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Hai Phong · Glass, Ceramics & Refractory Industries

Valves for Glass, Ceramics & Refractory Industries - Hai Phong

Hai Phong is northern Vietnam's largest port city and industrial engine, home to the DEEP C and VSIP Hai Phong industrial zones, the LG Electronics and LG Display manufacturing cluster, the VinFast automotive complex on Cat Hai island, and the Lach Huyen deep-water gateway port; rapid industrial and utility build-out drives demand for API 609 butterfly valves for cooling and firewater systems, API 6D and API 608 ball valves for utility and process lines, stainless SS304/SS316 valves for chemical and electronics-grade water, control valves for process and HVAC plant, and API 526 safety-relief valves for boilers and compressed-air systems; ASME B16.34, B16.5, and Vietnamese EPC standards apply with full material certification; Vajra Industrial Solutions supplies Hai Phong industrial-zone developers, factory maintenance teams, and EPC contractors with API- and ISO-certified valve packages, PMI documentation, and reliable Southeast Asia delivery.

Knife gate and pinch valves for ceramic slip and slurry, high-temperature butterfly valves for combustion air/gas in glass furnaces, and IBR gate valves for kiln cogeneration steam.

ASME B16.34IBR 1950 (Steam)API 609 (Butterfly)IS 6157 (Knife Gate)API 598
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Glass, Ceramics & Refractory Industries Valves - Available in Hai Phong

Knife Gate Valve

PN 6 / PN 10

Ceramic slip, glaze, and ball mill slurry isolation - knife gate cuts through fibrous and particulate-laden media

Materials: SS316L blade with WCB body; UHMWPE or natural rubber seat for ceramic slurry abrasion resistance  ·  Standards: IS 6157, ASME B16.34
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High-Temperature Butterfly Valve

PN 6 / PN 10

Combustion air and gas damper duty for glass tank furnaces and tunnel kilns - disc temperature to 600°C

Materials: A217 WC9 disc for high-temp combustion air; graphite packing; high-temperature spring-loaded seat  ·  Standards: EN 593, API 609, ASME B16.34
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Pinch Valve

PN 6 / PN 10

Abrasive ceramic slurry with high solid content - full-bore, no internal metal contact with abrasive slurry

Materials: WCB or SS316 body; natural rubber or EPDM sleeve; pneumatic or handwheel actuation  ·  Standards: ASME B16.34
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Gate Valve (IBR Steam)

Class 300 / 600

Cogeneration boiler and lehr steam humidity control - IBR Form III mandatory for Indian glass plants

Materials: A216 WCB; SS316 stem; graphite packing for high-temperature steam  ·  Standards: IBR 1950, ASME B16.34, API 600
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Glass, Ceramics & Refractory Industries Industry in Hai Phong

Hai Phong is northern Vietnam's largest port city and industrial engine, home to the DEEP C and VSIP Hai Phong industrial zones, the LG Electronics and LG Display manufacturing cluster, the VinFast automotive complex on Cat Hai island, and the Lach Huyen deep-water gateway port; rapid industrial and utility build-out drives demand for API 609 butterfly valves for cooling and firewater systems, API 6D and API 608 ball valves for utility and process lines, stainless SS304/SS316 valves for chemical and electronics-grade water, control valves for process and HVAC plant, and API 526 safety-relief valves for boilers and compressed-air systems; ASME B16.34, B16.5, and Vietnamese EPC standards apply with full material certification; Vajra Industrial Solutions supplies Hai Phong industrial-zone developers, factory maintenance teams, and EPC contractors with API- and ISO-certified valve packages, PMI documentation, and reliable Southeast Asia delivery.

Deep-Water Port (Lach Huyen / Cat Hai)Electronics & Manufacturing (LG Electronics, LG Display)Automotive (VinFast Cat Hai complex)Industrial Zones (DEEP C, VSIP Hai Phong)Chemicals & Power

Critical Valve Requirements

Ceramic slurry valves - abrasion resistance is primary selection criterion; hardened UHMWPE or ceramic-lined seats; knife gate or pinch valve design
Natural gas to glass furnace - fire-safe ball valves per API 607 on gas supply; solenoid-operated ESD for automatic shut-off on furnace trip
High-temperature combustion air damper - graphite or metallic packing; no PTFE or elastomers above 250°C
IBR certification for all steam valves above 3.5 kg/cm² - Form III-C and III-E mandatory for Indian plants
CIP of ceramic spray lines - caustic soda cleaning; EPDM or UHMWPE seats resist caustic soda in slurry lines
Large-bore combustion air - butterfly valves DN300–DN1200 for furnace combustion air; ensure no air leak on closure

Why Hai Phong's Deep-Water Port (Lach Huyen / Cat Hai) Sector Needs Glass, Ceramics & Refractory Industries Valves

