Description
Unboxing & Hardware Overview
- Manufacturer & Architecture: Metso (Automation / Flow Control Division — Valve & Actuator Accessories)
- Part Number / Model: 423163 (Catalog Designation: Actuator Service / Repair Kit)
- Product Type: Preventive Maintenance / Overhaul Kit for Metso Pneumatic Actuators (following the sequential family line of actuator soft-goods kits like the 423161 series)
- Physical Dimensions: Compact, factory-sealed packaging containing precision-molded elastomer O-rings, dynamic piston seals, guide bands, and sealing rings
- Estimated Shipping Weight: ~1.0 to 2.0 lbs (0.45 to 0.9 kg) enclosed in protective anti-corrosion packaging and structural cushioning
- Primary Condition Status: Factory New / OEM Original Service Kit (verify exact actuator model size and revision tier with your provider prior to dispatch)
Product Introduction
The Metso 423163 is a genuine OEM actuator service kit designed for routine overhauls, maintenance, and lifecycle extension of Metso pneumatic rack-and-pinion or piston actuators.
Continuous cycling and exposure to harsh industrial process environments often cause natural degradation of internal elastomeric elements, resulting in pneumatic pressure bypass and reduced torque performance. Utilizing an original Metso service kit ensures that all replacement O-rings, backup rings, and slide bearings match the exact chemical compatibility, temperature thresholds, and dimensional tolerances required to restore factory operating efficiency.
Core Technical Specifications
| Parameter | Value |
| Product Line | Metso Flow Control / Valmet Automation Actuator Spares |
| Part Identifier | 423163 (Actuator Service / Overhaul Kit) |
| Target Actuator Model | Engineered for specific Metso pneumatic actuator frames (verify exact dash-number pairing with nameplate) |
| Kit Contents | Complete set of internal dynamic/static O-rings, piston seals, guide rings, and sealing washers |
| Material Composition | High-grade industrial elastomers (Buna-N, Viton, or specialized temperature-rated compounds) |
| Operating Temperature | Matches standard actuator thermal ratings (-40°C to +80°C / -40°F to 176°F standard industrial tier) |
| Storage Requirements | Cool, dry, dark environment away from direct sunlight and ozone sources to prevent elastomer aging |
Compliance & Standards Alignment
- Manufactured in accordance with Metso’s stringent factory material specifications, ISO quality standards, and global flow control guidelines.
- Ensures that serviced actuators maintain their original pressure containment and functional reliability ratings.
Technical Note: When performing a scheduled overhaul using service kit 423163, thoroughly clean internal cylinder bores and moving metal components. Inspect components for scoring or pitting prior to installing the new seals, and apply an approved factory-recommended lubricant to all elastomer surfaces during assembly.
Storage & Asset Preservation Guidelines
- Store the service kit unopened in its original manufacturer packaging to protect sensitive elastomer components from dust, ultraviolet light, and ozone degradation.
- Maintain storage areas at stable, moderate temperatures with relative humidity kept below 60%.
- Avoid placing heavy items on top of the kit package to prevent deforming flexible components or sealing profiles.
Physical Installation Prerequisites
- Ensure that the actuator is completely isolated from pneumatic supply pressure, electrical control signals, and mechanical load before disassembly (apply strict LOTO protocols).
- Verify that part number
423163matches the exact Bill of Materials (BOM) or service manual listing for your specific actuator model nameplate. - Perform a full pressure and stroke test on the bench before remounting the actuator back onto the process valve pipeline.
Buyer’s FAQ & Logistics
Q: What Harmonized System (HS) code applies to this Metso service kit?
A: Industrial valve parts, actuator accessories, and rubber/elastomeric sealing components typically classify under HS code 8481.90 (Parts of taps, cocks, valves) or 4016.93 (Vulcanized rubber gaskets, washers and other seals). Confirm final details with your licensed customs broker.
Q: Does kit 423163 include mechanical metal parts like springs or pistons?
A: Typically, standard service kits contain soft goods (seals, O-rings, and wear rings). Major metallic components like springs, shafts, or pistons are generally ordered separately unless specified in a complete overhaul assembly list.
Q: Is the listed online price final for procurement?
A: Note: Price is subject to market availability, global logistics, and inventory status; contact our technical sales desk for a formal, time-sensitive quotation.
