Can you use compression fittings on stainless steel tubing?
# Can you use compression fittings on stainless steel tubing? Struggling with leaks in your high-pressure system? Using the wrong…
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Precision Instrumentation Manufacturing
Reliable Fluid System Components.
Reliable Fluid System Components.
Engineered for Global Industry.
Seewaylok manufactures precision instrumentation tube fittings, valves, and fluid system components -- helping OEM manufacturers, EPC contractors, and distributors reduce procurement costs without compromising performance.
16+
Years Manufacturing
100+
CNC Machines
50+
Countries Served
ISO
Quality Certified
Why Seewaylok
We Solve Real Procurement Pain
Premium Brand Costs Too High
International brand pricing is squeezing margins. Seewaylok delivers Swagelok and Parker compatible performance at significantly lower procurement cost.
Unacceptable Lead Times
Project schedules can't wait for 16-week lead times. Our in-house CNC manufacturing and inventory management keep your production on track.
Inconsistent Quality
Batch variation causes rework and rejection. Our 100% inspection protocol and full material traceability including MTC 3.1 certification ensure consistent quality.
Poor Supplier Communication
Technical questions go unanswered for days. Our engineering team responds to specifications, drawings, and compatibility questions with real technical depth.
No Customization Support
Standard catalog items don't fit your engineering requirements. Our OEM/ODM and drawing-based manufacturing supports custom dimensions, materials, and configurations.
Single-Source Supply Risk
Dependence on one supplier creates vulnerability. Seewaylok acts as a reliable second-source or primary supplier for long-term supply chain resilience.
Product Range
View All Products
Core Product Lines
Manifolds
Maximum working pressure: 6000psig Working temperature: PTFE packing -54℃-232℃; Graphite packing: -54℃-649℃ Inner diameter: 4mm Two-cut valve stem…
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Block and Bleed Valves
Maximum working pressure: 6000psig Working temperature: PTFE packing -54℃-232℃; Graphite packing: -54℃-649℃ Needle valve: two-cut valve stem design,…
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Check Valves
Working pressure up to 6000psi Operating temperature range: -23℃ to 204℃ Open pressure is optional A variety of…
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Filters
Working pressure up to 6000psig Operating temperature range: -54℃ to 649℃ Available in a variety of forms Each…
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Needle Valves
Working pressure up to 6000psig Operating temperature range: -54℃ to 649℃ Available in a variety of forms Each…
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Relief Valves
Set pressure: 0.68-10.3bar; 3.4-414bar,3.4-103bar are available Operating temperature range: -23℃ to 148℃ Available in a variety of forms…
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Industries We Serve
All Applications
Application Areas
Chemical Engineer
The chemical industry operates in some of the most demanding process environments, where safety, corrosion resistance,…
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Petrochemical / Oil & Gas
Maintaining stable pressure, temperature, and flow throughout fluid systems is essential for safe and efficient operations…
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Semiconductor Industry
In the semiconductor industry, process environments often involve highly corrosive media, extreme operating temperatures, and ultra-precise…
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Technical Resources
All Articles
Engineering Knowledge
Why Engineers Trust Us
Built on Manufacturing Excellence
ISO 9001 Certified
Quality management system certified to international standards
MTC 3.1 / EN 10204
Full material traceability documentation for critical applications
50+ Countries Exported
Global export experience across Americas, Europe, and Asia-Pacific
Swagelok Compatible
Drop-in compatible with major international brand specifications
"As an EPC procurement team, we need suppliers who understand documentation requirements and can deliver on schedule. Seewaylok has consistently delivered quality products with full MTC documentation and responsive technical support across multiple projects."
316 SS
Primary Material Grade
10,000+ PSI
Max Pressure Rating
Get a Quote
Request Technical Specifications & Pricing
Tell us about your project requirements. Our engineering team will respond with technical recommendations, pricing, and lead time within 24 hours.
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Response within 24 business hours
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Technical specification matching
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Competitive pricing with full documentation
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OEM / custom manufacturing support available
Start Your Project
Ready to Source Reliable Fluid System Components?
Join hundreds of OEM manufacturers, EPC contractors, and distributors who rely on Seewaylok for precision instrumentation components. Let us help you reduce costs without compromising quality.
16+ Years Experience
ISO 9001 Certified
MTC 3.1 Documentation
Global Export Ready