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Home » Unique Product Features

Unique Product Features

ISO Thread Sealing Method


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RS Fitting and RS gasket RP Fitting and RP gasket RG Fitting and RG gasket
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RS Gasket
BSP Parallel Thread Size (in.) Basic Ordering Number Dimensions
Tx E H
1/8 -RS-2 16.0 10.4 2.0
¼ -RS-4 20.6 13.7
3/8 -RS-6 23.9 17.3
½ -RS-8 28.7 21.6 2.5
¾ -RS-12 35.1 26.9
1 -RS-16 42.9 33.8
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A RS gasket with a Buna inner ring bonded to carbon Steel outer ring provides a seal

RP Copper Gasket
BSP Parallel Thread Size (in.) Basic Ordering Number Dimensions
T E H
1/8 CU-RP-2 15.0 9.9 1.0
¼ CU-RP-4 19.1 13.5
3/8 CU-RP-6 23.1 17.0
½ CU-RP-8 26.9 21.3 2.5
¾ CU-RP-12 33.0 26.7 2.0
1 CU-RP-16 40.1 33.5
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The RP Copper gasket provides a seal with male BSP/ISO parallel thread

RG Copper Gasket
BSP Parallel Thread Ordering Number Dimensions
T E H
¼ CU-RG-4 10.7 7.6 1.8
3/8 CU-RG-6 14.2 8.6 2.3
1/2 CU-RG-8 17.8 9.1 2.5
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The RG copper gasket provides a seal on pressure gauges equipped with male BSP/ISO parallel thread




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