Butterfly valves are very popular in pipeline systems because of their functionality of controlling or stopping the flow of liquids, gases, or any other fluid through pipelines. Due to the presence of rotating discs, the functioning of the butterfly valve in closing or opening becomes easier and straightforward. The butterfly valves can be installed in various systems like water piping systems, chemical plants, irrigation systems, and HVAC systems.
Certification by BIS is crucial in assuring the operational capabilities of the valves used for installation in India. According to the provisions of IS 13095: 2020, the valve undergoes several testing procedures based on pressure resistance, leakage, dimensions, materials, and durability. The manufacturers must obtain the BIS approval to sell the valves in the market.
What is IS 13095: 2020
This is the Indian Standard for butterfly valves used in piping systems for controlling the flow of liquids and gases in general-purpose applications. It lays down design, material, performance, and testing criteria to ensure that the valves operate efficiently under varying pressure and service conditions. As per the BIS (Bureau of Indian Standards), these valves are:
- Evaluated for smooth operation
- Assessed for material quality
- Tested for hydrostatic pressure strength
- Checked for dimensional accuracy
Eligibility Guide for BIS License of Industrial Butterfly Valves
BIS authorisation under IS 13095: 2020 is required for businesses involved in manufacturing, importing, or supplying general-purpose butterfly valves in India.
Applicable to:
- Manufacturers (India) - Must get BIS approval if the products are covered under QCO.
- Foreign Manufacturers - Need certification to export the valves to India.
- Importers/Brand Owners - Must ensure that the products are BIS-certified before sale.
- Sellers/Distributors - Should only sell certified Flow Control Butterfly Valves.
Testing and Inspection Requirements
To ensure reliable flow control in piping systems, the Bureau of Indian Standards specifies minimum requirements in IS 13095: 2020. This certification ensures that manufacturers produce valves capable of efficient operation under varying pressure conditions while maintaining proper sealing performance and material integrity for general-purpose applications in industries.
The BIS testing parameters and quality checks for the valves are listed below:
BIS License Process for Butterfly Valves
The BIS Authorisation process ensures that the butterfly valves for general use meet the required standards for proper and efficient operation. This process is set by the Bureau of Indian Standards (BIS) and includes the following steps:
- Online Registration: Manufacturers register on the BIS Manak portal by submitting company, factory, and product details. Foreign manufacturers must appoint an Authorized Indian Representative (AIR).
- Testing at BIS-Approved Laboratory: Product samples are tested in BIS-approved laboratories for electrical performance, dimensional accuracy, conductor resistance, insulation strength, mechanical properties and durability.
- Application Submission: The application is submitted along with test reports, technical documents, and factory details. In the case of foreign manufacturers, AIR-related documentation must also be provided.
- Factory Inspection: BIS officials visit the manufacturing facility to evaluate production processes, safety measures, and the quality control system.
- Grant of BIS License: Once all requirements and compliance criteria are successfully fulfilled, BIS grants the certification license under Scheme-I.
- Use of ISI Mark: After approval, the manufacturer is permitted to use the ISI Mark on the product along with a valid CM/L number, indicating compliance with BIS standards.
Document Required for IS 13095: 2020 Approval
| Document Category | Documents Required |
|---|
| Basic Details | GST Certificate, Email ID & Contact Number, Factory & Office Address, Rent Agreement / Lease Deed (if applicable),Partnership Deed (if applicable for partnership firms) |
| Manufacturing Details | List of Machinery, Process Flow Chart, Factory Layout Plan |
| Raw Material Details | List of Raw Materials, Supplier Details, Raw Material Invoices, Raw Material Test Certificates |
| Testing & Quality Control | List of Testing Equipment, Calibration Certificates, QC/Lab In-charge Appointment Letter & Qualification |
| Production Details | Annual Installed Capacity, Last Year Production Value |
| Product & Packaging Details | Quantity per Package, Nature of Packing, Product Printing / Marking Details |
| Management Details | Top Management Details, BIS Communication Contact Person |
| Brand & Certification Documents | Trademark / Brand Certificate, Consent Letter from BIS Recognized Laboratory |
| Additional Documents | Weekly Off Details, Hygiene Document (if applicable), Relaxation Letter (if applicable), Any Other Relevant Document |
| Foreign Manufacturer Requirement | Appointment of Authorized Indian Representative (AIR) for BIS coordination and compliance in India |
The Foreign manufacturers must designate an Authorized Indian Representative (AIR) in India. The representative is the local point of contact for the Bureau of Indian Standards (BIS) and manages all compliance and regulatory requirements in India.
Marking Requirements & License Validity
Marking Requirements
Once the manufacturer secures a BIS approval, the ISI Mark for Flanged Butterfly Valves must be written clearly and permanently either on its packaging or on the product. The marking should also include key information, such as the manufacturer’s identification and licence number (CM/L). This helps confirm that the product meets all required safety and quality standards. Additional details are provided below:
| Requirement | Details |
|---|
| ISI Mark | Indicates that the product is BIS certified and conforms to standards |
| Standard Number | IS 13095: 2020 |
| CML Number | Certification Marks License (CML) number issued by BIS |
| Manufacturer Details | Name of manufacturer or registered trademark |
| Batch / Date | Batch number, heat number, or manufacturing date for traceability |
Note: Marking is typically applied using durable stamping, tagging, or permanent printing to ensure clear identification during handling, storage, and transportation, as per BIS marking requirements.
BIS License Validity Period for Industrial Butterfly Valves
| particulars | Details |
|---|
| Initial Validity | Typically 1 to 2 years, depending on BIS approval conditions |
| Renewal | Must be renewed before expiry by submitting the application along with the prescribed fee and updated documents |
| Surveillane | Includes periodic factory inspections and market sample testing conducted by BIS |
| Compliance | Continuous following to standard and applicable Quality Control Orders (QCOs) is mandatory |
| Risk | Non-compliance or failed sample testing may lead to suspension or cancellation of the BIS license |
Fees for Mechanical Valves BIS Approval
The cost of BIS Approval for a Butterfly Type Valve includes charges for application, inspection, license, testing, and marking. These fees are paid to BIS as per Scheme I guidelines.
| Charge Type | Indian Manufacturers | Foreign Manufacturers |
|---|
| Application Fee | INR 1,000 | USD 15 |
| Audit Charges | INR 7,000 | USD 3,200 – 5,900 |
| License Fee | INR 1,000 | USD 15 |
| Marking Fee | As applicable | As applicable |
| Testing Charges | As applicable | As applicable |
| EVTL India Consultancy Fee | As per actual | As per actual |
Note:
- Application fee for foreign manufacturers is payable via SWIFT (SAARC countries may pay in INR with applicable GST).
- Audit charges for foreign manufacturers vary based on country/location.
- The marking fee is determined based on the product category and production volume (MSME benefits may apply).
- Testing charges are to be paid directly to BIS-recognised laboratories.
- Consultancy fees can vary depending on product type and factory location.
Conclusion
Butterfly valves still constitute a major part of the modern pipe fittings, where a regulated and uninterrupted flow of liquids is crucial. Operational efficiency without the possibility of any leakages is guaranteed when certified butterfly valves are used. Meeting the minimum standards as per IS 13095: 2020 ensures effective flow control systems.
EVTL India assists in the certification process for companies intending to obtain BIS approval. This assistance includes document handling, test coordination and understanding all the required certification-related requirements. Thus, organisations can smoothly navigate the entire certification process without committing mistakes in the approval process.
