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垫片材料选择指南
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垫片材料选择指南
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Gasket Material Select Guide
(4)
Type Style Number
Gasket Factor
m
Min. Loading Stress
y (MPa)
Working Range
Page
Temperature (
℃
) Pressure (bar)
Semi-Metallic Gasket
Spiral Wound Gasket
ZW#659X system (Graphite filler) 3.0 69 -200~450
(1)
300
5-8
ZW#759X system (Expanded PTFE filler) 3.0 69 -200~260 200
ZW#859X system (Non-Asbestos filler) 3.0 69 -150~250 300
ZW#959X system (Complex
e.g.Mica/Graphite
(2)
) 3.0 52 -200~750 100
Kammprofile Gasket
ZW#70X system
2.0
Graphite 28
ePTFE 28
Mica 40
Graphite -200~450
(1)
ePTFE -200~260
Mica -100~1000
Graphite
400
ePTFE 200
Mica 20
14
ZW#80X system (Convex)
Metal Jacketed Gasket
ZW#5200/ZW#6200 (Single w/FG both sides)
3.25~3.75 38~62
Copper:-100~
315
Aluminum:-200~
425
304SS:-200~540
(3)
70
16
ZW#5800/ZW#6800 (Double w/FG both sides)
ZW#5100 (Corrugated) 2.5~3.5 20~45 68
Metal Corrugated
Gasket
ZW#5000/ZW#5010 2.0 26 304SS:-200~540
(3)
250
Metal Reinforced
Graphite Gasket
ZW#6600 Frenzelit novaphit
®
SSTC XT 2.5 25 -200~550 250 26
ZW#3600-N/F/T
Z
W#3600-N:2.0
ZW#3600-F:2.0
ZW#3600-T:2.5
ZW#3600-N : 8
ZW#3600-F : 8
ZW#3600-T : 8
-200~450
(1)
150
27
ZW#3632 MRG
2.5
25
-
200
~
550
250
Metallic
Gasket
Metal Ring-Joint Gasket
ZW#5500 system
Soft Iron:5.5
Monel:6.0
F5:6.0
SS:6.5
Alloy
:6.5
Soft Iron
:124
Monel:150
F5:150
SS
:180
Alloy:180
E.G.:304SS
-250~540
(4)
Flange Rating
150#~20000#
18-19
Non-Metallic Gasket
Non-Asbestos Sheet
Gasket
ZW#3000 2.75 26 -50~350 60 22
Flexitallic
®
SF 2400 3.2 20 -40~400 100 23
ZW#8800 Frenzelit novapress
®
Basic 2.5 12 -50~300
85(water,stea
m), 80(other)
24
Fiber-reinforced
Graphite gasket
ZW#9500 Frenzelit novatec
®
Premium XP 2.5 16 -100~450 100 25
Graphite
ZW#3600-P Graphite Gasket/ZW#3700 Graphite
Tape/ ZW#3800 Graphite Ring
2.0 8 -200~450
(1)
150 27
Thermiculite
®
Gasket –
High Temperature
Flexitallic
®
Thermiculite
®
815 2.0 17 -200~1000 200
28
Flexitallic
®
Thermiculite
®
715 3.0 20 -40~454 140
Filled PTFE Gasket Flexitallic
®
Sigma500/Sigma511/Sigma533
Sigma500 : 1.4
Sigma511 : 1.4
Sigma533 : 1.4
Sigma500 : 13
Sigma511 : 16
Sigma533 : 16
-200~260
85(1.5T),
80(2.0T),
75(3.0T)
29
Pure PTFE Gasket ZW#7500 3.0 20 -100~150 10
30
PTFE Envelope Gasket ZW#7530
、
7531
、
7535 3.0 20 -100~150 20
Expanded PTFE
Envelope gasket
Metal Corrugated Gasket with GORE
®
GR 2.5 19.3 -268~315 200 35
Expanded PTFE Gasket
GORE
®
GR 2.5 19.3 -268~315 200 31
GORE
®
UPG (Style800) 2.4 10.6 -268~315 200 32
GORE Gasket Tape, Joint Sealant(incl.500/600
system
)
2.5 19.3 -268~315 200 33-34
ZEALON ZW#70XX system (expanded PTFE joint
sealant, Tape)
2.0 20.7 -268~260 200 36
Rubber Sheet Gasket
ZW#2200 CR, ZW#2300 NBR, ZW#2600 EPDM 0.5 0 -20~90 55
46 ZW#2500 VITON(FKM) 0.5 0 -30~120 55
ZW#2700 SBR 0.5 0 -30~90 55
Oil-Proof Paper Jointing
Sheet Gasket
ZW#2900 0.5 0 Max. 120 8 48
Cork Rubber Sheet
Gasket
ZW#2950 0.5 0 -30~110 15~60 49
Note:(1)
(2)
(3)
(4)
(5)
(6)
The max. temperature of Graphite is 450
℃
in air, and max. 650
℃
in reducing atmosphere. If over than 450
℃
, please contact with our technical division.
