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Wenzhou Yiyu Sealing Material Co., Ltd.

Spiral Wound Gasket, Gasket, Wound Gasket manufacturer / supplier in China, offering Asme Spiral Wound Gasket (Carbon steel), Flexible Graphite Spiral Wound Gasktet with Inner Ring, Flexible Graphite Spiral Wound Gasktet Basic Type and so on.

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Asme Spiral Wound Gasket (Carbon steel)

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Min. Order: 1 Piece
Payment Terms: T/T, Western Union

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Basic Info
  • Style: Mechanical Seal
  • Function: Fixed Sealing
  • Material: Graphite
  • Shape (For Gasket): Ring Gasket
  • Application: Flange Seal
  • Specification: Standard
Product Description
ASME spiral wound gasket
1. Max. Machinable size: ~2800
2. Working temperarure: -196~700

ASME spiral wound gasket

Structure

The spiral gasket consists of "v-shape"(or"w-shape")metal tape and nonmetal tape, which are overlapped each other and wound continuously. To fasten the metal tape, both its start point end point are tack welded.

Performance and features

1. Wide range of applicable working condition, high temperature and high pressure resistance. Applicable to super low temperature and vacuum condition. Chemical resistant gasket is available under various medium, through change of composition of gasket.

2. Strong strees compensation. Stable and reliable sealing performance even under frequent pressure fluctuation condition.

3. Perfect sealing performance.

4. Normal requirment of flange surface finishing which contact with gasket.

5. Easy installation and low pre-tightening stress of gasket.

Kind of gasket

1. A. Spiral wound gasket consists of four types: Basic type, with inner ring, with outer ring, and with inner and outer rings.

B. Heat exchanger spiral wound gasket: Basic type and with inner and outer rings

2. Normally material used:

A. Steel tape: 08F

Ocr13, ocr18Ni9Ti. 1Cr18Ni9Ti(321). Ocr17Ni12, M02(316), and 0Cr17Ni14M02(316L)

B. (Cold roll)steel plate for inner and outer ring:

Outer ring "mild steel, ocr13 and OCr18Ni9

Inner ring: Same as steel, special order is available through negotiation.

C. Normetal tape: Flexible graphite, special made asbestos, teflon and non-asbestos paper.

Scope of Application

1. Working temperarure: -196~700(Not higher than 600 in oxidic medium)

2. Working pressure: <=25MPa

3. Gasket coefficient: M=2.5~4

4. Min. Pre-tightening specific pressure: Y=68MPa

5. Max. Machinable size: ~2800
 PN2.0MPa(class150)PN5.0MPa(class300)PN11.0MPa(class600)TT1
NPS ( inch)DND1D2D3D4D1D2D3D4D1D2D3D4
1/2"1514.219.131.846.514.219.131.852.514.219.131.852.54.53
3/4"2020.625.439.65620.625.439.666.520.625.439.666.5
1"2526.931.847.865.526.931.847.87326.931.847.873
1-1/4"3238.147.860.57538.147.860.582.538.147.860.582.5
1-1/2"4044.554.169.984.544.554.169.994.544.554.169.994.5
2"5055.669.985.9104.555.669.985.911155.669.985.9111
2-1/2"6566.582.698.6123.566.582.698.612966.582.698.6129
3"8081101.6120.7136.581101.6120.7148.581101.6120.7148.5
4"100106.4127149.4174.5106.4127149.4180106.4120.7149.4192
5"125131.8155.7177.8196131.8155.7177.8215131.8147.6177.8240
6"150157.2182.6209.6221.5157.2182.6209.6250157.2174.8209.6265
8"200215.9233.4263.7278.5215.9233.4263.7306209.6225.6263.7319
10"250268.2287.3317.5338268.2287.3317.5360.5260.4274.6317.5399
12"300317.5339.9374.7408317.5339.9374.7421317.5327.2374.7456
14"350349.3371.6406.4449349.3371.6406.4484.5349.3362406.4491
16"400400.1422.4463.6513400.1422.4463.6538.5400.1412.8463.6564
18450449.3474.7527.1548449.3474.7527.1595.5449.3469.9527.1612
20500500.1525.5577.9605500.1525.5577.9653500.1520.7577.9682
22550552.5577.9635659552.5577.9635704552.5577.9635733
24600603.3628.7685.8716.5603.3628.7685.8774603.3628.7685.8790
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