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Wenzhou Jingwei Seal Technology Co., Ltd.
Wenzhou Jingwei Seals Technology Co., Ltd.
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Wenzhou Jingwei Seal Technology Co., Ltd.
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Brand Name : Wenzhou Jingwei Seal Technology Co., Ltd.

Model Number : OCT RTJ gaskets

Certification : ISO9001

Place of Origin : WENZHOU CHINA

MOQ : 10

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 100000pcs/month

Delivery Time : 7 work days

Packaging Details : Bulk packaged or Customize

stainless steel : seals ring

api : gasket

wellhead : ring joint gasket

raw material : carbon stell

material : soft iron

standard : API 6a

industry : oilfield and gas

subsea : gasket

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Operating range

The pressure and temperature depend on the combination of materials used.

Chemical resistance:The corrosion resistance depends on the selected ring material.

Standards and approvals

All RTJ gaskets are manufactured to API standards, guaranteeing consistent quality.

Recommended applications


  • Oil & gas industry
  • Petrochemical industry
  • Flange connections
  • Pipe connections


RTJ gaskets are available as standard in soft metal and in 304, 316 and stainless steels. Versions in other materials on request.

Style R ring type joints are manufactured on oval (2962/R) and octagonal profiles (2961/R).
Both styles are interchangeable in the modern flat bottomed groove.
Octagonal profile joints are interchangeable on flat bottomes groove flanges which have a 23 degree angle groove wall


  • Metal-to-metal contact creates a reliable seal
  • Suitable for extreme pressure and temperature requirements
  • Certified quality (including surface hardness)

we supplies ring joint gaskets (RTJ Gasket) with the hardness numbers as follows:





Soft iron9056D
Low carbon steel12068S
4-6% Chrome 1/2% molybdenum13072F5
304 Stainless Steel16083S304
316 Stainless Steel16083S316
347 Stainless Steel16083S347

Common Materials
MaterialHB HardnessTemperature LimitationsIdentification
Soft Iron90-60 to +400 °CD
Low carbon steel120-40 to +500°CS
4%-6% Cr ½% Mo:F5130-125 to +500°CF5
Stainless steel 304/304L160-250 to +650°CS304 or 304L
Stainless steel 316/316L160-196 to +800°CS316 or 316L
Stainless steel 321160-250 to +870°CS321
Stainless steel 347160-250 to +870°CS347
Stainless steel 410170-20 to +500°CS410
Inconel 6251000°C625
Incoloy 8251000°C825
Hastelloy C-2761000°CC-276

We specializes in ring joint gasket, including ring gasket in R, RX, BX, IX types, lens gasket, weld ring gasket and bonnet gasket(according to client's drawing). The metal gasket designed for use in high pressure, high temperature application necessitated the need for a high integrity seal. Our products are widely used in flat gate valve, Christmas tree, pipeline fittings, flange, high pressure vessel, oil &gas industry, wellhead assembly, petrochemical industry and the like.
We can offer more than 30 kinds of materials, such as 321SS, 347SS, 316SS, 304SS, Inconel 625, Monel 400, INCOLY 825, Nickel 200, Duplex F44, soft iron, low carbon steel and so on. We could produce the maximum outside diameter is 2500mm. We have over 10 years experience in export business. Our products are sold to Southeast Asia, Middle East, Europe and America and well appreciated by our clients.

Programming interface ring Joint gaskets come in two fundamental sorts, an oval cross segment and an octagonal cross segment. These essential shapes are utilized in pressures up to 10,000 Rubber Seals and Gasket. The measurements are institutionalized and require uniquely notched spines. The octagonal cross segment has a higher fixing proficiency than the oval and would be the favored gasket. Be that as it may, just the oval cross segment can be utilized in the old sort round base notch. The more up to date level base furrow configuration will acknowledge either the oval or the octagonal cross segment. The fixing surfaces on the ring joint sections must be easily completed to 63 smaller scale inches and to be liberated from shocking edges, apparatus or babble marks. They seal by an underlying line contact or an edging activity as the compressive powers are applied.


Q: Are you trading company or manufacturer ?

A: We are a professional production enterprise

Q: How long is your delivery time?

A: Generally it is 7-15 days for stock delivery, and 15-30 days for manufacturing goods , but it depands on the quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we can provide you sample, but you need to pay for the sample and freight firstly.We will return the fee after you make an order.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

Q:How can we trust you to make a guaranteed deal?
A:We can trade through alibaba credit guarantee orders, which will fully guarantee the effective rights and interests of buyers and sellers.

Q:Package information?

A:For inner box and master carton are made as per international standards,and we can make special designed for you if need.

If you have another question, pls feel free to contact us.

China API6A RTJ GASKET wholesale


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