Indian Air Force Round Steel Short Link Chains Tender Bangalore Karnataka IS 2429 L3 2025
Indian Air Force
BANGALORE, KARNATAKA
Posted:
26 December 2025
Closed:
6 January 2026
GEM
GEM
Cochin Shipyard Ltd ISO8434-1 Carbon Steel Byte/Union Connectors Tender Ernakulam Kerala 2026
Progress
Issue03-Jan-2026, 9:32 am
AwardPending
Quantity
738
Category
22OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1
Bid Type
Two Packet Bid
Key Highlights
- • ISO8434-1 compliant carbon steel connectors across multiple series and sizes
- • 25% quantity variation option during contract placement and currency
- • BSPP male/female configurations, including 1 inch and 1 by 4 inch variants
- • Combination of byte-type straight unions, equal tees, reducers, elbows, and weld BKHD variants
- • No explicit BOQ quantities published; 26 items in BOQ; detailed item-level specs to be provided in ATC
- • Delivery terms linked to last delivery order date; extended period calculations defined
- • OEM authorizations and standard certifications likely required during bid submission
- • Kerala tender sourced by Cochin Shipyard Ltd under Department of Public Enterprises
Categories
12
Tender Overview
Cochin Shipyard Ltd invites bids for a procurement of ISO8434-1 compliant carbon steel byte-type and weld/union connectors across multiple series (8OD to 22OD, BSPP configurations, both male/female ends) in Ernakulam, Kerala. The BOQ comprises 26 items, though exact quantities are not disclosed in the summary. The scope includes various straight unions, equal tees, reducers, elbows, and connectors per ISO8434-1, with both BITe and WELDING BKHD options. The buyer reserves a 25% quantity variation up or down, including during currency, at contracted rates; delivery timelines extend from the last original delivery order date. This tender emphasizes standard-compliant, corrosion-resistant carbon steel hydraulic/connectors with BSPP threads and specific BSPP configurations.
Technical Specifications & Requirements
- Product categories: Series L carbon steel byte-type/straight unions, welding BKHD unions, male/female BSPP connectors, equal tees, reducers, elbows per ISO8434-1.
- Sizes: 8OD to 22OD, including 22OD-3 by 4 inch BSPP and 12ODX10OD combinations as listed in titles.
- End connections: BSPP – male and female variants; multiple BSPP thread sizes (e.g., 22OD - 1 inch BSPP, 15OD -1 by 4 inch BSPP).
- Standards: ISO8434-1 family; carbon steel material; series L and 15OD/18OD/22OD designations.
- Documentation: No explicit BOQ quantities published; BIS/ISI not mentioned; exact material spec not disclosed beyond steel type.
- Delivery/compliance: Delivery terms tied to original delivery order dates; option clause allows up to 25% variation.
Terms, Conditions & Eligibility
- EMD: Not disclosed in the available information; bidders should await official notification for exact amount.
- Delivery terms: Option clause enables +/-25% quantity variation; delivery period aligns with last delivery order date; extended time formula provided.
- Payment: Not specified in current data; bidders should confirm payment terms in the tender documents.
- Experience/eligibility: Prior experience with ISO8434-1 carbon steel connectors recommended; OEM authorizations may be required; GST/PAN and financials typically required in similar tenders.
- Documentation: GST, PAN, experience certificates, financial statements, technical compliance certificates, and OEM authorizations commonly required; verify in buyer’s terms.
Key Specifications
-
Product/service: ISO8434-1 carbon steel byte-type/straight union connectors and related BSPP fittings
-
Quantities: 26 BOQ items; exact quantities not disclosed
-
EMD/Estimated value: Not disclosed in provided data
-
Experience: Prior supply of ISO8434-1 connectors recommended
-
Quality/compliance: ISO8434-1 standard compliance; BSPP thread configurations
-
Delivery: Delivery terms based on original delivery order date; option clause allows 25% variation
-
Warranty/AMC: Not specified in current data
Terms & Conditions
-
Quantity variation up to 25% during order and currency of contract
-
Delivery period calculated from the last date of original delivery order
-
Exact EMD and payment terms to be confirmed in official tender documents
Important Clauses
Payment Terms
Payment details not specified in provided data; verify in ATC/tender documents
Delivery Schedule
Delivery starts from the last date of original delivery order; extended time formula applies with 30-day minimum
Penalties/Liquidated Damages
Penalties not described in current data; confirm LD provisions in ATC
Bidder Eligibility
-
Experience in supplying ISO8434-1 compliant carbon steel connectors
-
Ability to meet BSPP threaded component requirements
-
Demonstrated manufacturing or authorized distribution of Series L connectors
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Tender Results
Loading results...
