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Dispatched from Chennai · Telangana

Hydraulic & Pneumatic Seals Supplied to Hyderabad

Two opposite demands in one city - sterile fluid transfer on one side, abrasive heavy-section duty on the other.

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Supplying since
1991
Held ex-stock
Seals, O-rings and packings in Chennai
Brands represented
18 OEM-approved makers

The local picture

What Hyderabad runs, and what it wears out

Two very different demands sit inside the same city. The bulk drug and formulation plants at Jeedimetla, Bollaram, Patancheru and Genome Valley move fluid through tubing and pumps and seal reactors against aggressive media. The defence, aerospace and heavy engineering establishments around Balanagar and Kanchanbagh run precision hydraulics. Out towards the granite and quarry belt, rigs, breakers and crushers work cylinders about as hard as cylinders get worked.

The pharmaceutical side is a tubing and static-sealing business - silicone tube for peristaltic pumps and transfer lines, braided silicone hose where the line is pressurised or under vacuum, and FKM or PTFE O-rings on reactor and filter joints. The quarrying and construction side is the opposite: large sections, high pressure, abrasive dust, and chevron packing still in service on older rams.

Raj Trading Corporation stocks for both from Chennai. The silicone tube, braided hose and gasket ranges sit alongside the hydraulic seal catalogue, so a plant engineer sourcing for a process line and a workshop rebuilding a rock breaker raise the same enquiry with the same team.

Getting the goods to Hyderabad

Hyderabad is roughly 620 km from Chennai and orders are dispatched by surface transport from the Chennai warehouse. Raj Trading Corporation has no branch or stock point in Telangana, so tubing is best ordered by the coil or full length rather than in repeated short cuts. Give the bore, wall thickness and length required and the team will confirm what can be supplied from stock.

The counter and warehouse are at Old No. 39, New No. 81, Moore Street, George Town, Chennai 600 001, Tamil Nadu. Enquiries from Hyderabad are handled by the same Chennai team that serves the local trade.

Who this serves

Industries in Hyderabad that Raj Trading Corporation supplies

Sealing components for the equipment behind Hyderabad's industrial base - cylinders, presses, pumps and process lines that cannot afford downtime.

Bulk drug, API and formulation plants at Jeedimetla, Bollaram, Patancheru and Genome Valley

Biotech and vaccine manufacturing

Defence, aerospace and heavy engineering around Balanagar and Kanchanbagh

Granite quarrying, stone processing and crushing plant

Construction and infrastructure equipment fleets

General engineering and fabrication across Uppal, Nacharam and Medchal

Priority ranges

Seal families that matter most in Hyderabad

The split is unusually clean. Process buyers order silicone tube and braided hose by bore and wall thickness, plus FKM and PTFE O-rings selected against the medium. Quarry and construction workshops order heavy-section rod and piston seals and, on older rams, chevron packing sets that can be re-adjusted in service instead of replaced.

Silicone Tubes
Silicone Braided Hoses
O-Rings
Rod Seals
Piston Seals
Chevron Packings

From the catalogue

Profiles ordered for Hyderabad duty

Every product carries its part codes, material options and available sizes. Prices are quoted on enquiry.

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Cartridge seal with its sleeve, seal and gland plate Datasheet

Cartridge Seal

31SC

A self-contained sleeve, seal and gland plate fitted as one assembly, in single or double form, for corrosive and high temperature duty.

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Cartridge style seal for Grundfos pumps Datasheet

Grundfos Pump Seal

12GS

A replacement seal for Grundfos pumps that fits without special tools and eliminates axial movement on the shaft.

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Questions

Buying seals for Hyderabad

Questions the Chennai team is asked most often by buyers and maintenance engineers in this region.

How is silicone tubing specified for a peristaltic pump?

By inside diameter and wall thickness, not by an outside diameter alone - the wall is what the pump head compresses and what determines how the tube behaves over its life. Confirm the pump make and head size if it is known, along with the fluid and temperature, and the team will match the bore and wall from the stocked range.

Is the silicone tubing autoclavable?

Silicone tolerates repeated steam sterilisation far better than most elastomers, which is why it is the default in pharmaceutical transfer lines. The precise limits and any certification depend on the grade supplied, so state the sterilisation cycle and the plant's QA requirement in the enquiry and the team will confirm what the manufacturer's grade covers before the order.

Which O-ring material suits a reactor handling solvents?

FKM covers most solvent and acid duty at elevated temperature and is the usual starting point. Where the medium includes ketones, amines or strong bases - or the temperature is beyond what FKM tolerates - PTFE or an encapsulated construction is the alternative. Send the medium, concentration, temperature and pressure; a size on its own cannot answer the question.

What suits a rock breaker or crusher cylinder working in abrasive dust?

Heavy-section rod seals behind an aggressive scraper-type wiper, with wear rings replaced at the same interval rather than only when the gland is stripped. Where the ram has an adjustable gland, a chevron packing set is often the better answer because it can be tightened in service between rebuilds. Send the bore, rod diameter and gland depth.

Need a seal identified for a machine in Hyderabad?

Send the part code, a drawing or a photo of the worn seal with its measured dimensions. Raj Trading Corporation will confirm the profile, material and size and quote from Chennai stock.

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