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Valves for Nuclear Power Plants — Vellore

Vellore and its satellite town Ranipet (18 km) form the heart of India's Rs 20,000-crore finished leather export cluster, where chromium liquor, lime, sodium sulphide, and formic acid process streams require PVDF-lined butterfly valves, Hastelloy C-276 ball valves, and PTFE-seated plug valves rated for highly corrosive tannery effluent treatment (ETP); the Ambur-Vaniyambadi belt (40 km) exports 40% of India's footwear to Italy, Germany, and Spain; Christian Medical College (CMC) Vellore — a 2,700-bed tertiary hospital — and a growing medical-device manufacturing precinct around Sathuvachari drive demand for sanitary SS 316L ball valves, USP Class VI EPDM-seated diaphragm valves, and ultra-clean hospital HVAC piping.

ASME Section III Class 2/3 gate, globe, and check valves with N-stamp traceability for nuclear power plant balance-of-plant, auxiliary, and spent-fuel cooling systems.

ASME Section III (Class 2/3)ASME B16.34IEEE 382 (MOV)IEEE 344 (Seismic)10 CFR 50 Appendix B
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Nuclear Power Plants Valves — Available in Vellore

Gate Valve (ASME Sec. III Cl.2)

Class 150 / 300 / 600 (ASME B16.34 ratings)

Main isolation on auxiliary cooling, emergency core cooling (ECCS) suction, and spent fuel pool cooling

Materials: A351 CF8M (SS316 cast), A182 F316 forged (Class 2); WCB with SS316 trim (Class 3)  ·  Standards: ASME Section III NB/NC/ND, ASME B16.34, ASME B16.10
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Globe Valve

Class 150 / 300

Throttling and control on reactor auxiliary cooling, chemical dosing, and letdown systems

Materials: A351 CF8M SS316, A182 F316L for radioactive waste service  ·  Standards: ASME Section III Class 2/3, IEEE 382 for motor-operated versions
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Check Valve

Class 150 / 300 / 600

Back-flow prevention on ECCS injection lines, charging pump outlets, and feedwater systems

Materials: A351 CF8M (SS316), A182 F316 lift or swing check  ·  Standards: ASME Section III Class 2/3, API 594
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Butterfly Valve

Class 150

Large-bore isolation on service water, component cooling water, and turbine building HVAC

Materials: A216 WCB with SS316 disc and EPDM seat; rubber-lined for raw water service  ·  Standards: ASME Section III Class 3, AWWA C504, IEEE 382
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Nuclear Power Plants Industry in Vellore

Vellore and its satellite town Ranipet (18 km) form the heart of India's Rs 20,000-crore finished leather export cluster, where chromium liquor, lime, sodium sulphide, and formic acid process streams require PVDF-lined butterfly valves, Hastelloy C-276 ball valves, and PTFE-seated plug valves rated for highly corrosive tannery effluent treatment (ETP); the Ambur-Vaniyambadi belt (40 km) exports 40% of India's footwear to Italy, Germany, and Spain; Christian Medical College (CMC) Vellore — a 2,700-bed tertiary hospital — and a growing medical-device manufacturing precinct around Sathuvachari drive demand for sanitary SS 316L ball valves, USP Class VI EPDM-seated diaphragm valves, and ultra-clean hospital HVAC piping.

Leather & Tannery (Ranipet-Ambur cluster)Medical Devices & HealthcareAutomobile AncillariesChemical & Dye ManufacturingEducational & Research Institutions

Critical Valve Requirements

ASME Section III Class 2/3 design: complete material traceability (Certified Material Test Reports — CMTRs) for all pressure-boundary components
N-stamp or NA-stamp: third-party ASME Nuclear Inspector oversight for Class 2 and above
Seismic qualification per IEEE 344 — valves on safety-related systems must withstand Operating Basis Earthquake (OBE) and Safe Shutdown Earthquake (SSE)
Motor-operated valves (MOVs) qualified per IEEE 382 — torque, voltage variation, and harsh-environment performance testing
QA programme per 10 CFR 50 Appendix B (USA) or AERB Safety Guide (India) — design control, procurement document control, inspection, and test records
No substitution of materials without NCR (Non-Conformance Report) and AERB/NRC approval — traceability is mandatory

Why Vellore's Leather & Tannery (Ranipet-Ambur cluster) Sector Needs Nuclear Power Plants Valves

