Stainless steel cable gland are essential components for protecting cable entry points in industrial equipment. They offer strong mechanical protection, waterproof sealing, and excellent corrosion resistance — especially in harsh and outdoor environments. But selecting the correct size and thread specification is critical to ensure safety and long-term performance.
This guide will help you quickly understand how to choose the right Stainless Steel Cable Gland for your project.
✅ What Is a Stainless Steel Cable Gland?
A stainless steel cable gland (also known as stainless steel cable connector) is designed to:
✔ Secure the cable ✔ Prevent dust, water, and oil intrusion ✔ Provide strain relief ✔ Maintain system safety in vibration and high-temperature environments
✅ SS304 vs SS316: Which Material Should You Choose?
Stainless steel cable glands are mostly manufactured using 304 or 316 stainless steel.
Material
Corrosion Resistance
Application
Cost
SS304
Good
General industries
Affordable
SS316
Excellent (saltwater & chemicals)
Marine / Oil & Gas / Coastal areas
Higher
📌 Recommendation: If your application involves saltwater, acids, or chemical exposure, choose SS316 Stainless Steel Cable Glands for better durability.
✅ Types of Thread Standards: How to Select the Correct One?
Choosing the correct thread type ensures full compatibility with equipment.
Thread Standard
Region / Industry
Feature
Metric (M)
Europe, Asia
Straight thread
NPT
USA, Canada
Tapered thread, stronger sealing
PG
Older German standard
Now less common
G (BSPP)
UK and Middle East
Parallel thread
Tip: 📩 If you are unsure about your equipment thread, send the male/female interface info — we can match for you.
✅ Match Cable Outer Diameter (OD) — The Most Important Step
Each cable gland has a clamping range. If the cable OD is too small — not waterproof If too large — installation may fail or damage the cable
Example:
Cable OD: 10mm
Choose gland size ≥ 10mm and ≤ 12mm sealing range (e.g., M20)
Common industry sizes: M12 / M16 / M20 / M25 / M32 / M40 / M50 / M63
Sealing inserts available:
EPDM (standard)
Silicone (high temperature)
Viton (chemical resistance)
✅ Do You Need Armored or Explosion-Proof Cable Glands?
Ask yourself two questions:
1️⃣ Is the cable armored (SWA/STA)? ✔ Choose armored cable gland
2️⃣ Is the installation area hazardous? ✔ Choose explosion proof stainless steel cable gland ✔ Certifications: ATEX / IECEx / UL
✅ Installation Tips: Avoid Leakage and Thread Damage
✔ Apply PTFE/Teflon tape for NPT threads ✔ Use correct tightening torque ✔ Ensure no cross-threading ✔ Keep sealing surface clean and flat
This ensures stable sealing performance and long-term reliability.
✅ Work With a Reliable Cable Gland Manufacturer
Choosing a trustworthy supplier helps you avoid quality risk in engineering projects.
We can support you with: ✅ Full range thread standards: M / NPT / G / PG ✅ SS304 / SS316 materials ✅ Bulk B2B supply for industrial projects ✅ OEM & customized marking ✅ Fast delivery & technical selection support
To choose the right Stainless Steel Cable Gland, remember these key factors:
Selection Focus
Description
Thread Standard
Match equipment port (M / NPT / PG / G)
Cable OD
Fit the clamping range
Material
SS316 for harsh environment
Function
Armored / Explosion-proof if required
Protection Level
IP68 recommended for outdoor
FAQ
How do I choose the correct size of a Stainless Steel Cable Gland?
Match the cable outer diameter (OD) with the gland’s clamping range. If the cable OD does not fit the range, sealing performance will be reduced.
What is the difference between SS304 and SS316 cable glands?
SS316 offers better corrosion resistance against saltwater and chemicals, ideal for marine and offshore applications. SS304 is suitable for general indoor and industrial environments.
Do you offer Armored Stainless Steel Cable Glands?
Yes. We supply glands for both armored and unarmored cables, including explosion-proof options for hazardous areas.
Can Stainless Steel Cable Glands achieve IP68 waterproof protection?
Yes. With proper installation and correct cable fit, our stainless steel cable glands can meet IP67/IP68 protection levels.
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