Flow Regulator

Proportional Flow Control Valve, Normally Closed, Priority Type, Pressure Compensated
260 bar [3800 psi] • 65 l/min [17 US gpm]
DESCRIPTION AND OPERATION
This is a 3-way, spool type, normally closed, priority type, pressure compensated proportional flow control valve. In the de-energized condition, flow is blocked from port 1 to the priority port 3 and all flow passes from port 1 to 2. Energizing the coil will proportionally move the spool, opening a variable orifice from port 1 to 3, while excess flow passes to port 2. An internal compensating spool ensures that the output flow at port 3 remains constant, regardless of changes in differential pressure between port 1 and 3 or pressure at the bypass port 2. Increasing the current to the coil will increase the priority outlet flow.

Description:  NV1-10-K-0 
Needle valve, Fully Adjustable, Fine Metering 210 bar [3000 psi]• 45 I/min [12 US gpm] 
This needle valve with fine metering is a variable orifice used to create a pressure drop when flow passes from port 1 to 2 or port 2 to 1. Clockwise rotation of the adjustment screw decreases the flow setting until it is completely closed. 

Flow Control, Partially Adjustable, Pressure Compensated, Priority Type
315 bar [4600 psi] • 73 l/min [19 US gpm]
DESCRIPTION AND OPERATION
This is a partially adjustable, priority type, pressure compensated flow control valve, where the flow from port 3 will remain constant regardless of the pressure difference across the valve, while excess flow passes from port 1 to 2. Flow enters at port 1 and passes across a fixed orifice in the spool, which creates a pressure drop. This causes the spool to move back against the spring, which then restricts the outlet flow. Port 1 then opens to port 2 to allow excess flow to pass. The regulated flow will always take priority and remains constant if the working pressure is higher in either port 2 or port 3.

Needle Valve, Fully Adjustable, Fine Metering with Reverse Free Flow
350 bar [5000 psi] • 55 l/min [14 US gpm]
DESCRIPTION AND OPERATION
This is a needle valve with a reverse free flow check. It is a variable orifice used to create a pressure drop when flow passes from port 2 to 1, while allowing free flow when flow passes from 1 to 2. Clockwise rotation of the adjustment screw decreases the flow setting until it is completely closed. The setting can be locked by tightening lock nut or knob on the adjustment screw

Needle Valve, Fully Adjustable with Reverse Free Flow
210 bar [3000 psi] • 45 l/min [12 US gpm]
DESCRIPTION AND OPERATION
This is a needle valve with a reverse free flow check. It is a variable orifice used to create a pressure drop when flow passes from port 2 to 1, while allowing free flow when flow passes from 1 to 2. Clockwise rotation of the adjustment screw decreases the flow setting until it is completely closed. The setting can be locked by tightening lock nut or knob on the adjustment screw