✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Elegant Vacuum Sealing Assembly For 40mm Dia Tube Furnace With Valve / Vacuum Meter - Fl-40 Save 70% Now [UFRJ5G72]

$51.99 $166.99 -69%

This is a pair of a smart sealing assembly for tube vacuum furnace to tighten both ends of OD 40mm ( 1.5" - 1.6 " OD) tube without any welding and gluing.SPECIFICATIONSFeaturesMade of Stainless Steel with double high-temperature silicone O-rings ( 30

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Elegant Vacuum Sealing Assembly For 40mm Dia Tube Furnace With Valve / Vacuum Meter - Fl-40 Save 70% Now [UFRJ5G72]

This is a pair of a smart sealing assembly for tube vacuum furnace to tighten both ends of OD 40mm ( 1.5" - 1.6 " OD) tube without any welding and gluing.

SPECIFICATIONS

Features
  • Made of Stainless Steel with double high-temperature silicone O-rings ( 300°C Max) on each side flange.
  • One end of the flange has a vacuum meter with a valve, and another end has a valve and barbed fitting as default.
  • Sealing tubes by tightening screws on the flange without any welding and glue.
  • 1/4" diameter barbed fitting can be connected with 1/4" rubber hose, KF25 fitting is optional.
  • Excellent for any type of tubing: ceramic, glass, quartz, and steel pipe.
  • Optional for single side or complete side flange
Vacuum Level
  • 10E-2 torr by a mechanical pump
  • 10E-5 torr by a small turbopump and 
  • 10-6 torr by hi-speed turbopump
Warning
  • Must put a refractory tube block in front of the flange ( see picture below ) to avoid heat radiation melt silicone O-ring. You may order a ceramic block in related products.
  • Please do not over tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs.
  • For liability considerations, MTI does not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns.
Package included (the whole set) Left side flange set with gauge and valve, right side flange set with valve, two steel sealing rings, four high-temperature silicone O-rings ( 300°C Max.) and six hex screws

Optional Parts (order separately)
                    

 

What Our Customers Say

January 17, 2026

Absolutely no complaints!

The product quality is absolutely so very excellent.

- Rhiannon T..

January 17, 2026

Absolutely no complaints!

A great item. And very, very good, great, good quality.

- Iorwerth T..

January 17, 2026

Absolutely no complaints!

A small investment for such amazing quality.

- Isolde O..

Write a Review

You Might Also Like

Discover more great products from our collection.

Sublimated Mesh Shorts

Sublimated Mesh Shorts

(862)
$39.99 $127.99 -69%
Giove Stars Necklace

Giove Stars Necklace

(67)
$142.99 $457.99 -69%
Japanese Sashiko Parquet

Japanese Sashiko Parquet

(902)
$27.99 $89.99 -69%
Tostador digital Plus Delux

Tostador digital Plus Delux

(580)
$16.99 $54.99 -69%
Mandy Black Block Therafit

Mandy Black Block Therafit

(904)
$31.99 $102.99 -69%
PDXC21163 -- Fern Frond

PDXC21163 -- Fern Frond

(758)
$100.99 $323.99 -69%

Copyright 2026 © technovaprecision.com

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY