FREE SHIPPING

On Orders Over $100

International Orders:

Home
Online Store
Resources
About
Contact

Home
Online Store
Resources
About
Contact
Login
Request a Custom Part

Products search

Shop By Category

Questions? Email us!

sales@mackvacuum.com

Adapters
CF Flanges and Fittings
High Vacuum Bellows SS Hoses
Valves
Weld Tubes
ISO Flanges and Fittings
KF (QF) Flanges and Fittings
Alcatel Vacuum Pump Parts
Leybold Vacuum Pump Parts
Pfeiffer Vacuum Pump Parts
Welch Vacuum Pump Parts
Greases – Supplies
Vacuum Rated Hoses
Universities Only – FREE STUFF!
Custom Vacuum Components / Vented Screws
GS Series Ball Valves
Super Sale Items
316 Stainless Steel Components

Cart

Your cart is currently empty.

Return to shop

785 Big Tree Dr, Unit 105
Longwood, FL 32750

sales@mackvacuum.com

866-674-6225

Quick Links

Home
Shop Vacuum Components
Request Custom Part
About Us
Resources

Customer Service

My Account
Order History
Shipping & Returns
Terms & Conditions
Privacy Policy
Contact US

Proud member of the American Vacuum Society-AVS

AVS Science and Technology of Materials, Interfaces, and Processing

Resource Center: Latest Entry

Vacuum Suitable Welding

A virtual leak is a pocket of gas physically trapped within the weld with only a small, very low conductance, path from which to evacuate. Learn about common examples of virtual leaks and what causes them.