+91 89202 02718 sales@tradepurcompany.com

Hydraulics, seals, filters, lubricants & fasteners

Hydraulic hoses and fittings, oil seals and O-rings, hydraulic and air filters, industrial lubricants, high-tensile fasteners and pressure gauges for plant maintenance. Send the model or part number, or the specification, and we'll quote what's available with origin and lead time stated.

Brands on this page: Parker, Gates, Polyhose, Trelleborg, Fenner, Donaldson, HYDAC, Castrol, Unbrako, TVS, WIKA.

Hydraulic hoses & fittings

3 brands we source for Hydraulic hoses & fittings, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
Parker (Parker Hannifin)
Hydraulic hoses and fittings
––
Gates
Hydraulic hoses and couplings
––
Polyhose
Performance elastomer and polymer hosesFluid connectors
––

When ordering, tell us

  • Hose standard and type: EN 853 1SN/2SN (wire braided), EN 856 4SP/4SH (spiral), EN 857 1SC/2SC (compact), SAE J517 100R1/100R2
  • Inside diameter (DN or dash size, e.g. -08 = 1/2 in)
  • Working pressure (bar) and temperature range
  • Assembly length and end fittings: BSP, JIC, ORFS, metric; straight, 45 or 90 degree
  • Fluid: mineral hydraulic oil, water-glycol, biodegradable
  • Crimp or reusable fittings; protective sleeve if needed

Relevant standards

  • EN 853 - Rubber hoses: hydraulic, wire braid reinforced (1SN, 2SN)
  • EN 856 - Rubber hoses: hydraulic, wire spiral reinforced (4SP, 4SH, R12, R13)
  • EN 857 - Rubber hoses: hydraulic, compact wire braid (1SC, 2SC)
  • SAE J517 - Hydraulic hose (100R series)
  • ISO 18752 - Rubber hoses for hydraulic applications, pressure-class based

Seals & O-rings

2 brands we source for Seals & O-rings, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
Trelleborg (Trelleborg Sealing Solutions)
Hydraulic rod and piston sealsO-rings
––
Fenner (JK Fenner)
Oil seals
––

When ordering, tell us

  • Seal type: rotary shaft oil seal, O-ring, hydraulic rod/piston seal, wiper, V-ring
  • Size: shaft x housing bore x width in mm for oil seals; ID x cross-section for O-rings (or AS568 dash number)
  • Lip design: single lip, with dust lip, spring-loaded
  • Material: NBR, FKM (Viton), HNBR, silicone, EPDM, PTFE
  • Operating temperature, pressure and fluid
  • Quantity and preferred make

Relevant standards

  • ISO 3601 - O-rings: dimensions and tolerances
  • SAE AS568 - Inch-size O-ring dash numbers
  • ISO 6194 - Rotary shaft lip-type seals

Filters

2 brands we source for Filters, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
Donaldson
Engine and hydraulic filtersDust collectorsCompressed air filtration
––
HYDAC
Hydraulic filters and elements
––

When ordering, tell us

  • Filter type: hydraulic return, pressure or suction; compressed air; engine; dust collector cartridge
  • Original element part number (make and number) for cross-reference
  • Filtration rating in micron and beta ratio
  • Flow rate, working pressure and connection size
  • Media: cellulose, glass fibre, stainless mesh; bypass or indicator required
  • Fluid type and target cleanliness code

Relevant standards

  • ISO 16889 - Hydraulic filters: multi-pass method for filtration performance
  • ISO 4406 - Hydraulic fluid cleanliness code
  • ISO 8573-1 - Compressed air purity classes

Lubricants

1 brands we source for Lubricants, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
Castrol
Castrol Hyspin AWSCastrol Alpha SPCastrol Spheerol
–Castrol Hyspin AWS 68

