Gear pumps
GP-6 gear pump kit
Heated stainless gear pump with a dial controller for speed, flow and heat. 0.3 to 30 L/hr. Build yours in 3D.
The GP-6 kit ships free. Shipping and returns
Pictures and loops
What's included
- Heated stainless 6 cc/rev gear pump, 0.3–30 L/hr
- NEMA 34 stepper drive with 5:1 planetary reducer (24 N·m)
- Black-anodized heated pump cover with a 150 W silicone heater and PT100 sensor
- Dial controller: speed, flow and heat, 120 V
- Stainless cradle foot (4 × M6 slots)
- KF-25 inlet adapter
- 316 stainless check valve on the outlet
- 6 ft motor, heater and power whips
Standard build
| Inlet | KF-25 adapter |
|---|---|
| Outlet | Check valve |
| Base | Cradle foot |
| Controller mount | No mount |
| Whip length | 6 ft |
Specifications
| Flow range | 0.3 – 30 L/hr |
|---|---|
| Displacement | 6.0 cc/rev |
| Pump speed | 1 – 90 rpm, set on the dial |
| Viscosity | up to 200,000 cP (pump rating; the usable limit depends on speed, temperature and discharge pressure) |
| Pump | stainless external gear pump, fully heated pump head |
| Drive | NEMA 34 stepper, 5:1 planetary reducer |
| Pump torque | 24 N·m (motor holding torque × reducer ratio) |
| Heater | 150 W, 120 V~ silicone heater wrap, removable |
|---|---|
| Temperature control | PID, 40 – 90 °C, PT100 Class A (3-wire) |
| Over-temperature | 125 °C manual-reset cutout |
| Supply | 120 V~, 3 A max, IEC C14 inlet, fused, with switch |
| Leads | 6 ft (1.8 m) right-angle motor, heater and power whips; 10 ft and 15 ft options |
| Controller | 140 × 140 × 84 mm, VESA 75 on the back, keyed motor and heater ports, remote E-stop port |
| Pump ports | G 1/2 (BSPP) |
|---|---|
| Inlet, standard | KF-25 flange adapter |
| Inlet, options | KF-25 sight glass · 1-1/2 in tri-clamp ferrule |
| Outlet | 1/2 in tube stub with a 316 stainless check valve; option: 90° elbow forward |
| Wetted | stainless steel pump; 304 / 316 stainless adapters and check valve; borosilicate glass (sight glass option); FKM seals |
|---|---|
| Exterior | black-anodized 6061 aluminium pump cover, wire duct and mount plates; 304 stainless cradle; heater wiring in a closed duct |
| Footprint, with the jack | 345 W × 454 D × 425 H mm (13.6 × 17.9 × 16.7 in); height adjusts with the jack |
|---|---|
| Jack base | 250 × 150 mm |
| Cradle foot (base build) | 120 × 150 mm, 4 × M6 slots; bolts to your shelf or frame plate |
Specifications subject to change without notice.