Valves for Coke Oven & Steel Plants - Chiba

Name: Vajra Industrial Solutions
Address: 3rd Floor, 348, Aristo Complex, Opp. Sanghani Skyz, Navrachna University Road, Bhayali TP-2, Vadodara, Gujarat, 391410, IN
Telephone: +91-9979774557
Price range: $$

Knife gate valves for blast furnace gas and tar service, large-bore butterfly valves for BFG distribution mains, and IBR-certified steam valves for integrated steel plant cogeneration.

IS 6157 (BFG Gate Valves)ASME B16.34IBR 1950 (Steam)API 600API 609

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API 6D Certified

ASME B16.34

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Coke Oven & Steel Plants Valves - Available in Chiba

Knife Gate Valve

PN 10 / PN 16 (very low pressure BFG)

BFG and COG isolation with sticky tar deposits; full-bore for tar-laden gas; pneumatic actuated for remote operation

Materials: SS316 blade with WCB body; PTFE or NBR seat; easy blade replacement in-situ · Standards: IS 6157, BS 7671, ASME B16.34

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Butterfly Valve (Large Bore)

PN 6 / PN 10

BFG main distribution headers (DN600–DN2400); low pressure, large flow; double-offset for tight shutoff

Materials: WCB body; A351 CF8M disc; EPDM or FKM seat; SS316 shaft · Standards: API 609, EN 593, AWWA C504

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Gate Valve (IBR Steam)

Class 300 / 600

Cogeneration boiler steam headers; TRT (Top Gas Recovery Turbine) steam; IBR Form III mandatory

Materials: A216 WCB (to 425°C), A217 WC6 (to 540°C), A217 WC9 (to 595°C) · Standards: IBR 1950, API 600, ASME B16.34

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Globe Valve (Control)

Class 150 / 300

Cooling water and process control; coke quenching, BF cooling stave circuits

Materials: A216 WCB with SS316 trim; SS316L for demineralised water service · Standards: API 623, BS 1873, ASME B16.34

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Coke Oven & Steel Plants Industry in Chiba

Refining (ENEOS, Cosmo Oil Chiba)Petrochemicals (Sumitomo Chemical, Mitsui Chemicals, Maruzen Petrochemical)Steel (JFE Steel East Japan Works)LNG & Power (JERA Chiba / Sodegaura terminals)EPC & Plant Engineering

Critical Valve Requirements

BFG valves must accommodate sticky tar deposits - knife gate or through-conduit design; no wedge gate (tar packs the body cavity)

Large-bore butterfly valves for BFG (DN600–DN2400) - double-offset design for bubble-tight shutoff required at change of wind direction

IBR certification mandatory for all steam valves above 3.5 kg/cm² in Indian steel plants - Form III-C material and Form III-E hydrostatic test

Blast furnace water cooling valves - continuous service, no shutoff allowed; use dual parallel valves for maintenance

Coke oven gas (COG) - naphthalene deposition blocks small ports; use full-bore valves only; minimum DN50

IS 6157 compliance for BFG gate valves manufactured in India

Why Chiba's Refining (ENEOS, Cosmo Oil Chiba) Sector Needs Coke Oven & Steel Plants Valves

