
Innovative sealing technology for the chemical, petrochemical and pharmaceutical industries.
The 3TL Transfer Loading Series is an all-purpose, high-performance quick coupling. Designed with a metal-to-metal wedge seal, the 3TL requires NO HAMMERING for a secure connection regardless of pressure and temperature.
The design offers a non-restrictive flow with no variation in pipe diameter. The reusable metal-to-metal wedge sealing components further enhance the seal as temperature changes are encountered. The retaining ring ensures safe venting of any residual pressure.



Temperature & Pressure
Size | Fluorocarbon, Aflas, Teflon® | EPDM | Buna-N | Neoprene | Max PSI | Max BAR | ||||
1" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 3245 | 224 |
1" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2453 | 169 |
1 1/2" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 3123 | 215 |
1 1/2" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2320 | 160 |
2" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2612 | 180 |
2" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2000 | 138 |
2" Brass | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 350 | 24 |
3" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 963 | 66 |
3" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 1008 | 69 |
4" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 975 | 67 |
4" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 736 | 51 |
Perfect for situations where connections of high or low temperatures and pressures are experienced – in-plant, through plant, out-of-plant.





HILTAP 3TL SERIES Transfer Loading Safety Quick Coupling
The 3TL Coupling's metal-to-metal wedge seal delivers a leak-free connection without a hammer union. No hammering means less operator strain, faster connections and no more replacing leaky seals. Plus, the 3TL handles fluids under EXTREME temperatures and pressures, making it a high-performance, all-purpose coupling.
The HILTAP™ Series features innovative high and low pressure and temperature sealing couplings, connectors and product recovery/pipeline cleaning technologies. HILTAP™ and the RapidLOK™ family of products serve global industries, providing safe transfer solutions for some of the most difficult and demanding liquid applications.



Temperature & Pressure
Size | Fluorocarbon, Aflas, Teflon® | EPDM | Buna-N | Neoprene | Max PSI | Max BAR | ||||
1" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 3245 | 224 |
1" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2453 | 169 |
1 1/2" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 3123 | 215 |
1 1/2" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2320 | 160 |
2" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2612 | 180 |
2" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 2000 | 138 |
2" Brass | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 350 | 24 |
3" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 963 | 66 |
3" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 1008 | 69 |
4" CS | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 975 | 67 |
4" SST | 400° F | 204° C | 300° F | 149° C | 248° F | 120° C | 275° F | 135° C | 736 | 51 |
Perfect for situations where connections of high or low temperatures and pressures are experienced – in-plant, through plant, out-of-plant.





HILTAP 3TL SERIES Transfer Loading Safety Quick Coupling
The 3TL Coupling's metal-to-metal wedge seal delivers a leak-free connection without a hammer union. No hammering means less operator strain, faster connections and no more replacing leaky seals. Plus, the 3TL handles fluids under EXTREME temperatures and pressures, making it a high-performance, all-purpose coupling.
The HILTAP™ Series features innovative high and low pressure and temperature sealing couplings, connectors and product recovery/pipeline cleaning technologies. HILTAP™ and the RapidLOK™ family of products serve global industries, providing safe transfer solutions for some of the most difficult and demanding liquid applications.
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