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GH4600–Glass Fiber Impregnant Graphite Packing
2019-09-06
PTFE Envelope Gasket
2019-10-24

Spiral Wound Gasket

Spiral Wound Gasket Dimensions per

DIN Standard

EN1514-2

ASME B16.20(API601) for ASME B16.5 Flanges

For ASME B16.47 Series A  MSS SP 44 fLANGE

ASME B16.20 (API601)for ASME B16.47 Series B  (API605)

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Spiral Wound Gasket

Application:
Static sealing element of pipe, valve, pump, thermal exchange, condensing tower, plain hole and man hole of flange, etc.
Industry: petrochemical, mechanical manufactory, power station, metallurgy, shipbuilding, medical and pharmaceutical nuclear power station and navigation, etc.
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.

       

GHS-A

GHS-B

GHS-C

GHS-D

 

Material

RING MATERIAL FILLER MATERIAL
S 1400 Asbestos
SS 304 Graphite
SS 316 PTFE
SS 316L Non-Asbestos Fiber
SS 310S Ceramic Fiber
SS 321
SS 320S17
SS 304L

Technical Data

Remark: Graphite filler material used for oxidizing media ≤ 450℃

RING MATERIAL FILLER MATERIAL TOP-TEMPERATURE
S 1400 Asbestos
SS 304 Graphite 650 ℃
SS 316L PTFE 200 ℃
Inconel Non-Asbestos Fiber 500 ℃

Gasket Size Limit Deviation（mm)

Inner ring ID NPS≤3″ ±0.75 Sealing Element
ID		 NPS1/2″~8″ ±0.4
NPS 4″~24″ ±1.5 NPS10″~36″ ±0.75
NPS≥28″ ±3.0 NPS＞36“ ±1.3
Outer ring OD ±0.75 Sealing Element
OD		 NPS1/2″~8″ ±0.75
Inner ring/Outer ring
Thickness		 3.0~3.3 NPS 8”~24″ +1.5
-0.75
Gasket Thickness ±0.13 NPS＞24″ ±1.5