEU 200–1850W	1222 DNEU 200–650W	1223 DNEU 220–670W	1221 DNEU 220–670W	1225 DNEU 200–670W
HOLDING CAPACITY	20,000 ml	5000 ml	5000 ml	5000 ml	5000 ml
STIR 800 RPM
DISPLAY		1 LED		1 LED	HEAT \| STIR \| TIME (3 LED)
TIMER
KNOB	HEAT	HEAT	HEAT & STIR	HEAT & STIR	TOGGLE HEAT / STIR / TIME
INBUILT PROBE
MANTLE / PROBE
CELSIUS / FAHRENHEIT
PT100 SENSOR

The Glassco Difference — By The Numbers

±1°C

PID Temperature Accuracy

48 hr

Burn-in Tested Every Unit

20L

Largest Capacity — Single Supplier

107+

Countries Supplied Globally

Why Dan Logitech?

Glassco: Structural Excellence

Woven Glass Fiber ensures no direct element-to-flask contact, preventing thermal shock. Chemical-resistant powder coating protects the housing against corrosive spills.

Dan logitech: Intelligent Control

Proprietary PID algorithms eliminate overshoot. Dual-display monitoring (Set Value vs Process Value) ensures your reaction stays within safety parameters.

Reliability Testing

Every unit undergoes a 48-hour burn-in test. CE and ISO certifications come standard for all global laboratory compliance requirements.

Exporting Innovation

NABL, ISO, and CE certified instruments for pharmaceutical R&D, chemical synthesis, and petroleum testing worldwide.

CORE LABORATORY APPLICATIONS

Distillation & Fractionation

Essential for separating components based on volatility. Our mantles provide the uniform heating necessary to maintain a constant boiling point, crucial for high-purity fractionation.

Reflux Reactions

For organic synthesis requiring long-term heating without solvent loss. The PID controllers prevent thermal runaway, ensuring stable reflux conditions for hours or days.

Soxhlet Extraction

Widely used in food science and environmental testing. Our multi-position 'Extraction Banks' are specifically designed to house Soxhlet apparatus with dedicated control for each flask.

Vacuum Distillation

Heating heat-sensitive compounds at lower pressures. The precise voltage regulation of our analog series allows for the delicate 'nudging' of temperatures required under vacuum.

Product Portfolio & Specification Matrix

All BlackDiamond™ series — wattage by capacity and feature set in one view.

Download Catalogue

Flask Capacity → Series	Analogue · 1220 Analogue Heating Mantle 200–1850 W	Digital · 1222 Digital Heating Mantle 200–650 W	Analogue+Stir · 1223 Analogue with Stirrer 220–670 W	Digital+Stir · 1221 Digital with Stirrer 220–670 W	Advanced PRO · 1225 BlackDiamond PRO 220–670 W · ±1°C
Wattage by flask capacity — all series, DIN 12347 compliant
100 ml Microchemistry	200 W	200 W	220 W	220 W	220 W
250 ml Standard distillation	200 W	200 W	220 W	220 W	220 W
500 ml Standard distillation	250 W	250 W	270 W	270 W	270 W
1,000 ml Reflux reactions	350 W	350 W	370 W	370 W	370 W
2,000 ml Organic synthesis	500 W	500 W	520 W	520 W	520 W
3,000 ml Soxhlet extraction	500 W	500 W	520 W	520 W	520 W
5,000 ml Pilot scale	650 W	650 W	670 W	670 W	670 W
10,000 ml Bulk production	1,250 W	Not avail.	Not avail.	Not avail.	Not avail.
20,000 ml Bulk production	1,850 W	Not avail.	Not avail.	Not avail.	Not avail.
Feature set per series — all include glass fibre yarn mantle, PU-coated SS & aluminium body, spill-collect system, IP10
Max capacity	20 L	5 L	5 L	5 L	5 L
Temp range	~400°C	~400°C	~400°C	~400°C	~350°C
Control type	Analogue knob	Digital display	Analogue knobs	Digital display	Multi-turn knob
LED display		1 LED		1 LED	3 LED
Stirrer ~800 RPM					50–800 RPM
PT100 probe
Mantle/probe select
C° / F° toggle
Timer					1–99:59 min
Temp accuracy	10%	10%	10%	10%	±1°C
Dual PT sensors
Hot top indicator
Certifications	UL Listed · CE Certified · Design Patented · DIN 12347 · ISO 9001:2015
Voltage variants	230V/50Hz (DNEU codes) · 115V/60Hz (DNUS codes) — both production-standard
Item codes — specify DNEU (230V/50Hz) or DNUS (115V/60Hz) when ordering
230V codes	1220.DNEU.01–11	1222.DNEU.01–08	1223.DNEU.01–08	1221.DNEU.01–08	1225.DNEU.01–08
115V codes	1220.DNUS.01–11	1222.DNUS.01–08	1223.DNUS.01–08	1221.DNUS.01–08	1225.DNUS.01–08
	Request Quote	Request Quote	Request Quote	Request Quote	Request Quote

* Digital (1222) and all stirrer series (1221 / 1223 / 1225) available up to 5,000 ml only. * 1220 analogue series available up to 20,000 ml. * Multi-position Soxhlet banks (series 2600, 3-pos and 6-pos) available separately — flask size 100–500 ml per position.

