SWG90 Gear Pump Casappa

2 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

3 year

Product details

KP series

The high-strength cast iron material shell has a strong bearingcapacity

High performance at ultra-low speeds

Metric involute splines can be selected for the input couplingconnection form

It is suitable for different positions of the port connection formReliable shaft seal form to ensure no leakage of the produc

1. Product Name & Brand Translation

• Chinese Name: SWG90齿轮泵（凯斯帕KP30.29-A8S9型号）

• English Name:

SWG90 Gear Pump (Casappa Model KP30.29-A8S9)

(SWG90= Pump model;KP30.29-A8S9= Casappa’s specific product code)

2. Technical Parameters & Structural Analysis

Key Specifications of Casappa KP30.29-A8S9 Gear Pump

【表格】

Parameter Description

Model KP30.29-A8S9

Series Casappa KP Series (High-pressure gear pumps for construction machinery)

Displacement 30.29 cm³/rev (Volume per revolution, determines flow rate)

Rated Pressure 280 bar (Maximum continuous operating pressure)

Peak Pressure 300 bar (Short-term allowable pressure)

Speed Range 600–3000 RPM (Matches engine RPM)

Port Type SAE A8 (Hydraulic port standard, requires compatible piping)

Rotation Bi-directional (A8S9 may indicate rotation direction or seal type)

Weight Approx. 12 kg (Reference value; actual weight may vary)

SWG90 Context Explanation

• SWG90 Meaning:

• May refer to Sunward’s internal pump assembly model, integrating Casappa’s KP30.29 pump with valves/motors.

• Could indicate a system with a total displacement of 90 cm³/rev (e.g., three KP30.29 pumps in parallel).

3. Applications & Compatibility

• Typical Uses:

• Hydraulic system main pump for Sunward mini-excavators (e.g., SW90DR).

• Steering or working device oil supply for forklifts, road rollers, etc.

• Compatible Equipment:

• Engine power: Supports 3000 RPM (e.g., 40–60kW diesel engines).

• System flow: 30.29 cm³/rev × 2000 RPM ≈ 60.58 L/min (theoretical flow).

4. Industry Terminology & Standards

• SAE A8 Port:

• Defined by the Society of Automotive Engineers (SAE), specifying hydraulic port dimensions and thread standards.

• A8 corresponds to metric M22×1.5 or imperial 7/8"-14UNF threads.

• Bi-directional Pump:

• Can reverse oil suction/discharge direction by changing rotation, suitable for systems requiring forward/reverse motion.

5. Procurement & Documentation Examples

RFQ Email Subject

"Request for Quotation: Casappa KP30.29-A8S9 Gear Pump for Sunward SWG90 Hydraulic System"

(Request for quote: Casappa KP30.29-A8S9 gear pump for Sunward SWG90 hydraulic system)

Technical Document Excerpt

"The Sunward SWG90 hydraulic unit integrates a Casappa KP30.29-A8S9 gear pump, rated for 280 bar continuous operation and compatible with SAE A8 hydraulic lines."

(The Sunward SWG90 hydraulic unit uses a Casappa KP30.29-A8S9 gear pump, rated for 280 bar continuous pressure and SAE A8 piping compatibility.)

6. Maintenance & Troubleshooting Tips

• Common Issues:

• Leakage: Check SAE A8 port O-rings (e.g., ISO 3601-22×2.4).

• Noise: Worn gears or bearing failure; measure clearance (standard ≤0.05mm).

• Low Pressure: Clogged filter (recommended 25μm filtration) or internal leakage.

• Recommended Spare Parts:

• Casappa original seal kit (Part No. KP-SEAL-30).

• Sunward custom valve block (e.g., SWG90-VALVE).

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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