Nai-Lok SS316 Double Ferrule 3-Way Union Tee Tube Fitting Instrumentation Compression Coupling for 1/4" to 1/2" Od Tubing

Customization: Available
After-sales Service: Standard
Warranty: Standard

Product Description

Overview & Basic Info
Model NO.
NUT
Standard
ASTM
Technique
Forged
Nominal Diameter
1/16''-1''
Material
Stainless Steel
Connection
Compression
Working Pressure
3000 Psi
Certificate
ISO9001
Product Description
SS316 Double Ferrule 3-Way Union Tee Tube Fitting

This precision-engineered 3-way tube fitting is designed for high-performance instrumentation and process control systems. Made from high-quality SS316 stainless steel, it offers excellent corrosion resistance and leak-tight performance for 1/4" to 1/2" OD tubing.

Used extensively in semi-conductor, aerospace, solar energy, and petroleum industries. This union tee ensures consistent performance under demanding conditions in laboratories and clean process environments.

Key Features:
  • Pressure up to 3000psig for standard stainless steel body
  • PTFE packing temperature range: -65°F to 450°F (-54°C to 232°C)
  • Grafoil packing temperature range: -65°F to 1200°F (-54°C to 649°C)
  • Back seating design protects packing in fully open position
  • Non-rotating stem tip for enhanced durability
  • 100% factory tested for reliability
Product Parameters
Item Details
MaterialStainless Steel SS316
Connection TypeDouble Ferrule Compression
Tube OD Size1/4", 3/8", 1/2", 3/4", 1'', 2'', 20mm, 25mm, 32mm
TypeUnion Tee / 3-Way Coupling
Working PressureUp to 6000 psi (depends on tube size)
Operating Temperature-65°F to 850°F (-53°C to 454°C)
ComplianceANSI/ASME B31.3, ASTM A276, ASTM A479
Detailed Photos
Frequently Asked Questions
What materials are these fittings made of?
The fittings are manufactured from high-quality SS316 Stainless Steel, ensuring superior corrosion resistance and durability.
What is the maximum working pressure?
Standard units support up to 3000 psig, while specific configurations can handle up to 6000 psi depending on the tube size and material.
Are these fittings compatible with metric tubing?
Yes, we offer sizes ranging from 1/16" to 1" for fractional tubing and 6mm to 38mm for metric tubing.
What temperature range can the seals withstand?
PTFE packing handles -65°F to 450°F, while Grafoil packing allows for extreme temperatures ranging from -65°F up to 1200°F.
Is OEM service available for these components?
Yes, OEM service is available to meet specific industrial requirements and custom specifications.
How is the leak-tight integrity ensured?
Each fitting is 100% factory tested and features a double ferrule compression design to provide a secure, leak-proof connection.

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