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The TCG50-10-FEV-P7-H-12-S158 valve belongs to the Relief Valves series and is built by Vickers. It is a solenoid-controlled multi-pressure relief unit intended to modulate system pressure in hydraulic automation circuits. Design number 15 within the TCG50 family establishes geometry and spare-part compatibility. Size 10 dimensions match manifolds that carry moderate flow rates while keeping envelope size compact. One pressure control plus unload capability permits selective venting so machines can switch between working and standby pressure. The high vent pressure configuration prevents premature unloading when back pressure is present. An internal drain is included to return pilot flow to tank without extra tubing. The main stage can be adjusted up to 21 MPa, allowing operators to set a precise relief limit. Acceptable operating media include mineral oil or water-glycol so the valve accommodates both standard and fire-resistant fluids. A minimum pilot flow of 5 L/min must be available to maintain stable pressure regulation.
The valve tolerates a continuous working pressure of 21 MPa, matching the adjustable limit for consistent safety margins. Maximum line flow of 400 L/min can pass through the main gallery, supporting large actuators without excessive pressure drop. Installation uses subplate model CGM-10-10-JA-J, providing standardized mounting and passage layout, and the associated ports are sized Rc 1-1/4 to accept common pipe fittings. Four M20 × 100 class 12.9 bolts secure the body to the subplate so joint integrity is maintained at full rated pressure. Pressure setting is altered with an acorn nut and square-head screw, allowing quick tool adjustment during commissioning. Total mass is 12.1 kg without the SH option, which eases handling when assembling into vertical or overhead manifolds.
Design Number
15 (TCG50)
Drain Type
Internal Drain (Standard)
Hydraulic Fluid
Mineral Oil Or Water-Glycol
Max Adjustable Pressure
21 MPa (Main Valve, Code F)
Max Working Pressure
21 MPa
Maximum Flow
400 L/min
Minimum Flow Requirement
5 L/min (Size 10)
Mounting Bolts
4-M20×100 (Class 12.9)
Pressure Adjuster
Acorn Nut, Sq. Head Screw (E)
Pressure Control
1 Pressure Control + Unload
Size
10
Subplate
CGM-10-10-JA-J
Subplate Port Size
Rc 1-1/4
Valve Type
Solenoid-Controlled Multi-Pressure Relief
Vent Pressure Type
High Vent Pressure (V)
Weight
12.1 kg (Without SH)
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