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Valves for Pulp & Paper Industry — Tashkent

Tashkent is the procurement hub for Uzbekistan's sizeable natural gas sector — Uzbekneftegaz (UNG) operates the Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex, and Ustyurt petrochemical facility; LUKOIL Uzbekistan operates the Gissar and Kandym gas projects; Navoiyazot's nitrogen fertilizer and chemical complex at Navoi requires ammonia-service valves; Vajra Industrial Solutions supplies API 6D ball valves and gate valves for Uzbekistan gas projects, ASME B16.34 Class 300–900 gate valves for UNG infrastructure, and SS 316 globe valves for chemical service, with full export documentation for Uzbek customs and payment terms via LC or advance.

Knife gate valves, diaphragm valves, ball valves (CS/SS), and pinch valves for kraft pulping, black liquor handling, bleaching chemical circuits, and paper machine wet-end service.

ISO 9001:2015ASME B16.34TAPPI TIS 0304-08 (Pulp consistency)IBR (Steam service in recovery boiler)PED 2014/68/EU (European pressure equipment)
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Pulp & Paper Industry Valves — Available in Tashkent

Knife Gate Valve (Pulp Stock)

PN 6 / PN 10 / PN 16

Standard on/off isolation valve for pulp stock lines — blade cuts through fibres; rubber-lined for abrasion resistance

Materials: DI or CS body, SS 316 or hardened SS 420 blade, natural rubber or EPDM seat liner  ·  Standards: ISO 9001, EN 13397, TAPPI TIS 0304-08
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Diaphragm Valve (Chemical / Bleach Plant)

PN 10 / PN 16

Zero leakage for bleaching chemicals (ClO₂, H₂O₂, NaOH) — no packing in contact with aggressive bleaching agents

Materials: SS 316L or PVDF body, PTFE diaphragm for ClO₂ and H₂O₂, EPDM for NaOH  ·  Standards: ASME B16.34, ISO 16138, ISO 9001
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Ball Valve (CS / SS, Black Liquor Service)

Class 150 / 300 / 600

Isolation and on/off control on black liquor lines (strongly alkaline, high-temperature, high-solids) — trunnion design for larger sizes

Materials: A216 WCB (lower temperature), SS 316 / CF8M (high-temperature and corrosive service), hardened SS 316 trim  ·  Standards: ASME B16.34, API 6D (where applicable), ISO 9001
View Ball Valve (CS / SS, Black Liquor Service) options for Tashkent →

Pinch Valve (White Water / Consistency Control)

PN 6 / PN 10

Pulp consistency and white water flow control — no internal obstruction, self-cleaning, ideal for fibrous suspensions

Materials: CS or DI body, natural rubber sleeve (standard) or EPDM (elevated temperature)  ·  Standards: ISO 9001, EN 13397
View Pinch Valve (White Water / Consistency Control) options for Tashkent →

Pulp & Paper Industry Industry in Tashkent

Tashkent is the procurement hub for Uzbekistan's sizeable natural gas sector — Uzbekneftegaz (UNG) operates the Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex, and Ustyurt petrochemical facility; LUKOIL Uzbekistan operates the Gissar and Kandym gas projects; Navoiyazot's nitrogen fertilizer and chemical complex at Navoi requires ammonia-service valves; Vajra Industrial Solutions supplies API 6D ball valves and gate valves for Uzbekistan gas projects, ASME B16.34 Class 300–900 gate valves for UNG infrastructure, and SS 316 globe valves for chemical service, with full export documentation for Uzbek customs and payment terms via LC or advance.

Natural Gas & PipelineOil & Gas (Uzbekneftegaz)Chemical & Fertilizer (Navoiyazot)Power GenerationMining & Metallurgy

Critical Valve Requirements

Abrasion resistance for pulp fibres — natural rubber or EPDM liners with hardness 60–70 Shore A for knife gate seats
Full-bore, self-draining design for pulp stock — prevents fibre plug formation when valve is closed
Chemical resistance to bleaching agents: ClO₂, H₂O₂, NaOH, SO₂ — PTFE or PVDF diaphragms for oxidising bleach chemicals
High-temperature capability for black liquor (up to 150°C) — SS 316 or alloy steel body; A217 WC6 for recovery boiler steam
IBR certification for valves on recovery boiler steam lines (high-pressure steam service)
Replaceable wear components (sleeves, liners, diaphragms) — essential for minimising mill downtime
Bi-directional sealing for knife gate valves on pulp stock lines where reverse differential is possible

