Model No.: WF-YL11-05F
Brand: TechWF
Manufacturer: Wenzhou Weifeng Technology Co., Ltd.
Official Website: www.alvifeng.com
Business Contact: WhatsApp +8618815068623
Core Application Sectors: Heavy Industry | Chemical Process Engineering | Precision Agriculture | Offshore & Marine Engineering
1. Product Overview
WF-YL11-05F inline tubular flow sight indicator is a premium precision visual pipeline monitoring fitting independently developed by TechWF, specifically engineered for seamless welded instrument tubing and strict corrosive working conditions across industrial, chemical lab, precision agriculture and offshore marine industries.
This sight glass features fully machined 304/316 stainless steel double ferrule welded connection ends, thick-wall transparent straight borosilicate glass tube body, dual FKM fluororubber sealing rings and high-sensitivity green spiral impeller with engraved flow direction arrow. It delivers 360° full-angle real-time visual detection of fluid flow speed, pipeline blockage, medium cut-off and reverse flow, fully protecting miniature circulation pumps, lab chemical reactors, precision hydroponic irrigation equipment and compact offshore seawater circulation skids from dry running, cavitation and permanent mechanical failure.
Every finished unit undergoes rigorous hydraulic burst pressure testing, salt spray corrosion aging testing, multi-layer sealing leakage testing and cold-hot alternating cycle validation before factory dispatch, ensuring stable long-cycle continuous operation under high-salinity seawater, weak acid/alkali and high-temperature micro fluid media worldwide.
2. Premium Technical Specifications
- Body Material: 304 / 316 stainless steel machined hexagonal ferrule joints, thick-wall high-pressure borosilicate glass tube; passivated matte finish, anti-rust, anti-scale, seawater & mild chemical resistant, sanitary instrument standard compliant
- Connection Standard: Double ferrule butt-weld tube connection, compatible with seamless stainless steel tubing OD 6mm / 8mm / 10mm / 12mm, customizable special tube sizes
- Sight Window: Straight thickened borosilicate glass tube, 360° panoramic full viewing without visual blind spots
- Sealing Assembly: Double-layer green FKM fluorine rubber composite gaskets, resistant to acid, alkali, brine, industrial oils and lab solvents
- Flow Indicator Core: Reinforced green spiral multi-blade impeller, ultra-sensitive to micro low fluid flow; flow direction arrow marked on upper hex nut for quick installation reference
- Nominal Working Pressure: PN16 standard grade; PN25 reinforced high-pressure marine customized version available
- Operating Temperature Range: -20℃ ~ +180℃
- Flow Channel Design: Full straight-through full-bore inner cavity, zero extra pressure drop, no internal flow obstruction
- Structural Feature: Split detachable tubular assembly, easy full disassembly for internal impeller cleaning and component replacement
3. Core High-End Industrial Advantages
3.1 Precision Machined Double Ferrule Welded Connection
CNC fully machined stainless steel ferrule joints support direct butt welding with instrument seamless tubing, eliminating threaded adapters and thread leakage risks. The dual compression ferrule structure creates a tight vibration-resistant seal, ideal for precision instrument skids, offshore compact equipment and chemical laboratory micro pipelines.
3.2 360° Panoramic Straight Tubular Sight Glass
Fully transparent straight glass tube allows technicians to observe impeller rotation speed, suspended impurities, bubbles and full fluid status from any radial angle, delivering superior full-flow visibility compared to single-sided dome sight indicators.
3.3 Zero Pressure Loss Full Straight Through Flow Path
No internal protruding throttle structures to generate additional pressure loss; the original pipeline design flow capacity is fully retained, perfectly matching low-loss precision flow control demands of fine chemical labs, industrial precision cooling and marine compact circulation systems.
3.4 Ultra-Sensitive Spiral Green Impeller
Custom molded spiral multi-blade impeller responds to minimal micro fluid flow volume, accurately identifying low flow, pipeline dry-up and backflow risks to avoid unplanned experiment/production shutdown and costly precision equipment damage.
