CT & CS Series 3-Port Pilot-Operated Relief Valve, 1500-3000 PSI Adjustment Range, 1-1/4 NPT Inlet & Outlet Ports

Description & Features

The CT & CS Series 3-Port Pilot-Operated Relief Valve designed by Danfoss offers an adjustable pressure range from 1500 to 3000 PSI ensuring precise pressure control in hydraulic systems. Crafted from robust cast iron this valve features 1-1/4 NPT inlet and outlet ports promoting secure and reliable connections.

Notable for its plug-and-play design the valve supports in-line mounting and includes a convenient adjustment knob with a locking nut for easy modifications. It also incorporates a 7/16-20 St.Thd. O-Ring gauge port and a 9/16-18 St.Thd. O-Ring vent port enhancing its versatility in various applications.

Engineered for high performance this relief valve operates smoothly and quietly making it suitable for continuous duty. It accommodates a maximum operating pressure of 3000 PSI and supports flow rates up to 180 gpm for high flow models.

Model Number: CT-10-F-30

Supplier Part Number: 590283

Specifications

Actuator Type
Pilot Operated
Adjustment
With Adjustment
b Dimensions
4.88 in
Body Material
Iron
Check Valve
Without Check Valve
Connection Type
NPT
Connector Type
ISO 4400 DIN 43650 Plug
Design Code
30
Dimensions
7.19 in L x 3.28 in W x 6.18 in H
Diode
Without Diode
Electrical Flag
No
Gauge Port
7/16-20 Straight Threaded O-Ring
grp Adjustment Style
Adjustment Knob with Locking Nut
Hi Vent Spring
Without Hi-Vent Spring
Installation Type
NPTF Thread
Leakage
Standard
Manual Override
No
Media
Hydraulic Oil
Model
CT-10-F-30
Number of Stages
2
Performance
Standard
Remote Control
Without Remote Control
Seal Material
Buna-N
Series
CT-10 Series
Switch Connector
No
Vent Port
9/16-18 Straight Thread O-ring

Product Questions & Answers (1)

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Question by: Shane M on Oct 10, 2025, 9:18 PM
What size are the inlet and outlet ports on this relief valve? Just want to make sure it'll fit my existing setup.
Answer by: Customer Support on Oct 12, 2025, 6:30 AM
This relief valve comes with 1-1/4 NPT inlet and outlet ports, which should provide secure and reliable connections for your hydraulic system.

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