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Feedthroughs, Sight Port, Gas Back Fill, Rotary, Viewport

 

 

Sight Port - Model FTO-111

  • Material: Chrome plated brass
  • This port is standard supplied with a flat Pyrex® window.

Sight Port - Model FTO-111

Sight Port - Model FTO-111

 

 

 

Gas Back Fill/Thermocouple - Model FTO-119-SS

  • Material: Stainless steel
  • 1/8" FNPT both sides

Gas Back Fill/Thermocouple - Model FTO-119-SS

Gas Back Fill/Thermocouple - Model FTO-119-SS

 

 

 

Direct Drive - Model FTO-120-SS

  • Material: Stainless steel
  • Viton® sealed shaft 500 RPM maximum

Direct Drive - Model FTO-120-SS

Direct Drive - Model FTO-120-SS

 

 

 

Viewport/Weld Stub - Model FTO-VP6

  • Material: Stainless steel half nipple
  • Pyrex® glass, Viton® sealed

Viewport/Weld Stub - Model FTO-VP6

Viewport/Weld Stub - Model FTO-VP6

 

 

 

Water Feedthroughs

Water Feedthroughs

Water Feedthroughs

 
PART NUMBER END FITTINGS
FTO-121 1/4" Swagelok®
FTO-122 1/4" Male VCR®

Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Precision Welded. Performance Proven.
For 50 years, Key High Vacuum Products, Inc. has been a trusted leader in precision-engineered stainless steel high vacuum weldments. With tens of thousands of unique weldments in use—from particle accelerators to industrial leak detectors—our expertise is proven across industries. Rooted in innovation, craftsmanship, and an unwavering commitment to customer satisfaction, we deliver high-quality, customized solutions that drive success. Every day, our team brings a unique blend of passion and precision, ensuring your goals are met with excellence—because your mission matters. Experience the Key High difference.
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Key High Vacuum Products, Inc.
36 Southern Boulevard, Nesconset, NY 11767
1-631-360-3970
© 2025 Key High Vacuum Products, Inc.