Hydraulic Oils — Hyspin AWH, HVI, ZZ Ranges

Anti-wear, detergent, high-VI and zinc-free hydraulic oils for every hydraulic system — from injection-moulding presses to mobile-equipment fleets.

Quick Answer

Castrol Hyspin AWS (anti-wear), Hyspin AWH Superclean (high-VI), Heavyduty, VG and ZZ series cover industrial hydraulic systems from gear pumps and piston pumps through proportional and servo-valve applications. We supply ISO VG 22, 32, 46, 68 and 100 grades for Indian industrial conditions where ambient temperatures and humidity demand higher viscosity index than European specs assume. Authorised Castrol distributor (Andhra Pradesh) — delivery across AP and Telangana, special-order to Karnataka and Tamil Nadu, with cleanliness-spec advisory through our CoolantCare service. For servo and proportional systems, cleanliness matters as much as the grade - see our ISO 4406 cleanliness guide.

Product Range

Hyspin AWS 32 / 46 / 68

Anti-wear (HLP)

DIN 51524-2 HLP anti-wear hydraulic oil — the industrial workhorse.

Hyspin AWH 46 / 68 Superclean

High-VI anti-wear (HLP, VI 150)

High-viscosity-index HLP (VI 150) for wide temperature swings and cold starts.

Hyspin Heavyduty 32 / 46 / 68

Premium anti-wear (HLP)

Premium HLP anti-wear oil for sustained heavy loads and severe hydraulic duty.

Hyspin ZZ 46

Zinc-free anti-wear

Ashless zinc-free oil for electronic-solenoid sensitive systems.

Hyspin VG 32 / 46 / 68

R&O (rust & oxidation)

R&O hydraulic oils for systems specifying rust-and-oxidation grades without anti-wear additives.

Typical Applications

Injection-moulding and die-casting presses
CNC hydraulic power packs
Mobile construction and agricultural equipment
Marine deck hydraulics
Hydraulic test rigs

Why buy from Vasundhara Specialities

As the authorised Castrol industrial distributor for Andhra Pradesh, every drum and pail we supply is sourced directly from Castrol India’s Silvassa, Paharpur and Patalganga plants with full batch traceability. Our Bhimavaram warehouse stocks the complete hydraulic oils range for scheduled dispatch across AP, and on-site support is available for application trials, coolant sampling, and training. Paired with our CoolantCare fluid management programme, you get not just a supplier but a lubrication partner committed to lowering your total cost of lubrication.

Frequently Asked Questions

HLP vs HVLP — when do I need high-VI?

Stay on standard HLP (Hyspin AWS) when equipment operates in a temperature-controlled plant. Move to the high-VI Hyspin AWH Superclean (VI 150) for mobile equipment, outdoor installations, or systems that see cold-starts below 5°C.

Does zinc in conventional HLP damage modern servo valves?

Not inherently, but some high-precision servo-proportional valves specify ashless (zinc-free) oil to avoid zinc-dithiophosphate deposits on fine-tolerance lands. Check the OEM spec; if zinc-free is required, use Hyspin ZZ.

What is the ideal ISO VG for a typical plastic-injection-moulding press in AP?

ISO VG 46 is the default for AP's year-round ambient (25–40°C). VG 68 for machines running >45°C oil temperature; VG 32 for cold-start mobile equipment.

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