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- BIS Certification for Compressors The Bureau of Indian Standards (BIS) is primarily concerned with the safety, reliability, and quality of all products in India.
- BIS Scheme X Certification is mandatory for compressors sold in India..
- Certification covers product testing, factory inspection & BIS registration.
- Delays in certification can halt market entry or trigger penalties.
- It has designed several certification schemes for the standardization of products and the conformity to national safety regulations.
- Among those schemes is the BIS Scheme X Certification, which is meant for compressors of all types and their assemblies, sub-assemblies, and components.
Introduction
In late 2023, Pratik, founder of a Pune-based SME electric-compressor firm, rushed to launch his product at a major expo. He sent 100 units across India—only to be flagged by BIS enforcement teams. The culprit? No BIS Scheme X Certification for Compressors. Stocks were seized, dealers pulled out, and Pratik faced fines until compliance was proven.
That tense month taught our team a lesson: BIS Scheme X Certification for Compressors isn’t optional—it’s mission-critical for market access. This isn’t just paperwork. It’s a rigorous compliance matrix governing safety, quality, and legal entry in India.
Over the next few thousand words, we’ll walk you through the full journey—from understanding Scheme X, navigating lab tests, avoiding common pitfalls, to cost estimations and expert tips. By the end, you’ll know exactly what’s needed to get certified—on time and without unnecessary delays.
What Is BIS Scheme X Certification for Compressors?
The Bureau of Indian Standards (BIS), under the Ministry of Consumer Affairs, issues Indian Standards (IS) and enforces compulsory certification across 350+ product categories. Compressors, given their mechanical pressure design, fall under the Compulsory Registration Scheme (CRS).
Complying with Scheme X shows your compressor meets national standards of safety, reliability, and durability. Non-compliance isn’t just risky—it’s technically illegal to sell without the BIS Standard Mark (ISI logo). The focus keyword BIS Scheme X Certification for Compressors becomes your guarantee of credibility.
BIS ensures safe, durable compressors for Indian consumers—no compliance means market denial.
What Is Scheme X in BIS Certification
Scheme X is one of several BIS schemes (alongside I, II, IV). It applies to mechanical/compressed products requiring testing and factory site audits before a BIS license is granted:
- Coverage: rotary, screw, reciprocating compressors, compressed-air systems.
- Requirements: Design validation, product testing at BIS-recognized labs, and in-person factory audits.
- Outcome: Manufacturers or importers receive a BIS “CRS License” and can affix the ISI mark for certified units.
“With Scheme X, the government isn’t adding delays—they’re safeguarding quality and consumer trust,” comments Mr. Sharma, Quality Head at a leading compressor OEM in Ahmedabad.
You can’t bypass it. Whether you’re assembling compressors in Bengaluru or importing screw units from abroad, Scheme X applies if your units reach end-users in India.
Who Should Apply for BIS Scheme X Certification?
Certification under Scheme X applies across three key business types:
Domestic Manufacturers
Any Indian enterprise—MSE or Industrials—manufacturing compressors under brand or contract basis must apply before first sale.
Example: A Coimbatore-based OEM received detention notices at Delhi customs because they hadn’t affixed the ISI mark—a blockade avoided only after emergency BIS registration.
Importers & Global Brands
International players (Hitachi, Atlas Copco) must appoint an Indian Authorized Representative (AIR).
Without an AIR and valid CRS license, imported compressors risk seizure or blacklisting—even if factory-tested abroad. Logistic snafus often arise when the importer exits the process manually.
Startups & Local Assemble Units (H3)
Even if your unit imports parts and only assembles in India, you still fall under Scheme X. BIS sees the assembled unit as “manufactured”—so documentation, lab testing, and site inspection still apply.
Why is the BIS Scheme X certification important for compressors?
- Regulatory Compliance: Compliance with BIS requirements is required to sell compressors in the Indian market.
- Customers are assured by quality assurance that the products meet strict safety and quality standards.
- Market Credibility: BIS certification is associated with increased credibility and trust in a company.
- Reduced Liabilities: Manufacturers are reassured that they will not be subject to the legal risks and penalties associated with non-compliance.
- Consumer Protection: It gives customers assurance about the product’s performance and safety.
Products Covered Under BIS Scheme X Certification for Compressors
BIS Scheme X applies to a wide range of compressors, including:
- Reciprocating Compressors
- Rotary Compressors
- Centrifugal Compressors
- Screw Compressors
- Piston Compressors
- Oil-Free Compressors
- Compressor Assemblies and Sub-assemblies
- Compressor Components (Valves, Pistons, Cylinders, Rotors, etc.)
All these types of compressors and their essential components must comply with the relevant BIS standards to be legally sold and distributed in India.
