 |
 |
| Used as flange gasket for piping, valve bonnet, pressure vessel,
etc. handling high temperature/high pressure steam, oil, oil gas, solvent, thermal oil, etc. |
|
| Name |
Filler material |
Basic Design |
with Outer Ring |
with Inner Ring |
with Inner
/Outer Ring |
 |
 |
 |
 |
| CLEANTIGHT |
Non-asbestos inorganic paper |
No.8590 |
No.8591 |
No.8592 |
No.8596 |
| Lined CLEANTIGHT |
Non-asbestos inorganic paper VALQUAFOIL tape |
No.8590L |
No.8591L |
No.8592L |
No.8596L |
| BLACKTIGHT |
VALQUAFOIL tape |
No.6590 |
No.6591(1) |
No.6592 |
No.6596 |
| WHITETIGHT |
VALFLON tape |
No.7590 |
No.7591(1) |
No.7592 |
No.7596 |
|
| Note (1) |
We recommend No.6596 and No.7596 (with inner/outer rings)
because No.6591 and No.7591
(with outer ring) may cause abnormal deformation inside, depending on usage condition. |
|
| Other information |
|
• Gasket with partition bar for
heat exchanger |
--------- |
For ordering a product with the partition, specify size and flat
shape with "Y."
(ex.) Valqua No.8590V-ZEZYZ |
| • Non-circular
gasket |
--------- |
For ordering a non-circular product (oval, ellipse, square, etc.),
specify size and flat shape with "E."
(ex.) Valqua No.8590V-ZEZEZ |
• Gasket
for nuclear power station
use (AE-processed) |
--------- |
For ordering a product for use where halogen ion or fat oil should
be avoided, such as for a cooling system of a nuclear power station, specify "E."
(ex.) Valqua No.6596V-EEEZE |
|
| Metal materials |
|
| SUS304 |
aluminum |
| SUS304L |
titanium |
| SUS316 |
nickel |
| SUS316L |
Monel metal |
| SUS321 |
SPCC(inner/outer ring only) |
| SUS347 |
|
|
Applied standard
• JIS B 2404
• JPI-7S-41
• ASME B16, 20 |
Related standard
• JIS F 7102 |
|
|
| Manufacturing Range |
unit:mm |
|
| gasket thickness |
inside diameter |
| 6.4(W) |
300 4000 |
| 4.5(V) |
103000 |
3.2(T)
|
101500 |
| 1.6(P) |
10150 |
|
| Remarks: |
|
Product of gasket thickness 1.6 mm is available
only for the basic shape and SUS 316 loop. |
|
|
| Standard Size |
|
Available usage range
• for JIS pipe flanges
• for JPI and ASME/ANSI pipe flanges
The manufacture range includes gaskets for standard pipe flanges per API, MSS, etc. and for equipment such
as heat exchangers, pressure vessels, and valve bonnets. |
|
| Available usage range |
|
| Valqua No. |
Temperature range  (1) |
Pressure limitation
MPaokgf/cm2p |
| 8590 series |
-200500 |
29.4o300p |
| 8590L series |
-200600 |
29.4o300p |
6590 series
|
-270450 |
29.4o300p |
| 7590 series |
-260300 |
19.6o200p |
|
| Note |
(1) The temperature range above depends on the materials
of hoop and inner/outer rings. |
|