Vellore and its satellite town Ranipet (18 km) form the heart of India's Rs 20,000-crore finished leather export cluster, where chromium liquor, lime, sodium sulphide, and formic acid process streams require PVDF-lined butterfly valves, Hastelloy C-276 ball valves, and PTFE-seated plug valves rated for highly corrosive tannery effluent treatment (ETP); the Ambur-Vaniyambadi belt (40 km) exports 40% of India's footwear to Italy, Germany, and Spain; Christian Medical College (CMC) Vellore — a 2,700-bed tertiary hospital — and a growing medical-device manufacturing precinct around Sathuvachari drive demand for sanitary SS 316L ball valves, USP Class VI EPDM-seated diaphragm valves, and ultra-clean hospital HVAC piping. Key facilities in the Vellore area — including Ranipet SIPCOT Industrial Area (Chrome Tanning Zone), Ambur Footwear & Leather Cluster (40 km), Walajah Industrial Estate — rely on Gate Valve (ASME Sec. III Cl.2) for their leather & tannery (ranipet-ambur cluster) operations. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants projects across Tamil Nadu, with full ASME Section III (Class 2/3) and ASME B16.34 compliance documentation — EN 10204 3.1 material test certificates, API 598 pressure test reports, and third-party inspection co-ordination available for every order.

Delivery to Vellore

Vajra Industrial Solutions offers delivery to Vellore in 3–7 business days. Emergency dispatch available for plant shutdowns and critical site requirements.

Also serving: Ranipet SIPCOT Industrial Area (Chrome Tanning Zone), Ambur Footwear & Leather Cluster (40 km), Walajah Industrial Estate, Vellore-Katpadi Engineering Corridor

FAQ — Nuclear Power Plants Valves in Vellore

Do you supply nuclear power plants valves in Vellore?
Yes. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants applications in Vellore, Tamil Nadu. Vellore and its satellite town Ranipet (18 km) form the heart of India's Rs 20,000-crore finished leather export cluster, where chromium liquor, lime, sodium sulphide, and formic acid process streams require PVDF-lined butterfly valves, Hastelloy C-276 ball valves, and PTFE-seated plug valves rated for highly corrosive tannery effluent treatment (ETP); the Ambur-Vaniyambadi belt (40 km) exports 40% of India's footwear to Italy, Germany, and Spain; Christian Medical College (CMC) Vellore — a 2,700-bed tertiary hospital — and a growing medical-device manufacturing precinct around Sathuvachari drive demand for sanitary SS 316L ball valves, USP Class VI EPDM-seated diaphragm valves, and ultra-clean hospital HVAC piping. We offer delivery to Vellore in 3–7 business days with full documentation and third-party inspection.
What certifications are required for nuclear power plants valves in Vellore?
For nuclear power plants in Vellore, the applicable standards are: ASME Section III (Class 2/3), ASME B16.34, IEEE 382 (MOV), IEEE 344 (Seismic), 10 CFR 50 Appendix B, AERB (India), NRC Regulatory Guides. All valves are supplied with full documentation including material test reports (EN 10204 3.1/3.2), pressure test certificates, and dimensional inspection reports. Third-party inspection (TPI) by EIL, Bureau Veritas, Lloyd's Register, or the client's nominated inspector can be arranged.
What is the delivery time for nuclear power plants valves to Vellore?
Standard stock sizes: delivery to Vellore in 3–7 business days. Custom sizes and special materials (Duplex, Hastelloy, P91): 4–8 weeks manufacturing lead time. Express dispatch available for urgent site requirements. Contact us at +91-9979774557 or sales@vajravyuh.com with your specification and required delivery date.
What is ASME Section III and why does nuclear require it?
ASME Section III is the Boiler and Pressure Vessel Code for Nuclear Facility Components. Unlike ASME B16.34 (industrial valves), Section III imposes full design analysis, material traceability to mill certificates (CMTRs), N-stamp third-party oversight during manufacturing, and complete quality records. Class 1 covers the primary pressure boundary (reactor coolant), Class 2 covers safety-related secondary systems (ECCS, spent fuel cooling), and Class 3 covers other safety-related systems (service water). Vajra supplies Class 2 and 3 components for balance-of-plant applications.
What is the difference between nuclear Class 2 and Class 3 valves?
ASME Section III Class 2 applies to systems that could affect the safety function of the reactor coolant boundary — e.g., emergency core cooling, spent fuel pool cooling. Class 3 applies to systems important to safety but with a lower direct interface — service water, fire protection, component cooling water. Class 2 requires more rigorous design documentation, full material traceability, and N-stamp inspection. Class 3 has slightly relaxed requirements but still demands CMTRs and a documented QA programme.

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Nuclear Power Plants Valves — Vellore

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Standards

ASME Section III (Class 2/3)
ASME B16.34
IEEE 382 (MOV)
IEEE 344 (Seismic)
10 CFR 50 Appendix B
AERB (India)
NRC Regulatory Guides

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