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DS8P1 & DT8P1 Series Inline Check Valve, 1/4 NPT Ports, 5 PSI Cracking Pressure, Up To 3.20 GPM

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Description & Features

The DS8P1 & DT8P1 Series Inline Check Valve is designed for hydraulic applications, ensuring unidirectional fluid flow. Suitable for various industries such as die casting, marine, and paper, it offers stability under pressure with minimal maintenance.

The 1/4 NPT ports and 5 PSI cracking pressure allow up to 3.20 GPM flow rate. The steel body construction and Buna-N seal material contribute to its robust performance, stopping leaks effectively. With a maximum operating pressure of 3000 PSI, this valve is suited for low shock service conditions, not high-velocity reverse flow scenarios.

This check valve, a product of Danfoss (Power Solutions II LLC), is perfect for machine tools, turbines, and primary metal applications, ensuring reliable fluid control.

Model Number: DT8P1-02-5-10

Supplier Part Number: 114088

Specifications

Actuator Type
Pressure Operated
Body Material
Steel
Connection Type
FNPT
Design Code
10 Series
Dimensions
2.25 in L x 0.88 in W x 1 in H
Domestic/Import
Domestic
End Type
FNPT
Mounting Type
Manifold, Subplate
Nominal Size
1/4 in
Seal Material
Buna-N
Segment Code
A
Series
DT8P Series

Product Questions & Answers (3)

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Question by: Cody G on Mar 27, 2025, 8:18 PM
got a 1/4 npt line, is this check valve the right size and which way does it flow
Answer by: Customer Support on Mar 29, 2025, 10:14 AM
With 1/4 NPT ports, it matches standard 1/4 NPT hydraulic connections, and it is meant to let hydraulic fluid flow freely in one direction only while blocking reverse flow.
Question by: Harvey H on Jul 22, 2025, 3:07 PM
got a hydraulic line on a die casting setup running 1/4 NPT fittings -- will this check valve thread right in without needing adapters?
Answer by: Customer Support on Jul 23, 2025, 5:21 PM
Standard 1/4 NPT threads on both ports, so it should thread directly into your existing fittings without any adapters in between. The inline design keeps installation pretty straightforward. Just make sure your line pressure stays within the 3000 PSI rated limit and you're good to go.
Question by: Travis H on Jan 19, 2026, 11:58 AM
Will this check valve work for my hydraulic system on my marine application?
Answer by: Customer Support on Jan 20, 2026, 5:33 PM
Designed for hydraulic applications, this inline check valve ensures unidirectional fluid flow, making it suitable for marine environments.

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