Accessories & Ancillaries
Pentair WellMate Pressure Tanks Indonesia
Select a Pentair WellMate pressure tank from drawdown, cut-in/cut-out, precharge, pressure, and pump duty with PT Watermart Perkasa for Indonesian projects.
Short answer: Pentair WellMate pressure tanks serve well, booster, and hydropneumatic systems. Select capacity from required drawdown, pump flow and minimum run time, cut-in/cut-out pressure, precharge, and the model pressure limit. A WellMate is not an FRP vessel filled with filter media or resin; see FRP filter and softener vessels for that duty.
PT Watermart Perkasa, operating at water.co.id, supplies Pentair WellMate in Indonesia for domestic, commercial, agricultural, and process-water systems. Options include WM, UT, HP, and SP series, in-line tanks, micronizers, and accessories. Confirm the final model against pump data, pressure-switch settings, connections, space, and current Pentair catalogues and manuals.
What data are needed to select a WellMate?
Total tank capacity is not the same as the usable water volume between cut-in and cut-out. Use drawdown at the correct pressure range, then check pump minimum run time and the vessel pressure limit.
| System data | Decision affected |
|---|---|
| Pump flow and minimum run time | Drawdown target that limits excessive pump cycling |
| Cut-in and cut-out pressure | Drawdown factor and operating range |
| Actual precharge | Usable water volume and pressure-switch response |
| Maximum working pressure | Vessel series and margin for abnormal conditions |
| Diameter, height, and connection | Plant-room fit, pipework, and installation orientation |
| System duty | Whether WM, UT, HP, SP, or an in-line series should be assessed |
Pentair WellMate series and manufacturer data
Advantages of WellMate Products for Water Treatment Systems
- Corrosion-resistant composite construction: Check model suitability against the water and plant-room conditions.
- Installation weight: The catalogue lists each model weight for transport and support planning.
- Model certification: Match the listed NSF/ANSI or other certification for the model to project requirements.
- Drawdown data: Use the value for the correct cut-in/cut-out range, not nominal tank capacity.
- Maintenance: Follow the manual checks for precharge, leakage, pressure switch, and relief device.
WellMate Featured Products from PT Watermart Perkasa
1. WellMate Composite Pressure Tanks (WM, UT, HP, SP Series)
WellMate composite pressure tanks are available in various series and capacities, suitable for water storage, pressure boosting, water treatment, and hydropneumatic applications. Each model is designed to meet the specific needs of domestic, commercial, and agricultural water systems.
| Model | Capacity (Gal/L) | Max Operating Pressure (psi/bar) | Drawdown 30/50 (Gal/L) | Diameter (in/cm) | Height (in/cm) | System Connection (Top/Bottom) | Weight (lbs/kg) |
|---|---|---|---|---|---|---|---|
| WM-4 | 14.5 / 55 | 125 / 8.6 | 4.5 / 17.0 | 16 / 41 | 26 / 66 | 1″ MNPT Top | 17.7 / 8.1 |
| WM-9 | 25.9 / 112 | 125 / 8.6 | 9.1 / 34.4 | 16 / 41 | 44 / 112 | 1″ MNPT Top | 27 / 12.2 |
| UT-30 | 30 / 114 | 75 / 5.0 | 16 / 41 | 15 / 38 | 46 / 118.8 | 1-1/4” Socket QC | 23 / 10.4 |
| UT-80 | 80 / 303 | 75 / 5.0 | 21 / 53 | 26 / 66 | 64.2 / 163.2 | 1-1/4” Socket QC | 53 / 24.0 |
| HP-7 | 30 / 114 | 75 / 5.0 | 6.6 / 25.0 | 16 / 41 | 45.2 / 115.6 | 1-1/4” Vent Line / 1-1/4” Socket | 24 / 10.9 |
| HP-18 | 80 / 303 | 75 / 5.0 | 17.8 / 67.4 | 21 / 53 | 63.7 / 161.9 | 1-1/4” Vent Line / 1-1/4” Socket | 55 / 24.9 |
| SP-9 | 40 / 151 | 100 / 7.0 | 9 / 34 | 16 / 41 | 56.5 / 144 | 1-1/4” Socket (T/B) | 35 / 15.9 |
| SP-18 | 80 / 303 | 100 / 7.0 | 18 / 67 | 21 / 53 | 62 / 157 | 1-1/4” Socket (T/B) | 67 / 30.5 |
For full specifications and other models, please download the following product catalog: Download wm900-composite-pressure-tank-cat.pdf
Main Applications:
- Water storage & pressure boosting
- Water treatment systems (buffer tanks, chemical dosing, iron/sulfur removal)
- Hydropneumatic installations
- Agricultural/irrigation
- Commercial & residential plumbing systems
2. WellMate Drawdown Factors - Residential Tank Sizing Calculator
Pressure-tank sizing depends on the required drawdown. The WellMate Drawdown Factors Residential Tank Sizing Calculator provides drawdown factors based on Boyle’s law for listed cut-in/cut-out and precharge combinations.
