Product Overview
Danfoss Damcos VPI‑C 160G0422 is a marine‑qualified valve position indicator unit, widely deployed in shipboard Valve Remote Control Systems. It mechanically couples with quarter‑turn hydraulic valve actuators, delivering both on‑site visual position readout and remote electrical feedback signals to the vessel automation system. Constructed with heavy‑duty sealed housing to resist salt spray, humidity and vibration on‑board vessels and offshore platforms. Mainly supplied as spare replacement part for maintenance and retrofitting of legacy Damcos hydraulic valve control installations.
Series
VPI‑C belongs to Danfoss Damcos VPI family of valve position indicators for marine hydraulic actuators. The portfolio includes VPI‑C, VPI‑E and VPI‑V variants with different power ratings, gear ratios and feedback configurations. These units convert mechanical valve shaft rotation into readable visual status and electrical signals for ship automation and safety monitoring systems.
Product Features
‑ Integrated local visual dial for direct on‑site valve position observation ‑ Electrical switch feedback for remote valve‑status transmission to ship control system ‑ Max continuous load 0.2 W, low‑power consumption design ‑ 150:1 gear ratio for precise mechanical position conversion ‑ Rugged sealed marine‑grade housing, salt‑spray and vibration resistant ‑ Optimized for direct mounting on Damcos quarter‑turn hydraulic actuators ‑ Compact block‑style construction, drop‑in replacement for original hardware ‑ Compliant with typical marine classification environmental requirements
Product Parameters
‑ Part Number: 160G0422 ‑ Type: VPI‑C Valve Position Indicator ‑ Max Continuous Load: 0.2 W ‑ Gear Ratio: 150:1 ‑ Output: Mechanical visual indication + electrical switch feedback ‑ Operating Environment: Marine salt‑spray, high humidity, vibration environment ‑ Operating Temperature: ‑20 °C ~ +70 °C ‑ Storage Temperature: ‑25 °C ~ +80 °C ‑ Protection Rating: Marine sealed enclosure ‑ Mounting: Direct flange‑mount to Damcos hydraulic actuator ‑ Approvals: Designed for marine classification compliance
Product Specifications
‑ Form Factor: Complete assembled valve‑position indicator block ‑ Connection: Electrical connector for signal wiring to ship control cabinet ‑ Visual Readout: Rotating position dial with open‑close marking ‑ Mechanical Interface: Matched for Damcos quarter‑turn hydraulic actuators ‑ Cooling: Natural convection ‑ Maintenance: Direct swap‑out spare part for actuator assemblies
Function
VPI‑C 160G0422 mechanically follows rotation of the hydraulic actuator shaft. The built‑in gear mechanism drives the local visual dial to show real‑time open / closed valve position locally. Meanwhile, internal switch contacts change state and send electrical feedback signals to the ship remote control system, so operators can monitor valve status remotely from control room. It enables both local on‑site checking and remote supervisory monitoring for hydraulic‑operated valves.
Purpose
Realize on‑site visual display and remote electrical feedback of hydraulic valve position. Replace defective position indicator units on vessel valve remote‑control systems, restore valve‑status monitoring function and support safe ship operation. Used for spare‑part stocking and ship‑repair maintenance projects.
Application Fields
Shipboard valve remote control systems, offshore platform hydraulic valve installations, cargo‑oil handling systems, ballast‑control valves, marine hydraulic actuator maintenance, ship‑repair and offshore retrofit projects.
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