SMS Unions

SMS unions (Swedish Manufacturing Standard - SMS 1145) are a hygienic fitting that features a captive seal design to provide a smooth, crevice-free internal bore. They consist of a round slotted nut, weld liner and weld male with an L style seal available in a range of material types.

Our range of SMS unions are available to buy online at PAR Direct by clicking the 'buy' button above.

SMS Nuts

SMS Nuts   SMS Nuts - Dimensional Drawing
Product Code Size A B C D
SMN104 1" 32.30 51.00 19.00 40.00
SMN154 1½" 48.30 74.00 23.00 60.00
SMN204 2" 60.50 84.00 24.00 70.00
SMN254 2½" 74.00 100.00 28.00 85.00
SMN304 3" 87.00 114.00 30.00 98.00
SMN404 4" 113.00 138.00 31.00 125.00

SMS Weld Male

SMS Weld Male   SMS Weld Male - Dimensional Drawing
Product Code Size A B C D
SMM106 1" 22.50 25.00 19.00 40.00
SMM156 1½" 35.50 38.00 23.00 60.00
SMM206 2" 48.50 51.00 23.00 70.00
SMM256 2½" 60.50 63.50 27.00 85.00
SMM306 3" 72.90 76.10 27.00 98.00
SMM406 4" 97.60 101.60 30.00 125.00

SMS Weld Liners

SMS Weld Liners   SMS Weld Liners - Dimensional Drawing
Product Code Size A B C D F
SML106 1" 22.50 25.00 32.00 35.50 15.50
SML156 1½" 35.50 38.00 47.90 55.00 16.00
SML206 2" 48.50 51.00 60.40 65.00 17.00
SML256 2½" 60.50 63.50 73.50 80.00 17.00
SML306 3" 72.90 76.10 86.50 93.00 19.00
SML406 4" 98.50 102.50 116.50 127.00 19.00

SMS Seals

SMS Gasket   SMS Gasket - Dimensional Drawing
Product Code
EPDM Viton® PTFE Size A B C D
SMG10E SMG10V SMG10P 1" 22.80 25.10 31.80 5.30
SMG15E SMG15V SMG15P 1½" 35.80 38.10 47.80 5.30
SMG20E SMG20V SMG20P 2" 48.80 51.10 60.80 5.30
SMG25E SMG25V SMG25P 2½" 61.00 63.60 73.30 5.30
SMG30E SMG30V SMG30P 3" 73.40 76.10 85.80 5.30
SMG40E SMG40V SMG40P 4" 98.20 104.00 115.70 5.30

SMS Plain Blank

SMS Plain Blank   SMS Plain Blank - Dimensional Drawing
Product Code Size A B C D
SMB106 1" 32.00 35.50 3.50 7.50
SMB156 1½" 48.00 55.00 5.00 9.00
SMB206 2" 60.00 65.00 5.00 10.00
SMB256 2½" 73.50 80.00 5.00 10.00
SMB306 3" 86.00 93.00 5.00 11.00
SMB406 4" 112.00 118.00 6.00 11.00

SMS Blank Nut and Chain

SMS Blank Nut and Chain   SMS Blank Nut and Chain - Dimensional Drawing
Product Code Size A B C D
SMNC106 1" 51.00 19.00 6.00 40.00
SMNC156 1½" 74.00 23.00 8.00 60.00
SMNC206 2" 84.00 24.00 8.00 70.00
SMNC256 2½" 100.00 28.00 10.00 85.00
SMNC306 3" 114.00 30.00 10.00 98.00
SMNC406 4" 138.00 31.00 10.00 125.00

SMS Spanner

SMS Spanner   SMS Spanner - Dimensional Drawing
Product Code Size A
SMS10-15 1" to 1½" 62.00
SMS20-40 2" to 4" 78.00

SMS Hose Tail Liner

SMS Hose Tail Liner  
Product Code Size
SMH106 1"
SMH156 1½"
SMH206 2"
SMH256 2½"
SMH306 3"
SMH406 4"

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