SMK Business Center · Enterprise Road, NairobiEnterprise Rd, NairobiNairobi
+254 740 459 672sales@starnexindustrialspares.comEmail
STARNEX Industrial Spares Ltd
STARNEX Industrial Spares Ltd
Products
Categories
Brands
Technical Resources
Articles
Home/Products/Valve Automation/4M-MLS-BX-FLP / 4M-LS4-FLP
MPN4M-MLS-BX-FLP / 4M-LS4-FLP
SKUSTX-4M-4MMLSBXFLP4MLS4FLP
Direct answer

Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved is an authentic 4MATIC industrial component (Model/MPN: 4M-MLS-BX-FLP / 4M-LS4-FLP) engineered for continuous factory operations and machinery maintenance in Kenya and across East Africa. Key verified ratings include Model Number / MPN: 4M-MLS-BX-FLP / 4M-LS4-FLP, Product Family: Flameproof Explosion-Proof Switch Box, Primary Category: limit-switch-boxes. Standard plant applications include Plant Utility Supply Headers, Boiler Room Piping Systems, Chemical Dosing & Fluid Isolation. Held at our STARNEX counter on Enterprise Road, Nairobi Industrial Area for immediate collection or same-day dispatch. When requesting a quotation, please specify required quantity, operating voltage/phase, pipe connection size, and delivery destination.

Brand:4MATIC
Part Number (MPN):4M-MLS-BX-FLP / 4M-LS4-FLP
STARNEX SKU:STX-4M-4MMLSBXFLP4MLS4FLP
Model Number / MPN:4M-MLS-BX-FLP / 4M-LS4-FLP
Availability:Counter Stock (Nairobi)
Request QuoteWhatsApp Support
Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved for plant utility supply headers
Tap to zoom
Verified technical component photograph
4MATIC·Valve Automation

Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved

MPN:4M-MLS-BX-FLP / 4M-LS4-FLP
PO Ref / SKU:STX-4M-4MMLSBXFLP4MLS4FLP
In Stock - Enterprise Rd Counter
Model Number / MPN:4M-MLS-BX-FLP / 4M-LS4-FLP
Product Family:Flameproof Explosion-Proof Switch Box
Primary Category:limit-switch-boxes
Design Standard:ASME / ANSI / ISO 5211
Also known as:Flameproof Limit Switch Box 4M-MLS-BX-FLP - CIMFR Approved·Pneumatic Valve Actuator Limit Switch Box·Weatherproof Valve Position Indicator Box·Rotary Actuator Electrical Feedback Unit
Direct answer

Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved is an authentic 4MATIC industrial component (Model/MPN: 4M-MLS-BX-FLP / 4M-LS4-FLP) engineered for continuous factory operations and machinery maintenance in Kenya and across East Africa. Key verified ratings include Model Number / MPN: 4M-MLS-BX-FLP / 4M-LS4-FLP, Product Family: Flameproof Explosion-Proof Switch Box, Primary Category: limit-switch-boxes. Standard plant applications include Plant Utility Supply Headers, Boiler Room Piping Systems, Chemical Dosing & Fluid Isolation. Held at our STARNEX counter on Enterprise Road, Nairobi Industrial Area for immediate collection or same-day dispatch. When requesting a quotation, please specify required quantity, operating voltage/phase, pipe connection size, and delivery destination.

Brand:4MATIC
Part Number (MPN):4M-MLS-BX-FLP / 4M-LS4-FLP
STARNEX SKU:STX-4M-4MMLSBXFLP4MLS4FLP
Model Number / MPN:4M-MLS-BX-FLP / 4M-LS4-FLP
Availability:Counter Stock (Nairobi)
Request QuoteWhatsApp Support
Request formal quotation
WhatsAppCall salesEmail sales
Not sure this is the right part?Send a clear photo of your existing part or nameplate and our technical team will confirm the exact replacement spec.
Send part photo
Nairobi counter stock
01 · Technical overview

Functional engineering application

Heavy-duty industrial Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved designed to meet rigorous plant engineering standards. Manufactured with high-grade body and trim materials to withstand thermal stress, pressure surges, and aggressive process fluids. Ideal for installation in steam utility headers, water treatment plants, chemical process lines, and automated machinery skids.

Industrial Flameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved engineered for reliable fluid isolation, throttling, and automation across manufacturing plants.

