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Valves for Nuclear Power Plants — Guangzhou

Guangzhou anchors the Pearl River Delta — South China's premier industrial and trading corridor — with CNPC's Guangzhou Refinery (13.5 Mtpa), CNOOC's South China Sea deepwater gas projects (Liwan, Lingshui LNG), and a dense network of chemical manufacturers in the Guangzhou Development District; Nansha Port is one of China's top five container ports, driving demand for seawater-resistant duplex stainless butterfly valves and bronze gate valves; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and PTFE-lined butterfly valves for Guangzhou's refinery, petrochemical, and port infrastructure projects.

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 Guangzhou

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 Guangzhou

Guangzhou anchors the Pearl River Delta — South China's premier industrial and trading corridor — with CNPC's Guangzhou Refinery (13.5 Mtpa), CNOOC's South China Sea deepwater gas projects (Liwan, Lingshui LNG), and a dense network of chemical manufacturers in the Guangzhou Development District; Nansha Port is one of China's top five container ports, driving demand for seawater-resistant duplex stainless butterfly valves and bronze gate valves; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and PTFE-lined butterfly valves for Guangzhou's refinery, petrochemical, and port infrastructure projects.

Petrochemical & ChemicalAutomotive ManufacturingPort & LogisticsPower GenerationWater Treatment

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 Guangzhou's Petrochemical & Chemical Sector Needs Nuclear Power Plants Valves

Guangzhou anchors the Pearl River Delta — South China's premier industrial and trading corridor — with CNPC's Guangzhou Refinery (13.5 Mtpa), CNOOC's South China Sea deepwater gas projects (Liwan, Lingshui LNG), and a dense network of chemical manufacturers in the Guangzhou Development District; Nansha Port is one of China's top five container ports, driving demand for seawater-resistant duplex stainless butterfly valves and bronze gate valves; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and PTFE-lined butterfly valves for Guangzhou's refinery, petrochemical, and port infrastructure projects. Key facilities in the Guangzhou area — including Guangzhou Petrochemical (CNPC Guangzhou Refinery), Nansha Port (Pearl River Delta), CNOOC South China Sea Deepwater Operations — rely on Gate Valve (ASME Sec. III Cl.2) for their water treatment operations. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants projects across Guangdong, 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 Guangzhou

Vajra Industrial Solutions offers export documentation and delivery to Guangzhou in 7–14 business days. Emergency dispatch available for plant shutdowns and critical site requirements.

Also serving: Guangzhou Petrochemical (CNPC Guangzhou Refinery), Nansha Port (Pearl River Delta), CNOOC South China Sea Deepwater Operations, Guangzhou Development District Chemical Zone, Guangdong LNG Receiving Terminal (Dapeng)

FAQ — Nuclear Power Plants Valves in Guangzhou

Do you supply nuclear power plants valves in Guangzhou?
Yes. Vajra Industrial Solutions supplies Gate Valve (ASME Sec. III Cl.2), Globe Valve, Check Valve, Butterfly Valve for nuclear power plants applications in Guangzhou, Guangdong. Guangzhou anchors the Pearl River Delta — South China's premier industrial and trading corridor — with CNPC's Guangzhou Refinery (13.5 Mtpa), CNOOC's South China Sea deepwater gas projects (Liwan, Lingshui LNG), and a dense network of chemical manufacturers in the Guangzhou Development District; Nansha Port is one of China's top five container ports, driving demand for seawater-resistant duplex stainless butterfly valves and bronze gate valves; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and PTFE-lined butterfly valves for Guangzhou's refinery, petrochemical, and port infrastructure projects. We offer export documentation and delivery to Guangzhou in 7–14 business days with full documentation and third-party inspection.
What certifications are required for nuclear power plants valves in Guangzhou?
For nuclear power plants in Guangzhou, 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 Guangzhou?
Standard stock sizes: export documentation and delivery to Guangzhou in 7–14 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 — Guangzhou

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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

Product Categories

Gate Valves Globe Valves Butterfly Valves Check Valves

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