CTG Energizer 1/2″ Low-Torque Flange Gasket (CTG100100)
CTG Energizer™ 1/2″ full-face low-torque flange gasket, part number CTG100100: 0.71″ ID × 3.50″ OD, 4 bolt holes on a 2.38″ bolt circle, 15 ft-lb on FRP flanges. TFM® or PTFE (Teflon-type) face bonded to an elastomer body for FRP, PVC, CPVC and PVDF piping, -40°F to 300°F.
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CTG part number CTG100100 is the 1/2-inch CTG Energizer™ low-torque flange gasket from CTG, Inc. (CT Gasket & Polymer Co.): a 65–75 durometer elastomer body with a seamless TFM® or PTFE sealing face bonded to it, for FRP and plastic flanges that need minimal bolt torque to seal. It is one of 26 sizes in the line. See the full CTG Energizer size and part number chart.
Request a quote for CTG100100 or call +1 (281) 310-0628 / pesales@pe-energy.com. Include the style (NRT or ET), shield (TFM® or PTFE) or elastomer, and quantity.
What are the dimensions of the 1/2″ CTG Energizer gasket (CTG100100)?
| Nominal pipe size | 1/2″ |
|---|---|
| CTG part number | CTG100100 |
| Inside diameter (ID) | 0.71 in |
| Outside diameter (OD) | 3.50 in |
| Bolt circle | 2.38 in |
| Bolt hole diameter | 0.62 in |
| Number of bolt holes | 4 |
| Gasket type | Full face |
The 4-hole, 2.38″ bolt circle on this gasket corresponds to ASME B16.5 Class 150 flange drilling for 1/2″ pipe, the pattern used on most ANSI-style FRP, PVC, CPVC and PVDF flanges. Confirm your flange rating before ordering.
What bolt torque does the 1/2″ CTG Energizer gasket need?
| Flange type | Torque (ft-lb) |
|---|---|
| Steel flanges | 15-25 |
| Dual / FRP flanges | 15 |
Source: CTG data sheet. Follow the flange maker’s bolting procedure where stricter.
Which style and material should I choose?
NRT (no ribs) for raised or serrated flanges; ET (ribbed) for flat-faced or hand lay-up FRP flanges; at this size the ET has two sealing ribs. Shield: TFM® or PTFE. Details: CTG Energizer overview.
Documents
- CTG Energizer Gaskets Data Sheet (PDF)
- CTG Energizer Gaskets Data Sheet with M and Y gasket factors (PDF)
Other CTG Energizer sizes
3/4″ (CTG100101) · All sizes · All CTG products
Trademarks belong to their owners; PE Energy is an independent supplier of CTG products.
Additional information
| Manufacturer Part # | CTG100100 |
|---|---|
| Nominal size | 1/2" |
| ID x OD | 0.71" x 3.50" |
| Bolt holes | 4 x 0.62" on 2.38" bolt circle |
| Torque (steel / FRP flanges) | 15-25 / 15 ft-lb |
| Condition | New |
| Brand | CTG |
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