Spiral filler materials are available as per customer demand.
If metal gasket is with Graphite on both sides, the gasket max. temperature shall refer to Note(1).
Metal material properties please refer to page 19.
Most gaskets can’t reach the working range in max. pressure and max. temperature at the same time. If similar requirement, please contact with us.
Chemical Compatibility Chart of various gasket materials are available, please contact with us.
![](https://csdnimg.cn/release/download_crawler_static/89272690/bg2.jpg)
Spiral Wound Gasket
Spiral Wound Gasket is made of alternate piles of V-preformed
hoop and soft filler that are tightly and spirally wound together.
According to the need of the mating flange, the gasket is provided
with an outer ring, an inner ring or both outer and inner rings.
The outer ring serves as a compression stop, anti-blowout device,
which properly centers the gasket on the flange. The inner ring acts
as a compression stop and is used to fill the annular space
between the flange bores and the gasket inside diameter to
minimize trubulence of process fluids and erosion of flanges faces.
The spiral wound outer or inner rings are used primarily as
reinforcement and are chosen instead of a solid metal ring,
because of lower costs or because of limited space when the use
of a solid metal ring would be prohibited due to the difficulty in
fabrication or usage. ZW spiral wound gaskets can be
manufactured in accordance with all relevant gasket standards to
suit various flange designation such as ASME/ANSI B16.5, API 605 (ASME B16.47 Series B), MSS SP-44 (ASME
B16.47 Series A), AWWA, CNS, DIN and JIS. The size is available from OD 1/2” to 5000mm. Please note the gaskets
for non-standard flanges or heat exchanger with partitions are also readily available. Low stress spiral wound gasket
could replace normal non-metallic gasket in ANSI 150#/300# Flange under lower torque, about only 60% of traditional
spiral wound gasket.
®
●Style
Style Profile
Soft Filler Material
Graphite ePTFE Non-Asbestos
Complex
Basic
ZW#6590 ZW#7590 ZW#8590 ZW#9590
With Outer Ring
ZW#6591 ZW#7591 ZW#8591 ZW#9591
With Inner Ring
ZW#6592 ZW#7592 ZW#8592 ZW#9592
With Inner and
Outer Ring
ZW#6596 ZW#7596 ZW#8596 ZW#9596
Double Spiral
Custom-made
※
ZW#6596 had approved by API 6FB fire test
Complex means customize by two soft filler materials as the following, e.g.: Graphite, ePTFE, Non-Asb., Mica,
Ceramic…etc.
Standard e.g.
: ZW#9596 – Mica / Graphite / Mica
The complex soft filler, e.g. Mica , then Graphite, and then Mica, the construct
designed for Mica filler covered the outside of Graphite filler to isolate oxygen.
Graphite is flexible to meet the flange surface and allow the use of high
temperature in the non-oxidizing space, and Graphite will not pollute the media.
※
Below Special styles are also available as per customer’s requirement
Special
5)
Mica
Graphite
![](https://csdnimg.cn/release/download_crawler_static/89272690/bg3.jpg)
Spiral Wound Gasket
●Working Range
Filler Material
Temperature (
°
C)
Pressure (bar)
Graphite
-200~450(air)
650(reducing atmosphere)
300
Expanded PTFE -200~260 200
Non-Asbestos -150~250 300
Mica / Graphite / Mica -100~750 100
●Selection Guide
Flange Face
Unsuitable Unsuitable
Suitable
1/2
”
~24
”
150#~600#
Suitable
1/2
”
~60
”
300#~1500#
Suitable
1/2
”
~60
”
300#~1500#
Unsuitable Unsuitable
Suitable
1/2
”
~60
”
150#~1500#
Unsuitable Unsuitable
Suitable
1/2
”
~24
”
150#~600#
Suitable
1/2
”
~24
”
150#~600#
Unsuitable Unsuitable Unsuitable
Suitable
1/2
”
~60
”
150#~1500#
Suitable
1/2
”
~60
”
150#~1500#
Unsuitable Unsuitable Unsuitable
●Standard Thickness Selection
Gasket Thickness Flange Nominal Size
3.2 mm (0.125 in) < φ 1500 mm
4.5 mm (0.175 in) < φ 3000 mm
6.4 mm (0.250 in) < φ 3500 mm
7.2 mm (0.285 in) < φ 5000 mm
(6)
![](https://csdnimg.cn/release/download_crawler_static/89272690/bg4.jpg)
Spiral Wound Gasket
The Identification of Metallic Winding Materials and Fillers
The Color Coding on Outer Ring
For clear identification, ZW spiral wound gaskets nominate a color-coding system around the outside edge of the
outer ring, thus allowing full identification of both the winding strip and filler materials in according to ASME B16.20.
