Ring Joint Gasket

High temperature and high pressure conditions are common in the oil and gas industry. To sustain under these pressures, and perform well on a long term basis, Sealtech manufactures ring joint gaskets which are resistant and customised. The various styles in which the gaskets are available are:

  • R
  • Rx
  • bx

Ring Material

Various forms of material, shown in the table below, are used for manufacturing Ring Joint Gaskets, which may be manufactured from special material, as per customer's requirement.

Material (Trade Name) Ring Identification DIN Specification DIN Material No. AISI ASTM UNS B.S. Hardness (max)* Temprature (0C)* Specify Density (gr / cm3)
Brinell HB Rockwell B Min. Max.
Soft iron D - - - - 90 56 -60 500 7.85
Steel (LCS) S - - - - 120 68 -40 500 7.85
ASTM A182-F5 F5 12CrMo 195 1.7362 A182-F5 - 130 72 -40 650 7.9
Stainless Steel 304 S 304 X5CrNi 1810 1.4301 304 304S15/16/31 160 83 -250 550 7.9
Stainless Steel 304L S 304L X2CrNi 1911 1.4306 304 L 304S11 160 83 -250 550 7.9
Stainless Steel 309 S 309 X15CrNiSi 2012 1.4828 309 309S24 160 83 -100 1000 7.9
Stainless Steel 316 S 316 X5CrNiMo 1712 1.4401 316 316S31/33 160 83 -100 550 7.9
Stainless Steel 316L S 316L X2CrNiMo 1713 1.4404 316 L 316S11/13 160 83 -100 550 7.9
Stainless Steel 316 Ti S 316 Ti X10CrNiMoTi 1712 1.4571 316 Ti 320S31 160 83 -100 550 7.8
Stainless Steel 321 S 321 X6CrNiTi 1810 1.4541 321 321S12/49/87 160 83 -250 550 7.9
Stainless Steel 347 X347 X6CrNiNb 1810 1.4550 347 347S31 160 83 -250 550 7.9
Material Identification Hardness (Brinell HB) Hardness (Rockwell B) Density
Inconel 625 180 90 8.0
Inconel 825 180 90 8.0
Monel 400,000 180 90 8.0

Pressure Class Rating

150 3/600 900 1500 2500 2000 3000 5000 10000
R-11 1/2
R-12 1/2 1/2
R-13 3/4 1/2
R-14 3/4 3/4
R-15 1
R-16 1 1 1 3/4
R-17 11/4
R-18 11/4 11/4 11/4 1
R-19 11/2
R-20 11/2 11/2 11/2 11/2 11/2 11/2
150 3/600 900 1500 2500 2000 3000 5000 10000
R-21 11/4

R-22 2
R-23 2 11/2 2
R-24 2 2 2 2
R-25 21/2

R-26 21/2 2 21/2
R-27 21/2 21/2 21/2 21/2
R-28 21/2
R-29 3
R-30 3
150 3/600 900 1500 2500 2000 3000 5000 10000
R-31 3 3 3 3
R-32 3
R-33 31/2
R-34 31/2
R-35 3 3
R-36 4
R-37 4 4 4 4
R-38 4
R-39 4 4
R-40 5
150 3/600 900 1500 2500 2000 3000 5000 10000
R-41 5 5 5 5
R-42 5
R-43 6
R-44 5 5
R-45 6 6 6 6
R-46 6 6
R-47 6
R-48 8
R-49 8 8 8 8
R-50 8 8
150 3/600 900 1500 2500 2000 3000 5000 10000
R-51 8
R-52 10
R-53 10 10 10 10
R-54 10 10
R-55 10
R-56 12
R-57 12 12 12 12
R-58 12
R-59 14
R-60 12
150 3/600 900 1500 2500 2000 3000 5000 10000
R-61 14
R-62 14
R-63 14
R-64 16
R-65 16 16
R-66 16 16
R-67 16
R-68 18
R-69 18 18
R-70 18 18
150 3/600 900 1500 2500 2000 3000 5000 10000
R-71 18
R-72 20
R-73 20 20
R-74 20 20
R-75 20
R-76 24
R-77 24
R-78 24
R-79 24
R-80 22
150 3/600 900 1500 2500 2000 3000 5000 10000
R-81 22
R-82 1
R-83
R-84
R-85 2
R-86
R-87 3
R-88 4
R-89
R-90 5
150 3/600 900 1500 2500 2000 3000 5000 10000
R-91 10
R-92
R-93 26
R-94 28
R-95 30
R-96 32
R-97 34
R-98 36
R-99
R-100 26
150 3/600 900 1500 2500 2000 3000 5000 10000
R-101 28
R-102 30
R-103 32
R-104 34
R-105 36

Ring Joint
Gasket


High temperature and high pressure conditions are common in the oil and gas industry. To sustain under these pressures, and perform well on a long term basis, Sealtech manufactures ring joint gaskets which are resistant and customised. The various styles in which the gaskets are available are:
More...

Stud &
Bolts


Used significantly in the petrochemical industry, stud and bolts enable flange connections. A stud is threaded throughout its length and is used with two nuts. On the other hand, a bolt is used with a single nut, is closed on one side and threaded on the other.
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Hammer
Union


Having hammer unions which are perfect in size and fitting and size is vital for the safety and security of any business. We manufacture hammer unions from excellent material, and according to the requirement of the customers.
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