API 6A R27 Octagonal Ring Joint Gasket

price: Negotiable
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Zhejiang
Validity to: Long-term effective
Last update: 2018-09-28 08:47
Browse the number: 381
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Pictures of api 6a R27 octagonal ring joint gasket:

Parameters of api 6a R27 octagonal ring joint gasket:

Item No: API 6A R27


Shape: Octagonal Ring Gasket

Temperature: -150°C--800°C

Certificate: API6A, ISO9001:2000, TS Safety

Pressure: 700 bar

Standard: ASME B16.20 HG20612 HG20633

Application: Pipe flanges and valve bonnets high pressure steam, gas, hot oil, oil gas, sol-ventvanor, oxygen at high temperature in oil re-fineries, petrochemical plants, thermal power plants and steam turbined vessels.

Warranty:1 year



API Octagonal ring joint gasket mainly machined from solid metal in Octagonal shapes with high quality numerical control machines. it has a higher sealing efficiency than the oval and would be the preferred gasket. it is designed for high pressure and temperature or high corrosive applications by selecting the suitable shape and material. Dimensions for standard ring joint gaskets and grooves are covered in ASME B16.20 and API 6A, API 17D and ASME B16.5/B16.20.


Metal material

Ring type

Max hardness


Soft iron


90 HB


Low carbon steel


120 HB




130 HB


Stainless steel  304(L), 321

S304(L), S321

160 HB


Stainless steel 316(L)


160 HB


Stainless steel 347


160 HB



Gaskets made of soft iron or low carbon steel materials are normally applied with anticorrosive oil in final production. 


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1.If can accept custom designed?

Yes, we are a factory and have our own engineer can custom any size according to clients requirements.

2. What’s payments method you can accept?

We can accept payment: Paypal, T/T


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