Laminar Air Flow Ceiling Supplier in India – Modular OT HEPA Plenums
Bio Meditech designs, manufactures, supplies, and validates certified Operation Theatre HEPA Air Filter Plenums, ISO Class 5 Cleanroom OT Airflow Systems, and NABH Compliant OT Air Handling Systems for hospitals, cardiac surgery centres, and orthopedic modular operating theatres across India.
Casing Material
SS 304 Welded
Cleanliness
ISO Class 5 (100)
Filter Grade
H14 Gel-Seal 99.995%
Service Scope
Lucknow & Pan-India
Laminar Air Flow Models & Cleanroom Plenums
Explore Bio Meditech's SS 304 laminar ceiling canopies, gel-seal H14 HEPA arrays, and monofilament diffusion screens. Click any model to view high-resolution photography and engineering specifications.
SS 304 Modular OT HEPA Air Filter Plenum
ISO Class 5 (Class 100) Cleanroom Airflow System
NABH Compliant 90 FPM Airflow System
Polyester Monofilament Diffusion Screen
H14 Gel-Seal Mini-Pleat HEPA Filter Array
Cleanroom HVAC & AHU Integration Hub
DOP / PAO In-Situ Aerosol Integrity Test Ports
Positive Pressure (+15 Pa) Air Plenum
Particle Count Validation & NABH Handover
Transparent Price Range & Institutional Tenders
Bio Meditech provides direct hospital procurement pricing with no intermediary commission markups. Indicative pricing guidelines for Indian healthcare facilities:
Minor OT / Daycare Procedure Canopy (6ft x 4ft):
₹1,40,000 – ₹2,20,000
SS 304 plenum, 4 H14 HEPA filters, monofilament screen, minor surgery
General Surgery Laminar Canopy (8ft x 6ft):
₹2,40,000 – ₹3,80,000
6-8 H14 HEPA filters, central light cutout, DOP ports, general/gynae OT
Super-Speciality Ortho / Cardiac Canopy (8ft x 8ft / 10ft x 8ft):
₹3,90,000 – ₹6,20,000
8-12 H14 gel-seal filters, perimeter LED lights, joint replacement/cardiac
Turnkey Modular OT HVAC Suite (Plenum + AHU + Risers):
₹8,50,000 – ₹18,00,000+
AHU with DX coil, ducting, 4-corner return risers, validation & NABH certification
Top Buyer Search Queries Covered
10-Competitor Head-to-Head Benchmark Analysis
Bio Meditech benchmarked against leading cleanroom & medical HVAC manufacturers (including Weiss Technik, Halton, FläktGroup, Narang Medical, GPC Medical, Hospitech, SI Surgical, Delta P, United Poly, and PMPS) across technical parameters:
| Specification Parameter | Bio Meditech Engineering | Standard Market Practice (10 Brands) | Clinical Advantage |
|---|---|---|---|
| Plenum Casing Material & Sealing | SS 304 Stainless Steel (1.5mm / 16-gauge) fully TIG welded, seamless airtight & corrosion-proof | Galvanized sheet metal (GI) with spray paint or pop-riveted seams prone to internal rusting and air bypass | 100% sterile, lifetime rust-free cleanroom casing with zero fungal harboring |
| HEPA Filter Grade & Bypass Prevention | H14 Grade Mini-Pleat (99.995% @ 0.3μm) with Fluid Knife-Edge Gel-Seal mechanism | H13 dry neoprene gasket clamping that compresses, dries out, and allows particulate bypass leaks | Guaranteed zero gasket bypass; passes DOP/PAO aerosol scanning on first attempt |
| Air Diffuser Media Screen | Tensioned dual-layer polyester monofilament sterile screen with anodized aluminum frame | Perforated metal punched sheet creating micro-eddies, turbulence, and dust accumulation | Uniform laminar downflow without drafts; easy to remove for autoclave sterilization |
| Integrated Test Ports (DOP / PAO) | Factory-fitted aerosol challenge injection and upstream concentration measurement ports | No built-in testing ports; technicians must drill holes into hospital HVAC ductwork during audits | Rapid, non-destructive ISO 14644 validation for NABH and JCI accreditation audits |
