boutique Vente chaude Sauer JRRS45 JRRS51 JRRS60 JRRS75 série JRRS45BPC28NNNN3C2NZA2NFFFJJJNNN Danfoss pompes à piston à circuit ouvert hydraulique

T1: What are the core performance parameters of the Sauer JRRS series (JRRS45/JRRS51/JRRS60/JRRS75) open circuit piston pumps?

1. Déplacement: JRRS45 (45 cm³/r), JRRS51 (51 cm³/r), JRRS60 (60 cm³/r), JRRS75 (75 cm³/r)
2. Pression nominale: Pression de travail continue jusqu'à 310 bar (4495 psi); pression de pointe 400 bar (5800 psi)
3. Plage de vitesse: Minimum stable speed 500 RPM; vitesse maximale 2800-3360 RPM (varie selon le modèle)
4. Flux théorique: Jusqu'à 126 L/min (JRRS45) à 180 L/min (JRRS75) at nominal speed
5. Poids: Environ 40 kg per unit (poids net) .

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T2: What structural features define the JRRS series hydraulic pumps?

1. Design Type: Axial piston variable displacement structure with 9 reciprocating pistons and a servo-controlled swashplate
2. Matériel & Durabilité: Polymer-coated smooth bearings for the swashplate; high-strength alloy pump body with wear-resistant internal components
3. Installation Flexibility: Standard SAE B/C flange connections (2/4 boulons) and multiple shaft options, enabling easy integration with diverse machinery .

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T3: Which application fields and equipment are these pumps suitable for?

1. Core Machinery: Construction equipment (excavatrices, pavés, rollers, bulldozers), machines industrielles (équipement métallurgique, stations hydrauliques), and concrete pumps/mixers
2. Compatibilité du système: Optimized for open-circuit hydraulic systems; supports multi-circuit power transmission for complex machinery operations.

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T4: What control modes and customization options are available for the JRRS series?

1. Standard Controls: Pressure-compensated control and load-sensing control (spécifique au modèle: par ex., “PC” control code for JRRS45BPC28…)
2. Displacement Adjustment: Equipped with an adjustable displacement limiter (FFF code) pour 0-100% flow regulation
3. Optional Features: Customizable pressure settings (par ex., 250 bar preset for some models), configurations d'arbre, and mounting orientations.

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Q5: What after-sales support and delivery terms apply to these pumps?

1. Garantie: 1-year manufacturer’s warranty for defects (covers parts and labor)
2. Services: Online technical consultation, maintenance guidance, and quick supply of repair kits
3. Conditionnement & Livraison: Export-standard wooden box packaging; lead time 15-30 jours (stock availability reduces delivery to 7-10 jours)
4. Payment Terms: Flexible options (L/C, T / t, Western union) with MOQ of 1 unité.

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Q6: How does the JRRS45BPC28NNNNN3C2NZA2NFFFJJJNNN model differ from other JRRS variants?

• “PC”: Pressure-compensated control mode
• “28”: Preset pressure setting (280 bar)
• “FFF”: Adjustable full-range displacement limiter
• “C2NV”: Shaft type and seal configuration for harsh working environments
• Compatibilité: Direct interchangeable with Sauer Danfoss original models (par ex., numéro de pièce 83047580).