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Valves for Nuclear Power Plants — Kadapa

Kadapa (Cuddapah) district overlies one of India's richest limestone formations — Ultratech Cement, Orient Cement, and Deccan Cement draw from this belt for clinker production, and their kiln feed slurry, pneumatic fly-ash conveying, and raw-mill circuits require heavy-duty ASME Class 150 knife gate valves, abrasion-resistant pinch valves, and rubber-lined butterfly valves; UCIL's Tummalapalle uranium mine (80 km south) — Asia's largest uranium deposit at 150,000 tonnes U3O8 — demands NACE MR0175-certified ball valves for uranium yellowcake slurry, acid-leach pulp, and solvent-extraction (SX) circuits; Mangampeta baryte mine (world's second-largest deposit, 29 million tonnes) and granite quarrying across Vempalli and Rajampet taluks further amplify demand for slurry and abrasive-service valve procurement.

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 Kadapa

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 Kadapa

Kadapa (Cuddapah) district overlies one of India's richest limestone formations — Ultratech Cement, Orient Cement, and Deccan Cement draw from this belt for clinker production, and their kiln feed slurry, pneumatic fly-ash conveying, and raw-mill circuits require heavy-duty ASME Class 150 knife gate valves, abrasion-resistant pinch valves, and rubber-lined butterfly valves; UCIL's Tummalapalle uranium mine (80 km south) — Asia's largest uranium deposit at 150,000 tonnes U3O8 — demands NACE MR0175-certified ball valves for uranium yellowcake slurry, acid-leach pulp, and solvent-extraction (SX) circuits; Mangampeta baryte mine (world's second-largest deposit, 29 million tonnes) and granite quarrying across Vempalli and Rajampet taluks further amplify demand for slurry and abrasive-service valve procurement.

Cement Manufacturing (Ultratech, Orient, Deccan)Limestone & Baryte MiningUranium Processing (UCIL Tummalapalle)Agro-processing & Cotton GinningGranite & Marble Quarrying

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 Kadapa's Cement Manufacturing (Ultratech, Orient, Deccan) Sector Needs Nuclear Power Plants Valves

Kadapa (Cuddapah) district overlies one of India's richest limestone formations — Ultratech Cement, Orient Cement, and Deccan Cement draw from this belt for clinker production, and their kiln feed slurry, pneumatic fly-ash conveying, and raw-mill circuits require heavy-duty ASME Class 150 knife gate valves, abrasion-resistant pinch valves, and rubber-lined butterfly valves; UCIL's Tummalapalle uranium mine (80 km south) — Asia's largest uranium deposit at 150,000 tonnes U3O8 — demands NACE MR0175-certified ball valves for uranium yellowcake slurry, acid-leach pulp, and solvent-extraction (SX) circuits; Mangampeta baryte mine (world's second-largest deposit, 29 million tonnes) and granite quarrying across Vempalli and Rajampet taluks further amplify demand for slurry and abrasive-service valve procurement. Key facilities in the Kadapa area — including Yerraguntla-Mylavaram Limestone Belt (Cuddapah Basin), UCIL Tummalapalle Uranium Mine (80 km), Mangampeta Baryte Mines (World's 2nd Largest Deposit) — rely on Gate Valve (ASME Sec. III Cl.2) for their cement manufacturing (ultratech, orient, deccan) operations. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants projects across Andhra Pradesh, 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 Kadapa

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

Also serving: Yerraguntla-Mylavaram Limestone Belt (Cuddapah Basin), UCIL Tummalapalle Uranium Mine (80 km), Mangampeta Baryte Mines (World's 2nd Largest Deposit), Kadapa-Kurnool Granite Quarrying Corridor

FAQ — Nuclear Power Plants Valves in Kadapa

Do you supply nuclear power plants valves in Kadapa?
Yes. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants applications in Kadapa, Andhra Pradesh. Kadapa (Cuddapah) district overlies one of India's richest limestone formations — Ultratech Cement, Orient Cement, and Deccan Cement draw from this belt for clinker production, and their kiln feed slurry, pneumatic fly-ash conveying, and raw-mill circuits require heavy-duty ASME Class 150 knife gate valves, abrasion-resistant pinch valves, and rubber-lined butterfly valves; UCIL's Tummalapalle uranium mine (80 km south) — Asia's largest uranium deposit at 150,000 tonnes U3O8 — demands NACE MR0175-certified ball valves for uranium yellowcake slurry, acid-leach pulp, and solvent-extraction (SX) circuits; Mangampeta baryte mine (world's second-largest deposit, 29 million tonnes) and granite quarrying across Vempalli and Rajampet taluks further amplify demand for slurry and abrasive-service valve procurement. We offer delivery to Kadapa in 3–7 business days with full documentation and third-party inspection.
What certifications are required for nuclear power plants valves in Kadapa?
For nuclear power plants in Kadapa, 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 Kadapa?
Standard stock sizes: delivery to Kadapa 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 — Kadapa

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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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