| Items |
 QKF-0606-FNPR 3/8 in. Inside Diameter and 3/8-18 F1 Screw Coupling Flat Face QK Female Coupler with Female Thread |
QKF-0808-FNPR 1/2 in. Inside Diameter and 1/2-14 F1 Screw Coupling Flat Face QK Female Coupler with Female Thread |
QKF-1012-FNPR 5/8 in. Inside Diameter and 3/4-14 F1 Screw Coupling Flat Face QK Female Coupler with Female Thread |
QKF-1212-FNPR 3/4 in. Inside Diameter and 3/4-14 F1 Screw Coupling Flat Face QK Female Coupler with Female Thread |
QKF-1616-FNPR 1 in. Inside Diameter and 1-11 1/2 F1 Screw Coupling Flat Face QK Female Coupler with Female Thread |
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| Description |
SCREW COUPLING - FLAT FACE QK CONNECTABLE UNDER PRESSURE Female coupling - Female thread DN 10 to 25 3/8" to 1" to max WP 450 bar 6525 PSI |
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| General Features |
Connectable under pressure ARGUS QK quick release couplings enable oil leak-free connection and disconnection of hydraulic lines. Their robust construction and tested components make them ideally suited for high and intermittent pressure loads. During the coupling action, valves that release and/or block the flow are automatically activated. The QK quick release coupling, formed by coupling plug and coupling socket, is coupled by a screwing action with the hand nut of the plug component.
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| Materials | Galvanized steel - Brass valve stem guide - HNBR O-rings (other materials optional). Top Coat Cr-III zinc plating with additional trivalent passivation for outstanding surface protection. | |||||||||
| Temperature Range [Min] | -30 ºC-22 ºF | |||||||||
| Temperature Range [Max] | 125 ºC257 ºF | |||||||||
| Brand | ALFAGOMMA® | |||||||||
| Dash | 06 | 08 | 10 | 12 | 16 | |||||
| Inside Diameter | 3/8 in10.0 mm | 1/2 in13.0 mm | 5/8 in16.0 mm | 3/4 in19.0 mm | 1 in25.0 mm | |||||
| Working Pressure Conn. | 6525 psi | |||||||||
| Working Pressure Disconn. | 5075 psi | |||||||||
| Thread 1 | NPTF | |||||||||
| F1 | 3/8-18 | 1/2-14 | 3/4-14 | 3/4-14 | 1-11 1/2 | |||||
| FC | M28x2 | M35x3 | M38x3 | M43x3 | M52x4 | |||||
| D1 | 34.8 mm | 40.8 mm | 43.8 mm | 51.0 mm | 59.8 mm | |||||
| CH | 27.0 mm | 32.0 mm | 34.0 mm | 42.0 mm | 50.0 mm | |||||
| L1 | 69.3 mm | 74.5 mm | 81.3 mm | 93.0 mm | 101.0 mm | |||||
| Type | Flat Face QK Female Coupler with Female Thread | |||||||||
| End Type | Female | |||||||||
| Note |
Other sizes and connection types available on request. Specific instructions for installation, use and maintenance are separately provided. NPTF connection according to ANSI B1-20.3. Other threads available. |
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