What material should a check valve for Xylene (C₈H₁₀ - Ortho, Meta, Para) be?

Carbon Steel (Excellent): Standard for xylene storage and distribution. SS 316L (Excellent): Preferred where corrosion protection is required. PTFE seals (Excellent): Best elastomer choice - resistant to xylene. Viton (FKM) seals (Good): Acceptable for xylene service.

Xylene (C₈H₁₀ - Ortho, Meta, Para) service

Service Selection

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

Which check valves configuration suits Xylene (C₈H₁₀ - Ortho, Meta, Para) (C₈H₁₀), in which material, to which standard — from real service data, with the pitfalls flagged.

Which check valves for Xylene (C₈H₁₀ - Ortho, Meta, Para)?

Check Valve - Pump protection on xylene transfer and loading pumps Typical service window: 1–25 barg, Ambient to +180°C (PTA oxidation reactor circuits).

Recommended Configurations

Check Valve

Pump protection on xylene transfer and loading pumps

Body Material for Xylene (C₈H₁₀ - Ortho, Meta, Para)

Rated from real compatibility data - click any material for the full decision page.

Carbon SteelStandard for xylene storage and distribution.Excellent SS 316LPreferred where corrosion protection is required.Excellent PTFE sealsBest elastomer choice - resistant to xylene.Excellent Viton (FKM) sealsAcceptable for xylene service.Good EPDM / NBR sealsBoth swell in aromatic hydrocarbons - not acceptable.Poor

Governing Standards for Xylene (C₈H₁₀ - Ortho, Meta, Para) Service

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

What to Avoid in Xylene (C₈H₁₀ - Ortho, Meta, Para) Service

NBR or EPDM-seated valves - xylene degrades these elastomers
Non-fire-safe valves in ATEX Zone 1 process areas

Service 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

Other valve types for Xylene (C₈H₁₀ - Ortho, Meta, Para)

Ball Valves for Xylene (C₈H₁₀ - Ortho, Meta, Para)Gate Valves for Xylene (C₈H₁₀ - Ortho, Meta, Para)Butterfly Valves for Xylene (C₈H₁₀ - Ortho, Meta, Para)

Check Valves for other services

Check Valves for High-Pressure Steam Check Valves for Carbon Dioxide (CO₂)Check Valves for Diesel Fuel / Fuel Oil Check Valves for Cooling Water Check Valves for Methanol (Methyl Alcohol)Check Valves for Hot Oil (Thermal Heat Transfer Fluid)Check Valves for MEG / Glycol (Monoethylene Glycol - Gas Dehydration)Check Valves for Demineralised Water (DM Water / Deionised Water)

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

Connected Engineering

Standards

API 6D ASME B16.34 API 607 Fire-Safe

Products

Check Valves

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Relevant Products

Vajra Check Valves

Engineering references

Xylene (C₈H₁₀ - Ortho, Meta, Para) service guideFull compatibility, standards & considerations Vajra Check ValvesFull range, specs & standards Spec Check engineValidate this spec before the RFQ