Threaded Flat-Face Couplings – Screw-Lock, Carbon Steel, Connect Under Pressure (300-450 bar)
Threaded Flat-Face Couplings – Screw-Lock, Carbon Steel, Connect Under Pressure (300-450 bar)
Our threaded flat-face coupling series offers perfect interchangeability with the Stucchi VEP portfolio, facilitating seamless upgrades and replacements. Built with a screw-locking mechanism for secure connection, the body is crafted from carbon steel and treated with either Zn-Fe (Cr III) or Zn-Ni for superior corrosion resistance. Thread options include BSP, NPT and SAE to support global applications. Standard sealing is NBR/PU, with FKM and EPDM available for elevated chemical or temperature requirements. Operating temperature spans –25 °C to +100 °C, while the rated working pressure is 300-450 bar. Critically, this series allows connect/disconnect under pressure, up to a maximum of 300 bar. Engineered for high-performance hydraulic systems, this coupling range is ideal for OEMs and distributors seeking reliable, globally compatible industrial fittings.
| Nominal size | Working pressure | Rated flow(ISO) | Max flow rate | Burst pressure | Fluid spillage | |||
| FT | ISO | Mpa | l/min | l/min | Male(Mpa) | Female(Mpa) | Coupled(Mpa) | cc |
| 10 | 10 | 35 | 23 | 46 | 130 | 170 | 140 | 0.010 |
| 12 | 12.5 | 35 | 45 | 90 | 140 | 140 | 140 | 0.012 |
| 16 | 16 | 35 | 74 | 150 | 140 | 140 | 140 | 0.015 |
| 19 | 19 | 35 | 100 | 200 | 140 | 140 | 140 | 0.020 |
| 25 | 25 | 35 | 189 | 280 | 140 | 140 | 140 | 0.030 |
| 31 | 31.5 | 30 | 379 | 700 | 120 | 120 | 120 | 0.050 |
Our Services:
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1. Customized design, OEM is available. |
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2. In-time & professional after sales service. |
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3. Low MOQ, standard package, fast delivery. |
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4. Special discount and protection are provided to our distributors. |
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5. As an honest seller, we always use superior raw material, advanced equipments, skilled technicians and strict quality control to ensure our products to be finished in high quality and stable feature. |
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.