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High Pressure Hydraulic Quick Couplings – KIS-RX Series
The KIS RX Quick Couplings from the POOLKE KIS-RX Series are designed for high-pressure hydraulic applications requiring secure connection, excellent sealing performance and reliable operation under demanding conditions. Featuring a screw locking structure, this series provides strong mechanical engagement between the coupling and nipple, helping prevent accidental disconnection caused by vibration, pressure impact and mechanical shock.
The KIS-RX Series adopts a heavy-duty design with nickel-plated steel construction and precision-machined components to ensure durability and long service life. With the capability of connecting under pressure and optional PTFE backup ring support, the KIS RX Quick Couplings provide a dependable solution for construction equipment, industrial machinery and high-pressure hydraulic systems where safety and performance are essential.
Key Features
High Pressure Hydraulic Performance
Designed for high-pressure hydraulic applications, the screw locking structure provides a secure connection and stable performance under demanding operating conditions.
Screw Locking Mechanism
The threaded locking design creates a strong mechanical connection between coupling and nipple, improving resistance against vibration and accidental disconnection.
Connect Under Pressure Capability
The KIS-RX Series allows connection under pressure in suitable hydraulic applications, improving equipment operation efficiency and maintenance convenience.
Heavy-Duty Steel Construction
Manufactured from nickel-plated steel with precision-machined components to provide excellent strength, wear resistance and extended service life.
PTFE Backup Ring Support
An optional PTFE backup ring improves sealing stability and helps prevent seal extrusion in high-pressure hydraulic environments.
Flexible Metric Connection Options
Available with various metric thread sizes and connection configurations to meet different hydraulic equipment installation requirements.
Applications
The KIS RX Quick Couplings are suitable for:
- High pressure hydraulic systems
- Construction machinery
- Hydraulic cylinders
- Heavy-duty industrial equipment
- Mobile hydraulic equipment
- Engineering machinery
Technical Overview
| Series | KIS-RX | Nipple Material | Hardened Nickel Plated Steel |
| Type | High Pressure Screw Type Hydraulic Quick Coupling | Seal Material | NBR |
| Locking Type | Threaded Locking | Connection Type | Metric Thread Connection |
| Valve Type | Poppet Valve | Temperature Range | -20°C to +100°C (depending on seal material) |
| Material | Nickel Plated Steel |
Interchangeability
Cross-reference examples include:
- Nitto HSP Series Type
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