Spiral Wound Gasket Spw Gasket
| Negotiable | 100 Pieces (MOQ) |
Min. Order:
100 Pieces
Port:
Ningbo, China
Payment Terms:
L/C, T/T
Cixi Hongye Sealing And Packing Co., Ltd.
Zhejiang, China
Last Login Date:
Sep 11, 2024
Business Type:
Manufacturer/Factory, Trading Company
Product Description
Company Info
Product Description
CHYGRA Spiral Wound Gaskets can be used to seal fluid
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
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
| 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 | |||
| Structure type: | ||||
| Filler | Hoop | Inner ring | Outer ring | |
| Asbestos | SUS 304 | Carbon steel | Carbon steel | |
| 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 | 304 | 130~180 | -250~+550 | |
| Stainless steel 316 | 316 | 130~180 | -100~+550 | |
| Stainless steel 316L | 316L | 130~190 | -100~+550 | |
| The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment. | ||||
| The table below may be used for determining the correct filler. | ||||
| Filler material | Temperature(°C) | Max operating pressure(kg/cm 2 ) | ||
| Graphite | -200~550 | 250 | ||
| Asbestos | -150~450 | 100 | ||
| PTFE | -240~260 | 100 | ||
| 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 | ||||
| Tolerances of thickness | ||||
| Item | Thickness(mm) | Tolerances(mm) | ||
| Gasket thickness | 4.5, 3.2 | 0.2 | ||
| -0.1 | ||||
| Ring thickness | 3 | ±0.24 | ||
| The table below specifies the production diameter tolerance (Nominal pipe diameter for flanges in accordance with): | ||||
| DIN (mm) | ANSI B16.5 | API 605 | Tolerances | |
| BS1560 (mm) | ||||
| Mss sp-44 | ||||
| Inner ring I.D. | <=600 | <=24" | >=26" and <=34" | ±0.5 |
| Gasket I.D. | >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 | ||
| Note:1.We also can produce according to JIS.JPI standards or client request. | ||||
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