Description
Chemical, plating and water treatment plants carry acids and caustics through plastic and lined pipe. However, those flanges seal at modest bolt loads, so too much force can crack a PVC face or cold-flow a PTFE liner. The Snap-on TEC25FAC torque wrench gives fitters control at that low end. It reads foot-pounds and kilogram-force centimeters on one dial with a single needle.

Low loads with the Snap-on TEC25FAC torque wrench
In practice, a big wrench feels clumsy near the bottom of its scale. By contrast, a 25 ft-lb dial puts typical plastic flange values in its upper half, where the needle moves clearly. So the fitter can bring each bolt up slowly and stop on the mark.
TEC25FA figures
| Item | TEC25FA (CAT1500i p.335) |
|---|---|
| Square drive | 3/8 in |
| Metric range / steps | 350 kg·cm / 10 kg·cm |
| U.S. range / steps | 25 ft-lb / 1 ft-lb |
| Length | 9-29/32 in |
| Width / head depth | 2-11/16 in / 1-1/4 in |
| Storage case | PB9 |
According to Snap-on, a trailing C orders the version with calibration paperwork, so TEC25FAC is that form of the TEC25FA. In addition, Lost in HCM’s own title says it comes with a chart. For scale, 350 kg·cm is about 34 N·m.
Chemical plant flanges that suit the TEC25FAC
- PVC, CPVC and PP pipe flanges on acid and caustic lines.
- PTFE-lined pipe, valve and sight glass flanges.
- Diaphragm valve bonnets and small pump casings.
- Dosing skid fittings in water treatment rooms.
Tighten in a star pattern over several passes, as the gasket or pipe maker advises. Then recheck after the joint settles, because plastic can relax over time.
Grade and band
Lost in HCM lists the wrench under Combination US/Metric Reading/Standard 2% Accuracy. Snap-on holds that grade from 20% of full scale to full scale. That means the TEC25FAC band starts at 5 ft-lb, or 70 kg·cm.
Protecting the Snap-on TEC25FAC torque wrench from chemicals
Splash and fumes can also attack plating and cloud the dial glass. Therefore wear the plant’s PPE, rinse off any splash at once, and dry the wrench well. Also store it in its PB9 case outside the process area. Never use it to break a stuck bolt loose. Finally, plan outside recalibration at the interval your plant sets.
Order the TEC25FAC
Lost in HCM, the SMK Vietnam partner, supplies the Snap-on TEC25FAC torque wrench to chemical and utility sites. To price it for your next turnaround, request a quote from Lost in HCM. You can also scan more torque wrenches, visit snapon.com, or contact SMK Vietnam.
Chemical plant FAQ
Is 25 ft-lb enough for plastic flanges?
Often, yes, since many plastic and lined flanges seal at modest loads. Always check the pipe maker’s table.
Can I use the TEC25FAC on steel flanges too?
Only on small ones with low specs. Larger steel flanges need a bigger Torqometer.
Does with Chart mean a calibration certificate?
Lost in HCM’s title says with Chart. Ask Lost in HCM what that document covers.
















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