Shield Your PSA Plant.
Any Brand.
Any Location.
Manufacturer-grade maintenance for PSA oxygen and nitrogen generators — Absstem-built or not. Hospitals and industries across India trust Shield for preventive care, genuine spares, breakdown response, and IIoT-powered remote monitoring.
4 Visits
Per Year
ROI
Within 3 Months
4-6 Hours
Telephonic Response
48-72 hours
On Site CMC
Guaranteed
Spares Availability
300+ Trusted
Installations Across India
Multi Brand
OEM or Non-OEM Plants
10 Years
Molecular Sieves Warranty
24 States & 6 UTs
Pan-India Service Network
Don't wait for your Next Breakdown
Both plans are built on the same foundation — certified engineers, genuine spares, and scheduled preventive care. The difference is what happens when something goes wrong.
Shield
Annual Maintenance Contract — Scheduled preventive care
- 4 Quarterly preventive maintenance visits per year
- Service report after every visit
- IIoT real-time remote monitoring *
- Telephonic/remote support within 2-6 hours
- Visit scheduling can be customized
- Operator Training
- 2 Breakdown Visits
- All Consumbable Spares - Charged separately if required
- Breakdown spare parts - Charged separately if required
*Add-on facility
Shield Premium
Comprehensive Maintenance Contract — All-inclusive, zero surprises
- Everything in Shield (AMC)
- All breakdown spare parts within scope
- Root cause analysis after every breakdown
- Post-repair performance test report
- Priority engineer dispatch over non-contract installations
- Visit scheduling control — you choose dates
- Operator training session included
- IQ/OQ documentation for audits
- 10-year Molecular Sieves warranty (if replaced by Absstem)
Shield Works on Any PSA Plant
You don’t need an Absstem plant to use Shield. We service PSA generators from all major manufacturers — after a free plant health assessment to establish a baseline.
Scheduled Maintenance
- Quarterly preventive maintenance visits
- All consumable spares (compressor & PSA)
- System health check & performance verification
- Leakage detection & rectification
Breakdown Support
- On-site response within 48 hours (CMC)
- Root cause analysis after every breakdown
- Replacement of faulty in-scope components
- Post-repair performance test & report
- Preventive upgrade recommendations
Monitoring & Compliance
- Service history tracking & documentation
- IQ/OQ records for compliance audits
- Annual purity lab certification
- Leakage detection & rectification
IIoT Monitoring — We Watch So You Don't Have To
Add-on Facility
As an Add-on Facility. every Shield-enrolled plant can be connected to Absstem’s remote monitoring platform. Live visibility into your plant’s health — without anyone needing to be physically present.
Parameters Tracked in Real Time*
- Oxygen / Nitrogen Purity (%)
- Output Pressure (bar / kg/cm²)
- Flow Rate (Nm³/hr)
- Compressor Status & Alarm Codes
- Run Hours (consumable scheduling)
- Temperature (overheating detection)
* Instruments are to be available in the machine in order to track the specific parameters
Most issues resolved before you notice them
Automated alerts reach our engineers before parameters go out of range. Unplanned downtime drops significantly. Consumable replacement happens exactly when needed.
Why Absstem?
Enrolled in 5 Simple Steps
1
Free Online Plant Health Assessment
Inspects all equipment. Written health report within 48 hours. No cost, no obligation.
2
Choose Your Plan
We recommend AMC or CMC based on your plant type and criticality. Fixed-price annual proposal.
3
Sign & Schedule
Plant enrolled in Shield platform. Dedicated engineer assigned. Annual PM calendar shared.
4
Preventive Maintenance
Quarterly visits. Consumables replaced. Parameters verified. Service report within 48 hours.
5
Monitor, Respond, Renew
Annual performance summary at year-end. Renewal proposal issued.
Trusted By Thousands
FAQs – Absstem Shield (AMC & CMC for PSA Plants)
What is the difference between AMC and CMC in PSA plants?
AMC covers preventive maintenance and inspections, while CMC provides complete coverage including spare parts, breakdown support, and uptime assurance. Absstem Shield offers both options.
Is Absstem Shield applicable for existing PSA plants?
Yes. Shield can be applied to both new and existing PSA oxygen and nitrogen plants after a system health evaluation.
Does Shield include spare parts replacement?
Yes. Under Shield Premium, genuine spare parts are covered as part of comprehensive maintenance.
How does IIoT monitoring help in maintenance?
IIoT monitoring tracks purity, pressure, alarms, and performance trends in real time, allowing issues to be identified and resolved before breakdowns occur.
Which Shield plan is best for hospitals?
Hospitals are recommended to choose Shield Premium (CMC) due to critical oxygen dependency and the need for priority service and maximum uptime.
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Don’t Wait for Your Next Breakdown
Get a free online plant health assessment today. No cost, no obligation — just a full written report of your PSA plant’s condition within 48 hours.