SAMPI RVP Pumps
RVP-Series pumps are rotary vane type, self-priming, provided with an integral by-pass valve to protect the pump and system against overpressure. The sliding vane pump consists of a rotor turning inside a cam that is eccentrically machined in relation to the rotor. As the rotor turns, the vanes sliding up and then down from/to it displace the liquid forward. The RVP Series pumps are made with vanes produced from advanced polymers which exhibit extremely low friction coefficients. The self-adjusting vanes compensate for wear and help extend the life of the pump. SAMPI RVP Pumps are originally designed for fuel and light petroleum products applications: due to their efficiency, they can handle volatile liquids and require less horsepower than other equivalent pumps.
On mobile systems (road tankers):
– Direct drive from truck PTO through cardan joint
– Hydraulic motor drive with adaptor
– Pumping set with diesel engine with plate to fix on truck chassis
On stationary systems (terminal, bulk plants and dispensing points):
– Electric motors with belt & pulley or gearbox drive
– High flow dispensers, with electric motors, with rubber hose and nozzle, also with hose reels for long distance dispensing, marine and aviation refuelling
RVP-Series pumps can be supplied upon request in ATEX II 2 G version (applicable to zone 1), also with overheat temperature switch.
| Components | Standard Material | Available Options |
|---|---|---|
| Body | Cast Iron | |
| Head | Cast Iron | |
| Flanges | Cast Iron | |
| Rotor | Nodular Iron | |
| Bearing Cover | Steel | Bearing Cover in Aluminium and Couple in Steel |
| Bearings | Spheric, lubricated with grease at 149°C (300°F) max | |
| Vanes | Resin with parts in Stainless Steel 316 at 115°C (240°F) 4250 cP (20000 SSU) max | |
| Bypass Valve | Cast Iron with Nickel | |
| Bypass/Head AOV | Cast Iron | |
| Bypass Valve Cover | Cast Iron | |
| Spring Bypass Valve | Plated Steel | |
| Mechanical Seal | Cast Iron | Stainless Steel and Ni-Resist |
| Mechanical part of seal | Steel | |
| Shaft | Carbon Steel | |
| O-rings | Buna-N at 115°C (240°F) | |
| Gaskets | Composit until 260°C (500°F) | |
| Vanes Guide | Hardened Steel |
| MODEL | FLANGE | MAX FLOW RATE | MAX VISCOSITY | MAX WORKING PRESSURE |
| RVP20 | 2″ | 333 l/min (88 GPM) @ 780 RPM | 4250 cP (20000 SSU) | 13,8 bar (200 PSI) |
| RVP25 | 2½” | 602 l/min (159 GPM) @ 780 RPM | 4250 cP (20000 SSU) | 13,8 bar (200 PSI) |
| RVP30 | 3″ | 1026 l/min (271 GPM) @ 640 RPM | 4250 cP (20000 SSU) | 13,8 bar (200 PSI) |