| Central OT Light & Pendant Integration | Pre-fabricated hermetically sealed structural pass-throughs for dual-dome OT lights & surgical pendants | Rough field-cut openings sealed with silicone caulk that cracks and leaks unfiltered air | Preserves sterile airflow envelope around surgical light suspension columns |
| Air Velocity & Pressure Uniformity | Calibrated 90 FPM ± 20% (0.45 m/s) with 4-corner balanced return air risers holding +15 Pa | High velocity drafts causing hypothermia or stagnant pockets allowing bacteria to settle | Optimal surgeon comfort and superior surgical site infection (SSI) prevention |
| Turnkey Cleanroom Validation & Handover | Turnkey supply, duct tie-in, laser particle count, air velocity matrix logging & NABH test reports | Box supply only; hospital is left without validation instruments or certification support | Complete institutional peace of mind with factory biomedical engineers |
Laminar Air Flow Cleanroom Engineering Overview
Unidirectional downflow sterile air canopy preventing surgical site infections (SSI)
As a leading Laminar Air Flow Ceiling Supplier in India, Bio Meditech manufactures, supplies, and certifies high-performance laminar airflow plenums for hospital modular operation theatres, cardiac cath labs, and orthopedic joint replacement theatres.
Our ceiling canopies are fabricated from SS 304 grade stainless steel (1.5mm thickness) fully welded and hermetically sealed. Inside the plenum, high-efficiency H14 Mini-Pleat HEPA filters (99.995% efficiency down to 0.3 microns) equipped with knife-edge fluid polyurethane gel-seals eliminate any possibility of air bypass.
Air is discharged vertically down over the operating table through a tensioned polyester monofilament sterile diffuser screen at a calibrated velocity of 90 FPM ± 20 (0.45 m/s). This creates a cleanroom air curtain that purges airborne colony-forming units (CFUs) and micro-particles away from the open surgical field into 4-corner low-level return air risers, maintaining ISO Class 5 (Class 100) cleanliness and complying with NABH & ASHRAE 170 standards.
Technical Specifications & Engineering Parameters
SS 304 Stainless Steel (1.5mm / 16-gauge), TIG welded, leak-tight with duct flanges
ISO Class 5 (US FED STD 209E Class 100) under dynamic operating conditions
H14 Mini-Pleat (EN 1822), 99.995% efficiency @ 0.3μm with fluid gel-seal knife edge
0.45 m/s ± 20% (90 FPM ± 20) unidirectional vertical laminar flow
Double-layer tensioned polyester monofilament screen with anodized aluminum frame
Standard 6ft x 4ft, 8ft x 6ft, 8ft x 8ft, 10ft x 8ft, and custom sizes
Integrated DOP / PAO aerosol challenge ports & upstream differential pressure taps
ISO 14644-1, NABH Guidelines, ASHRAE 170, HTM 03-01 & CE ready
6-Step Laminar Air Flow Commissioning & Validation Process
OT Cleanroom Volume & Airflow Calculation
Calculating total room CFM, required air changes per hour (25-30 ACH), and duct sizing to guarantee ISO Class 5 air classification.
SS 304 Ceiling Plenum Fabrication & Flange Modeling
Fabricating 1.5mm SS 304 ceiling plenum with hermetic duct connections and airtight structural pass-throughs for surgical lights and pendants.
Ceiling Unistrut Suspension & Duct Tie-In
Anchoring the heavy-duty plenum to the RCC ceiling slab with vibration-damped suspension rods and airtight HVAC duct connection.
Gel-Seal H14 HEPA Filter Installation
Seating H14 mini-pleat HEPA filters into the fluid polyurethane gel track, ensuring a zero-bypass continuous knife-edge seal.
