Key Features
- Stainless Steel Construction: Made from AISI 316 stainless steel, offering superior corrosion resistance and durability in harsh environments.
- High Pressure Design: Capable of handling very high working pressures and pressure peaks, making them suitable for the most demanding hydraulic applications.
- Screw to Connect Mechanism: Ensures a robust and secure connection, minimizing the risk of accidental disconnections and enhancing safety.
- Interchangeability: Compatible with the VVS Series, facilitating easy integration and replacement within existing hydraulic systems.
- Leak-Free Performance: Precision-engineered to deliver secure, leak-free connections, even under high-pressure conditions.
- Easy Operation: Designed for quick and effortless screw connection and disconnection, reducing downtime and improving productivity.
- Safety Locking Mechanism: Enhances operational safety by ensuring a secure connection and preventing accidental disconnections.
Applications
The VVSS Series Stainless Steel High Pressure Heavy Duty Screw Connect Quick Couplings are ideal for a wide range of hydraulic applications, including:
- Marine and Offshore: Provides reliable high-pressure connections for equipment exposed to harsh marine environments, withstanding saltwater and corrosive conditions.
- Oil and Gas Industry: Ideal for use in high-pressure environments in oil rigs and other critical applications, offering superior corrosion resistance.
Technical Specifications
Pressure Performance
| Size | Item No. | Max.WP | BP(coupled) | BP(male) | BP(female) |
|---|---|---|---|---|---|
| 1/4″ | VVSS-6,3 | 10150 | 53650 | 53650 | 55100 |
| 3/8″ | VVSS-10 | 9425 | 37700 | 33350 | 29000 |
| 1/2″ | VVSS-12,5 | 8700 | 36250 | 30450 | 39150 |
| 3/4“ | VVSS-19 | 7250 | 34800 | 30450 | 24650 |
| 1” | VVSS-25 | 6670 | 21750 | 23200 | 27550 |
| 1 1/4“ | VVSS-31,5 | 5510 | 14500 | 14500 | 14500 |
| 1 1/2” | VVSS-38 | 5292.5 | 14500 | 13050 | 13775 |
| 2“ | VVSS-51 | 4350 | 13050 | 13050 | 13050 |
| WP:Working Pressure; BP: Burst Pressure；psi | |||||
Temperature Performance
| Seal Material | Min. Temp | Max. Temp | ||
|---|---|---|---|---|
| FKM Seal* | -20 ˚C | -4 ˚F | 200˚C | 392˚F |
| Nitrile Seals | -40 ˚C | -40 ˚F | 106˚C | 223˚F |
| * default seal material | ||||
Dimensions
| Size | Item No. | A | B | C | D | ØE | F | G | ØH | ØI | ØJ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4″ | VVSS-6,3 | 1/4″ | 25 | 27 | 43 | 30 | 61.5 | 84.5 | 27 | 25 | 14 |
| 3/8″ | VVSS-10 | 3/8″ | 32 | 36 | 48.5 | 39 | 69 | 89.5 | 35 | 32 | 19 |
| 1/2″ | VVSS-12,5 | 1/2″ | 34 | 41 | 53 | 44 | 79 | 103 | 38 | 38 | 20.5 |
| 3/4“ | VVSS-19 | 3/4“ | 46 | 50 | 63 | 54 | 97.5 | 121.5 | 48.5 | 44 | 28 |
| 1” | VVSS-25 | 1” | 50 | 54.5 | 72.5 | 59 | 112.5 | 139 | 54 | 54 | 31.5 |
| 1 1/4“ | VVSS-31,5 | 1 1/4“ | 65 | 74.5 | 86 | 80 | 139.5 | 167 | 70 | 69.5 | 44 |
| 1 1/2” | VVSS-38 | 1 1/2” | 80 | 90 | 95 | 98 | 172 | 188 | 83 | 78.5 | 53.5 |
| 2“ | VVSS-51 | 2“ | 110 | 123 | 118.5 | 127.5 | 160 | 228 | 115.5 | 105 | 82 |
| A: Thread Size; Dimensions: mm | |||||||||||
Conclusion
The VVSS Series Stainless Steel High Pressure Heavy Duty Screw Connect Quick Couplings offer a robust, efficient, and reliable solution for hydraulic systems in corrosive and high-pressure environments. With their compatibility with the VVS Series, durable AISI 316 stainless steel construction, and easy operation, these couplers ensure secure and leak-free connections in even the most demanding applications. Whether used in marine, oil and gas, food and beverage, pharmaceuticals, industrial machinery, mobile hydraulics, agriculture, or mining, the VVSS Series delivers unmatched performance and reliability, enhancing overall system productivity and safety.
