MOST PAVE ELECTRICAL HERMETIC FEEDTHROUGHS ARE BI-DIRECTIONAL SEALS FOR VACUUM OR PRESSURE.
PAVE-Seal electrical hermetic feedthroughs are standard or readily custom designed bulkhead electrical or fiber optic cable seals that come in helium-tight hermetic, vacuum-tight, fluid-tight, gas-tight, NEMA 4-6 or IP65-68 type moisture-proof, and/or FM, UL, CSA, Cenelec Exxd explosion-proof seal versions. An unlimited range of cabling types and lengths may be specified. Seal integrity is complete whether pin or insulated wire types.
Seal Integrity PAVE-Seal® PAVE-Mate®
While all PAVE products will comply with helium leak rating from <10-6 cc/sec to 10-9 cc/sec (air equivalent) depending upon design, PAVE also uses more cost effective air bubble in fluid leak testing typically at 80 psi (5 bar). Special high pressure testing up to 10 k psi (600 bar) is also available.
HERMETIC EPOXY TEMPERATURE RATING
(Epoxy is proprietary and not sold separately)
PAVE Wire Seal® 150 -200° to 125° C
PAVE Wire Seal® 200 -200° to 150° C
PAVE Wire Seal® 200UL94VO -200° to 200° C
-200C may be possible when designed for use with a Teflon o-ring
Toxicity Rating K (NASA MAPTIS)
Odor Rating A
Thermal Vacuum Stability Rating A
Flammability Rating X
FM Class 3600, EExd II 90° C TI
Dielectric Strength >17.4 kV/mm
Dielectric Constant 5.3@ 1 Mhz
Volume Resisivity @ 125° C1x1015 Ohm-cm
Dissipation Factor 0.03 @ 1 Mhz
Hardness, Shore D 96
Low Vacuum Outgassing:
High Fungus Resistance MIL-STD–454J/4
Specific Gravity @ 25° C 2.3
Compressive Strength >948 kg/cm2
Compressive Modules 7.7×104 kg/cm2
Tensile Strength >470 kg/cm2
Water Absorption (24 hours) 0.03%
The PAVE-Seal® epoxy is impervious to most oils, solvents, fuels, freons, gases, etc. Epoxy samples are available upon request for customer’s evaluation for any specific chemical compatibility.
Stranded, Plated Copper Wires, 600v (105° C PVC or 200° PTFE Insulation
Any type or size of wire or cable may be specified including coaxial cables, thermocouple wire pairs, high voltage wires, fiber optic cable, flat cables, etc. for length.
NO DETECTABLE LEAKAGE THRU CONDUCTOR OR INSULATION.
|Wire Conductor Gage (AWG)||O.D.||Amperage Rating||Nominal Insulation Overall||Nominal Insulation Diameter (O.D.)|
|30||0.30 mm||2||.03||0.8 mm|
PAVE-Seal Epoxy Comparative Tracking Index
The CTI value is used for electrical safety assessment of electrical apparatus, as for instance carried out by Underwriters Laboratory. The minimum required creepage distances over an insulating material between electrically conducting parts in apparatus, especially between parts with a high voltage and parts that can be touched by human users, is dependent on the insulators CTI value. Also for internal distances in an apparatus by maintaining CTI based distances, the risk of fire is reduced. Performance Level Categories (PLC) were introduced to avoid excessive implied precision and bias. — CTI Test Results
|Tracking Index (V)||PLC|
|600 or Greater||0|
|400 through 599||1|
|250 through 399||2|
|175 through 249||3|
|100 through 174:||4|