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Rubber Fab John Perry GasketsJohn Perry Gaskets - PTFE
John Perry Gaskets - PTFE
Part # : 40JPG
Price : $3.87 – $33.45
Note: These gaskets are available as Metal Detectable/X-Rayable Detectomers®, contact for pricing and availability.
PTFE Sanitary John Perry Gaskets are the material of choice where low temperature flexibility and hygienic seal memory are not required. We don't recommend using PTFE Sanitary Gaskets where large temperature variations frequently occur because the affect on the PTFE's density makes joints more prone to leakage. PTFE gaskets provide excellent heat resistance, second only to Tuf-Steel®, with an operating range from -100°F to 500°F. From a chemical standpoint PTFE has good stability, almost no extractables, a low absorption rate, and excellent resistance to process fluids. These John Perry Gaskets can remain in service for long periods of time in both water and steam applications.
Storing PTFE Gaskets: - Shelf Life: 20 Years from cure date
- Store in original packaging in clean and dry warehouse
- Do not expose to direct sunlight
- Keep more than 6' away from electric motors
- Maintain temperature between 65°F and 85°F
PTFE Gasket Standards Compliance:- FDA CFR 21, 177.1550
- U.S. Pharmacopeia Class VI Certification
- USDA Hazard Analysis and Critical Control Points
- Cytotoxicity Criteria
- USDA and 3-A Sanitary Standards
- ADI Free® (Animal Derived Ingredient Free)
- Current Good Manufacturing Practices (CGMP)
John Perry PTFE Gasket Features:- Color Code: No Dot
- -100°F to 500°F Temperature Range
- Excellent heat resistance
- Almost no extractables
- Low absorption rate
- Excellent resistance to process fluids
- Good stability
PTFE Material is also available in:- Type I and II Tri-Clamp® Gaskets
- Screen Gaskets
- Sock Gaskets
- Orifice Plate Gaskets
- Gauge Guards
- O-Rings
- Mini Steam Trap Orifice Plates
- ANSI 150# Flange Gasket
- ANSI 300# Flange Gasket
- Bevel Seat Gaskets
- APC Gaskets
- I-Line Gaskets
- Q-Line Gaskets
- DIN/ISO
- X-Ray Detectable
- Metal Detectable
- Custom Gaskets, Profiles, Cord, Scrapers
Safety Note Details:
Prop 65 Warning:
1 = Excellent 2 = Good 3 = Acceptable
4 = Marginal 5 = Poor 6 = Do Not Use |
| Material |
Cont.
Steam |
Inter.
Steam |
Pure
Water
Ambient |
Pure
Water
Hot |
Process
Fluids
Ambient |
Process
Fluids
Hot |
Process
Fluid Variables
0°-100°C |
Temperature
Range |
| Tuf-Steel® | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -350°-550°F |
| Tuf-Flex® | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -20°-300°F |
| Food-Flex® | 1 | 1 | 1 | 1 | 1 | 1 | 1 | -30°-250°F |
| PTFE | 1 | 1 | 1 | 1 | 1 | 1 | 3 | -100° to 500°F |
Silicone
(platinum) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | -40°-450°F |
Silicone
(peroxide) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | -40°-450°F |
| FKM | 3 | 2 | 2 | 2 | 2 | 2 | 2 | -30°-400°F |
EPDM
(peroxide) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | -30°-300°F |
| Buna | 0 | 0 | 5 | 5 | 5 | 5 | 5 | -30°-200°F |
John Perry Gasket Sizing
 |
| Size |
Inside Diameter |
Outside Diamter |
| 1" | 0.90"
(22.86mm) | 1.21"
(30.73mm) |
| 1-1/2" | 1.40"
(35.56mm) | 1.80"
(45.72mm) |
| 2" | 1.89"
(48.01mm) | 2.19"
(55.63mm) |
| 2-1/2" | 2.370"
(60.20mm) | 2.65"
(67.31mm) |
| 3" | 2.85"
(72.39mm) | 3.19"
(81.03mm) |
| 4" | 3.78"
(96.01mm) | 4.29"
(108.97mm) |
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