Key technical advantages
High-durability body construction for demanding industrial environments
Precision engineered flow control trim
Compatible with standard ISO 5211 actuator mounting pads
Low operating torque and extended maintenance cycle life
Bubble-tight sealing performance
Target equipment applications
Plant Utility Supply HeadersBoiler Room Piping SystemsChemical Dosing & Fluid IsolationCooling Water & HVAC LinesAutomated Process Machinery

Quotation & fulfilment

AvailabilityCounter stock
Pickup locationEnterprise Rd, Nairobi
Dispatch windowSame day
Tax invoiceKRA ready
02 · Datasheet

Parametric technical attributes

4M-MLS-BX-FLP / 4M-LS4-FLP technical parameters
4MATIC 4M-MLS-BX-FLP / 4M-LS4-FLP
IDENTIFICATION
Component TypeFlameproof Limit Switch Box 4M-MLS-BX-FLP — CIMFR Approved
Manufacturer / Brand4MATIC
Part Number (MPN)4M-MLS-BX-FLP / 4M-LS4-FLP
Stock Keeping Unit (SKU)STX-4M-4MMLSBXFLP4MLS4FLP
TECHNICAL PARAMETERS
Model Number / MPN4M-MLS-BX-FLP / 4M-LS4-FLP
Product FamilyFlameproof Explosion-Proof Switch Box
Primary Categorylimit-switch-boxes
Operating MediaSteam, Water, Compressed Air, Oil, Gas & Chemicals
COMPLIANCE & STANDARDS
Design StandardASME / ANSI / ISO 5211
CONSTRUCTION & CONNECTION
Body Material OptionsStainless Steel (CF8/CF8M) / Carbon Steel (WCB) / Cast Iron
Sealing TypeHigh-Integrity Soft / Metal Seated
PERFORMANCE & RATINGS
Pressure RatingStandard Industrial Pressure Class
COMPLIANCE & LOGISTICS
Stock AvailabilityIn Stock - Enterprise Rd, Nairobi
03 · Compatibility

System fitment & verified replacements

Interchangeable models

No direct alternative model currently catalogued.Send your machinery brand, thread size, and operating parameters to our technical sales team to verify a compatible replacement part.

Commonly installed on equipment from

Generic Industrial StandardsASME B16.34ISO 5211
04 · Frequently asked

Common questions on this part

The 4M-MLS-BX-FLP / 4M-LS4-FLP is designed for industrial steam, water, compressed air, neutral gases, and process fluids.

Available end connections include female screwed BSP/NPT threads and ANSI 150# / DIN flanged ends.

Yes. Hydrostatic test reports and material test certificates (MTC) are provided.

Check the nameplate or stamped part number on your existing unit, along with operating parameters (e.g. dimensions, voltage, pressure rating, or connection size). You can share a photo of the nameplate directly via WhatsApp or our Request a Quote form, and our sales desk will confirm technical fitment, lead time, and pricing.

Yes. Standard ISO 5211 mounting pads allow direct mounting of pneumatic or electric actuators.

Yes. We deliver daily to Mombasa, Kisumu, Nakuru, Eldoret, Thika, and regional East Africa.

In-stock orders are dispatched same-day in Nairobi and delivered within 24 hours nationwide.

Our trade counter is located on Enterprise Road, Industrial Area, Nairobi, Kenya.

Covered by standard supplier warranty against material and manufacturing defects under normal operating conditions in accordance with manufacturer technical specifications.

Request a quotation on our website or contact our Nairobi sales office directly.

System Spares · Related Machinery Parts

Related & Recommended Spares

View All Valve Automation Spares
Compact Weatherproof Limit Switch Box 4M-MMLS-BX-WP
4MATIC · valve automation

Compact Weatherproof Limit Switch Box 4M-MMLS-BX-WP

MPN: 4M-MMLS-BX-WP-01 / 02 / 03
In stock
View
Electric Actuator 4MOD A1 Series — Quarter-Turn 230V / 24V
4MATIC · valve automation

Electric Actuator 4MOD A1 Series — Quarter-Turn 230V / 24V

MPN: 4MOD A1
In stock
View
Electro-Pneumatic Positioner with Feedback 4M-AEP-1000
4MATIC · valve automation

Electro-Pneumatic Positioner with Feedback 4M-AEP-1000

MPN: 4M-AEP-1000-RDN/LSN-Feedback
In stock
View
STARNEX Industrial Spares Ltd

Industrial spare parts supplier across Kenya & East Africa. Genuine OEM components for burners, pumps, bearings, valves and automation systems.

@StarnexSpares
Products
  • Burners
  • Burner Nozzles
  • Fuel Pumps
  • Sensors & Controls
  • Filters
  • Gaskets
  • Assorted Accessories
  • Refrigeration
  • View all categories →
Resources
  • V-Belt Length Calculator
  • Bearing Tolerance Chart
  • Thread Identification Guide
  • Motor Efficiency Guide
  • Gasket & Seal Compatibility
  • Engineering Articles
  • View all resources →
Company
  • About Us
  • Company Profile (PDF)
  • Kenya County Hubs
  • East Africa Markets
  • Contact / Sales Desk
+254 740 459 672sales@starnexindustrialspares.com

Mon–Fri: 8:00-17:00

Sat: 8:00-13:00

SMK Business Center, Enterprise Road,
Industrial Area, Nairobi, Kenya
© 2026 STARNEX Industrial Spares Ltd. All rights reserved.Nairobi, Kenya · Industrial Area, Enterprise Road