Vadodara, Gujarat, India

ASM’s Packaged Sewage Treatment Plant (PSTP) are designed to receive raw domestic strength sewage into a below ground collection tank. The raw sewage is macerated to ≤ 2mm particle size, before discharging to a wastewater treatment plant for treatment. The standard package includes a polyethylene tank with access cover and all required PVC pipework, valves and fittings, dual macerator pumps, lifting chains and guide rails, dual controller and float level switches.

A range of common flow rates and tank sizes are provided to suit most wastewater applications. Optional equipment upgrades are available, including tank and access cover materials and a valve chamber; if required.


Parameter Units PSPS-1 PSPS-2 PSPS-3 PSPS-4 PSPS-6 PSPS-9
Pump Flow Rate L/s 1 2 3 4.5 6 9
Pump Discharge Pressure kPa 100 ~ 200 100 ~ 150 160 ~ 250 110 ~ 270 60 ~ 160 50 ~ 180
Tank Size / Pit Capacity L 1,200 / 2,000 / 3,000
Tank Access Cover Class A Pedestrian traffic, nominal load 330kg
Class B Occassional light vehicle traffic, nominal load 2670kg
Class C Slow moving commercial vehicle traffic, nominal load 5000kg
Raw Sewage Inlet Domestic strength
Macerated Sewage Outlet (≤ 2mm particle size)
Ambient Design Temperature °C 5 ~ 45
Power Supply AC 380~450 V, 3 Phase, 50/60 Hz
Pump Motor (each) kW 1.7 1.7 2.4 4.4 4.4 7.4
Tank Dimensions (approx.) mm 1,200L: 1200D x 1555H
2,000L: 1120D x 2400H
3,000L: 2300D x 2200H


✓= Standard Supply o = Optional Supply

Equipment PSPS-1 PSPS-2 PSPS-3 PSPS-4 PSPS-6 PSPS-9
Tank Material Polyethylene
Custom (FRP or concrete) o o o o o o
Access Cover Class A (standard)
Class B (1,200L only) o o o o o o
Class C (2,000L and 3,000L only) o o o o o o
PVC Pipework & Valves
Lifting Chains (stainless steel)
Dual Macerator Pumps
Dual Pump Controller (inner door, no stand)
Guide Rails (stainless steel)
Valve Chamber (2,000L
& 3,000L only)
PE, Class A o o o o o o
PE, Class C o o o o o o


Instrumentation Included
Level Control – Float Tree (high level / start / stop)
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