

Hydraulic Spool Control Kit H1, For High Pressure Hydraulic Control, For Walvoil Q25 & Q45 Valves
Product Features:
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High-Pressure Proportional Hydraulic Control with Side Ports for Walvoil Q25/Q45 Valves
The H1 03779H1 high-pressure proportional hydraulic control is designed for use with compatible Walvoil Q25 and Q45 valves. Its proportional operation allows smooth and controlled valve actuation in demanding hydraulic applications.
Featuring a side port configuration, this hydraulic control operates with a pilot pressure range from 16 Bar to 350 Bar, making it suitable for a wide range of mobile, industrial and agricultural hydraulic systems.
Common Applications
- Proportional control of hydraulic directional valves
- Walvoil Q25 and Q45 valve installations
- Agricultural and mobile hydraulic machinery
- Industrial hydraulic equipment
- Replacement and maintenance of compatible hydraulic control systems
Technical Data
| Specification | Details |
|---|---|
| Model | H1 03779H1 |
| Control Type | High-Pressure Proportional |
| Port Configuration | Side Ports |
| Compatible Valves | Walvoil Q25 / Q45 |
| Minimum Pilot Pressure | 16 Bar (232 psi) |
| Maximum Pilot Pressure | 350 Bar (5070 psi) |
Application note: This proportional hydraulic control is intended for use with compatible Walvoil Q25 and Q45 valve assemblies. Confirm valve model, pilot pressure requirements, port configuration and hydraulic system compatibility before ordering.
Need Help Choosing the Correct Hydraulic Control?
Choosing the correct hydraulic control depends on valve compatibility, pilot pressure, port configuration and the requirements of your hydraulic circuit. Our team can help you confirm the correct specification for your application.
Contact Us for technical assistance, product availability and delivery information.
General delivery information
Thank you for visiting and shopping at www.flowfitonline.com. Below are the terms and conditions for the Shipping Policy for Harrier Fluid Power Ltd T/A Flowfit.
Orders are processed and shipped during standard working hours (08:30–17:00 BST), Monday to Friday (excluding Bank Holidays). All orders placed before 4pm Monday to Thursday and 3pm on Friday are normally processed and despatched on the same business day, subject to stock availability.
Build and assembly orders may require additional processing time. This includes, but is not limited to, hydraulic power units, gearbox and pump assemblies, hydraulic hose assemblies, and motor/engine pump sets. Due to current demand, these types of orders are currently experiencing an estimated additional 2–3 working days before despatch.
During periods of particularly high order volumes, delivery times may be extended further. Please allow additional time in transit for delivery once your order has been despatched.
If your order is extremely urgent and next-day delivery is critical, please contact our Sales Team before placing your order. We will do our best to accommodate your requirements and advise whether we can meet your requested delivery date.
If there will be a significant delay to your order, we will contact you via email or telephone.
United Kingdom delivery rates & estimates
| Service | Price | Terms |
|---|---|---|
| FREE Delivery | FREE | Free UK delivery is available for orders over £99.99+ VAT. Delivered in 1 -2 working days. |
| Express Delivery | £9.99 + VAT | UK Mainland delivery for orders under £99.99 + VAT. Delivered in 1 -2 working days. |
| Express 9am | £42.95 + VAT | Delivered by 9am next working day. |
| Express 12pm | £20.95 + VAT | Delivered by 12pm next working day. |
| Channel Islands | ||
| Standard Delivery | £20.95 + VAT | Delivery in 2–3 working days. |
| UK Highlands & Isles | ||
| Order value below £99.99 + VAT | £31.95 + VAT | Delivery in 2–3 working days. |
| Order value over £99.99 + VAT | £28.95 + VAT | Delivery in 2–3 working days. |
* Overnight delivery is only available for certain delivery addresses within the United Kingdom. Please contact us beforehand to confirm eligibility.
Email sales@flowfitonline.com or call 01584 876 033.
Collection: Customers are welcome to arrange collection using a courier of their choosing, or collect in person from our depot in Ludlow, Shropshire. Please advise us in advance so we can ensure your order is complete before collection.
International delivery rates & estimates
Shipping charges depend on weight and destination country and are calculated and displayed at checkout. Orders for delivery within the EU typically arrive on a 2–5 day service (depending on the destination). Shipments outside the EU typically arrive on a 3–7 day service (depending on the destination).
Please contact our Sales team for accurate delivery times. If your parcel has not arrived within the expected timeframe, please get in touch. Please ensure the shipping address entered at checkout is correct; we are not responsible for incorrect or undeliverable addresses.
Customs, duties and taxes
Import duties, taxes, and brokerage fees are not included in the product price or shipping and handling costs. These charges are the buyer’s responsibility. You may check with your country’s customs office to determine any additional costs.
By placing an international order (shipping outside the United Kingdom), the buyer is responsible for complying with their country’s laws, regulations, and restrictions. If a product is seized and destroyed by customs, we will not be responsible for losses, products, or shipping refunds.
Shipment confirmation & order tracking
You will receive a Shipment Confirmation email once your order has shipped, containing your tracking number(s). Tracking will be active within 24 hours.
Working closely with top carrier experts
We use some of the top carrier companies in the world, although you can also use your own carrier to collect your order. All deliveries require a signature on delivery. Below are our main carrier companies.

Damages
Harrier Fluid Power Ltd T/A Flowfit is not liable for products damaged or lost during shipping. If you receive your order damaged, please contact us to file a claim. Please save all packaging materials and damaged goods before filing a claim.
Returns policy
Our Return & Refund Policy provides detailed information about options and procedures for returning your order.





