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USA INDUSTRIALS Vacuum Tube Ring, 304 Stainless Steel, 1/2 in OD, ZUSA-TF-VAC-81 - Vacuum Tube Rings
USA INDUSTRIALSVacuum Tube Rings

USA INDUSTRIALS Vacuum Tube Ring, 304 Stainless Steel, 1/2 in OD, ZUSA-TF-VAC-81

The USA INDUSTRIALS Vacuum Fitting Centering Ring (MPN ZUSA-TF-VAC-81) is a 304 stainless steel vacuum tube ring with a 1/2 in OD. It is rated for vacuum service to 10-7 torr @ 72°F and does not include a screen.

SKU 3G-OTH-654123

Also listed as: ZUSATFVAC81 · ZUSA TF VAC 81

Brand
USA INDUSTRIALS
Item
Vacuum Tube Ring, 304 Stainless Steel, 1/2 in OD, ZUSA-TF-VAC-81
Part Number
ZUSA-TF-VAC-81
Category
Vacuum Tube Rings
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

USA INDUSTRIALS
Manufacturer Part Number
ZUSA-TF-VAC-81
Vacuum Rating
10-7 torr @ 72°F
Includes Screen
Screen Not Included
Stainless Steel
304

Technical Documents

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USA INDUSTRIALS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The USA INDUSTRIALS Vacuum Fitting Centering Ring (MPN ZUSA-TF-VAC-81) is a 304 stainless steel vacuum tube ring with a 1/2 in OD. It is rated for vacuum service to 10-7 torr @ 72°F and does not include a screen.

Frequently Asked Questions

What is a vacuum fitting centering ring used for?

A vacuum fitting centering ring aligns and seals flanged connections in high-vacuum systems. This 304 stainless steel ring from USA INDUSTRIALS is rated to 10⁻⁷ torr @ 72°F, making it suitable for semiconductor, research, and industrial vacuum chambers.

What are the specifications of the USA INDUSTRIALS centering ring ZUSA-TF-VAC-81?

This centering ring has a 1/2 in OD, is made of 304 stainless steel, and carries a vacuum rating of 10⁻⁷ torr @ 72°F. It does not include a screen. The manufacturer part number is ZUSA-TF-VAC-81.

Where to buy a USA INDUSTRIALS vacuum centering ring worldwide?

3G Electric supplies and delivers the USA INDUSTRIALS vacuum centering ring ZUSA-TF-VAC-81 worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time.

How to install a vacuum centering ring?

Place the centering ring between two vacuum flanges, ensuring the O-ring groove faces the sealing surface. Tighten flange bolts evenly in a cross pattern to the manufacturer's torque specification. Verify the seal with a leak detector before pulling full vacuum.

Used in

Common applications for USA INDUSTRIALS
Chemical processing — USA INDUSTRIALS FEP-encapsulated silicone cam-and-groove gaskets for corrosion-resistant sealing in coupling systems.
Food and beverage — USA INDUSTRIALS food-grade FKM cam-and-groove gaskets for sanitary fluid transfer in processing lines.
Water treatment — USA INDUSTRIALS 304 stainless steel gate valves for isolation in piping systems handling non-potable water.
Oil and gas — USA INDUSTRIALS brass ball valves for manual shut-off in low-pressure gas or fluid lines.
Pharmaceutical manufacturing — USA INDUSTRIALS 316 stainless steel globe valves for precise flow control in clean-room environments.
General industrial MRO — USA INDUSTRIALS polypropylene cam-and-groove fittings for temporary hose connections in plant maintenance.
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USA INDUSTRIALS Products

3G Electric supplies USA INDUSTRIALS vacuum tube rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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