SPIRAL WOUND GASKET
Product Description
pressure up to 250 bar cryoprnices temperature as low as -200°C and up to elevated temperature of 1000°C. Products are widely used in the oil, gas, petrochemical process and engineering industries. |
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Spiral wound gaskets type: |
Type | Thickness(mm) | Basic form | 3.2 | 4.5 | With inner ring | | 4.5 | With outer ring | | 4.5 | With inner and outer ring | | 4.5 |
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Structure type: |
Filler | Hoop | Inner ring | Outer ring | | SUS 304 | Carbon steel | Carbon steel | Graphite | SUS 316 | SUS 304 | SUS 304 | PTFE | SUS 316L | SUS 316 | SUS 316 | | | SUS 316L | SUS 316L |
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The table below may be used for selected material of inner ring and winding metal. |
Trade name | AISI | Hardness(HB/HV) | Temperature(°C) | Stainless steel 304 | 304 | 130~180 | -250~+550 | Stainless steel 316 | 316 | 130~180 | -100~+550 | Stainless steel 316L | 316L | 130~190 | -100~+550 |
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The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment. |
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The table below may be used for determining the correct filler. |
Filler material | Temperature(°C) | Max operating pressure(kg/cm2) | Graphite | -200~550 | 250 | | -150~450 | 100 | PTFE | -240~260 | 100 |
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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 |
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Tolerances of thickness |
Item | Thickness(mm) | Tolerances(mm) | Gasket thickness | 4.5, 3.2 | +0.2 -0.1 | Ring thickness | 3.0 | ±0.24 |
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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" | ±0.5 | >600 and <=800 | >24" and <=34" | >=36" and <=60" | ±0.9 | >800 and <=1600 | >34" and <=60" | | ±1.3 | >1600 | >60" | | ±1.6 | Gasket O.D. | <=600 | <=24" | <=24" | ±0.9 | >600 and <=1600 | >24" and <=60" | >24" and <=60" | ±1.8 | 1600 | >60" | | ±2.2 | Outer ring O.D | | | >=1/2" and <=60" | ±0.9 | <=600 | <=24" | | 0-1.0 | >600 and <=1000 | >24" and <=34" | | 0-1.8 | >1000 and <=1600 | >34" and <=60" | | 0-2.2 |
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Note:1.We also can produce according to JIS.JPI standards or client request. |
YINGLI (TENSION Brand) is an Large Enterprises with the registered capital 82 Million USD, specialized in production of sealing materials .
YINGLI has thirty years experience in research and development of sealing materials production ,as YINGLI has the strongest worker team containing two high skill engineer and sixteen skill workers .YINGLI scientific research and innovation of sealed product is in the leading position of sealing industry.YINGLI has 70 workers, 40% of employees own diploma degree.
YINGLI has 2000 square meters factory area, four modern production workshops, the two warehouses, holding advanced domestic production equipment and perfect product inspection device, we manage enterprise in full accordance with the modern enterprise management mode.
Our Services
- Guarantee samples quality same as mass production quality.
- As we have our own factory, we can ensure the delivery date.
- Our professional team will offer you professional trade service.
- Your inquiry related to our products or prices will be replied within 24hours.
- Offering the support to solve the problem in the application or selling period.
- Competitive prices based on same quality.
FAQ
1. Q: Are you a factory or trading company?
A: We have factory in Hebei with export license. We have the most convenient transportation onditions.
2. 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!
3. Q: Can you do OEM?
A: Yes, we can do OEM products.
4. Q: How does your factory do regarding quality control?
A: "Quality is priority." TENSION Rubber people always attach great importance to quality controlling from the very beginning to the end:
1) All raw material we used are environmental-friendly;
2) Skillful workers care every details in handling the producing and packing process;
3) Quality control department specially responsible for quality checking in each process.