Cixi Poolke Hydraulic Pneumatic Co., Ltd. is one of the leading manufacturers and suppliers of kis fb hydraulic quick couplings in China. We are committed to providing high quality customized service to global clients. Please feel free to wholesale the newest kis fb hydraulic quick couplings from our factory.
High Pressure Hydraulic Quick Couplings – KIS-FB Series
The KIS FB Hydraulic Quick Couplings from the POOLKE KIS-FB Series are designed for high-pressure hydraulic applications requiring secure locking, reliable sealing and convenient operation. Featuring a heavy-duty wing nut locking structure, this series provides strong mechanical engagement between coupling and nipple, ensuring stable connection performance in demanding hydraulic environments.
The KIS-FB Series adopts a flush-faced poppet valve design and precision-machined brass components to achieve excellent sealing performance and durability. With the capability of connection under pressure and reduced fluid loss during disconnection, the KIS FB Hydraulic Quick Couplings provide a reliable solution for construction equipment, industrial machinery and hydraulic systems requiring frequent connection and high-pressure operation.
Key Features
High Pressure Hydraulic Performance
Designed for demanding hydraulic applications, the heavy-duty valve assembly supports reliable connection performance under high-pressure operating conditions.
Heavy-Duty Wing Nut Locking Design
The robust wing nut structure provides secure mechanical locking and helps maintain connection stability under vibration and pressure fluctuations.
Connection Under Pressure Capability
The heavy-duty poppet assembly with bonded valve seals allows connection under pressure in suitable hydraulic applications, improving operation efficiency.
Flush Face Poppet Valve Design
The flat valve surface minimizes air inclusion during connection, reduces fluid loss during disconnection and allows easier cleaning and maintenance.
Durable Precision Machined Construction
The coupling and nipple are precision machined from solid brass bar stock to ensure consistent quality, strength and long service life.
Reliable Sealing Performance
The bonded valve seal design provides stable sealing performance and helps maintain hydraulic system reliability during operation.
Applications
The KIS FB Hydraulic Quick Couplings are suitable for:
- High pressure hydraulic systems
- Construction machinery
- Heavy-duty hydraulic equipment
- Hydraulic power units
- Industrial machinery
- Mobile hydraulic applications

Technical Overview
| Series | KIS-FB | Connection Type | Threaded Connection |
| Type | Wing Nut Type Hydraulic Quick Coupling | Seal Material | NBR |
| Locking Type | Wing Nut Thread Locking | Size Range | 3/4" – 2" |
| Valve Type | Flush Face Poppet Valve | Temperature Range | -20°C to +100°C (depending on seal material) |
| Material | Brass |
Interchangeability
Cross-reference examples include:
- Parker 5100 Series Type
- Aeroquip 5100 Series Type
- Snap-tite 78 Series Type
- Faster FB Series Type

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