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Tehran · Textile & Dyeing Plants

Valves for Textile & Dyeing Plants — Tehran

Tehran is home to NIOC, NPC, and NIORDC — Iran's national oil, petrochemical, and refining organisations — plus major EPC contractors including MAPNA Group and IPC for power and petrochemical projects; Iran's massive South Pars gas condensate field operations and 10+ Mtpa petrochemical complex at Assaluyeh require continuous procurement of API 6D ball valves, gate valves, and globe valves; Vajra Industrial Solutions supplies API 6D Class 150–1500 ball valves, ASME B16.34 gate and globe valves, and butterfly valves to Iranian EPC contractors and trading companies with full ISO 9001 documentation and competitive international pricing.

SS316L ball and butterfly valves for dye bath and chemical auxiliary service, PVDF or titanium valves for bleaching chemicals, and IBR gate valves for jigger and yarn dyeing machine steam heating.

ASME B16.34IBR 1950 (Steam)API 598ISO 9001:2015FSSAI (where textile dyes are near food processing)
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Textile & Dyeing Plants Valves — Available in Tehran

Ball Valve (SS316L)

Class 150 / PN 16

Dye bath feed, auxiliary chemical dosing, hot water and acid/alkali service — SS316L resists most textile chemicals except strong oxidisers

Materials: A182 F316L body; SS316L ball; PTFE seats (chemical resistant); PTFE packing  ·  Standards: ASME B16.34, API 598
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Butterfly Valve (EPDM or PVDF-Lined)

PN 10 / PN 16

Large-bore dye bath circulation and transfer — EPDM seat for dye and mild acid/alkali; PVDF-lined disc for oxidising bleach agents

Materials: WCB body; SS316L or PVDF disc; EPDM seat (dye/mild chemicals) or FKM (oxidisers)  ·  Standards: EN 593, API 609, ASME B16.34
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Diaphragm Valve (Textile Chemical)

PN 10

Corrosive chemical addition, bleach dosing systems — elastomer diaphragm provides isolation of metallic body from chemical

Materials: PP (polypropylene) or PVC body for aggressive chemicals; EPDM or PTFE diaphragm; line size DN15–DN100  ·  Standards: ASME B16.34, DIN 3202
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Gate Valve (IBR Steam)

Class 150 / 300

Dyeing machine steam heating, heat-setting calender, and autoclave steam supply — IBR Form III mandatory

Materials: A216 WCB; graphite packing for 180°C saturated steam; SS316 stem  ·  Standards: IBR 1950, ASME B16.34
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Textile & Dyeing Plants Industry in Tehran

Tehran is home to NIOC, NPC, and NIORDC — Iran's national oil, petrochemical, and refining organisations — plus major EPC contractors including MAPNA Group and IPC for power and petrochemical projects; Iran's massive South Pars gas condensate field operations and 10+ Mtpa petrochemical complex at Assaluyeh require continuous procurement of API 6D ball valves, gate valves, and globe valves; Vajra Industrial Solutions supplies API 6D Class 150–1500 ball valves, ASME B16.34 gate and globe valves, and butterfly valves to Iranian EPC contractors and trading companies with full ISO 9001 documentation and competitive international pricing.

Oil & Gas (NIOC)Petrochemical (NPC)Refining (NIORDC)Power GenerationChemical & Fertilizer

Critical Valve Requirements

Material compatibility matrix — each valve service must be individually checked against the specific chemical: SS316L is not suitable for hydrochloric acid or chloride-rich bleach above 60°C
IBR certification for all steam valves in Indian textile plants — steam to dyeing machines, calenders, and autoclave sterilisers above 3.5 kg/cm²
Hydrogen peroxide service — H₂O₂ is a strong oxidiser; PVDF or titanium body; PTFE or EPDM seats; no iron or copper contamination (catalyses H₂O₂ decomposition)
Sodium hypochlorite bleach — unstable above 40°C; SS316L and CPVC; no rubber in contact with NaOCl (attacks EPDM and NBR above 2% concentration)
Dye bath recirculation — large-bore DN100–DN300 butterfly valves required for high-volume dye vessel circulation; EPDM seat for pH 4–11 textile dyes
Wastewater treatment — valve materials for effluent must resist mixed chemicals; rubber-lined or SS316L butterfly valves

