Tubing
Tech specs, prices, quantities, and recommended suppliers for the tubing in FarmBot Genesis
| Qty. | Component | $/Unit | Subtotal | 
|---|---|---|---|
| 2 | Liquid/Gas Tubes | $10.00 | $20.00 | 
| 3 | Barbs | $6.00 | $18.00 | 
| 1 | Barbed Adapter | $2.00 | $2.00 | 
| 1 | Garden Hose Adapter | $5.00 | $5.00 | 
| 3 | O-rings | $0.50 | $1.50 | 
| 4 | Grommets | $0.25 | $1.00 | 
| 1 | Pressure Regulator | $6.00 | $6.00 | 
| 1 | Luer Lock Adapter | $5.00 | $5.00 | 
| 6 | Luer Lock Needles | $3.00 | $18.00 | 
| 22 | TOTALS | $76.50 | 
Liquid/Gas Tubes
These ultra flexible tubes carry liquids and gases to and from the UTM including water and vacuum air.
| Length | 6m | 
| Material | Masterkleer PVC | 
| Color | Clear | 
| Flexibility | Very Flexible | 
| Compatible Tube Fittings | Barbs | 
| Inner Diameter | 1/4” | 
| Outer Diameter | 3/8” | 
| Wall Thickness | 1/16” | 
| Bend Radius | 1” Minimum | 
| Max Pressure | 35 psi at 73° F | 
| Temperature Range | -45° to 165° F | 
| Recommended Supplier | McMaster Carr - Part Number 5233K56 | 
| Price | $10.00 | 
| Quantity | 2 | 
Barbs
These stainless steel barbs screw into the UTM’s three liquid/gas ports and accept the three liquid/gas lines coming from the z-axis cable carrier.
 
   
  
   
| For Tube ID | 1/4” | 
| Threads | 10-32 UNF Straight Threads | 
| Hex Size | 5/16” | 
| Overall Length | 25/32” | 
| Temperature Range | –40° to 1200° F | 
| Maximum Pressure | 500 psi @ 72° F | 
| RoHS | Compliant | 
| Gasket? | Yes | 
| Material | Type 303 Stainless Steel | 
| Recommended Supplier | McMaster Carr - Part Number 4406T14 | 
| Price | $6.00 | 
| Quantity | 3 | 
Barbed Adapter
This adapter threads onto the solenoid valve and is connected to the water tube leading to the UTM.
| Material | Nylon | 
| For Tube ID | 1/4” | 
| Threads | 3/4” NPSM (National Pipe Straight Mechanical) connection, which is compatible with NPT threads | 
| Hex Size | 1.25” | 
| Overall Length | 1.656” | 
| Recommended Supplier | McMaster Carr - Part Number 5372K221 | 
| Price | $2.00 | 
| Quantity | 1 | 
Garden Hose Adapter
This adapter connects standard US garden hoses to the solenoid valve.
| Material | Brass | 
| Threads | 3/4” Female GHT (Garden Hose Thread) 3/4” Female NPT (National Pipe Thread) | 
| Swivel Type | Swivels until tightened | 
| Seal | Rubber Gasket | 
| Maximum Temperature | 195° F | 
| RoHS | Not compliant | 
| Recommended Suppliers | Zoro McMaster Carr - Part Number 70815t44 | 
| Price | $5.00 | 
| Quantity | 1 | 
O-rings
These O-rings fit onto the UTM’s liquid/gas ports and create a solid seal when tools are mounted.
 
    
  | Material | Buna-N | 
| Durometer | A70 (Medium) | 
| Outer Diameter | 10.5mm | 
| Inner Diameter | 7.5mm | 
| Thickness | 1.5mm | 
| Temperature Range | -30° to 212° F | 
| Color | Black | 
| Recommended Supplier | McMaster Carr - Part Number 1171n145 | 
| Price | $0.50 | 
| Quantity | 3 | 
Grommets
These grommets fit onto the UTM cover and allow the liquid/gas tubes and the UTM cable to pass into the UTM assembly while keeping water and dust out.
 
    
  | Material | Rubber | 
| Panel Hole Diameter | 7/16” | 
| Panel Thickness | 3/32” | 
| ID | 3/8” | 
| OD | 5/8” | 
| Overall Thickness | 9/32” | 
| Color | Black | 
| Recommended Supplier | McMaster Carr - Part Number 9600k33 | 
| Price | $0.25 | 
| Quantity | 4 | 
Pressure Regulator
This pressure regulator reduces the pressure from a municipal water supply down to 25 PSI (172 kpa, 1.72 bar) so that FarmBot can more easily control the amount of water it disperses.
| Material | UV resistant plastic | 
| Inlet | 3/4 in. FHT (female hose thread) | 
| Outlet | 3/4 in. MHT (male hose thread) | 
| Color | Black | 
| Length | 6 inches (152.4mm) | 
| Outer Diameter | 1.25 inches (31.75mm) | 
| Outlet Pressure | 25 PSI (172 kpa, 1.72 bar) | 
| Max Input Pressure | 100 PSI (688 kpa, 6.88 bar) | 
| Recommended Supplier | Home Depot | 
| Price | $6.00 | 
| Quantity | 1 | 
Luer Lock Adapter
 
   
  
   
| Price | $5.00 | 
| Quantity | 1 | 
Luer Lock Needles
 
   
  
   
   
| Gauges | |
| Protective Covers? | Yes | 
| Price | $3.00 | 
| Quantity | 6 |