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Valves for Glass, Ceramics & Refractory Industries — Prague

Prague is Central Europe's dominant industrial procurement hub — Orlen Unipetrol operates the Kralupy nad Vltavou refinery (117,000 bpd) and Litvínov petrochemical complex (annual 5 Mt production), requiring API 600 gate valves, ASME B16.34 Class 300–600 ball valves, and NACE MR0175 compliant trim for hydrotreater service; CEZ Group's Dukovany and Temelín NPPs need ASME III nuclear-grade isolation valves and Class 900 pressure-seal gate valves for steam services; Spolana Neratovice (BASF) chloro-alkali plant requires Hastelloy C-276 and PTFE-lined valves for Cl2 and NaOH service; Vajra Industrial Solutions supplies Czech EPC firms including Worley CZ and SYNTHOS Projects with PED 2014/68/EU certified, CE-marked valves and full MTC/PMI documentation.

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 Prague

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 Prague

Prague is Central Europe's dominant industrial procurement hub — Orlen Unipetrol operates the Kralupy nad Vltavou refinery (117,000 bpd) and Litvínov petrochemical complex (annual 5 Mt production), requiring API 600 gate valves, ASME B16.34 Class 300–600 ball valves, and NACE MR0175 compliant trim for hydrotreater service; CEZ Group's Dukovany and Temelín NPPs need ASME III nuclear-grade isolation valves and Class 900 pressure-seal gate valves for steam services; Spolana Neratovice (BASF) chloro-alkali plant requires Hastelloy C-276 and PTFE-lined valves for Cl2 and NaOH service; Vajra Industrial Solutions supplies Czech EPC firms including Worley CZ and SYNTHOS Projects with PED 2014/68/EU certified, CE-marked valves and full MTC/PMI documentation.

Oil Refining & Petrochemical (Orlen Unipetrol)Nuclear Power (CEZ — Dukovany & Temelín NPPs)Chemical Industry (DEZA, Spolana, BASF)Automotive Manufacturing (Škoda Auto supply chain)EPC Contracting & Engineering

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 Prague's Oil Refining & Petrochemical (Orlen Unipetrol) Sector Needs Glass, Ceramics & Refractory Industries Valves

Prague is Central Europe's dominant industrial procurement hub — Orlen Unipetrol operates the Kralupy nad Vltavou refinery (117,000 bpd) and Litvínov petrochemical complex (annual 5 Mt production), requiring API 600 gate valves, ASME B16.34 Class 300–600 ball valves, and NACE MR0175 compliant trim for hydrotreater service; CEZ Group's Dukovany and Temelín NPPs need ASME III nuclear-grade isolation valves and Class 900 pressure-seal gate valves for steam services; Spolana Neratovice (BASF) chloro-alkali plant requires Hastelloy C-276 and PTFE-lined valves for Cl2 and NaOH service; Vajra Industrial Solutions supplies Czech EPC firms including Worley CZ and SYNTHOS Projects with PED 2014/68/EU certified, CE-marked valves and full MTC/PMI documentation. Key facilities in the Prague area — including Orlen Unipetrol Kralupy nad Vltavou Refinery (117,000 bpd), Orlen Unipetrol Litvínov Petrochemical Complex (5 Mt/yr), Spolana Neratovice Chloro-Alkali Plant (BASF subsidiary) — rely on Knife Gate Valve for their oil refining & petrochemical (orlen unipetrol) 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 Prague, 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 Prague

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

Also serving: Orlen Unipetrol Kralupy nad Vltavou Refinery (117,000 bpd), Orlen Unipetrol Litvínov Petrochemical Complex (5 Mt/yr), Spolana Neratovice Chloro-Alkali Plant (BASF subsidiary), CEZ Dukovany NPP (4 × 440 MWe VVER), DEZA Valašské Meziříčí (tar distillation, BTX chemicals)

FAQ — Glass, Ceramics & Refractory Industries Valves in Prague

Do you supply glass, ceramics & refractory industries valves in Prague?
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 Prague, Prague. Prague is Central Europe's dominant industrial procurement hub — Orlen Unipetrol operates the Kralupy nad Vltavou refinery (117,000 bpd) and Litvínov petrochemical complex (annual 5 Mt production), requiring API 600 gate valves, ASME B16.34 Class 300–600 ball valves, and NACE MR0175 compliant trim for hydrotreater service; CEZ Group's Dukovany and Temelín NPPs need ASME III nuclear-grade isolation valves and Class 900 pressure-seal gate valves for steam services; Spolana Neratovice (BASF) chloro-alkali plant requires Hastelloy C-276 and PTFE-lined valves for Cl2 and NaOH service; Vajra Industrial Solutions supplies Czech EPC firms including Worley CZ and SYNTHOS Projects with PED 2014/68/EU certified, CE-marked valves and full MTC/PMI documentation. We offer export documentation and delivery to Prague in 7–14 business days with full documentation and third-party inspection.
What certifications are required for glass, ceramics & refractory industries valves in Prague?
For glass, ceramics & refractory industries in Prague, 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 Prague?
Standard stock sizes: export documentation and delivery to Prague 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).

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Glass, Ceramics & Refractory Industries Valves — Prague

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Standards

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

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Gate Valves Butterfly Valves Pinch Valves

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