Bill of Quantities (BOQ)
26 Items
| Item # | Title | Description | Quantity | Unit | Consignee | Delivery (Days) |
|---|---|---|---|---|---|---|
| 1 | 22OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 22OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 98 | nos | csl-buyer-154 | 15 |
| 2 | 15OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 15OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 80 | nos | csl-buyer-154 | 15 |
| 3 | 18OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 18OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 26 | nos | csl-buyer-154 | 15 |
| 4 | 8 OD SERIES L CARBON STEEL BITE TYPE STRAIGHT UNION AS PER ISO8434-1 | 8 OD SERIES L CARBON STEEL BITE TYPE STRAIGHT UNION AS PER ISO8434-1 | 160 | nos | csl-buyer-154 | 15 |
| 5 | 10OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 10OD SERIES L CARBON STEEL BYTE TYPE STRAIGHT UNION AS PER ISO8434-1 | 30 | nos | csl-buyer-154 | 15 |
| 6 | 12OD SERIES L CARBON STEEL BITE TYPE STRAIGHT UNION AS PER ISO8434-1 | 12OD SERIES L CARBON STEEL BITE TYPE STRAIGHT UNION AS PER ISO8434-1 | 25 | nos | csl-buyer-154 | 15 |
| 7 | 22OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 22OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 20 | nos | csl-buyer-154 | 15 |
| 8 | 18OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 18OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 10 | nos | csl-buyer-154 | 15 |
| 9 | 15OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 15OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 10 | nos | csl-buyer-154 | 15 |
| 10 | 10OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 10OD SERIES L CARBON STEEL BYTE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 11 | nos | csl-buyer-154 | 15 |
| 11 | 8 OD SERIES L CARBON STEEL BITE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 8 OD SERIES L CARBON STEEL BITE TYPE WELDING BKHD UNION AS PER ISO8434-1 | 60 | nos | csl-buyer-154 | 15 |
| 12 | 22OD-3 by 4 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE CONNECTOR AS PER ISO8434-1 | 22OD-3 by 4 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE CONNECTOR AS PER ISO8434-1 | 16 | nos | csl-buyer-154 | 15 |
| 13 | 22OD - 1 inch BSPP, SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 22OD - 1 inch BSPP, SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 13 | nos | csl-buyer-154 | 15 |
| 14 | 15OD -1 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 15OD -1 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 13 | nos | csl-buyer-154 | 15 |
| 15 | 15OD -1 by 2 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE CONNECTOR AS PER ISO8434-1 | 15OD -1 by 2 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE CONNECTOR AS PER ISO8434-1 | 10 | nos | csl-buyer-154 | 15 |
| 16 | 10OD - 1 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 10OD - 1 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 10 | nos | csl-buyer-154 | 15 |
| 17 | 8 OD - 1by 8 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 8 OD - 1 by 8 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 42 | nos | csl-buyer-154 | 15 |
| 18 | 15OD -1 by 4 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 15OD -1 by 4 inch BSPP SERIES L CARBON STEEL BITE TYPE MALE CONNECTOR AS PER ISO8434-1 | 8 | nos | csl-buyer-154 | 15 |
| 19 | 15OD SERIES L CARBON STEEL BYTE TYPE EQUAL TEE UNION AS PER ISO8434-1 | 15OD SERIES L CARBON STEEL BYTE TYPE EQUAL TEE UNION AS PER ISO8434-1 | 8 | nos | csl-buyer-154 | 15 |
| 20 | 18OD SERIES L CARBON STEEL BYTE TYPE EQUAL TEE UNION AS PER ISO8434-1 | 8OD SERIES L CARBON STEEL BYTE TYPE EQUAL TEE UNION AS PER ISO8434-1 | 8 | nos | csl-buyer-154 | 15 |
| 21 | 8ODX8OD SERIES L CARBON STEEL BITE TYPE UNION TEE AS PER ISO8434-1 | 8ODX8OD SERIES L CARBON STEEL BITE TYPE UNION TEE AS PER ISO8434-1 | 30 | nos | csl-buyer-154 | 15 |
| 22 | 12ODX10OD SERIES S CARBON STEEL BITE TYPE REDUCER UNION AS PER ISO8434-1 | 12ODX10OD SERIES S CARBON STEEL BITE TYPE REDUCER UNION AS PER ISO8434-1 | 15 | nos | csl-buyer-154 | 15 |
| 23 | 12ODX10OD SERIES L CARBON STEEL BITE TYPE REDUCER UNION AS PER ISO8434-1 | 12ODX10OD SERIES L CARBON STEEL BITE TYPE REDUCER UNION AS PER ISO8434-1 | 8 | nos | csl-buyer-154 | 15 |
