FKC Inline One-Way Speed Control Valve

FKC Inline One-Way Speed Control Valve

5 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

FKC Inline One‑Way Speed Control Valve

Product Overview

FKC Inline One‑Way Speed Control Valve is a thread‑mounted Hydraulic valve, integrating throttle and check‑valve function. It is directly installed on pipeline of the hydraulic system to regulate flow and control moving speed of hydraulic cylinders and actuators for the Machine. When hydraulic oil flows in forward direction, fluid passes through throttle orifice for speed adjustment; on reverse stroke, built‑in check valve fully opens to realize free oil return without throttling resistance. Worn or improperly adjusted Hydraulic valve may lead to unstable operating speed, slow movement, jerky action, and affect running stability of the whole Machine. This inline‑thread structure features compact dimension, simple installation, suitable for original equipment assembly and field maintenance of hydraulic system .

Technical Specifications

- Model Series: FKC Inline One‑Way Speed Control Valve

- Valve Type: Inline thread‑connection throttle check Hydraulic valve

- Common Model Code: FKC‑G02, FKC‑G03

- Port Size: G1/4, G3/8, G1/2

- Max Working Pressure: 21 MPa

- Adjustable Flow Range: 0.05‑30 L/min (depends on sub‑model)

- Working Medium: Anti‑wear mineral hydraulic oil

- Operating Temperature: ‑10℃ ~ +80℃

- Installation: Direct inline threaded pipe mounting

- Adjustment Method: Manual adjusting knob with scale marking

- Core function: Forward throttling speed regulation; reverse free‑flow by internal check valve

Working Principle

While the hydraulic system is operating, forward‑direction hydraulic oil pushes the internal check‑valve ball to close, and oil can only flow through adjustable throttle orifice. Rotating the adjusting knob changes the opening area of throttle gap, so as to control flow volume and set travel speed for the Machine. When oil flows backward on return stroke, fluid pressure lifts the check‑valve ball away from seat, hydraulic oil flows through large‑diameter check‑valve passage without throttling restriction, achieving rapid return movement. If the throttle edge gets scratched or check‑valve sealing surface is worn, flow disorder and internal leakage will occur and degrade overall performance of hydraulic system.

Core Advantages

1. Compact inline thread‑through structure, no valve block required, convenient pipeline layout for the Machine.

2. Integrated throttle‑check combined design, separates speed‑governing stroke and quick‑return stroke inside hydraulic system.

3. Knob with scale marking, intuitive flow setting, easy on‑site speed calibration.

4. Precision‑machined internal components, good sealing performance, effectively reduce internal leakage.

5. Simple installation and disassembly, can be directly fitted into existing pipe circuit without extra modification.

6. Effectively resolve common faults: cylinder speed fluctuation, slow forward feeding, abnormal action jerk.

Application Scope

This Hydraulic valve is widely used for general‑purpose industrial Machine, including hydraulic machine tools, small‑size hydraulic presses, automation fixtures, material‑handling equipment and light‑duty engineering machinery. As an essential flow‑regulating component in hydraulic system, it precisely controls cylinder advance speed while allowing unobstructed rapid return stroke. It is widely adopted for original production as well as equipment overhaul and retrofitting work.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch , hydraulic system

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