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API6A Soft Iron R11 RTJ Ring Joint Gasket

Wenzhou Jingwei Seal Technology Co., Ltd.

API6A Soft Iron R11 RTJ Ring Joint Gasket

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

Model Number : oval ring joint gasket

Certification : ISO9001

Place of Origin : china

MOQ : 10

Price : Negotiable

Supply Ability : 100000pcs/month

Delivery Time : 7 work days

Packaging Details : Bulk packaged or Customize

carbon steel : gasket

stainless steel : seal

metal : seals ring

soft iron : gasket

temperature : -200~800(℃)

delivery : in stock

standard : APi 6a

pressure : high pressure

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The Ring Type Joint Gasket is initially developed for high pressure/ temperature applications found in the petroleum industry and is primarily used in the oilfield on drilling and completion equipment.
However, today this product range can also be found on valves and pipe work assemblies, along with some high integrity pressure vessel joints.

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 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.

Oval cross-section Industry Ring Joint Gaskets and Octagonal cross section Ring Joint Gaskets are used in pressures up to 10,000 psi

The hardness of the ring gasket should always be 30% lesser than the hardness of the flanges to prevent flange deformation

Dimensions and Tolerances for Ring Joint Gaskets and Grooves are covered in API 6A and ASME B16.20.

We stock a wide range of sizes and materials ready for immediate shipment from Ring Numbers R11 to R105.

Ring type joint gaskets(RTJs) are designed for high pressure applications. They are available in a variety of forms to suit different flange formats . RTJs can be used for very high and/or fluctuating pressures (up to 1500 bar), depending on the profile selected. Material selection determines use for high temperatures (up to i000°C) and in aggressive media. To ensure proper sealing the surfaces of contact between the gaskets and flange have to be carefully processed. The small sealing area and high contact pressure results in excellent sealability.

API6A Soft Iron R11 RTJ Ring Joint Gasket

As a result of metal to metal sealing media they are made to be free of indentations, tool marks etc and have a surface finish of maximum,

· R, RX – 63 microinches Ra (1.6 micrometer Ra).

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

GASKET MATERIALS

BRINELL HARDNESS NUMBER (max)

ROCKWELL HARDNESS NUMBER (max)

IDENTIFICATION

Soft iron 90 56 D
Low carbon steel 120 68 S
4-6% Chrome 1/2% molybdenum 130 72 F5
304 Stainless Steel 160 83 S304
316 Stainless Steel 160 83 S316
347 Stainless Steel 160 83 S347

Material Identification Material No. Hardness Temperature (oC)
Min Max.
Soft Iron D 90 -40 500
Low Carbon Steel S 120 -40 500
Stainless Steel 304 304SS 1.4301 160 -250 550
Stainless Steel 304L 304L SS 1.4306 160 -250 550
Stainless Steel 316 316SS 1.4401 160 -100 550
Stainless Steel 316L 316L SS 1.4404 160 -100 550
Stainless Steel 321 321SS 1.4541 160 -250 550
Stainless Steel 347 347SS 1.4450 160 -250 500
Stainless Steel 410 410SS 1.4000 170 -20 850
Aluminum Al 3.0255 30 -250 300
Copper Cu 2.0090 ca.80 -250 400
Brass CuZn37 2.0321 ca.60 -100 350
Nickel 200 Ni200 2.4066 110 -250 600
Monel 400 400 2.4360 150 -125 600
Inconel 600 600 2.4816 150 -100 950
Hastelloy B2 B2 2.4617 230 -200 450
Titanium Ti 3.7025 ca.215 -250 350

Marking and Identification (standard):

The outer surface of each Ring Type Joint should show the manufacturer’s name or a trademark, the gasket number like R67, RX37 or BX155, gasket’s material in abbreviation(check below our chart), as well as the standards like ASME B16.20, API 6A, API 17D, etc.

Materials

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

Standards and approvals

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

Recommended applications

Industries

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

Functional description

Under axial compressive load, ring type joints plastically deform and flow into the irregularities of the flange groove. Since the contact area of the ring type joint is relatively small, a very high compressive load results between the sealing surface of the ring type joint and the flange groove. This surface pressure is further increased especially by the RX and BX RTJ variants. Both variants are able to seal extremely high internal pressures. RTJ gaskets are produced from metal, so they remain in their compressed form, even when the surface pressure is relaxed. The sealing function of the RTJ gasket is reinforced by the axial forces acting on the sealing surfaces.

Forms of supply

  • Standard dimensions as per DIN EN 12560-5 or ASME B16.20
  • RTJ gaskets are available from stock in ½” to 36” and 15 mm to 900 mm sizes, and in the commonly available materials to suit most ASME and DIN flange dimensions. Larger sizes and special requirements are available to order.API6A Soft Iron R11 RTJ Ring Joint Gasket
  • FAQ

    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.


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