Hai Phong is northern Vietnam's largest port city and industrial engine, home to the DEEP C and VSIP Hai Phong industrial zones, the LG Electronics and LG Display manufacturing cluster, the VinFast automotive complex on Cat Hai island, and the Lach Huyen deep-water gateway port; rapid industrial and utility build-out drives demand for API 609 butterfly valves for cooling and firewater systems, API 6D and API 608 ball valves for utility and process lines, stainless SS304/SS316 valves for chemical and electronics-grade water, control valves for process and HVAC plant, and API 526 safety-relief valves for boilers and compressed-air systems; ASME B16.34, B16.5, and Vietnamese EPC standards apply with full material certification; Vajra Industrial Solutions supplies Hai Phong industrial-zone developers, factory maintenance teams, and EPC contractors with API- and ISO-certified valve packages, PMI documentation, and reliable Southeast Asia delivery. Key facilities in the Hai Phong area - including DEEP C Industrial Zones, VSIP Hai Phong integrated township and IP, VinFast automotive complex, Cat Hai - rely on Knife Gate Valve for their deep-water port (lach huyen / cat hai) operations. Vajra Industrial Solutions supplies Knife Gate Valve, High-Temperature Butterfly Valve, Pinch Valve, Gate Valve (IBR Steam) for glass, ceramics & refractory industries projects across Hai Phong, with full ASME B16.34 and IBR 1950 (Steam) 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 Hai Phong

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

Also serving: DEEP C Industrial Zones, VSIP Hai Phong integrated township and IP, VinFast automotive complex, Cat Hai, Lach Huyen deep-water international gateway port

FAQ - Glass, Ceramics & Refractory Industries Valves in Hai Phong

Do you supply glass, ceramics & refractory industries valves in Hai Phong?
Yes. Vajra Industrial Solutions supplies Knife Gate Valve, High-Temperature Butterfly Valve, Pinch Valve, Gate Valve (IBR Steam) for glass, ceramics & refractory industries applications in Hai Phong, Hai Phong. Hai Phong is northern Vietnam's largest port city and industrial engine, home to the DEEP C and VSIP Hai Phong industrial zones, the LG Electronics and LG Display manufacturing cluster, the VinFast automotive complex on Cat Hai island, and the Lach Huyen deep-water gateway port; rapid industrial and utility build-out drives demand for API 609 butterfly valves for cooling and firewater systems, API 6D and API 608 ball valves for utility and process lines, stainless SS304/SS316 valves for chemical and electronics-grade water, control valves for process and HVAC plant, and API 526 safety-relief valves for boilers and compressed-air systems; ASME B16.34, B16.5, and Vietnamese EPC standards apply with full material certification; Vajra Industrial Solutions supplies Hai Phong industrial-zone developers, factory maintenance teams, and EPC contractors with API- and ISO-certified valve packages, PMI documentation, and reliable Southeast Asia delivery. We offer export documentation and delivery to Hai Phong in 7–14 business days with full documentation and third-party inspection.
What certifications are required for glass, ceramics & refractory industries valves in Hai Phong?
For glass, ceramics & refractory industries in Hai Phong, the applicable standards are: ASME B16.34, IBR 1950 (Steam), API 609 (Butterfly), IS 6157 (Knife Gate), API 598, EN 593 (Butterfly). 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 glass, ceramics & refractory industries valves to Hai Phong?
Standard stock sizes: export documentation and delivery to Hai Phong 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 ceramic slip over ball valves?
Ball valves trap ceramic slurry in the body cavity behind the ball when the valve closes. As the slurry dries or settles, it packs hard into the cavity and prevents the ball from re-opening. The next attempted operation shears off the slurry cake - or the actuator stalls. Knife gate valves eliminate this problem by using a thin gate that cuts through the slurry with no body cavity behind it. Pinch valves are even better for the highest-solids slurry - the elastomer sleeve squeezes shut with no metal contact with the abrasive medium at all.
What is the maximum temperature for EPDM seats in combustion air butterfly valves?
Standard EPDM seats are rated for continuous service up to approximately 120°C and intermittent service to 150°C. For combustion air butterfly valves operating above 150°C (typical for glass furnace combustion air preheated to 300–600°C using recuperators), EPDM seats are not suitable. Specify: (1) metallic seats - stainless steel with Stellite hard-face for metal-to-metal seating; (2) graphite expansion seats; or (3) high-performance butterfly valves with triple-offset metal seat design (triple-offset butterfly valves seal metal-to-metal with an eccentric disc that cams into the seat, requiring no elastomer).

Other Application Guides for Hai Phong

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Glass, Ceramics & Refractory Industries Valves - Hai Phong

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Standards

ASME B16.34
IBR 1950 (Steam)
API 609 (Butterfly)
IS 6157 (Knife Gate)
API 598
EN 593 (Butterfly)

Product Categories

Gate Valves Butterfly Valves Pinch Valves

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