Chiba anchors Japan's Keiyo Industrial Zone along Tokyo Bay - one of the country's largest integrated hydrocarbon, chemical, and steel complexes - combining ENEOS and Cosmo Oil refineries, Sumitomo Chemical, Mitsui Chemicals, and Maruzen petrochemical plants, JFE Steel's East Japan Works, and the JERA Sodegaura LNG and power terminals; this breadth demands an unusually wide valve portfolio to JIS/JPI and licensor standards - API 6D and JIS B2071 ball, gate, and globe valves in A216 WCB and A351 CF8M for refinery and petrochemical lines, high-temperature WC9 and F22 valves for cracking and reforming, cryogenic gate and ball valves for the LNG terminals, high-temperature and abrasion-resistant valves for blast-furnace and steelmaking duty, fire-safe and low-fugitive valves for emissions control, and API 526 safety-relief valves; JIS B2220 flanges and full traceability are required; Vajra Industrial Solutions supplies Chiba refinery, petrochemical, steel, and LNG buyers with API 6D, high-temperature, cryogenic, and low-emission valve packages with JIS-compliant connections and full material certification. Key facilities in the Chiba area - including Keiyo Industrial Zone (Chiba-Ichihara-Sodegaura), ENEOS and Cosmo Oil Chiba refineries, JFE Steel East Japan Works - rely on Knife Gate Valve for their refining (eneos, cosmo oil chiba) operations. Vajra Industrial Solutions supplies Knife Gate Valve, Butterfly Valve (Large Bore), Gate Valve (IBR Steam), Globe Valve (Control) for coke oven & steel plants projects across Chiba Prefecture, with full IS 6157 (BFG Gate Valves) 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 Chiba

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

Also serving: Keiyo Industrial Zone (Chiba-Ichihara-Sodegaura), ENEOS and Cosmo Oil Chiba refineries, JFE Steel East Japan Works, JERA Sodegaura LNG terminal and power complex

FAQ - Coke Oven & Steel Plants Valves in Chiba

Do you supply coke oven & steel plants valves in Chiba?

Yes. Vajra Industrial Solutions supplies Knife Gate Valve, Butterfly Valve (Large Bore), Gate Valve (IBR Steam), Globe Valve (Control) for coke oven & steel plants applications in Chiba, Chiba Prefecture. Chiba anchors Japan's Keiyo Industrial Zone along Tokyo Bay - one of the country's largest integrated hydrocarbon, chemical, and steel complexes - combining ENEOS and Cosmo Oil refineries, Sumitomo Chemical, Mitsui Chemicals, and Maruzen petrochemical plants, JFE Steel's East Japan Works, and the JERA Sodegaura LNG and power terminals; this breadth demands an unusually wide valve portfolio to JIS/JPI and licensor standards - API 6D and JIS B2071 ball, gate, and globe valves in A216 WCB and A351 CF8M for refinery and petrochemical lines, high-temperature WC9 and F22 valves for cracking and reforming, cryogenic gate and ball valves for the LNG terminals, high-temperature and abrasion-resistant valves for blast-furnace and steelmaking duty, fire-safe and low-fugitive valves for emissions control, and API 526 safety-relief valves; JIS B2220 flanges and full traceability are required; Vajra Industrial Solutions supplies Chiba refinery, petrochemical, steel, and LNG buyers with API 6D, high-temperature, cryogenic, and low-emission valve packages with JIS-compliant connections and full material certification. We offer export documentation and delivery to Chiba in 7–14 business days with full documentation and third-party inspection.

What certifications are required for coke oven & steel plants valves in Chiba?

For coke oven & steel plants in Chiba, the applicable standards are: IS 6157 (BFG Gate Valves), ASME B16.34, IBR 1950 (Steam), API 600, API 609, IS 2825, ASME B16.10. 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 coke oven & steel plants valves to Chiba?

Standard stock sizes: export documentation and delivery to Chiba 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.

Why are knife gate valves preferred for blast furnace gas?

Conventional wedge gate valves trap BFG tar and dust in the body cavity, causing the gate to seize. Knife gate valves have no body cavity - the blade cuts through the medium with a shear action, shedding deposits on actuation. The flat-face gate also allows easy replacement in-situ when the knife edge wears, without removing the body from the pipeline. For large BFG mains (DN600–DN2400), double-offset butterfly valves are preferred over knife gates for better shutoff and lower actuator torque.

What IBR documentation is required for steel plant steam valves?

All steam valves above 3.5 kg/cm² must carry IBR Form III-C (Certified Material Test Report from the steel mill, showing heat number, chemical analysis, and mechanical test results) and IBR Form III-E (Hydraulic Test Certificate from the valve manufacturer, showing test pressure = 1.5 × rated working pressure held for ≥ 30 minutes). Vajra supplies both certificates as part of the standard documentation package for all IBR-certified valves.