DOP/PAO Aerosol Leak Testing & Velocity Balancing
Injecting aerosol challenge into testing ports, photometer scanning for 0.01% leak threshold, and balancing face velocity to 90 FPM ± 20.
Laser Particle Counting, Recovery Time Test & NABH Handover
Logging airborne particle counts (<3,520 at 0.5μm) using calibrated optical counters, conducting room pressure tests (+15 Pa), and issuing NABH validation reports.
Why Choose Bio Meditech Lucknow
Welded SS 304 Construction: Crevice-free, anti-bacterial stainless steel plenum engineered for zero rust or particle shedding.
Gel-Seal Knife-Edge Technology: Zero air bypass around HEPA filters, outperforming ordinary dry rubber gasket systems.
Turnkey NABH Validation: In-house particle counters, anemometers, and aerosol photometers for instant hospital accreditation sign-off.
Direct Engineering Base in Lucknow: Quick site survey, on-site duct integration, filter replacement AMC, and 24/7 support.
Frequently Asked Questions (FAQs)
What is the price of a laminar air flow ceiling system for operation theatres in India?
In India, laminar airflow ceiling plenum systems range from ₹1,40,000 to ₹2,20,000 for minor procedure/daycare OT canopies (6ft x 4ft), ₹2,40,000 to ₹3,80,000 for standard general surgery canopies (8ft x 6ft with 6-8 H14 HEPA filters), ₹3,90,000 to ₹6,20,000 for super-speciality orthopedic and cardiac canopies (8ft x 8ft or 10ft x 8ft with gel-seal filters and perimeter lighting), and ₹8,50,000 to ₹18,00,000+ for complete turnkey modular OT cleanroom HVAC suites including Air Handling Units (AHU), return air risers, and NABH validation. Bio Meditech provides direct manufacturer pricing and customized GeM tender BOQ quotations.
What is the difference between turbulent airflow and laminar airflow in an OT?
In turbulent ventilation, conditioned air is blown randomly into the theatre, mixing with contaminated room air and stirring up dust. In laminar airflow, sterile air passes through H14 HEPA filters and descends in a unidirectional vertical column at uniform velocity (0.45 m/s), creating a continuous positive-pressure air curtain that sweeps bacteria and shed skin scales away from the open surgical table toward low-level exhaust grilles.
What air velocity and positive pressure are required for NABH accreditation?
Under NABH and ASHRAE 170 standards, an operation theatre must maintain an air velocity of 90 FPM ± 20 (0.36 to 0.54 m/s) measured at 1 meter above the operating table, a minimum of 25 air changes per hour (ACH), and a positive pressure differential of at least 15 Pascals relative to adjacent corridors and scrub rooms.
What is a gel-seal HEPA filter and why is it superior to dry neoprene gaskets?
A gel-seal HEPA filter features a channel filled with viscous polyurethane gel around its perimeter. The plenum frame has a protruding metal knife edge that dips into this gel, creating a 100% airtight, continuous seal. Unlike dry rubber gaskets that work-harden, crack, or compress unevenly over time, gel seals eliminate any air bypass leaks.
How often do H14 HEPA filters require replacement?
Under standard hospital conditions with proper EU4 pre-filters and EU7 micro-filters in the Air Handling Unit (AHU), H14 terminal HEPA filters last 3 to 5 years. They should be replaced when differential pressure across the filters exceeds 450 Pascals or when they fail annual DOP aerosol leak integrity tests.
Does Bio Meditech provide on-site particle count testing and validation in UP & India?
Yes. Bio Meditech biomedical engineers perform on-site laser particle counter validation, smoke pattern airflow visualization, filter face velocity balancing, and DOP/PAO leak integrity testing across Lucknow, Kanpur, Varanasi, Gorakhpur, Prayagraj, Noida, Patna, and throughout India, issuing complete documentation for NABH audits.
Need Technical Guidance?
Speak with our cleanroom HVAC engineers
Call us directly to discuss plenum sizes, HEPA filter configurations, AHU ducting integration, or to request a customized turnkey quotation for your modular operation theatre.