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PRODUCT DESCRIPTION

Nakakita Seisakusho NS689R-S-10

This component is a Relief Combination Double Pilot Check Valve, typically used in marine and industrial hydraulic systems (such as deck cranes or specialized hydraulic machinery) to maintain pressure and prevent backflow under pilot control.

Technical Specifications

Manufacturer: Nakakita Seisakusho Co., Ltd.
Type/Model: NS689R-S-10
Valve Function: Double Pilot Check Valve with an integrated Relief Combination.
Weight: Approximately 5.79 kg (12.76 lbs).
Operation: Manual/Hydraulic Pilot operated.
Port Configuration: Features a manifold-style mounting interface with multiple O-ring sealed ports (visible in the top-down photo).

Key Features

Load Holding: The double pilot check design ensures that hydraulic fluid is locked in both directions until pilot pressure is applied, preventing "drifting" of hydraulic cylinders.
Pressure Protection: The "Relief Combination" aspect indicates that the valve includes internal relief settings to protect the circuit from over-pressurization.
Marine Grade: Nakakita is a primary supplier for marine equipment, suggesting this valve is built to withstand harsh, corrosive environments.

Market Availability & Support

This specific model is often found in the marine surplus or specialized industrial parts market.

Condition Note: In the images, the unit appears to be "New Old Stock" or surplus, showing typical signs of shelf storage but no visible installation wear on the mounting surface.
Sourcing: Replacement units or seal kits are generally available through marine automation and hydraulic spare parts suppliers.

GANI MARINE

100% Genuine Products | 30 Days Return Policy

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PAYMENT METHODS

We accept PayPal and the rest other modes of payment are also accepted. It is easy and safe for you to pay by credit cards, debit cards, bank transfers, and PayPal account balances. Payment should be made within 2 days after the winning of the item.

Taxes & import duties

Destination country all taxes & duty to be paid by buyer.[not included in price].

SHIPPING POLICY

US shipping - Free Shipping

International-Free Shipping

Each item is individually packed securely with quality products to help ensure safe and undamaged delivery.

We ship within 1 business day after payment is received. Delivery is generally within 10-15 days worldwide after shipping. In rare cases, it makes take up to 2-3 weeks for delivery depending upon the destinations and customs regulations in your country. All packages have a duly filled customs declaration form to avoid any delay in customs.

RETURN POLICY

Your satisfaction is of the utmost concern to us. Should you need to return an item, you can do so within 30 days of receipt of the item for a full refund. Return shipping charges are not reimbursable. All items must be in their original condition, not worn or altered. Please contact us if you would like to initiate a return, so that we may guide you through the process. We can be reached through the "Ask a Question" link on the listings.

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GANI MARINE.

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