Gaugeable Tube Fittings and Adapter Fittings 53 Replacement Parts ISO/BSP Parallel Gaskets
Steel and Stainless Steel (RS Fitting)
RS/RSD Gasket
RS fitting steel gaskets provide a seal with male ISO/BSP parallel threads.
Gasket ISO
Thread Size, in.
The RS gasket is of a fluorocarbon FKM inner ring bonded to a carbon steel outer ring.
The RSD (DIN-style) gasket is a fluorocarbon FKM inner ring bonded to a stainless steel or carbon steel outer ring as recommended in ISO 1179-1973. It can be used with end connections designed in accordance with DIN 3852 Part 2.
Gasket
Copper (RP and RS Fitting) Gasket
The RP and RS fitting copper gasket provides a seal with male ISO/BSP parallel threads.
RSNB
The RSNB gasket is an all-metal 304L stainless steel gasket similar to DIN 7603 form D.
1/8 1/4 3/8 1/2 3/4 1
Ordering Number
RS Gasket➀ RSD Gasket➁ RSNB Gasket S-2-RS-2V SS-2-RSD-2V 304L-2-RSNB-2 S-4-RS-2V➂ SS-4-RSD-2V 304L-4-RSNB-2 S-6-RS-2V➂ SS-6-RSD-2V 304L-6-RSNB-2 S-8-RS-2V➂ SS-8-RSD-2V 304L-8-RSNB-2 S-12-RS-2V SS-12-RSD-2V 304L-12-RSNB-2 S-16-RS-2V SS-16-RSD-2V 304L-16-RSNB-2
1 1/4 S-20-RS-2V SS-20-RSD-2V 304L-20-RSNB-2 1 1/2 S-24-RS-2V SS-24-RSD-2V 304L-24-RSNB-2
➀ Also available with a Buna inner ring. To order, replace V with B in the ordering number.
Example: S-2-RS-2B
➁ Also available with a carbon steel outer ring. To order, replace SS with S in the ordering number.
Example: S-8-RSD-2V
➁ Also available with a stainless steel outer ring. To order, replace S with SS in the ordering number.
Example: SS-8-RS-2V
ISO
Thread Size, in.
1/8 1/4 3/8 1/2 3/4 1
Ordering Number
CU-2-RP-2 CU-4-RP-2 CU-6-RP-2 CU-8-RP-2 CU-12-RP-2 CU-16-RP-2
1 1/4 CU-20-RP-2 1 1/2 CU-24-RP-2
Copper and Nickel (RG, Gauge Fitting)
The RG fitting gasket provides a seal on pressure gauges equipped with ISO/BSP parallel male threads.
ISO
Thread Size, in.
1/4 3/8 1/2
Ordering Number Copper
Nickel
CU-4-RG-2 NI-4-RG-2 CU-6-RG-2 NI-6-RG-2 CU-8-RG-2 NI-8-RG-2
Gasket PTFE (RJ Fitting)
The RJ fitting PTFE gasket provides a seal with ISO/BSP parallel male threads.
ISO
Thread Size, in.
Ordering Number
Regular Gaskets 1/4 3/8 1/2
T-4-RJ-2 T-6-RJ-2 T-8-RJ-2
Thick Gaskets
1/4 3/8 1/2
T-4-RJ-2-T T-6-RJ-2-T T-8-RJ-2-T
Contact your authorized Swagelok representative for gasket dimensions.
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