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

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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

A
6.18
Adjustable Range
1500-3000
Adjustment
1
Application
Applications requiring an adjustable pressure relief or regulating valve to limit the pressure in a hydraulic circuit to a desired maximum
B
4.88
Body Material
Cast Iron
Check Valve
No
Design Code
30
Diode
No
Brand
DANFOSS POWER SOLUTIONS II LLC (VICKERS)
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Electrical Flag
No
Features
Plug-and-play design|High-performance features|Moisture resistant
Fluid Cleanliness
19/17/14 micron
Gauge Port
7/16-20 St.Thd. O-Ring
Hi Vent Spring
No
Inlet Port
1-1/4 NPT
Interface
1 1/4 In.
Leakage
Standard
Manual Override
No
Outlet Port
1-1/4 NPT
Performance
Standard
Remote Control
No
Seal Material
Buna-N
Special Features
None
Supplier Part Number
590283
Switch Connector
No
Valve Mount Type
NPTF threads
Vent Port
9/16-18 St.Thd. O-Ring
Alternate Part Numbers
Alternate Part Number C1BV99, Alternate Part Number CT 10 F 30, Alternate Part Number CT10-F30, Alternate Part Number CT10F30
Product Weight
15.00 lbs

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Product Questions & Answers (1)

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.