●Metallic Winding Materials
The metallic winding material is designated by solid color identification around the outside edge of the outer ring
●Non-Metallic Fillers Materials
The gasket filler materials are designated by a number of strips marked at equal intervals around the outside edge of
the outer ring
* Hastelloy
®
is a registered trademark of Haynes International.
INCOLOY
®
and INCONEL
®
are registered trademarks of Inco Alloys International, Inc.
MONEL
®
is a registered trademark of International Nickel.
(7)
304SS
Yellow
316LSS
Green
317LSS
Maroon
321SS
Turquoise
347SS
Blue
310SS
No color
304LSS
No color
309SS
No color
430SS
No color
Alloy 20
Black
Titanium
Purple
Inconel
®
600/625
Gold
Inconel
®
800/825
White
Inconel
®
X750
No color
Hastelloy
®
C276
Beige
Hastelloy
®
B2
Brown
Nickel 200
Red
Zirconium
No color
Carbon Steel
Silver
Monel
®
Orange
Flexible Graphite/F.G.
Grey strip
PTFE
White strip
Ceramic / CER
Light green strip
Mica/Vermiculite
Light blue strip
![](https://csdnimg.cn/release/download_crawler_static/89272690/bg5.jpg)
Spiral Wound Gasket
Order Code
ZW # 6 5 9 0 – M M E
※
Order example: ZW 6596 MME stands for a combination of Monel 400 & Graphite winding, Monel 400 inner ring, and 304SS outer ring.
※
The material of Inner ring should match the winding material.
※
Winding metal strip thickness 0.15mm~0.23mm
● Gasket Marking/Stamp follow ASME B16.20
(8)
Filler Material
6 Flexible Graphite
7 PTFE
8 Non-Asbestos
9 Complex
Style
0 Basic
1 With Outer Ring
2 With Inner Ring
6 With Inner and Outer Ring
Inner Ring Material
S
Low Carbon Steel
Y
Inconel 600, 625
E
304SS
Y1
Inconel X750
L
304LSS
W
Incolel 800(H), 825
G
316SS
T
Titanium
H
316LSS
X1
Hastel
loy B2,B3
O
310SS
X2
Hastelloy C276
P
316Ti SS
X3
Hastelloy C22
Q
317LSS
A
Aluminum
J
321SS
C
Copper
K
347SS
B
Bronze
R
410SS
Z
Zirconium 702
U
430SS
I1
Duplex S31803/S32205
F
904LSS
I2
Alloy 20
M
Monel 400
I3
Super Duplex S32750
N
Nickel 200
Outer Ring Material
S
Low Carbon Steel
Y
Inconel 600, 625
E
304SS
Y1
Inconel X750
L
304LSS
W
Incolel 800(H), 825
G
316SS
T
Titanium
H
316LSS
X1
Hastelloy B2,B3
O
310SS
X2
Hastelloy C276
P
316Ti SS
X3
Hastelloy C22
Q
317LSS
A
Aluminum
J
321SS
C
C
opper
K
347SS
B
Bronze
R
410SS
Z
Zirconium 702
U
430SS
I1
Duplex S31803/S32205
F
904LSS
I2
Alloy 20
M
Monel 400
I3
Super Duplex S32750
N
Nickel 200
Winding Strip Material
E
304SS
Y
Inconel 600, 625
L
304LSS
Y1
Inconel X750
G
316SS
W
Incolel 8
00(H), 825
H
316LSS
T
Titanium
O
310SS
X1
Hastelloy B2,B3
P
316Ti SS
X2
Hastelloy C276
Q
317LSS
X3
Hastelloy C22
J
321SS
A
Aluminum
K
347SS
C
Copper
R
410SS
B
Bronze
U
430SS
Z
Zirconium 702
F
904LSS
I1
Duplex S31803/S32205
M
Monel 400
I2
Alloy 20
N
Nickel 200
I3
Super Duplex S32750
ZW trademark
Manufactured to ASME B16.20 latest
edition or applicable dimensional and
quality specifications
Nominal Pipe Size and Pressure
Class or special specifications
Inner Ring Material
Winding Metal and F
iller Material
Outer Ring Material
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