Spiral wound gaskets combine metal winding with graphite or PTFE filler for medium/high pressure flanges. Per HG/T 20610-2009: types A/B/C/D, DN10-DN2000, PN1.6-PN100, 3.2/4.5mm thick, graphite filler to 550C.
Key Specifications
| Item | Parameter |
|---|---|
| Nominal Diameter | DN10 ~ DN2000 |
| 公称压力 | PN1.6 / PN2.5 / PN6 / PN10 / PN16 / PN25 / PN40 / PN63 / PN100 |
| 垫片Thickness | 3.2mm（常用）、4.5mm，另有 2.5 / 6.4 / 7.2mm |
| 金属带Material | 304、304L、316、316L、321、碳钢、钛、蒙乃尔等 |
| 填充带Material | 柔性石墨、聚PTFE乙烯（PTFE）、无石棉纸 |
| Service Temperature | 石墨填充约 -196~+550℃；PTFE填充约 -196~+200℃ |
| Sealing Face | 突面 RF、凹凸面 MFM、榫槽面 TG |
Applications
- Petrochemical high-pressure flanges
- Power plant steam lines and boilers
- Refinery and fertiliser units
- Valves, reactors and towers
- Thermal cycling equipment
For quotations, samples or custom cutting of Spiral Wound Gasket, contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Spiral Wound Gasket product page for details.