Why Tehran's Oil & Gas (NIOC) Sector Needs Textile & Dyeing Plants Valves

Tehran is home to NIOC, NPC, and NIORDC — Iran's national oil, petrochemical, and refining organisations — plus major EPC contractors including MAPNA Group and IPC for power and petrochemical projects; Iran's massive South Pars gas condensate field operations and 10+ Mtpa petrochemical complex at Assaluyeh require continuous procurement of API 6D ball valves, gate valves, and globe valves; Vajra Industrial Solutions supplies API 6D Class 150–1500 ball valves, ASME B16.34 gate and globe valves, and butterfly valves to Iranian EPC contractors and trading companies with full ISO 9001 documentation and competitive international pricing. Key facilities in the Tehran area — including NIOC (National Iranian Oil Company) HQ, NPC (National Petrochemical Company) procurement, Tehran Refinery (NIORDC) — rely on Ball Valve (SS316L) for their chemical & fertilizer operations. Vajra Industrial Solutions supplies Ball Valve (SS316L), Butterfly Valve (EPDM or PVDF-Lined), Diaphragm Valve (Textile Chemical), Gate Valve (IBR Steam) for textile & dyeing plants projects across Tehran Province, 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 Tehran

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

Also serving: NIOC (National Iranian Oil Company) HQ, NPC (National Petrochemical Company) procurement, Tehran Refinery (NIORDC), MAPNA Group power EPC, IDRO (Industrial Development & Renovation Organisation)

FAQ — Textile & Dyeing Plants Valves in Tehran

Do you supply textile & dyeing plants valves in Tehran?
Yes. Vajra Industrial Solutions supplies Ball Valve (SS316L), Butterfly Valve (EPDM or PVDF-Lined), Diaphragm Valve (Textile Chemical), Gate Valve (IBR Steam) for textile & dyeing plants applications in Tehran, Tehran Province. Tehran is home to NIOC, NPC, and NIORDC — Iran's national oil, petrochemical, and refining organisations — plus major EPC contractors including MAPNA Group and IPC for power and petrochemical projects; Iran's massive South Pars gas condensate field operations and 10+ Mtpa petrochemical complex at Assaluyeh require continuous procurement of API 6D ball valves, gate valves, and globe valves; Vajra Industrial Solutions supplies API 6D Class 150–1500 ball valves, ASME B16.34 gate and globe valves, and butterfly valves to Iranian EPC contractors and trading companies with full ISO 9001 documentation and competitive international pricing. We offer export documentation and delivery to Tehran in 7–14 business days with full documentation and third-party inspection.
What certifications are required for textile & dyeing plants valves in Tehran?
For textile & dyeing plants in Tehran, the applicable standards are: ASME B16.34, IBR 1950 (Steam), API 598, ISO 9001:2015, FSSAI (where textile dyes are near food processing). 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 textile & dyeing plants valves to Tehran?
Standard stock sizes: export documentation and delivery to Tehran 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.
Can SS316L valves handle all textile dyeing chemicals?
SS316L handles most textile chemicals: dye baths (pH 3–11), caustic soda (up to 70%), and mild oxidisers. However, SS316L is NOT suitable for: (1) hydrochloric acid above very dilute concentrations; (2) sodium hypochlorite above 2% at elevated temperature (above 40°C) — pitting and SCC; (3) hydrogen peroxide above 30% at elevated temperatures — H₂O₂ attacks SS316L above certain conditions. For these oxidising chemicals, specify PVDF, titanium, or CPVC valves. Always check a chemical compatibility chart against your specific dye bath pH, temperature, and concentration.
Are diaphragm or ball valves better for textile chemical dosing?
Both are used, and the choice depends on: (1) For clean chemical dosing lines (concentrated dye, softener, H₂O₂) — SS316L ball valves are preferred for their on/off reliability, compact size, and low maintenance. (2) For aggressive chemicals like bleach or peracetic acid where even SS316L may be marginal — PVDF or PP diaphragm valves eliminate metallic contact with the fluid and provide a safer solution. Diaphragm valves also provide easier visual inspection of the elastomeric diaphragm condition without disassembly.

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Textile & Dyeing Plants Valves — Tehran

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Standards

ASME B16.34
IBR 1950 (Steam)
API 598
ISO 9001:2015
FSSAI (where textile dyes are near food processing)

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