Blue Giant PT-50 PT-55 Hydraulic Seal Kit
805-603-STD
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Compatibility
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Product Description
Precision hydraulic seal kit for Blue Giant PT-50 and PT-55 manual pallet jack hydraulic units. Compatible with OEM part number 805-603-STD and cross-reference numbers BG805603, BG 805-603-SUPER. Nitrile seals rated to 3000 PSI; suitable for ISO VG 32/46 hydraulic fluid. Includes piston seal, gland seal, quad ring, seat, snap ring, and retainer components engineered for tight fit (+0.005"/-0.000"). Application: Blue Giant manual pallet jack hydraulic cylinder maintenance and overhaul.
"Specifications
Part Numbers & Compatibility
| Make | Blue Giant |
| Model | PT-50, PT-55 |
| Fluid Compatibility | Mineral oil hydraulic fluid ISO VG 32/46 |
| Part Number | 805-603-STD |
| Manufacturer Part Number | BG805603 |
| Equivalent Part Numbers | BG 805-603-STD, BG 805-603-SUPER |
| Application | Blue Giant manual pallet jack hydraulic cylinder maintenance and overhaul |
Performance Specifications
| Pressure Rating | 3000 PSI |
Additional Specifications
| Seal Material | Nitrile (NBR) elastomer |
| Components Included | Piston seal, gland seal, quad ring, seat, snap ring, and retainer components |
| Tolerance | +0.005"/-0.000" |
Frequently Asked Questions
Q: What equipment does the 805-603-STD fit?
A: The 805-603-STD is designed for Blue Giant PT-50 and PT-55 manual pallet jack hydraulic units. Cross-reference part numbers include BG805603 and BG 805-603-SUPER.
Q: What material is the 805-603-STD made from?
A: The 805-603-STD uses nitrile (NBR) elastomer seals, which provide excellent chemical resistance to mineral oil hydraulic fluids and maintain flexibility across typical warehouse temperature ranges.
Q: What hydraulic fluid is compatible with the 805-603-STD?
A: The 805-603-STD is compatible with mineral oil hydraulic fluid meeting ISO VG 32 or ISO VG 46 specifications. Do not substitute with non-mineral fluids as they will damage the nitrile seals.
Q: What are the signs that indicate I need to replace the 805-603-STD?
A: Replace the 805-603-STD when the hydraulic cylinder shows signs of external leakage, reduced lift speed, or inability to hold load. Seal degradation accelerates with age, heat, and contaminated fluid.
Q: What components are included in the 805-603-STD?
A: The 805-603-STD includes piston seal, gland seal, quad ring, seat, snap ring, and retainer components.