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End Gas Sealing Flanges and Manifolds

Specially design to seal Ceramic or Quartz tubes can be used for metallic tubes also

With extensive experience in tube furnace applications and their optimal operating conditions, we can design and offer the most suitable End Gas Sealing Flanges and Manifolds for vacuum or pressure conditions. The GSF_A flange family features a compression-type fitting that compresses a Viton elastomer O-ring gasket between the flange body and the working tube surface, providing a gas seal. These metallic flanges include ports for tubing connections and instrumentation installation.

Ordering Info

Features and Specifications

Provided with the Main Port coaxial with the tube length having either hydraulic thread port port for gases inlet/outlet connection to the tubing network or Clamp Flange (CF) for quick-open loading. Up to four peripheral threads are available serving as ports for instrumentation mounting (e.g thermocouples, pressure sensors).

Since many times the temperature of the sealing flange used in tube furnaces could be high our Gas End Sealing Flanges are standard provided with a cooling fluid recirculation compartment. Cooling compartment shield is removable.

THERMANSYS® End Gas Sealing Flanges are supplied for work tubes diameters from 20 το 140 mm. Their design allows use with tubes having diameter tolerance ± 1 to ± 3mm (see table 1, next page).

Standard versions material of construction is Stainless Steel ASME 304. Optionally for corrosive applications Stainless Steel ASME 316 is available and Aluminum for a light weight solution (recommended for thin wall Quartz tube reactors).

GSF-A Flanges with Hydraulic main port

GSF-A Flanges with Clamp Flange main port

Technical Data

Part Number Shield Outside Diameter (mm) Shield Length (mm) Central Hole Diameter Periphery Grooves No
SHLD-AL-A1-D16L16
16
16
1/8 in
3 x 4 mm
SHLD-AL-A1-D20L16
20
16
1/8 in
3 x 4 mm
SHLD-AL-A1-D25L16
25
16
1/4 in
3 x 4 mm
SHLD-AL-A1-D30L16
30
16
1/4 in
4 x 4 mm
SHLD-AL-A1-D34L20
34
20
1/4 in
4 x 4 mm
SHLD-AL-A1-D42L20
42
20
3/8 in
4 x 6 mm
SHLD-AL-A1-D48L20
48
20
3/8 in
4 x 6 mm
SHLD-AL-A1-D58L30
58
30
3/8 in
6 x 6 mm
SHLD-AL-A1-D68L30
68
30
3/8 in
6 x 6 mm
SHLD-AL-A1-D78L30
78
30
3/8 in
6 x 10 mm
SHLD-AL-A1-D88L40
88
40
1/2 in
6 x 10 mm
SHLD-AL-A1-D98L40
98
40
1/2 in
6 x 10 mm
SHLD-AL-A1-D108L40
108
40
1/2 in
8 x 10 mm
SHLD-AL-A1-D116L40
118
40
1/2 in
8 x 10 mm
SHLD-AL-A1-D126L40
126
40
1/2 in
8 x 10 mm

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