When ordering, tell us

  • Product type: hydraulic oil, gear oil, grease, compressor oil, turbine oil, slideway oil, spindle oil
  • Viscosity grade: ISO VG 32/46/68 for hydraulic oils; ISO VG 150 to 680 for gear oils
  • Grease NLGI grade (e.g. NLGI 2), thickener (lithium, lithium complex) and EP additive
  • Brand and exact series name, or specification to meet (e.g. DIN 51524-2 HLP)
  • Pack size: 1 L, 5 L, 20 L, 50 L, 210 L barrel; grease 0.5 kg to 180 kg

Relevant standards

  • ISO 3448 - Industrial liquid lubricants: ISO viscosity classification
  • DIN 51524-2 - Hydraulic oils HLP
  • ISO 11158 - Hydraulic fluids (HM, HV families)
  • DIN 51517-3 - Gear oils CLP
  • NLGI consistency grades (ASTM D217 cone penetration)

Industrial fasteners

2 brands we source for Industrial fasteners, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
Unbrako
Socket head cap screwsHex bolts, nuts, washers and pins
–M12 x 50 DIN 912 12.9
TVS (Sundram Fasteners) (Sundram Fasteners)
High tensile fasteners
––

When ordering, tell us

  • Fastener type and standard: socket head cap screw (DIN 912 / ISO 4762), hex bolt (DIN 931/933, ISO 4014/4017), nut, washer, stud
  • Thread size and pitch (e.g. M12 x 1.75) and length in mm
  • Property class: 8.8, 10.9 or 12.9 for bolts; 8, 10, 12 for nuts
  • Material and finish: alloy steel black, zinc plated, hot dip galvanised, stainless A2/A4
  • Quantity and packing; test certificate if required

Relevant standards

  • ISO 898-1 - Mechanical properties of bolts, screws and studs (property classes)
  • IS 1367 (Part 3) - Mechanical properties of bolts, screws and studs
  • ISO 4762 / DIN 912 / IS 2269 - Hexagon socket head cap screws
  • ISO 4017 / DIN 933 - Hexagon head screws, fully threaded
  • IS 1364 - Hexagon head bolts, screws and nuts

Gauges

1 brands we source for Gauges, with their current series and an example model number.

BrandCurrent seriesOlder series → replacementExample model / part no.
WIKA
Model 213.53Models 232.50 / 233.50
–233.50

When ordering, tell us

  • Gauge type: Bourdon tube pressure, vacuum, compound, differential or temperature gauge
  • Dial size: 63, 100 or 150/160 mm
  • Range (e.g. 0-10 bar, 0-16 kg/cm2, -1 to 0 bar) and units
  • Accuracy class (e.g. 1.0, 1.6)
  • Connection: bottom or back, 1/4 in or 1/2 in BSP/NPT; mounting (stem, panel, surface)
  • Case and wetted parts: brass/copper alloy or stainless steel; glycerine filled for vibration
  • Accessories: siphon, snubber, gauge cock or diaphragm seal

Relevant standards

  • EN 837-1 - Bourdon tube pressure gauges
  • ASME B40.100 - Pressure gauges and gauge attachments
  • IS 3624 - Pressure and vacuum gauges

How to order

01

Send the model or part no.

Type it from the label or nameplate, or send a clear photo on WhatsApp. Add the quantity and delivery location.

02

We check availability

We confirm the exact model, origin and lead time. If a model is discontinued, we tell you the maker's replacement.

03

You get a GST quote

One written quote with price, lead time and warranty terms, so you can decide before ordering.

04

Delivered to your site

Delivered across Delhi NCR, or dispatched to you, with a GST invoice.

About the brands on this page. Tradepur Company is an independent trading company, not an authorised distributor of the brands listed. Brand and product names are trademarks of their owners and are used only to identify the products we can source. Origin, condition, warranty terms and lead time are stated on every quote. Series notes are a guide; the exact specification is confirmed on the quote.

Frequently asked questions

Usually, yes. This page lists the brands buyers ask for most, not everything we can source. Send the brand and model number and we'll check.

Yes. We look for remaining stock of the original item and also quote the maker's replacement where there is one, so you can compare.

The model or part number from the label, or the specification listed under 'When ordering, tell us', plus the quantity and delivery location.

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