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.
- 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.
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.
Contact the team