Benchmarking Table: Analog vs. PID Digital

Parameter	Analogue Series (1220 / 1223)	Digital Series (1222 / 1221 / 1225)
Temperature range	Ambient to ~400°C	Ambient to ~400°C (PRO: ~350°C)
Control type	Analogue energy regulator (knob)	Microprocessor / digital display
Control accuracy	10%	10% (PRO: ±1°C resolution)
External probe	—	PT100 included (liquid temp control)
Stirrer speed	~800 RPM (1223 series only)	~800 RPM · PRO: 50–800 RPM in 50 RPM steps
Timer	—	1 min – 99:59 min (PRO series)
C°/F° toggle	—	✓ (digital series)
Hot top indicator	—	✓ (PRO series)
Mantle material	Glass fibre yarn	Glass fibre yarn
Body material	PU-coated SS & aluminium	PU-coated SS & aluminium
Spill-collect system	✓ (up to 5 L)	✓ (up to 5 L)
Glass fibre insulation	—	✓ (power saving)
IP class	IP 10	IP 10
Certifications	UL · CE · Design patented	UL · CE · Design patented
Typical use case	Routine distillation, cost-sensitive labs	Pharmaceutical R&D, precise synthesis, QC labs

Why Glassco Power Elements Outperform Competitors

At the heart of every Danlogitech heating mantle is our glass fibre yarn knitted mantle that ensures uniform, contact-free heating of the flask. The woven glass fibre acts as a thermal buffer — eliminating hot spots and preventing the thermal shock that causes flask breakage and sample degradation.

Safety is built into every BlackDiamond series mantle. The patented spill-collect system contains spillage from flask breakage up to 5 L within the mantle body. The PRO series (1225) adds dual PT sensors that independently cross-check temperature readings — triggering safe shutdown if either sensor reads an anomaly.

Internal Earthing

Integrated grounding throughout the element net and housing prevents electrical surges in case of liquid spillages or flask breakage.

PID Intelligence

Our microprocessor controllers utilize auto-tuning PID algorithms to eliminate temperature overshoot, protecting sensitive samples.

OEM & Distributor Benefits

Private Labeling

Full white-label manufacturing including customized housing colors and branding.

Inventory Priority

Tier-1 distributors get dedicated production queue slots for 24-hour dispatch.

Technical Documentation

NABL, CE, and ISO certificates provided for all local regulatory compliance.

TECHNICAL FAQ

Can the mantles operate continuously for 24/7 distillation?

The industrial analogue series (1220 — 10,000 ml and 20,000 ml) is rated for continuous operation. For long-term programmable cycles in smaller sizes, the Advanced Digital PRO (1225) with its timer and dual-sensor safety system is the recommended choice. The timer can be set from 1 min to 99:59 min with automatic shutoff.

Is it possible to use flat-bottom beakers?

No. All heating mantles are designed strictly for Round Bottom (RB) Flasks conforming to DIN 12347 to ensure proper surface contact.

For flat-bottom glassware, please enquire about DAN Logitech Hotplates (series 500B, 900) or the Digital Dry Block Heater (series 740/750).

What happens if chemicals spill into the mantle?

The patented spill-collect system on all BlackDiamond series mantles is designed to contain spillage from flask breakage up to 5 L within the mantle body. The glass fibre heating net is chemically inert to most organic solvents. Switch off power immediately and dry-clean before reuse.

What is the actual stirrer speed on heating mantle models?

All stirrer-equipped heating mantles (series 1221, 1223, 1225) provide a maximum of ~800 RPM variable electronic stir control. The PRO series (1225) offers step control in 50 RPM increments from 50–800 RPM. Note: standalone DAN Logitech hotplate stirrers (series 500B, 900) reach up to 2,000 RPM — these are different products.

What voltage variants are available for export?

All BlackDiamond series are available in both 230V/50Hz (DNEU item codes — Europe, India, Middle East) and 115V/60Hz (DNUS item codes — USA, Americas, Japan). Both are production-standard. Specify voltage when placing an order. Example: 1222.DNEU.04 (1000 ml, 230V) vs 1222.DNUS.04 (1000 ml, 115V).

Trusted by 5,000+ Laboratories in 85 Countries

Pharmaceutical R&D · Chemical Synthesis · Petroleum Testing · Academic Research

“We switched from a local supplier to Glassco across our entire synthesis lab — 14 mantles, multiple sizes. Not a single unit has failed in two years of continuous use. The PID accuracy is genuinely what it says on the spec sheet.”

Procurement Lead
Contract Research Organisation, Germany

“CE certification and NABL compliance documentation came with every order — no chasing, no waiting. That alone saved us weeks of regulatory back-and-forth. The mantles perform exactly as specified.”

Lab Manager
Petroleum Testing Laboratory, UAE

500+
Distributors Worldwide

ISO 9001:2015
Certified Manufacturing

24 hr
Factory Quote Turnaround

TRUSTED BY 5,000+ LABS WORLDWIDE

Ready to upgrade your laboratory heating instrumentation?

A global leader in laboratory glassware and instrumentation. Partnering with Danlogitech to deliver high-precision heating solutions to the pharmaceutical, academic, and industrial sectors.