GVO 709-25-11640 Swing Motor Relief Valve Check Valve Shuttle Valve for PC300 350 360 400 -6-7-8 Excavators

Key attributes

Check Valve – Precision "Anti-Damage Guardian"
Prevents Cavitation – During sudden stops, it supplies sufficient oil to the motor's low-pressure side, effectively preventing metal erosion (cavitation) caused by vacuum conditions, significantly extending motor life.

Prevents Reverse Flow – Prevents hydraulic oil from flowing backward during stopping or under external forces, ensuring precise and stable swing movements.

If you need other relief valves, send us the related details please:

1.The pictures

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GVO Value

Our organisation is structured around one principle: serving our customers effectively.

Every decision we make, every process we implement, and every investment we undertake is evaluated against a single criterion — does it benefit our customers?

Our team is our primary asset.

We employ experienced professionals who possess deep knowledge of excavator systems, component specifications, and application requirements. Our team members are empowered to make decisions, resolve issues, and provide solutions — without unnecessary escalation or delay.

Our communication is clear, timely, and actionable.

We provide accurate information about availability, pricing, and delivery schedules. We respond to inquiries within hours, not days. We provide tracking details and proactive updates on order status. Our customers never experience uncertainty about their orders.

Our support extends beyond the order cycle.

We offer technical guidance, installation consultation, and post-delivery follow-up. Our objective is not merely to complete transactions, but to establish lasting relationships based on mutual trust and demonstrated competence.

Our inventory management is systematic and responsive.

With 40,000 m³ of warehousing capacity, we maintain comprehensive stock levels across all major brands and part categories. Our real-time inventory system enables immediate confirmation of availability and rapid order fulfilment — ensuring that your supply chain remains uninterrupted.

GVO — A customer-centric organisation, dedicated to your success.