OPW Engineered Systems offers various miscellaneous couplers and adaptors, including double and reducing couplers, ANSI flanged coupler and adaptors, spool adaptors, and schedule 40 socket weld and butt weld couplers and adaptors in a wide variety of sizes.
| Kit # | Size |
| 633ARK-SS07* | 1⁄ 2” & 3⁄4” |
| 633ARK-SS10 | 1” |
| 633ARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 633ARK-SS30 | 3”, 4” & 5” |
Parts Kit includes:
*Note: Finger Rings are not included with 1/2” and 3/4” Kit.
| Kit # | Size |
| 733ARK-SS07 | 1⁄2” & 3⁄4” |
| 733ARK-SS10 | 1” |
| 733ARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 733ARK-SS30 | 3” & 4” |
Parts Kit includes:
| Kit # | Size |
| 733WARK-SS07 | 3⁄4” |
| 733WARK-SS10 | 1” |
| 733WARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 733WARK-SS30 | 3” & 4” |
Parts Kit includes:
| Kit # | Size | |
| 634CLK-1020 | 1-1/4” - 2-1/2” | |
| 634CLK-1070 | 3” & 4” |
Kit includes:
| Size (in.) | Buna-N (Standard) Part No. | EPDM Part No. | Neoprene Part No. | White Neoprene Part No. | Fluorocarbon-A Part No. |
| 3/4” | H06595M | H05215M | H01881M | ** | H00966M |
| 1” | H06480M | H05216M | H01884M | H04196M | H00967M |
| 1-1/4” | H06477M | H20534M | H01887M | ** | H00968M |
| 1-1/2” | H06430M | H20535M | H01890M | H04200M | H00972M |
| 2” | H20544M | H20536M | H01893M | H04201M | H00973M |
| 2-1/2” | H20545M | H20537M | H01896M | H01189M | H00974M |
| 3” | H20546M | H20538M | H01899M | H01190M | H00975M |
| 4” | H20547M | H05225M | H01902M | H04208M | H00976M |
| Size (in.) | PTFE* Part No. | PTFE Envelope Buna Part No. | PTFE Envelope Fluorocarbon Part No. | PTFE Encapsulated Fluorocarbon Part No. | PTFE Encapsulated Silicone Part No. |
| 3/4” | H01979M | H03304 | H03401 | H20887M | H20888M |
| 1” | H01980M | H03307 | H03402 | H20889M | H20890M |
| 1-1/4” | H01981M | H03310 | H03405 | H20891M | H20892M |
| 1-1/2” | H01982M | H03317 | H03407 | H20893M | H20894M |
| 2” | H01983M | H03325 | H03408 | H31116M | H07904M |
| 2-1/2” | H02172M | H03330 | H03410 | H31118M | H07905M |
| 3” | H02173M | H03333 | H03411 | H20895M | H20896M |
| 4” | H02174M | H03336 | H03412 | H20845M | H31562M |
| Style | Size | Part # |
| SST Chain with Hooks | 12” Long 18” Long | H31119M H31120M |
| Brass Chain with “S” Hooks | 6” Long 12” Long | H06682M H06683M |
| Spring Finger Ring | 1” – 6” | H20550M |
| Kit # | Size |
| 633ARK-SS07* | 1⁄ 2” & 3⁄4” |
| 633ARK-SS10 | 1” |
| 633ARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 633ARK-SS30 | 3”, 4” & 5” |
Parts Kit includes:
*Note: Finger Rings are not included with 1/2” and 3/4” Kit.
| Kit # | Size |
| 733ARK-SS07 | 1⁄2” & 3⁄4” |
| 733ARK-SS10 | 1” |
| 733ARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 733ARK-SS30 | 3” & 4” |
Parts Kit includes:
| Kit # | Size |
| 733WARK-SS07 | 3⁄4” |
| 733WARK-SS10 | 1” |
| 733WARK-SS20 | 1-1⁄4” – 2-1⁄2” |
| 733WARK-SS30 | 3” & 4” |
Parts Kit includes:
| Kit # | Size | |
| 634CLK-1020 | 1-1/4” - 2-1/2” | |
| 634CLK-1070 | 3” & 4” |
Kit includes:
| Size (in.) | Buna-N (Standard) Part No. | EPDM Part No. | Neoprene Part No. | White Neoprene Part No. | Fluorocarbon-A Part No. |
| 3/4” | H06595M | H05215M | H01881M | ** | H00966M |
| 1” | H06480M | H05216M | H01884M | H04196M | H00967M |
| 1-1/4” | H06477M | H20534M | H01887M | ** | H00968M |
| 1-1/2” | H06430M | H20535M | H01890M | H04200M | H00972M |
| 2” | H20544M | H20536M | H01893M | H04201M | H00973M |
| 2-1/2” | H20545M | H20537M | H01896M | H01189M | H00974M |
| 3” | H20546M | H20538M | H01899M | H01190M | H00975M |
| 4” | H20547M | H05225M | H01902M | H04208M | H00976M |
| Size (in.) | PTFE* Part No. | PTFE Envelope Buna Part No. | PTFE Envelope Fluorocarbon Part No. | PTFE Encapsulated Fluorocarbon Part No. | PTFE Encapsulated Silicone Part No. |
| 3/4” | H01979M | H03304 | H03401 | H20887M | H20888M |
| 1” | H01980M | H03307 | H03402 | H20889M | H20890M |
| 1-1/4” | H01981M | H03310 | H03405 | H20891M | H20892M |
| 1-1/2” | H01982M | H03317 | H03407 | H20893M | H20894M |
| 2” | H01983M | H03325 | H03408 | H31116M | H07904M |
| 2-1/2” | H02172M | H03330 | H03410 | H31118M | H07905M |
| 3” | H02173M | H03333 | H03411 | H20895M | H20896M |
| 4” | H02174M | H03336 | H03412 | H20845M | H31562M |
| Style | Size | Part # |
| SST Chain with Hooks | 12” Long 18” Long | H31119M H31120M |
| Brass Chain with “S” Hooks | 6” Long 12” Long | H06682M H06683M |
| Spring Finger Ring | 1” – 6” | H20550M |