Cixi Poolke Hydraulic Pneumatic Co., Ltd. is one of the leading manufacturers and suppliers of hsp hydraulic quick couplings in China. We are committed to providing high quality customized service to global clients. Please feel free to wholesale the newest hsp hydraulic quick couplings from our factory.
Japan Type Hydraulic Quick Couplings – HSP Series
The HSP Hydraulic Quick Couplings from the POOLKE HSP Series are designed for heavy-duty hydraulic applications requiring reliable connection, high durability and stable sealing performance. Featuring a robust ball-locking mechanism and heavy-duty construction, this series provides secure connection performance for industrial equipment, mobile machinery and hydraulic systems operating under demanding conditions.
The HSP Series is manufactured with nickel-plated steel coupling bodies and hardened nickel-plated steel nipples to improve wear resistance and mechanical strength. With a captive valve seal design, optional PTFE support ring and precision-machined components, the HSP Hydraulic Quick Couplings provide excellent reliability, long service life and consistent hydraulic performance.
Key Features
Heavy-Duty Hydraulic Design
The reinforced construction provides excellent durability and is suitable for demanding hydraulic applications requiring reliable connection performance.
Hardened Components for Long Service Life
Both sleeve and nipple are hardened to improve resistance against brinelling, mechanical shock and repeated coupling cycles.
PTFE Support Ring for High Pressure Applications
An optional PTFE support ring is available to improve sealing stability and help prevent seal extrusion in high-pressure hydraulic environments.
Reliable Poppet Valve Sealing
The captive valve seal is securely retained by the metal poppet, helping minimize seal washout and damage caused by high-velocity fluid.
Stable Valve Alignment Design
The poppet valve is matched with a solid metal perch to maintain valve alignment and help prevent flow checking during operation.
Precision Machined Construction
The coupling and nipple are precision machined from solid bar stock to ensure accurate dimensions, consistent quality and reliable performance.
Applications
The HSP Hydraulic Quick Couplings are suitable for:
- Construction machinery
- Industrial hydraulic systems
- Hydraulic power units
- Mobile hydraulic equipment
- Heavy-duty machinery
- General hydraulic applications
Technical Overview
| Series | HSP | Seal Material | NBR |
| Type | Japan Type Hydraulic Quick Coupling | Size Range | 1/4" – 1" |
| Locking Type | Ball Locking | Rated Pressure | 20.6 MPa (depending on size) |
| Valve Type | Poppet Valve | Rated Flow | 10–175 L/min |
| Coupling Material | Nickel Plated Steel | Temperature Range | -20°C to +100°C (depending on seal material) |
| Nipple Material | Hardened Nickel Plated Steel |
Interchangeability
Cross-reference examples include:
- Nitto HSP Series Type
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