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24 2008SSD-34 (5/11)
Single-Compressor Module Maintenance
6.0 speCifiCatioNs
Table 7 Compressor Module Specications
General Information
Inlet pressure range Model specic - refer to application envelope
Outlet pressure range
70 to 275 psig (depends on model—see page
iv)
Mechanical Description
Module weight Approximately 350 lb. (160kg)
Suction connection 1.0” NPT
Discharge connection 0.75” NPT
Sound level Approximately 72 dBA @ 1 m, 58 dBA @ 10 m
Vibration 3 mil at 60 Hz
Minimum cold start ambient temperature
1,4
Compressor -20°F (-29°C) VFD power 14°F (-10°C)
Ambient operating temperature range
1,4
0 to 122°F (-18 to 50°C)
Module dimensions See Figure 4 on page 7
Materials of Construction
Compressor - general Cold rolled steel, aluminum, cast iron as required
Compressor bearings Self-lubricated, sleeve type, steel backed
Oil heat exchanger Aluminum
Oil/gas separator tank Cold rolled steel
Tubes/ttings/skid structure Stainless/carbon steel
Lubrication
Oil type Synthetic, 15 or 32 weight, PAO (special factory-supplied blend)
System oil capacity, oz. (ml) 170 uid ounces (5.0 liters)
Projected oil consumption
2
Approximately 40 oz. (0.9 l) / 8,000 hours at 0.25 psig suction (<5 ppm)
System Electrical (Standard)
Minimum VFD ambient startup temperature
3,4
+14°F (-10°C)
Power supply to inverter
• Voltage range
• Input frequency range
380 to 480VAC (50/60 Hz)
Overpressure detection (outlet) 215 psig open
Underpressure detection (inlet) 0.75 psig open (low pressure system) / 2" water column
Oil overtemperature detection 240°F (110°C) open (280°F for SZV) model specic
Fault output to customer Packager to establish
Run input from customer Dry contact
Gas Medium
Natural gas
H
2
S maximum content
5
25 ppm
Moisture content
5
100% saturated, no free liquids
Inlet temperature
5
-20 to 115°F (-28 to 46°C); protection from freezing if water is present
1. If the Compressors are started at temperatures above the listed minimums and continue to run, the minimum operating temperature
is 20°F (-29°C).
2. Based on sweet gas wellhead gas. Results may vary due to gas quality and site conditions.
3. Do not apply power to the VFD if ambient temperature is below this level.
4. If power is continuously supplied to the VFD when the Compressor is off, the minimum starting temperature is -4°F (-20°C).
5. Consult factory for more details and applications guidelines.