33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
Home / Products / Hydraulic Pump / Danfoss
Product Overview
This heavy-duty repair seal kit is engineered for Sauer Danfoss 90-series PV90R250 and PV90L250 250cc hydraulic piston pumps. It includes all essential shaft seals, O-rings, gaskets and backup rings for full pump overhaul.
Made of imported high-quality NBR and FKM fluororubber, the kit features exceptional oil resistance, temperature resistance and wear resistance. It perfectly replaces original Danfoss seals, solves severe leakage and pressure drop issues, and extends pump service life under extreme heavy-duty and continuous operation.
Product Display
Product Specifications
Item |
Detailed Parameter |
Product Name |
Danfoss 90R250 Hydraulic Pump Seal Kit |
Applicable Model |
PV90R250 / PV90L250 (250cc Displacement) |
Compatible Series |
Sauer Danfoss 90 Series Piston Pump |
Main Material |
Imported NBR / FKM Fluororubber + Reinforced Backup Ring |
Max Working Pressure |
42MPa |
Working Temperature |
-30°C ~ 120°C |
Kit Contents |
Shaft seal, O-rings, gaskets, backup rings, full overhaul parts |
Cross Reference OEM No. |
9775, 507940 |
Net Weight |
Approximately 1.8kg |
Applicable System |
Closed-loop hydraulic piston pump system |
Warranty |
12 Months |
Key Selling Points
1. 100% Exact OEM Replacement.Fully compatible with original Sauer Danfoss 90R250 / 90L250 piston pumps. Matches OEM part numbers 9775 and 507940. No modification required for direct installation.
2. Premium Imported Sealing Material.Core sealing parts adopt high-performance FKM rubber and reinforced backup rings. The material is oil-proof, corrosion-resistant and aging-resistant, working stably in extreme temperatures from -30°C to 120°C.
3. Zero Leakage & Ultra-High Pressure Resistance.All components are strictly tested under 42MPa ultra-high pressure. It eliminates internal and external oil leakage, maintaining stable hydraulic pressure and consistent machine power output even under extreme loads.
4. Complete All-in-One Heavy-Duty Repair Kit.Covers all sealing accessories needed for full pump maintenance. Complete parts reduce repair time and lower equipment operation costs for heavy machinery.
5. Strict Factory Quality Control.Every seal kit passes air tightness, high pressure and aging tests before delivery. It meets OEM standards and ensures reliable long-term performance for heavy-duty industrial applications.
6.Application Scope.Suitable for Danfoss 90R250 hydraulic pumps on various heavy-duty equipment:
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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