Machined SealsMachined Seals
CNC-machined custom seals. No tooling cost, no MOQ.
One of our flagship capabilities: precision CNC-machined sealing solutions for the most demanding applications, with no tooling cost and no minimum order requirement.
PRECISION SEALING SOLUTIONS
India's Most Trusted Hydraulic & Pneumatic Seal Manufacturer
ISO 9001:2015 certified manufacturer of hydraulic seals, pneumatic seals, oil seals, O-rings, PU products and custom moulded rubber components.
ONE HOUR SEAL FACTORY
Custom Machined Seals Up to 1500mm OD
CNC-machined custom seals with 500+ profiles. No tooling cost, no minimum order. Large diameter and TBM seals up to 7500mm.
ELASTOMER ENGINEERING
O-Rings in Every Material
NBR, Viton, Silicone and EPDM O-rings, X-rings, V-rings, backup rings and O-ring cord (standard and non-standard sizes).
SISTER COMPANY OF CROWN RUBBER WORKS
Moulded Rubber & Polyurethane Products
Custom moulded rubber parts, gaskets, diaphragms and a complete polyurethane range for industrial, mining and material-handling applications.
ISO 9001:2015Quality Certified
IEC RegisteredExport Ready
500+ ProductsFull Sealing Range
Crown Rubber WorksSister Company
WHO WE ARE
Precision Sealing Solutions from the Crown Rubber Works Family
CR Rubber and Seals Private Limited is the sister company of Crown Rubber Works, one of India's most trusted names in rubber and PU sealing since 1995. Sharing the same manufacturing facility at Pawane MIDC, Navi Mumbai, the same product range, and the same team of experts, CR Rubber and Seals Pvt. Ltd. carries forward this legacy under a distinct private limited identity with its own ISO 9001:2015 certification, IEC registration, and GST registration.
CR Rubber and Seals Pvt. Ltd. combines the group's deep industry expertise with compression moulding, CNC precision manufacturing, in-house R&D, and global sourcing partnerships from Austria, Taiwan, Turkey, Italy and Singapore.
Same Legacy. New Identity.
CR Rubber and Seals Pvt. Ltd. carries forward the Crown Rubber Works legacy with its own certifications and registrations.
- Founded Legacy
- 1995
- ISO Certificate
- CCPL/QMS/D1131
- IEC Code
- AAMCC7518G
- GSTIN
- 27AAMCC7518G1ZF
WHY CR RUBBER AND SEALS
Engineered Advantages
CNC Manufacturing
Precision seal machining up to 1500mm OD using advanced CNC technology.
One Hour Seal Factory
Custom machined seals — 500+ profiles, no tooling cost, no minimum order.
In-House R&D
Custom compound development for unique industrial requirements.
Global Reach
Exporting across USA, Europe, Middle East and Asia.
PRODUCT RANGE
Our Complete Industrial Rubber Product Range
From standard O-rings to custom TBM seals up to 7500mm — 500+ products across 8 major sealing categories.
Machined Seals
Seal KitsSeal Kits
OEM-interchangeable kits for construction, mining & excavation.
Complete seal kits directly interchangeable with OEM components for all major construction, mining and excavation equipment brands, ensuring fast maintenance turnaround on site.
O-RingsO-Rings
Any elastomer, any size. Standard and non-standard.
O-rings in any elastomeric material to any customer specification. Standard and non-standard sizes, in all major ring profiles for static and dynamic sealing applications.
Hydraulic SealsHydraulic Seals
50+ profiles, pressures up to 700 bar.
Our hydraulic seals cover every position in a hydraulic cylinder (piston, rod, wiper and guide). Available in 50+ standard profiles across all materials and pressures up to 700 bar.
Pneumatic SealsPneumatic Seals
Rotary shaft oil seals, fabric oil seals & V-rings.
Covers rotary shaft oil seals, fabric oil seals and V-rings for high-speed, contamination-sensitive and heavy-duty rotating shaft applications across all industries.
Moulded RubberMoulded Rubber Parts
Custom compression-moulded components to exact spec.
With in-house rubber compounding and CNC mould manufacturing, we produce custom moulded rubber components to exact client specifications from simple gaskets to complex multi-insert mouldings.
INDUSTRIES WE SERVE
Trusted Across 12+ Industrial Sectors — Pan India & Global
Our sealing solutions power operations in India's most demanding environments — from underground mines to offshore oil rigs.
Hydraulic Industry
Construction & Earthmoving
Mining Industry
Oil & Gas Industry
Power Plants
Ship Building & Railway
Agriculture Industry
Steel Plants
Pharmaceutical
Cement Plants
Food & Beverages
Chemical Processing
CERTIFIED & COMPLIANT
Certifications & Registrations
ISO 9001:2015 CERTIFIED
- Certificate No
- CCPL/QMS/D1131
- Valid until
- 21 May 2029
- Scope
- Hydraulic, pneumatic seals, oil seals, PU products & moulded rubber products
IEC REGISTERED
- IEC No
- AAMCC7518G
- Issued
- 14 January 2026
- Authority
- DGFT, Government of India
GST REGISTERED
- GSTIN
- 27AAMCC7518G1ZF
- Registered since
- 2 June 2025
- Jurisdiction
- Mumbai, Maharashtra
Need a Custom Seal or Quick Quote? We Respond in Hours, Not Days.
With our One Hour Seal Factory, we can machine custom seals up to 1500mm OD — no tooling cost, no minimum order. Call or WhatsApp us now.