Made in India • Registered Trademark

DEV Brand O-RingTM

Precision-engineered sealing solutions manufactured by Dev Impex, Mumbai. 30+ years of industrial expertise behind every ring — trusted by OEMs and maintenance teams across India.

30+
Years Manufacturing
ISO
Certified

Product Range

Available in all standard and custom sizes • Metric & Inch series • AS568 / ISO 3601 / DIN 3771

DEV Brand NBR O-Ring TM

Nitrile • Oil & fuel resistant
-40°C to +120°C

DEV Brand Viton O-Ring TM

FKM • Chemical resistant
-20°C to +200°C

DEV Brand Silicone O-Ring TM

VMQ • High temperature
-60°C to +230°C

DEV Brand EPDM O-Ring TM

EPDM Full; Steam & weather proof
-50°C to +150°C

DEV Brand PTFE O-Ring TM

PTFE • Extreme chemical grade
-200°C to +260°C

DEV Brand Custom O-Ring TM

Any compound • Made-to-spec
Prototype & bulk orders

Technical Specifications

DEV Brand O-Ring TM — Standard Range
StandardsAS568, ISO 3601, DIN 3771, JIS B2401
Bore Range (ID)0.5 mm – 400 mm
Cross-section0.7 mm – 10 mm
Hardness40 – 90 Shore A
ToleranceISO 3601 Grade N & S
Colour codingCompound-specific (industry standard)
Applications
Hydraulic & PneumaticCylinders, valves, pumps
AutomotiveEngine, fuel systems, gearbox
PharmaceuticalFDA-compliant compounds available
Chemical PlantsAggressive media resistance
Food & BeverageNSF/WRAS approved grades
Oil & GasNORSOK M-710 qualified grades

Why Choose DEV Brand TM?

In-House Manufactured

Every DEV Brand O-Ring is manufactured under strict quality control by Dev Impex, ensuring consistency and traceability across every batch.

Trademarked Identity

The DEV Brand TM is a registered trademark of Dev Impex — a symbol of authentic Indian industrial manufacturing excellence since 1994.

Pan-India Supply

Stocked at our Mumbai headquarters and 5 branch locations — fast delivery, OEM pricing, and flexible MOQ for all industry segments.

Request a Quote or Sample

Tell us your size, compound, and quantity — we respond within 24 hours.

Contact Us for Pricing