- Pressure range: 20-125 PSIG
- Drawdown factor table for various pressure combinations
- Industry standard reference for booster system design, well bore, and hydropneumatic applications
Download the full sizing calculator datasheet here: Download WellMate_TankSizingCalculator_DrawdownFactors.pdf
Drawdown Factors Table Example
| Maximum System Pressure (PSIG/kPa/bar) | Minimum System Pressure (PSIG/kPa/bar) | 20 (138) 1.38 | 25 (173) 1.72 | 30 (207) 2.06 | 35 (242) 2.41 | 40 (276) 2.76 | 45 (311) 3.10 | 50 (345) 3.45 |
|---|---|---|---|---|---|---|---|---|
| 30 (207) 2.06 | 0.21 | |||||||
| 35 (242) 2.41 | 0.28 | 0.19 | ||||||
| 40 (276) 2.76 | 0.34 | 0.26 | 0.17 |
Notes: Drawdown factor is based on Boyle’s law, but actual values may vary depending on system conditions, pressure switch/gauge accuracy, precharge pressure, and temperature.
3. WellMate In-Line Pressure Tanks (WM01 & WM02)
WellMate WM01 and WM02 In-Line Pressure Tanks are compact pressure tank solutions for domestic borehole systems and booster pump applications. Featuring a replaceable air charge valve, durable butyl diaphragm, and a lightweight, rust-resistant epoxy-coated steel shell.
| Specification | WM01 | WM02 |
|---|---|---|
| Volume (US gal/L) | 2.0 gal (7.6 L) | 4.6 gal (17.4 L) |
| Drawdown (20-40 PSI) | 0.7 gal (2.6 L) | 1.7 gal (6.1 L) |
| Drawdown (30-50 PSI) | 0.6 gal (2.3 L) | 1.5 gal (5.3 L) |
| Precharge Pressure | 20 PSI (138 kPa) | 20 PSI (138 kPa) |
| Max Working Pressure | 100 PSI (690 kPa) | 100 PSI (690 kPa) |
For the full datasheet, please download: Download wm01-inlinepressuretank-mr14-ds.pdf
Application:
- Private residential wells
- Booster pump systems
- Water pressure stabilization for irrigation
4. WellMate Micronizer - Continuous Air Charging Device
Pentair WellMate Micronizer is a venturi-based air charging device mounted on a hydropneumatic system to maintain optimal air volume in the pressure tank. Made of non-corrosive PVC, it is easy to set up without tools, and is compatible with all WellMate tanks.
- Pipe size: 1” male NPT
- Operating flow: 5-15 gpm
- Working pressure: 10-60 psi
- Hand-adjustable air draw setting
Download the micronizer datasheet here: Download wm107-micronizer-mr14-ds.pdf
5. WellMate Base Extender - Tank Height Increase Platform
The Pentair WellMate Base Extender raises listed 16-inch-diameter tanks where pipe alignment or service access requires additional height. Confirm the supported model and load before stacking or installation.
| Model Number | Compatible Tanks | Supported Tank Weight | Diameter | Overall Height | Working Height | Material |
|---|---|---|---|---|---|---|
| CH14743 | All 16” diameter tanks, WM-6LP, WM-10LP | Up to 330 lbs (149.7 kg) | 16.74” (40 cm) | 5.31” (13.5 cm) | 3.9” (9.6 cm) | Polymeric, high-impact, corrosion-resistant |
Download the base extender datasheet: Download wm303-baseextender-mr14-ds.pdf
6. WellMate Installation & Maintenance Guide
PT Watermart Perkasa provides technical support for WellMate selection in Indonesia. Pentair installation instructions for the UT, HP, and SP Series cover installation, precharge settings, pressure-relief provision, troubleshooting, and periodic maintenance.
- Ensure installation on a flat and firm surface
- Use flexible connectors to avoid vibration
- Set precharge pressure 4 psi below cut-in pressure
- Check air pressure and leaks regularly
Download the complete installation manual: Download w3720-tank-instructions-mr14.pdf
Why Choose WellMate from PT Watermart Perkasa?
- Series selection based on pump data, drawdown, pressure, and space
- Pentair product documents for checking model specifications
- Technical support and tank sizing consultation by experienced team
- Tank, accessories, and supporting devices for the selected configuration
Download All WellMate Datasheets & Manuals
- Download WellMate_TankSizingCalculator_DrawdownFactors.pdf
- Download w3720-tank-instructions-mr14.pdf
- Download wm01-inlinepressuretank-mr14-ds.pdf
- Download wm107-micronizer-mr14-ds.pdf
- Download wm303-baseextender-mr14-ds.pdf
- Download wm900-composite-pressure-tank-cat.pdf
- Wellmate Classic model
Contact PT Watermart Perkasa
For technical consultation, a quotation, or a WellMate order, send the pump, pressure, drawdown, and space data through the PT Watermart Perkasa contact page.
PT Watermart Perkasa supplies Pentair WellMate and helps buyers prepare the initial data for pressure-tank selection in Indonesia.