3.5 Dual Heavy-Duty FKM Fluororubber Sealing System
Two independent fluororubber gaskets form double anti-leakage protection, resisting chemical erosion, salt spray aging and extreme temperature fluctuations, maintaining zero leakage under long-term full-load continuous operation in chemical labs and offshore high-salt corrosive environments.
3.6 Compact Inline Vertical/Horizontal Universal Layout
Slender inline tubular structure fits seamlessly into straight horizontal or vertical instrument tubing without occupying extra lateral space, perfectly suited for compact lab benches, skid-mounted process units, greenhouse narrow hydroponic piping and confined offshore machinery cabinet layouts.
3.7 Multi-Harsh Environment Verified Reliability
Validated through rigorous salt spray aging, hot-cold alternating cycle and hydraulic burst pressure tests, reliably supporting year-round non-stop operation of industrial instrument, chemical laboratory, precision agricultural and offshore marine engineering projects.
3.8 Detachable Low-Maintenance Industrial Construction
All assembly parts can be fully disassembled for internal dirt cleaning and impeller replacement; no fragile consumable parts, only regular simple wiping of glass tube surface is required, drastically cutting long-term operation and maintenance expenditure for precision engineering and laboratory projects.
4. Global Cross-Industry Application Scenarios
Heavy Industrial Precision Instrument Manufacturing
Skid-mounted cooling oil micro instrument tubing, boiler sensor auxiliary pipelines, central HVAC precision monitoring loops, machine tool miniature hydraulic oil circuits; prevents micro pump dry-grinding and precision sensor cavitation breakdown.
Chemical Laboratory & Fine Process Engineering
Micro conveyance pipelines for weak acid, weak alkali and lab chemical solvents, small-volume chemical intermediate circulation lines; 360° full visual flow monitoring eliminates micro pipeline blockage and reagent cut-off experiment halts.
Modern Precision Hydroponic Agriculture
Greenhouse micro nutrient solution circulation tubing, precision drip irrigation monitoring loops, hydroponic farm small-bore water supply pipelines; guarantees uniform micro irrigation distribution and avoids crop nutrient drought yield losses.
Offshore & Marine Compact Instrument Engineering
Ship cabin miniature cooling circulation tubing, offshore platform lab fresh & seawater instrument auxiliary lines, marine aquaculture micro water recirculation skid modules; stainless steel anti-salt corrosion construction adapts to coastal and open-ocean high-salt humid compact equipment environments.
Supplementary Application Fields
Lab pure water purification equipment, miniature solar thermal circulation tubing, fire protection micro monitoring branch lines, sanitary food-grade small-bore fluid transfer instrument pipelines.
5. Customized Engineering Support Service
- Material Customization: 304 stainless steel, 316 stainless steel, 316L marine anti-corrosion premium grade
- Ferrule Tubing Customization: Compatible tubing OD 6/8/10/12mm, special non-standard tube outer diameters available
- Pressure Grade Customization: Standard PN16, PN25 reinforced marine high-pressure variant, PN40 ultra-high pressure bespoke model
- Sealing Material Matching: EPDM for clean water media, FKM fluororubber for chemical lab oil & solvent transportation
- Brand & Packaging Customization: Laser engraved customer LOGO on hexagonal ferrule joints, neutral export carton/wooden case packaging; third-party official test reports provided for tender & lab audit documentation
- Flow Bore Customization: Miniature small-bore and standard full-bore internal cavity options
6. Factory Premium Quality Control Standards
All WF-YL11 series stainless steel flow sight indicators implement mandatory 100% full inspection prior to shipment. Standard factory testing scope includes hydraulic burst pressure testing, dual-sealing leakage testing, salt spray corrosion aging testing, impeller low-flow sensitivity testing and high-low temperature alternating cycle validation.
Complete material certification and full test report packages can be supplied to support global engineering tender reviews, offshore marine instrument project audits and chemical laboratory safety compliance assessments.
Global Business Cooperation Contact
Manufacturer: Wenzhou Weifeng Technology Co., Ltd.
WhatsApp Business Line: +8618815068623
Official Website: www.alvifeng.com
