1710 SPIRAL WOUND GASKET
Spiral wound gaskets can be used for fluid sealing, the pressure can reach 250bar, and the applicable temperature is -200°C to 1000°C, the gasket is widely used in oil, gas, petrochemical and engineering industries.
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Spiral wound gaskets can be used for fluid sealing, the pressure can reach 250bar, and the applicable temperature is -200°C to 1000°C, the gasket is widely used in oil, gas, petrochemical and engineering industries.
MODEL SPECIFICATIONS
| NO. | Type | Thickness(mm) | |
|---|---|---|---|
| 1711 | Basic form | 3.2 | 4.5 |
| 1712 | With inner ring | 4.5 | |
| 1713 | With outer ring | 4.5 | |
| 1714 | With inner and outer ring | 4.5 | |
Structure type
| Filler | Hoop | IR | OR |
|---|---|---|---|
| Asbestos | SUS 304 | CS | CS |
| Graphite | SUS 316 | SUS 304 | SUS 304 |
| PTFE | SUS 316L | SUS 316 | SUS 316 |
| SUS 316L | SUS 316L |
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 | 130-180 | -250 - +550 |
| Stainless steel | 316 | 130-180 | -100 - +550 |
| Stainless steel | 316L | 130-190 | -100 - +550 |
The outer ring is generally manufactured from carbon steel with an anti corrosion treatment The table below may be used for determining the correct filler:
| Filler material | Temperature °C | Max operating pressure(kg/cm2) |
|---|---|---|
| Graphite | -200-+500 | 250 |
| Asbestos | -150-+450 | 100 |
| PTFE | -240-+260 | 100 |
Flange tyke and Spiral Wound Gasket form:
| Flange type | Shape |
|---|---|
| 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 | ±0.24 |
Tolerances of ID & OD:
| 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 ≤1600 | >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 0.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 |