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CT & CS Series 3-Port Pilot-Operated Relief Valve, 125-1000 PSI Adjustment Range, 3/4 NPT Inlet & Outlet Ports

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Description & Features

The CT & CS Series 3-Port Pilot-Operated Relief Valve 125-1000 PSI Adjustment Range 3/4 NPT Inlet & Outlet Ports is engineered for applications demanding adjustable pressure relief in hydraulic circuits. Designed with high-performance features this relief valve ensures a reliable maximum pressure limit.

Constructed from durable cast iron it provides smooth and quiet operation crucial for continuous duty usage. Equipped with in-line mounting and a ventable design the valve includes an adjustment knob with a locking nut for precise pressure control.

Featuring a gauge port (7/16-20 St.Thd. O-Ring) this product is ideal for maintaining fluid cleanliness at 19/17/14 micron levels. With standard leakage performance and a robust vent port it supports various industrial applications with a maximum flow rate of up to 60 gpm for standard models.

The maximum operating pressure is rated at 3000 PSI. The valve is also moisture-resistant enhancing its suitability for harsh environments.

Model Number: CT-06-B-50

Supplier Part Number: 590536

Segment Code: seg_code_a

Specifications

Brand
Vickers by Danfoss
Actuator Type
Manual
Adjustment
With Adjustment
b Dimensions
3.76 in
Body Material
Iron
Check Valve
Without Check Valve
Connection Type
FNPT
Design Code
50
Dimensions
6.63 in L x 2.58 in W x 5.64 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-06-B-50
Nominal Size
3/4 in
Number of Stages
1
Performance
Standard
Remote Control
Without Remote Control
Seal Material
Buna-N
Series
CT-06 Series
Switch Connector
No
Vent Port
9/16-18 Straight Thread O-ring

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Product Questions & Answers (1)

Question by: Brent S on Feb 7, 2026, 9:39 AM
Will this work on a system where the pressure needs to be adjusted between 125 and 1000 PSI?
Answer by: Customer Support on Feb 9, 2026, 8:54 AM
This relief valve is designed to work in systems where the pressure needs to be adjusted within that range, giving you precise control with the adjustment knob and locking nut.

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