PRODUCT SPECIFICATIONS > INSTRUMENTATION
| Clark Solutions 120 Series, Pressure, Vacuum, Diff. Pressure & Temp. Switches Explosion Proof, Adjustable Ranges 30" Vac to 6000 PSI, -180°F to 650°F (Page 7 of 9)
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| UNION CONNECTORS | |||
| Option | Replacement Number | Description | |
| Brass | W027 | SD6213-27 | 1/2” NPT w/ 3/4” bushing |
| W045 | SD6213-45 | 3/4” NPT | |
| W051 | SD6213-51 | 1/2” NPT | |
| 304 Stainless Steel | W028 | SD6213-28 | 1/2” NPT w/ 3/4” bushing |
| W046 | SD6213-46 | 3/4” NPT | |
| W050 | SD6213-50 | 1/2” NPT | |
| THERMOWELLS | |||
| For all bulb & capillary switches, all 1/2" NPT Internal | |||
| Brass | W075 | SD6225-75 | 3/4” NPT bushing adapter, 4” BT |
| W191 | SD6225-191 | 1/2” NPT, 4” BT | |
| W118 | SD6225-118 | 3/4” NPT bushing adapter, 7” BT | |
| W192 | S D6225-192 | 1/2” NPT, 7” BT | |
| 316 Stainless Steel | W076 | S D6225-76 | 3/4” NPT, 4.5” BT |
| W193 | SD6225-193 | 1/2” NPT, 4.5” BT | |
| W119 | SD6225-119 | 3/4” NPT, 7.5” BT | |
| W177 | SD6225-177 | 1/2” NPT, 7.5” BT | |
| For all immersion stem switches | W139 | SD6225-139 | 3/4” NPT X 1 23/32” BT, BRASS |
| W140 | SD6225-140 | 3/4” NPT X 1 23/32” BT, 316 SS | |
| W000 IMMERSION STEM AND THERMOWELLS |
| Note: Option W000 is a special Immersion Stem construction that has no external thread. This option fits inside a special thermowell and is secured with a set-screw; available 100, 105 (except Model 119), 117, 120 and 400 Series. |
| Option Description | |
| W000 | Immersion stem only, BRASS |
| W097 | Immersion stem and thermowell. Includes W000 stem and 1/2” NPT x 1 23/32" BT BRASS thermowell |
| W099 | Immersion stem and thermowell. Includes W000 stem and 1/2” NPT x 1 23/32" BT 316 SS thermowell |
| OPTIONAL LENGTHS |
| Optional immersion stem lengths to 15" available in brass, with or without 316 SS thermowell. Consult Clark for additional information. |
| Optional capillary length to *50' available in copper or 304 SS. Armor or Teflon® capillary protection available to lengths less than or equal to capillary length. Consult Clark for additional information. |
| *Consult Clark regarding repeatability and ambient effects on capillary lengths over 30'. |
| DIMENSIONS (INCHES) 120 Series, Explosion Proof Internal set point adjustment, dual contacts Models J120, J120K, C120, F120 |
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