Specification	Description
Product Name	Hydrocone Packing Seal (Chevron Packing Seal or V-Ring), equivalent to Part No. 873.0892-00, manufactured by Novincsm (compatible with Delta / Sandvik crushers)
Material & Composition	Nitrile Rubber (NBR, hardness 70–90 Shore A) or Polyurethane (PU for extended durability); oil-resistant compound with carbon black filler; typical durometer 70–80
Hardness	70–90 Shore A (standard NBR); PU: 80–90 Shore A for enhanced compressive resistance
Operating Temperature	−30 to +120 °C (NBR); up to +150 °C (PU); continuous operation: −20 to +100 °C
Dimensions	Inner Diameter: 300–500 mm (for 36-inch Hydrocone); Outer Diameter: 320–520 mm; Thickness: 10–25 mm; V-ring cross-section: 5–15 mm
Approx. Weight	0.5–2.5 kg per set (size-dependent); NBR density approx. 1.2 g/cm³
Compressive Strength	15–25 MPa (NBR); Elongation at break: 300–500%
Compression Set	<20% at 70 °C (22 hours); low permanent deformation for long-term sealing integrity
Color & Finish	Black (standard NBR), smooth surface; optional green or brown (PU)
Application Method	Press-fit installation into Hydrocone frame; silicone oil lubrication recommended during installation
Surface & Tolerances	Surface roughness: Ra 1.6–3.2 µm; dimensional tolerance: ±0.1 mm (ID/OD); rated pressure: up to 15 bar
Abrasion Resistance	Excellent (NBR: Taber abrasion loss <100 mg); suitable for oil sealing in mining environments
Thermal Resistance	Reliable up to 120 °C (NBR); heat-resistant grades available (optional UL 94 V-0)
Manufacturing Process	Compression or injection molding; oil- and pressure-resistant formulation; custom sizes available

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Applications of Hydrocone Packing

Primary Function:
Oil and dust sealing in Hydrocone crushers to prevent contamination and leakage; maintaining hydraulic pressure in H4000 / H4800 models.

Industries:

Mining operations in Kenya (granite crushing)
Cement plants (Nairobi / Mombasa)
Construction industry (manufactured sand production)

Types:

Oil Packing: Internal seal, made of NBR
Dust Packing: External seal, PU material for enhanced durability

Advantages of Hydrocone Packing

Complete sealing performance (zero leakage up to 15 bar), increasing crusher service life by 25–35% through reduced dust ingress
Cost-effective solution (approx. 300,000 IRR compared to OEM parts at 600,000+ IRR)
Compatible with Novin / Delta / Sandvik crusher models commonly used in the Kenyan market
Easy installation (press-fit design, replacement in ~15 minutes)
Low compression set, ensuring long-term and stable sealing performance

Disadvantages of Hydrocone Packing

NBR temperature limitation up to 120 °C
(For high-temperature mining environments in Kenya, PU material is recommended)
Sensitivity to certain chemicals
(avoid aggressive petroleum-based oils)
Custom sizes may require 2–4 weeks lead time for shipment from Iran to Mombasa