Description
APPLICATION NOTE:
As of 2022, all Model 1700s use a longer hex adapter (see photos and updated catalog sheet).
Product Comparison Table
| NPT SIZE | Flow Setting cc/min | Equivalent GPM (Approximate) | Brass Housing - PISTON P/N | 316 SST Construction |
|---|---|---|---|---|
| 1/4" | 50 | 0.013 | 12618-4058 | 12618-4059 | 12618-4060 | 12628 |
| 1/4" | 100 | 0.026 | 12619-4058 | 12619-4059 | 12619-4060 | 12629 |
| 1/4" | 150 | 0.040 | 12620-4058 | 12620-4059 | 12620-4060 | 12630 |
| 1/4" | 200 | 0.053 | 12621-4058 | 12621-4059 | 12621-4060 | 12631 |
| 1/4" | 250 | 0.066 | 12622-4058 | 12622-4059 | 12622-4060 | 12632 |
| 1/4" | 300 | 0.079 | 12623-4058 | 12623-4059 | 12623-4060 | 12633 |
Product Notes
- Standard flow calibration is in water @ 70°F with lead wires up. Calibrated on increasing flow.
- Temperature effect on flow settings: water calibration, slight change; oil varies with viscosity; gas, slight change.
- Set point accuracy will change slightly in other than calibrated position.
- Model 1600 is UL recognized with a SPST reed switch rated pilot duty 20 VA 120- 240 VAC, 174° F.
- Relays for higher loads, junction boxes, terminal strips, etc. are available. See accessories section for details
- Also available: leads in different lengths, cable, terminated ends, etc. Consult factory.
- Optional 3 Pin M/S connector – MS3102E10S-3P. Consult factory.
- High-temperature units available to 400°F. Consult factory.
- Standard flow settings are calibrated in water. Other set points in water or oil are available. Consult factory.
- Optional air set points for Model 1600 are available. Consult factory with CFM and line pressure.
- Optional air set points for Model 1700 are available. Consult factory with CFH and line pressure.
- Other wetted materials: Hysol epoxy.
- Model 1700 orifice dia. is 5/16″; inlet fitting supplied by customer must be 3/8″ I.D. minimum.
- All SST piston eliminating epoxy is available. Consult factory.
- Polysulfone for water in brass housing.
- Brass for oil in brass housing.
- SST for SST housing.
- Calibration: Flow stands are calibrated to the National Bureau of Standards and Thomas Products Ltd. recalibration schedule.
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