RX – STYLE RING JOINT GASKETS

Style RX is a pressure-energized adaptation of the standard Style R gasket. The RX is designed to fit the same groove design as a standard Style R, making the joints interchangeable. The modified design uses a pressure-energized effect that improves the efficiency of the seal as the internal pressure of the system increases.

Tolerances: ( Inches)

  •  Width of Ring ………………………………….+0.008,-0.000
  •  Height of Ring …………………………………+0.008,-0.000
    (A plus tolerance of 0.008 inches for width and height is permitted, provided the variation in width or height does not exceed 0.004 inches throughout its entire circumference)
  •  OD of Ring ……………………………………..±0.020,-0.000
  •  Angle of 23°……………………………………..±1/2°

Hole diameter shall be as follows:

  •  RX82 through RX85………………………….0.06”
  •  RX86 and RX87………………………………..0.09”
  •  Rings RX88 through RX91………………….0.12”

NOTE: Only Rings RX82 through RX91 have a pressure passage hole through the cross section. Center line of hole is located on the mid-point of the width flat.

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RX – STYLE RING JOINT GASKETS In Detail

RING NO.

PRESSURE CLASS RATINGS ( psi )

Pitch Diameter of Ring

Outside Diameter of Ring

Width of

Ring

Height of Ring

Gasket Weight lbs.

for API 6BX

200030005000
Nominal Pipe Size

P

OD

A

H

RX20

2.688

3.000

0.344

0.750

0.527

RX20?

2 1/16

2.688

3.000

0.344

0.750

0.527

RX23

2 1/16

3.250

3.672

0.469

1.000

1.15

RX24

2 1/162 1/16

3.750

4.172

0.469

1.000

1.33

RX25?

3 1/8

4.000

4.313

0.344

0.750

1.42

RX26

2 9/16

4.000

4.406

0.469

1.000

1.50

RX27

2 9/162 9/16

4.250

4.656

0.469

1.000

1.73

RX31

3 1/83 1/8

4.875

5.297

0.469

1.000

1.91

RX35

3 1/8

5.375

5.797

0.469

1.000

2.09

RX37

4 1/164 1/16

5.875

6.297

0.469

1.000

2.27

RX39

4 1/16

6.375

6.797

0.469

1.000

2.54

RX41

7.125

7.547

0.469

1.000

2.72

RX44

7.625

8.047

0.469

1.000

2.96

RX45

7 1/167 1/16

8.313

8.734

0.469

1.000

3.66

RX46

7 1/16

8.313

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