Cartridge
Description
Direct-Acting Relief Valve - Pilot Capacity
Specifications
Cavity T-8A
Series P
Capacity 2.5 gpm
Maximum Operating Pressure 5000 psi
Factory Pressure Settings Established at 2 in³/min.
Maximum Valve Leakage at 110 SUS (24 cSt) 15 drops/min.
Response Time - Typical 2 ms
Valve Hex Size 7/8 in.
Valve Installation Torque 20 - 25 lbf ft
Adjustment Screw Internal Hex Size 5/32 in.
Locknut Hex Size 9/16 in.
Locknut Torque 80 - 90 lbf in.
Seal kit - Cartridge Buna: 990608007
Seal kit - Cartridge EPDM: 990608014
Seal kit - Cartridge Polyurethane: 990008002
Seal kit - Cartridge Viton: 990608006
Model Weight 0.28 lb.
Features
Utilizes the Sun T-8A 2-port cavity making it the ideal choice to use in conjunction with Sun's main stage pilot or vent-to-operate cartridges. Separate pilot lines are eliminated and only one cavity needs to be machined to accommodate both the control and primary function. Note: All 2-position, 2-way pilot stage control cartridges utilize the same cavity and are physically interchangeable. Functionality is the only consideration.
Note: The main stage valve should first be installed to the correct torque value followed by the T-8A pilot control section into the main stage valve to its required torque value.
Ports 1 and 2 may be pressured to 5000 psi (350 bar).
Hardened poppet and seat provide consistent operation, low leakage rates and superior wear characteristics.
*Please note that image representation may only represent a product series with particular items. The buyers responsibility is to ensure the product SKU matches their specifications before purchase.
Shipping
We can ship to virtually any address worldwide. Some products carry shipping restrictions, and certain items cannot be shipped to international destinations.
Unless otherwise noted, all shipments are FOB Shipping Point.
Shipping rates for many items are weight-based. Item weights are rounded up to the next full pound, consistent with our carriers' policies.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We will also cover return shipping costs if the return is the result of our error — for example, if you received an incorrect or defective item.
Refunds are typically issued within four weeks of the date you give your package to the return shipper. This period covers:
● Transit time for the returned item to reach us (5–10 business days)
● Processing time once we receive your return (3–5 business days)
● Time for your bank to process the refund (5–10 business days)
If you need to return an item, please contact us with your order number and details about the product you would like to return. We will respond promptly with instructions for returning the item.
All returns require prior approval and a Return Merchandise Authorization (RMA) number issued by Flow Dynamics & Automation, Inc.. Returns made outside the 30-day window described above, or that are not the result of our error, must be new and unopened and are subject to a 25% restocking fee.