BIS Certification Process for Compressors
BIS Scheme X Certification for compressors is a multi-stage procedure. Following is a step-by-step guide:
Step 1: Identify Applicable Standards
Manufacturers must determine the relevant Indian Standards based on the type and design of the compressor before applying for certification.
Step 2: Application Submission
To obtain the BIS scheme-X certification, the manufacturers must apply by filling in an application on the BIS portal. This application should declare clearly the product and the manufacturing unit through which it complies with the relevant IS standards.
Step 3: Product Testing in BIS-Accredited Labs
After the submission of the application, samples of the compressor (or components) are to be dispatched for testing to a BIS-accredited laboratory. These labs conduct performance, durability, and safety testing as per Indian standards.
Step 4: Factory Inspection by BIS Officials
The BIS officials carry out an on-spot inspection of the manufacturing facility to check the production process, quality control measures, and conformity to BIS standards.
Step 5: Grant of BIS Certification
BIS Scheme X Certification is granted if the product meets all required standards and clearance by inspection. The certified manufacturer can then use the ISI Mark on their compressors and the respective components.
Step 6: Surveillance and Renewal
Surveillance audits from BIS are periodically carried out to monitor ongoing compliance, after certification, which is generally for a specified period and has to be renewed accordingly.
Required Documents for BIS Scheme X Certification
To obtain BIS certification for compressors, the following documents are required:
- Company Registration Certificate
- Manufacturing Unit Address Proof
- Product Specification Details
- Test Reports from BIS-Approved Labs
- Quality Management System (QMS) Documents
- List of Machinery and Equipment Used in Manufacturing
- Details of Raw Materials and Suppliers
- Authorization Letter for Indian Representative (for foreign manufacturers)
What Is the Cost of BIS Scheme X Certification?
The cost of obtaining BIS Scheme X Certification varies depending on:
- Product type and complexity
- Testing and lab charges
- Factory inspection fees
- BIS licensing fees
- Consultancy fees (if availing expert services like Diligence Certification)
Manufacturers should consider these costs when planning their certification process.
Why Diligence Certifications Matters in BIS Approval for Compressors
Navigating the BIS certification process can be complex and time-consuming. Diligence Certification provides expert consultancy services to help manufacturers obtain BIS certification for compressors smoothly. Our services include:
- Application Filing & Documentation Support
- Liaison with BIS Authorities
- Product Testing Coordination
- Factory Audit Preparation
- Compliance Advisory
- Renewal & Post-Certification Assistance
With extensive experience in regulatory compliance, Diligence Certification ensures a hassle-free BIS certification process for compressor manufacturers.
Conclusion
Indian National Standards Institute- BIS Scheme X Certification is a key to qualifying compressors and their assemblies, sub-assemblies, and components for safety, reliability, and regulations compliance in India against an accentuated testing-based factory inspection. To fulfill the BIS standards, manufacturers should get this certification as it requires extensive testing, inspection of factories, and adherence to BIS standards.
With the help of an expert compliance consultant such as Diligence Certification, the entire process can be made easy without wasting time for a manufacturer seeking to get its compressors certified by the BIS.
Contact Diligence Certification to get complete expert guidance and assistance if you are a manufacturer with a focus on gaining BIS certification for your compressors!
Frequently Asked Questions
Is BIS Scheme X mandatory for all compressors?
Yes. Any rotary, reciprocating or screw compressor intended for sale in India needs BIS Scheme X Certification for Compressors under relevant Indian Standards before market launch.
Can imported compressors be sold without BIS?
No. Imported compressors must have BIS Scheme X licence through a registered Indian Authorized Representative (AIR). Without it, customs hold and legal actions may take
How long does certification take?
Expect 60–90 days. Timeline varies pending lab results, inspection booking, and audit clearance. Pre-prep can reduce delays by ~25%.
Which IS codes apply to compressors?
Key codes include IS 5456 (rotary), IS 11169 (reciprocating), IS 10437 and common global references like IS/ISO 1217 for performance compliance.
Do subcomponents need separate BIS?
Yes. Items like motors, tanks, gauges often require separate BIS licenses if sold stand‑alone—consult IS code requirements carefully.
Is online application enough?
No. Portal filing is only part—BIS Scheme X Certification for Compressors mandates physical factory inspection and BIS-recognised lab testing.
What if I sell without BIS?
You risk product seizures, fines, and blacklisting. The BIS Act empowers authorities to order recalls and prohibit business until compliance.
Can I certify pilot or prototype units?
No. Certification is required for production-ready compressors—not prototypes. Ensure designs are finalized before testing begins
How to find BIS-approved testing labs?
Use BIS official portal → Standards > Testing → Recognised Laboratories. NABL-accreditation ensures quality and faster outcomes.
