Flange seal gasket ss316/ss304 ASME B16.20 spiral wound gasket

$0.15 - $6.00
Min. Order
1 Piece
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Company Information

Hengshui Yingli Import And Export Co., Ltd.

CN Trading Company
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US$ 2,000+
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Quick Details

Port: Tianjin port
Payment Terms: L/C,T/T,Western Union,MoneyGram,RMB
Supply Ability: 1000000 Kilogram/Kilograms per Year
Place of Origin: Hebei China
Brand Name: Tension
Model Number: Standard
Product name: Spiral Wound Gasket
Type: Basic, with inner ring, with outer ring
Material: F.G.,PTFE,CS, CER,304,316L,Ni,Ti, IN 800,etc
Standard: ASME B16.20, DIN Standard
Color: yellow,light green,black,gray,red,orange,etc
Size: DN15-DN600/ Class150~2500
Thickness: 3mm/4.5mm
Application: chemical industry, valve, steam, etc
Packing: Wrap film+wooden case
Feature: Resistance to high temperature and corrosion
Packaging Detail: Membrane + wooden case

Flange seal gasket ss316/ss304 ASME B16.20 spiral wound gasket

Product Description
Usually made of high-quality SUS304, SUS316 ("V" or "W" shape) and other stainless steel winding tape and graphite, asbestos, PTFE, non-asbestos and other soft materials are alternately spirally wound, at the beginning and end The metal strip is fixed by spot welding. The basic metal wound gasket is not used in the middle and low pressure groove surface and the flat or concave surface flange.
Product Standards:
We deliver according to the following standards: ASME B16.20, ASME  B16.47 Series A, ANSI B16.5, BS1560, BS EN1092, DIN, JIS , etc. Or products can be customized according to the costumer requirements. Please provide the specific drawings if the gasket is used in the heat exchanger with ribs.
1. Basic type        
SWG with wrapped from metal and filler material for bump flanges and grooved flanges
For example: SS304/FG.
2. Inner Ring Type 

SWG with adding a metal inner ring as a pressure stop on the basis of the basic type, while filling the gap between the flange edge and the inner edge of the seal, the design can prevent solid accumulation, reduce fluid impact, and minimize the erosion of the flange surface. For bump flanges.

For  example:  SS304/SS304/FG 

3.Outer Ring Type 

SWG with the outer ring allows the gasket to be accurately placed in the center of the flange and provides additional resistance to prevent the gasket from bursting and becoming a compression stop. Generally suitable for flat and protruding flanges.

For example: SS304/FG CS

4.Inner&Outer Ring Type 

SWG with on the basis of the outer ring type, the inner ring is added as an internal compression stop point, and at the same time, it becomes a resistance body for heat and corrosion, and the sealing surface of the gasket is protected to prevent corrosion of the flange. Suitable for flat and face flanges, especially for high temperature and high pressure applications.

For example: SS304/SS304+FG/CS

Use the equipment:

Flange joints of pipes, valves, pressure vessels, condensers, heat exchangers, towers, manholes, hand holes, etc. in petroleum, chemical, metallurgy, electric power, shipbuilding, gas, nuclear, aerospace, textile, pharmaceutical, machinery and other industries Static seal



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Packaging & Shipping

Packaging Details

Wrapped film and wooden case package

Delivery detail

3-15 days


Our Services

1.prompt reply

we are on duty 24 hours a day for your service.

2.high quality and reasonable price

We have strict quality control of the raw material, production line and quality inspection. What's more, as a direct and experienced factory and manufacturer, we can provide you our sealing sheet and gasket at competitive prices

3.short and believable delivery time

As a factory, we have direct control of production arrangement.

4.good after-sale service

Once problem occurs, we actively cooperate with you to solve it.


1. Q: Can you do OEM? 

A: Yes, we can do OEM products. 

2. Q: Are you a factory or trading company?

A: We have factory in Hebei  with export license

3. Q: Where is your factory located? How can I vist there?

A: Our factory is located in Hengshui city, Hebei province, about 2.5 hours train trip from Beijing. All our clients, from home or abroad, are warmly welcome to visit us!

Company Information

Established in 1980s, Hengshui Yingli Import And Export Co. Ltd has been manufacturing and exporting sealing materials for more than 30 years. Our brand-TENSION is famous all over the world. Annual productivity is 1500 tons, with stable quality and complete specifications.

We have established partnership with many well-known companies in internal over 20 provinces, and external such as US, Korea, Russia, Pakistan, Turkey, Indonesia, Malaysia... And products are well-received from all customers. 

Contact us

We sincerely welcome the old and new friends even international friends visiting our factory and company!

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Alice Smith