Why Tashkent's Natural Gas & Pipeline Sector Needs Pulp & Paper Industry Valves

Tashkent is the procurement hub for Uzbekistan's sizeable natural gas sector — Uzbekneftegaz (UNG) operates the Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex, and Ustyurt petrochemical facility; LUKOIL Uzbekistan operates the Gissar and Kandym gas projects; Navoiyazot's nitrogen fertilizer and chemical complex at Navoi requires ammonia-service valves; Vajra Industrial Solutions supplies API 6D ball valves and gate valves for Uzbekistan gas projects, ASME B16.34 Class 300–900 gate valves for UNG infrastructure, and SS 316 globe valves for chemical service, with full export documentation for Uzbek customs and payment terms via LC or advance. Key facilities in the Tashkent area — including Uzbekneftegaz (UNG) HQ Tashkent, Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex — rely on Knife Gate Valve (Pulp Stock) for their oil & gas (uzbekneftegaz) operations. Vajra Industrial Solutions supplies Knife Gate Valve (Pulp Stock), Diaphragm Valve (Chemical / Bleach Plant), Ball Valve (CS / SS, Black Liquor Service), Pinch Valve (White Water / Consistency Control) for pulp & paper industry projects across Tashkent Region, with full ISO 9001:2015 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 Tashkent

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

Also serving: Uzbekneftegaz (UNG) HQ Tashkent, Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex, LUKOIL Uzbekistan operations (Gissar), Navoiyazot nitrogen fertilizer plant (Navoi)

FAQ — Pulp & Paper Industry Valves in Tashkent

Do you supply pulp & paper industry valves in Tashkent?
Yes. Vajra Industrial Solutions supplies Knife Gate Valve (Pulp Stock), Diaphragm Valve (Chemical / Bleach Plant), Ball Valve (CS / SS, Black Liquor Service), Pinch Valve (White Water / Consistency Control) for pulp & paper industry applications in Tashkent, Tashkent Region. Tashkent is the procurement hub for Uzbekistan's sizeable natural gas sector — Uzbekneftegaz (UNG) operates the Mubarek Gas Processing Plant, Shurtan Gas Chemical Complex, and Ustyurt petrochemical facility; LUKOIL Uzbekistan operates the Gissar and Kandym gas projects; Navoiyazot's nitrogen fertilizer and chemical complex at Navoi requires ammonia-service valves; Vajra Industrial Solutions supplies API 6D ball valves and gate valves for Uzbekistan gas projects, ASME B16.34 Class 300–900 gate valves for UNG infrastructure, and SS 316 globe valves for chemical service, with full export documentation for Uzbek customs and payment terms via LC or advance. We offer export documentation and delivery to Tashkent in 7–14 business days with full documentation and third-party inspection.
What certifications are required for pulp & paper industry valves in Tashkent?
For pulp & paper industry in Tashkent, the applicable standards are: ISO 9001:2015, ASME B16.34, TAPPI TIS 0304-08 (Pulp consistency), IBR (Steam service in recovery boiler), PED 2014/68/EU (European pressure equipment). 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 pulp & paper industry valves to Tashkent?
Standard stock sizes: export documentation and delivery to Tashkent 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 valve is best for pulp stock (fibrous suspension) service?
For pulp stock (cellulosic fibre suspension at 3–14% consistency), knife gate valves are the most common choice. The blade-gate design allows the blade to cut through the fibre mat and seat against a rubber seat liner, providing reliable on/off isolation. Full-bore design prevents fibre plug formation in the valve body. Pinch valves are also widely used for lower-pressure stock lines (PN 6/10) and offer excellent resistance to fibre abrasion (no internal metal in the flow path). Globe and ball valves are not suitable for medium-to-high consistency stock without special design modifications.
What materials resist black liquor in kraft pulp mill valves?
Black liquor is a challenging fluid: strongly alkaline (pH 12–14), high dissolved solids (50–70% dry solids in strong black liquor), contains sodium carbonate, sodium sulphate, sodium sulphide, and lignin, at temperatures of 90–150°C. Carbon steel is susceptible to corrosion in hot black liquor. SS 316 (A351 CF8M) is the standard material for black liquor valve bodies and trim. For high-temperature, high-solids strong black liquor near the evaporators and recovery boiler: Duplex stainless (F51) or Alloy 20 provides better corrosion resistance. White liquor (NaOH + Na₂S, pH 13–14): SS 316L minimum; Duplex preferred.

Other Application Guides for Tashkent

Oil & Gas PipelinesPharmaceutical & Biotech (Cleanroom / Hygienic)LNG & Cryogenic ServiceWater Treatment & DesalinationRefinery & Petrochemical ProcessPower Generation (Thermal, Gas, Hydro)Marine & Offshore ServiceMining & Mineral ProcessingHVAC & Building ServicesChemical & Petrochemical ProcessingHygienic Food & Beverage ProcessingHydrogen & Clean Energy ServiceDesalination & High-Purity Water

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Pulp & Paper Industry Valves — Tashkent

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Standards

ISO 9001:2015
ASME B16.34
TAPPI TIS 0304-08 (Pulp consistency)
IBR (Steam service in recovery boiler)
PED 2014/68/EU (European pressure equipment)

Product Categories

Ball Valves Gate Valves Diaphragm Valves Pinch Valves

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