Cixi Poolke Hydraulic Pneumatic Co., Ltd. is one of the leading manufacturers and suppliers of md hydraulic quick couplings in China. We are committed to providing high quality customized service to global clients. Please feel free to wholesale the newest md hydraulic quick couplings from our factory.
MD Hydraulic Quick Couplings – KIS-MD Series
The MD Hydraulic Quick Couplings from the POOLKE KIS-MD Series are designed for reliable fluid connection in industrial hydraulic systems requiring secure connection, durable performance and flexible valve configurations. Featuring a triangle poppet valve design, this series provides stable sealing performance and allows different nipple configurations according to application requirements.
The KIS-MD Series is manufactured with precision-machined components and hardened critical parts to improve wear resistance and service life. With a robust construction and reliable hydraulic performance, the MD Hydraulic Quick Couplings are suitable for industrial equipment, hydraulic machinery and applications requiring dependable connection and long-term operation.
Key Features
Triangle Poppet Valve Design
The triangle poppet valve structure provides reliable sealing performance and supports different open or closed nipple configurations.
Durable Hardened Components
Critical parts are induction hardened to improve resistance against wear, mechanical impact and repeated connection cycles.
Reliable Hydraulic Sealing
The optimized valve structure helps maintain stable sealing performance and reduces the risk of leakage during operation.
Precision Machined Construction
The coupling and nipple are precision machined from solid bar stock to ensure consistent quality and long service life.
Flexible Connection Options
Available with different connection configurations to meet various hydraulic equipment installation requirements.
Industrial Grade Performance
Designed for demanding hydraulic applications where reliability, durability and stable operation are required.
Applications
The MD Hydraulic Quick Couplings are suitable for:
- Industrial hydraulic systems
- Hydraulic equipment
- Automation machinery
- Hydraulic power units
- Mechanical equipment
- General hydraulic applications

Technical Overview
| Series | KIS-MD | Material | Steel |
| Type | Hydraulic Quick Coupling | Nipple Material | Hardened Steel |
| Valve Type | Triangle Poppet Valve | Seal Material | NBR |
| Locking Type | Ball Locking | Temperature Range | -20°C to +100°C (depending on seal material) |
| Connection Type | Threaded Connection |
Interchangeability
Cross-reference examples include:
- Walther MD Series Type

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