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Yuken ST797-40

Yuken ST797-40 Yuken Shock Defense Valve St797-40
Manufacturer: Yuken
Part Number: ST797-40
Product Description:
Yuken Shock Defense Valve St797-40
Condition: Refurbished
Quantity: 2  in stock

To order this item or for more information: call Ryan Fitzgerald at (212) 772-6992 ext 704, or email: [email protected]


Expedited shipping is available on most of our Yuken inventory.
Component-level repairs are also available: inquire today - our Yuken experts are here to assist you.


>> for immediate assistance to replace or repair your ST797-40 email or call us today: [email protected] or call Ryan Fitzgerald at (212) 772-6992 ext. 704

Yuken ST797-40 Spare Available for Shipment

We have at least quantity 2 of the ST797-40 made by Yuken on hand for immediate shipment. This original Yuken spare is refurbished and in excellent condition. We may have additional and new units in stock as well. To receive an online quote or obtain additional information give us a call at (212) 772-6992 ext 704. Qualified York technicians are standing by to assist you.

Service & Support for Yuken ST797-40

In addition to stocking the Yuken ST797-40 spares, we also provide Yuken services on the ST797-40 and related equipment. We offer Extended Warranty plans for your Yuken ST797-40 as well as Maintenance and Support contracts. For a Yuken warranty or support plan to fit your requirements, send an email to [email protected] or call Ryan Fitzgerald at (212) 772-6992 ext. 704

Yuken Diagnostic & Repair Services

We service and repair Yuken ST797-40 and related systems and components, including severely damaged and defective units. Our services for the Yuken ST797-40 include diagnostic evaluation, troubleshooting, component and board level repair, as well as complete rebuilding of the ST797-40 if necessary. Expedited handling of our evaluations and repairs are included as a standard service for all our clients. All our ST797-40 repairs include a 1 year warranty, covering both parts and labor.

To receive a quote to repair your defective Yuken equipment simply email [email protected] or call Ryan Fitzgerald at (212) 772-6992 ext. 704


Other Available Parts & Support Services Related to Yuken ST797-40:
+ We stock a large inventory of Yuken industrial automation systems and parts.
+ We repair, service and calibrate most Yuken models of equipment.
+ We ship Yuken replacement parts worldwide, with expedited shipping for your urgent Yuken requirements


For immediate assistance be sure to contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
[email protected]
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical Yuken Industrial Automation equipment needs.

- Month of -
Popular Industrial Automation Products:

Winter 2024 & 2025 Q1 Developments in Industrial Automation - expanded product offering and diagnostic and repair services at YorkXPS

Winter 2025 Update: Since December 2023 the supply chain strictures have fortunately eased, with less stress on product delivery due dates. Our teams at YORK XPS have been able to ramp up our service response times with expedited shipment schedules back to normal, providing replacement parts and services following normal response times. Our departments are now working on near-normal production levels and our delivery and service schedules back to regular operation levels. In addition to the Yuken ST797-40 parts and service support, we have been able to add new lines of product and service:

Expanded Service and Repair Support for New Product Lines: We offer full support for discontinued Zymark products, including obsoleted and phased-out Yushin parts and systems, as well as the all-new for 2023 Zirox product line-up. Starting Q1 2025 YORK is pleased to announce additional repair and rebuild services for the automation products made by industrial controls leader Zymark such as the 36906REV2 spares. Related to this we have added to our service line-up the F3LU010N manufactured by Yushin and we are pleased to be able to service most Yushin systems and parts. Due to increased demand we now feature SGM7 by Manufacturer Zirox as well.

York Scientific's New & Featured Automation Replacement Parts: Starting early January 2025 YORK has Zero-Max Brand QX2 in stock, original and quality replacement parts available for immediate dispatch to meet your requirement for spare replacements. Spare units by Zellweger such as SLIDASP equipment made by Zellweger have been added to our featured items. As a tip, you can find the entire Zellweger products line-up in our inventory by simply searching for "Zellweger" in the search box. Additionally we have now also available made by as well as the popular ZP9121 original spares produced by Zymark

Servo Motors, Spindles, and Electric Motors Rewinding and Rebuilding. We have expanded capacity at our service centers to do complete overhauls of industrial electric motors and spindles. Refurbishment processes are held to stringent QA standards to adhere to or exceed manufacturer's specifications. Overhauls include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the 1010023 by Zworld and SLIDASP spares by Zellweger are also now also our York Scientific's line-up of service offerings. This also includes the original ZETA57102MONE23005 Spares made by industrial controls and automation manufacturer Parker.

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