| 24 | 12 OD - 1 by 2 inch BSPP SERIES S CARBON STEEL BYTE TYPE MALE 90 DEG ELBOW CONNECTOR AS PER ISO8434-1 | 12 OD - 1 by 2 inch BSPP SERIES S CARBON STEEL BYTE TYPE MALE 90 DEG ELBOW CONNECTOR AS PER ISO8434-1 | 12 | nos | csl-buyer-154 | 15 |
| 25 | 12 OD - 1 by 2 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE 90 DEG ELBOW CONNECTOR AS PER ISO8434-1 | 12 OD - 1 by 2 inch BSPP SERIES L CARBON STEEL BYTE TYPE MALE 90 DEG ELBOW CONNECTOR AS PER ISO8434-1 | 10 | nos | csl-buyer-154 | 15 |
| 26 | 15ODX1 by 4 inch BSPP SERIES L CARBON STEEL BITE TYPE FEMALE BRANCH TEE AS PER ISO8434-1 | 15ODX1 by 4 inch BSPP SERIES L CARBON STEEL BITE TYPE FEMALE BRANCH TEE AS PER ISO8434-1 | 5 | nos | csl-buyer-154 | 15 |
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Required Documents
1
GST registration certificate
2
Permanent Account Number (PAN) card
3
Experience certificates for similar ISO8434-1 connector supply
4
Financial statements (last 3 years) or annual report
5
EMD/Security deposit proof as per tender terms
6
Technical bid documents demonstrating ISO8434-1 compliance
7
OEM authorizations (if applicable) for Series L carbon steel connectors
8
Any BIS/ISI or ISO certifications (if specified in ATC)
Frequently Asked Questions
Key insights about KERALA tender market
How to bid for ISO8434-1 connectors tender in Ernakulam Kerala 2026
Bidders should first obtain ATC documents, ensure ISO8434-1 compliance, and prepare GST, PAN, and experience certificates. Provide OEM authorizations if required, submit financial statements, and furnish EMD once the exact amount is published. Ensure BSPP and diverse series L configurations are covered in the bid.
What documents are required for Cochin Shipyard ISO8434-1 bid 2026
Prepare GST certificate, PAN card, all relevant experience certificates for carbon steel connectors, financial statements, EMD proof, technical bid documents, and OEM authorizations. Include any ISO/BIS certifications mentioned in ATC; verify additional documents requested in the tender portal before submission.
What are the key technical specifications for these connectors in this tender
Specifications cover Series L carbon steel byte/straight union connectors per ISO8434-1, sizes 8OD to 22OD, BSPP male/female variants, welded BKHD options, equal tees and reducers. Exact quantities are not disclosed; emphasis is on ISO8434-1 compliance and BSPP threading configurations.
What is the delivery window and variation allowed for this tender
Delivery commences from the last date of the original delivery order. The option clause allows up to a 25% quantity variation during contract placement and currency, with extended time calculated as (additional quantity/original quantity) × original delivery period, minimum 30 days.
What is the EMD amount for the Cochin Shipyard connectors procurement
The tender data provided does not disclose the exact EMD amount. Bidders should refer to the official tender ATC for the precise EMD figure, acceptable payment mode, and submission deadline to ensure compliance during bid submission.
Which standards and OEM requirements apply to this ISO8434-1 tender
Primary standard is ISO8434-1 for carbon steel connectors. OEM authorizations may be required for Series L components; bidders should attach existing ISO8434-1 compliance certificates and any OEM authorizations to demonstrate manufacturing capability and product traceability.
What are the BSPP connector configurations covered in the tender
The tender includes BSPP male/female configurations across multiple sizes, including 22OD - 1 inch BSPP and 15OD - 1 by 4 inch BSPP variants, as well as 12OD series combinations and various straight union forms in Series L.
When can bidders expect the official payment terms for this procurement
Payment terms are not specified in the provided data. Bidders should await the official tender documents or ATC for the exact payment schedule, milestone payments, and any advance or milestone-based payment conditions.
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Documents 5
GeM-Bidding-8787899.pdf
Main Document
BOQ Document
BOQ
BOQ Document
BOQ
Buyer uploaded ATC document
ATC
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS