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China Sunway Sealing Material Factory establish on October 1991, specialized in making the seal gasket, spiral wound gasket, spiral wound gaskets and seal packing. We study scientific sealed technology and theory from domestic and international actively, also adopt the advanced production technology and upgrade the equipment in order to improve product quality constantly. In line with the aim, that prestige is at all, quality is the most important. In the field of petrochemical industry, electrical power, machinery, shipping, pharmacy and automobile industry, more and more customer trust us! Our product including the static sealing gasket, spiral wound gasket, spiral wound gaskets and sealing packing which used in every kind of the pumps and valves, it can resistant corrosion acid and alkali, exist in higher or lower temperature and high pressure. |
| SPIRAL WOUND GASKET G1004 |
| Spiral Wound Gaskets can be used to seal fluid pressure up to 250 bar cryoprnices temperature as low as -200¡ãC and up to elevated temperature of 1000¡ãC. Products are widely used in the oil, gas, petrochemical process and engineering industries. |
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Spiral wound gaskets type:
The table below may be used for selected material of inner ring and winding metal.
| Trade name |
AISI |
Hardness(HB/HV) |
Temperature(¡ãC) |
| Stainless steel 304 |
304 |
130~180 |
-250~+550 |
| Stainless steel 316 |
316 |
130~180 |
-100~+550 |
| Stainless steel 316L |
316L |
130~190 |
-100~+550 |
| The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment. |
The table below may be used for determining the correct filler.
| Filler material |
Temperature(¡ãC)
|
Max operating pressure(kg/cm2) |
| Graphite |
-200~550 |
250 |
| Graphite |
-200~550 |
250 |
| PTFE |
-240~260 |
100 |
Flange type and Spiral Wound Gasket form
| Flange type |
Spiral Wound Gasket form |
| Flat face flange(F.F) |
Gasket with an outer ring |
| Gasket with an inner and outer ring |
Raised face flange(R.F)
|
Gasket with an outer ring |
| Gasket with an inner and outer ring |
Male and female flange
(M & F) |
Basic form gasket |
| Gasket with an inner ring |
Tongue and groove flange
(T & F)
|
Basic form gasket |
| Gasket with an inner ring |
Flat and groove flange
(F & G)
|
Basic form gasket |
| Gasket with an inner ring |
Tolerances of thickness
| Item |
Thickness(mm) |
Tolerances(mm) |
| Gasket thickness |
4.5, 3.2 |
+0.2
-0.1 |
| Ring thickness |
3.0 |
¡À0.24 |
| The table below specifies the production diameter tolerance (Nominal pipe diameter for flanges in accordance with): |
| |
DIN (mm) |
ANSI B16.5
BS1560 (mm)
Mss sp-44 |
API 605 |
Tolerances |
Inner ring I.D.
Gasket I.D. |
<=600 |
<=24" |
>=26" and <=34" |
¡À0.5 |
| >600 and <=800 |
>24" and <=34" |
>=36" and <=60" |
¡À0.9 |
| >800 and <=1600 |
>34" and <=60" |
|
¡À1.3 |
| >1600 |
>60" |
|
¡À1.6 |
| Gasket O.D. |
<=600 |
<=24" |
<=24" |
¡À0.9 |
| >600 and <=160000 |
>24" and <=60" |
>24" and <=60" |
¡À1.8 |
| 1600 |
>60" |
|
¡À2.2 |
| Outer ring O.D |
|
|
>=1/2" and <=60" |
¡À0.9 |
| <=600 |
<=24" |
|
0-1.0 |
| >600 and <=1000 |
>24" and <=34" |
|
0-1.8 |
| >1000 and <=1600 |
>34" and <=60" |
|
0-2.2 |
Note:1.We also can produce according to JIS.JPI standards or client request
sealing materials
|
 |
| Our factory establish
on October 1991,specialized in making the seal gasket and seal
packing. We study scientific sealed technology and theory from
domestic and international actively, also adopt the advanced
production technology and upgrade the equipment in order to improve
product quality constantly. In line with the aim, that prestige
is at all . . . >>MORE |
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