HomeService by FluidXylene (C₈H₁₀ - Ortho, Meta, Para)

hydrocarbonC₈H₁₀CAS 1330-20-7

Valves for Xylene (C₈H₁₀ - Ortho, Meta, Para) Service

Xylenes are aromatic hydrocarbons produced from catalytic reforming and coal tar distillation, widely used as solvents and as feedstocks for PTA (purified terephthalic acid, the monomer for PET polyester). Para-xylene (p-xylene) is by far the most commercially important isomer, processed in UOP Parex / Axens Eluxyl continuous adsorptive separation units at moderate pressure. Xylene is flammable (flash point ~25–30°C) and a mild CNS hazard; its main valve demands are fire-safe design and solvent-resistant elastomers.

Pressure Range

1–25 barg

Temperature

Ambient to +180°C (PTA oxidation reactor circuits)

Industries

Aromatics complex (reforming, extraction), PTA / PET production, Solvent manufacturing

INDICATIVE ONLY - Reference DisclaimerXylene is a flammable aromatic solvent. Fire-safe (API 607) valves are mandatory. EPDM and NBR elastomers are incompatible - PTFE or Viton seals only. Vajra Industrial Solutions accepts no liability for material selection decisions based on this guide.

What valves are used for Xylene (C₈H₁₀ - Ortho, Meta, Para) service?

Ball Valve (WCB, fire-safe, PTFE seat) are recommended for Xylene (C₈H₁₀ - Ortho, Meta, Para) service: Standard isolation for xylene pipelines and tank connections in aromatics complex.

Key Properties - Xylene (C₈H₁₀ - Ortho, Meta, Para)

  • Flash point ~25–30°C (depending on isomer) - flammable liquid, ATEX Zone 1 in process areas
  • Good solvent - attacks many rubber elastomers and paints
  • Non-corrosive to steel, SS, bronze
  • Handled in liquid phase at near-ambient conditions in aromatics plants
  • PTA oxidation reactor uses acetic acid + xylene mixture at elevated temperature

Vajra Industrial Solutions manufactures and supplies valves for Xylene (C₈H₁₀ - Ortho, Meta, Para) service — including ball valve (wcb, fire-safe, ptfe seat) — in corrosion-appropriate materials selected for the operating conditions described here, with full material and test documentation.

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Material Compatibility - Xylene (C₈H₁₀ - Ortho, Meta, Para)

Ratings are indicative. Actual compatibility depends on concentration, temperature, velocity, and presence of contaminants. Always consult corrosion tables or a materials engineer.

MaterialRatingNotes
Carbon Steel (WCB)ExcellentStandard for xylene storage and distribution.
SS 316LExcellentPreferred where corrosion protection is required.
PTFE sealsExcellentBest elastomer choice - resistant to xylene.
Viton (FKM) sealsGoodAcceptable for xylene service.
EPDM / NBR sealsPoorBoth swell in aromatic hydrocarbons - not acceptable.

Recommended Valves

Ball Valve (WCB, fire-safe, PTFE seat)

Standard isolation for xylene pipelines and tank connections in aromatics complex

Full selection guide

Gate Valve

Mainline isolation on large xylene transfer lines

Full selection guide

Butterfly Valve (fire-safe, PTFE seat)

Low-pressure xylene circuits and tank blanketing

Full selection guide

Check Valve

Pump protection on xylene transfer and loading pumps

Full selection guide

Valves to Avoid

NBR or EPDM-seated valves - xylene degrades these elastomers

Non-fire-safe valves in ATEX Zone 1 process areas

Special Considerations

Fire-safe API 607 valves mandatory in all xylene process and storage areas
PTFE or Viton seals only - NBR and EPDM are incompatible with aromatic hydrocarbons
ESD valves on storage tank connections in PX (para-xylene) plants
Acetic acid corrosion in PTA oxidation circuits - Hastelloy C-276 required for high-acid streams

Applicable Standards

API 607 (fire testing)API 6DASME B16.34ATEX 2014/34/EU

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Xylene (C₈H₁₀ - Ortho, Meta, Para) Service — Procurement & Specification

Typical Applications

Aromatics complex (reforming, extraction)PTA / PET productionSolvent manufacturingChemical intermediatesPaints and coatings

Available Standards

API 607 (fire testing)API 6DASME B16.34ATEX 2014/34/EU

Material Options

Carbon Steel (WCB)SS 316LPTFE sealsViton (FKM) seals

Documentation Available

  • -EN 10204 3.1 Material Test Certificates (heat traceable)
  • -API 598 hydrostatic shell & seat test reports
  • -Dimensional inspection reports
  • -Full Manufacturing Data Record (MDR) / data book on request
View documentation package

Inspection Options

  • -In-house QC inspection on every order
  • -Third-party inspection (SGS / Bureau Veritas / TÜV / DNV) coordination
  • -Witness and hold points accommodated on request
View inspection & testing

Order Quantities

Flexible — from single critical-spare valves to full project lots.

Export

Worldwide export with complete documentation (COO, EUR.1, packing lists) to 20+ countries.

Custom Engineering

Built to your specification — materials, trim, pressure class and special service (NACE, fire-safe, IBR, cryogenic).

Delivery Support

Dispatch from Vadodara, Gujarat with documented lead times and priority handling for urgent requirements.

Engineering references

Reviewed by Process Engineering, Vajra Industrial SolutionsDiscipline: Process & Fluid Service EngineeringLast reviewed: 20 June 2026

Connected Engineering

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