Joint Sealant
STYLE 24A
Expanded PTFE Valve Stem Packing
CONSTRUCTION
Style 24A valve stem packing utilizes 100% pure expanded PTFE in a unique braid-over-braid-over-core construction with a round cross section. This unique construction produces a firm but conformable packing that handles higher pressures than competitive products.
APPLICATION / SERVICE
Style 24A a very workable packing which conforms easily to worn valve stems and stuffing boxes, yet forms a very high density packing when compressed. It will handle virtually all chemicals in the 0 - 14 pH range and will not contaminate flow media. It is ideal for service in the food processing, beverage and pharmaceutical industries and is also commonly used for pulp and paper and general chemical applications.
Services Limits
| Type | Description | Value |
|---|---|---|
| Temperature |
Minimum Maximum |
-450°F (-268 C) 600°F (315 C) |
| Pressure |
Static |
1450 psi (100 bar) |
| Shaft Speed: | 200 fpm (1 m/s) | |
| pH: | 0-14 (except molten alkali metals and elemental fluorine) |
SIZE RECOMMENDATIONS
| Valve Size | Packing Diameter |
|---|---|
| 1/8"-1" | 1/16", 3/32" |
| 1-1/2" - 3" | 1/8", 5/32" |
| 3-1/2" - 6" | 3/16", 7/32" |
| 8" - 12" | 1/4", 9/32", 5/16" |
| Also available | 3/8", 1/2", 5/8" |
STANDARD PACKAGING
| Width | Spool Length |
|---|---|
| 1/16" | 50' |
| 3/32" | 25 or 50' |
| 1/8" | 25' |
| 5/32" | 25' |
| 3/16" | 25' |
| 7/32" | 15' |
| 1/4" | 12' |
| 9/32" | 9' |
| 5/16" | 7' |
| 3/8" | 7' |
| 1/2" | 12' |
| 5/8" | 9' |
STYLE 24B
Expanded PTFE Joint Sealant
CONSTRUCTION
Style 24B joint sealant is produced by expanding 100% virgin PTFE into a highly fibrillated structure which exhibits characteristics significantly different than conventional PTFE. The expanded PTFE is much more flexible than regular PTFE and thus conforms easily to irregular and rough surfaces. In addition, the expanded material is easier to compress and exhibits excellent resistance to creep and cold flow. This style of joint sealant is supplied as a continuous tape with a self-adhesive backing strip to facilitate easy installation.
APPLICATION / SERVICE
Style 24B joint sealant is soft and marshmallow-like, allowing it to readily conform to and seal flanges with irregular and damaged surfaces. Because it is composed of 100% PTFE, it can handle virtually all chemicals in the 0 - 14 pH range and will not contaminate flow media. It has no smell or taste. It is neither contaminating nor toxic and it fulfills the FDA 21 CFR 177.1550 Perfluorocarbon Regulations.
The versatility of this style is finding new applications everyday in the process industries and the OEM market.
This style is recommended for the following sealing applications:
- Steel pipe flanges
- Glass-lined pipe flanges
- Fiber glass pipe flanges
- Plastic pipe flanges
- Fume ducts
- Concrete lids
- Heat exchanges
- Fiber glass reinforced vessels
- Pump housing flanges
- Compressor housing flanges
- Turbine cases
- Manhole and handhole covers
- Ceramic joints
- Ventilation ducts
- Hydraulic and pneumatic systems
- Water supply systems
Services Limits
| Type | Description | Value |
|---|---|---|
| Temperature |
Minimum Maximum |
-450 F (-268 C) 500 F (315 C) |
| Pressure |
Static |
Full vacuum to 2900 psi (200 bar) |
| pH: | 0-14 (except molten alkali metals and elemental fluorine) |
SIZE RECOMMENDATIONS
| Flange Size | Width |
|---|---|
| For Pipe Size Up to 1/2 " dia | 1/8" |
| 3/4" to 1-1/2" dia. | 3/16" |
| 2" to 4" | 1/4" |
| 5" to 8" | 3/8" |
| 10" to 16" | 1/2" |
| 18" to 24" | 5/8" |
| 24" to 36" | 3/4" |
| 36" and above | 1" |
STANDARD PACKAGING
| Width | Spool Length |
|---|---|
| 1/8" | 50', 100', 500' |
| 3/16" | 75', 150', 750' |
| 1/4" | 50', 100', 500' |
| 3/8" | 25', 50', 250' |
| 1/2" | 15', 30', 150' |
| 5/8" | 15', 30', 150' |
| 3/4" | 15', 30', 100' |
| 1" | 15', 30', 75' |
STYLE 24BB
Expanded PTFE Gasket Tape
CONSTRUCTION
Style 24BB joint sealant is produced by expanding 100% virgin PTFE into a highly fibrillated structure which is softer and more flexible than regular PTFE and thus conforms easily to irregular and rough surfaces. In addition, the expanded material is easier to compress and exhibits excellent resistance to creep and cold flow. Teadit 24BB gasket tape is supplied as a continuous tape with a self-adhesive backing strip to facilitate easy installation.
APPLICATION / SERVICE
Style 24BB easily seals flanges with rough or irregular surfaces and requires less bolt torque than other gasket materials. It is particularly suited for sealing glass lined and plastic flanges. Made from 100% virgin PTFE, this style can be used to seal all aggressive chemicals over the entire 0 to 14 pH range, except for molten alkali metals and elemental fluorine. It will not contaminate or discolor flow media and it is suitable for FDA service. It has no smell or taste. It is neither contaminating nor toxic and it fulfills the FDA 21 CFR 177.1550 Perfluorocarbon Regulations.
The following industries commonly use 24BB gasket tape:
- Pulp and Paper
- Food and Beverage
- Distillers
- Petrochemical
- Pharmaceutical
- General Chemical
Services Limits
| Type | Description | Value |
|---|---|---|
| Temperature |
Minimum Maximum |
-450 F (-268 C) 600 F (315 C) |
| Pressure |
Static |
Full vacuum to 2900 psi (200 bar) |
| pH: | 0-14 (except molten alkali metals and elemental fluorine) |
STANDARD SIZES
| Width (Feet per roll)* | |||||||
|---|---|---|---|---|---|---|---|
| Thickness | 1/2" | 3/4" | 1" | 2" | 4" | 6" | 8" |
| 1/8" | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| 1/16" | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| 1/32" | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| 1/64" | 100 | 100 | 100 | 100 | N/A | N/A | N/A |
|
*Special roll sizes are available on request, with or without adhesive |
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