DUO Compressor Packages

Used for High Stage (High Temperature, Medium Temperature, Low Temperature – Non-Economized, Booster) applications manufactured by SRMtec according to Dynamic Refrigeration specifications has been developed on high technological specifications, ease of maintenance, efficiency in operations, Multiple level safety layers, according to high demanding needs of our customers and compliant to EU standards.

Packages are executed around industrial best, most efficient and reliable SRM series compressor blocks. 16 models in 05 series with capacity ranging from 265 m3/hr to 6350 m3/hr in terms of volumetric flow rate. Covering extremely wide range of temperature and capacity applications, with all standard package accessories as well as extensively customizable modifications/additions available. The packages are generally used for R717(ammonia) but also suitable for refrigerants like R404, R134a, R507a etc.

Application	Evaporation Temp	Condensing Temp
High Temperature	+13°C to -10°C	+18°C to +50°C
Medium Temperature	-10°C to -25°C	+18°C to +50°C
Low Temperature without Economizer	-25°C to -46°C	+18°C to +50°C
Booster	-10°C to -55°C	-30°C to +13°C

Operating Conditions →		+5 / +35			-15 / +35			-35 / +35			-40 / -10
COMPRESSOR MODEL	SPEED	APPLICATION RANGE
COMPRESSOR MODEL	SPEED	HIGH TEMP			MEDIUM TEMP			LOW TEMP w/o ECO			BOOSTER
		Qo	Pe	Pi	Qo	Pe	Pi	Qo	Pe	Pi	Qo	Pe	Pi
12L	3600 RPM	340.1	64.5	75	154.9	56.1	75	60.7	43.2	55	60.6	15.1	18.5
16S	3600 RPM	604.2	103.5	132	278.6	89.2	110	104.9	70.3	90	100	24.7	30
16M	3600 RPM	755.5	124.6	160	348.5	107.2	132	131.4	84.5	110	125.8	30.8	37
16L	3600 RPM	905.5	147.9	185	417.7	127.4	160	157.5	100.4	132	151.7	36.9	45
20S	3600 RPM	1180.5	200.2	250	552.2	172.3	200	210.6	135.7	160	200	48	55
20M	3600 RPM	1527.8	251.9	315	714.7	217.4	250	275.5	171	200	261.8	62	75
20L	3600 RPM	1763.9	289.6	355	825.1	249.9	315	317.9	196.6	250	309.5	72.3	90
20LL	3600 RPM	2077.7	338.5	400	972	292.1	355	379.7	229.7	315	365.4	85.1	110
26S	3600 RPM	2304.1	380.5	450	1077.9	328.6	400	415.9	258.3	315	406.5	94.3	110
26M	3600 RPM	2881.9	465.8	560	1348.1	400.9	480	520.9	315.7	400	510.1	117.9	160
26L	3600 RPM	3441.6	555.7	660	1610	478.3	560	626	376.6	450	610.8	140.1	160
26LL	3600 RPM	4083.3	649.6	800	1910.1	559.1	660	768	440.2	560	724.7	166.1	200
34S	3600 RPM	4666.6	768.1	900	2183	661.6	800	857	520.7	660	825.5	189.8	220
34M	3600 RPM	5944.3	969.9	TBC	2780.7	835.4	TBC	1091.6	657.5	800	1048.1	241.7	315
34L	3600 RPM	7069.3	1130.3	TBC	3307	973.6	TBC	1303.2	766.3	900	1227.9	283.9	355
34LL	3600 RPM	8819.3	1381	TBC	4125.6	1230	TBC	1620.3	953.8	TBC	1523.3	354.2	450
41S	3000 RPM	7981.1	1268.2	TBC	3733.5	1122.4	TBC	1455.5	856.6	TBC	1356.1	327.4	400
41M	3000 RPM	9859	1551.3	TBC	4612	1371.8	TBC	1808.7	1044.6	TBC	1693	408.7	500
41L	3000 RPM	11736.9	1918.4	TBC	5490.5	1664.9	TBC	2164.8	1275.7	TBC	2036.7	491.5	560

Why Choose DR SRMtec Single Stage Compressor Packages

Compressor Block Features:

In addition to all standard compressor block features
Capacity ratings according to EN 12900:2005
Nodular cast iron body with design pressure of 26Bar
High quality forged steel rotors
Latest and most advance “i” Profile screw with high volumetric efficiency
Combination of Roller Bearing with Ball Bearing for extended life
Multi-Point oil injection, ensuring direct and only cool and clean oil for bearings
Variable capacity slide from 10% to 100%
Variable Vi as standard with options both in AUTO variable C MANUAL variable
Innovative below shaft seal for better and uniform sealing performance
Capable for speed range from 1500 ~ 6000

Standard Package Features:

In addition to all standard compressor package features
Multi-function KDC valve on discharge as standard
High efficiency IP55, IE3, TEFC, Insulation Class F motors WEG motors
Motors are designed 20% oversized for smooth start up and overcurrent protection
High efficiency four stage oil separators, making sure less than 5ppm oil carry over
Package comes with Horizontal C Vertical Oil Separators
Thermostatic Oil temperature control as standard
Oil cooling available with Thermosiphon and Water-cooling options
Dual oil filters as standard for additional ease of maintenance
Differential pressure oil cooling
Best in class Viking or Mycom oil pumps
Compressor package with multi-level safeties
Electronic (PLC Based) Parameter monitoring C control
Independent pressure, temperature and other parameter control and cut-off switches
Dual pressure safety valve on Oil Separator C Single pressure safety valve on Oil Cooler
Electronic as well as mechanical monitoring for Suction, Discharge, DOP, PAOF
Highly reliable and flexible PLC based Package Controller with proven control logic
10inch HMI with user-friendly graphical

Service C Product Support:

Please check our product service C product support page.

Use Case

Food Processing Industry
Beverage, Juice & Brewery Industry
Bakery & Confessionary Industry
Dairy & Ice-cream Industry
Fish, Meat, Poultry Processing
Cold Stores & CA Stores
Ice Blocks & Ice Manufacturing

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DUO Compressor Packages

Interested?

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Application	Evaporation Temp	Condensing Temp
High Temperature	+13°C to -10°C	+18°C to +50°C
Medium Temperature	-10°C to -25°C	+18°C to +50°C
Low Temperature without Economizer	-25°C to -46°C	+18°C to +50°C
Booster	-10°C to -55°C	-30°C to +13°C

Operating Conditions →		+5 / +35			-15 / +35			-35 / +35			-40 / -10
COMPRESSOR MODEL	SPEED	APPLICATION RANGE
COMPRESSOR MODEL	SPEED	HIGH TEMP			MEDIUM TEMP			LOW TEMP w/o ECO			BOOSTER
		Qo	Pe	Pi	Qo	Pe	Pi	Qo	Pe	Pi	Qo	Pe	Pi
12L	3600 RPM	340.1	64.5	75	154.9	56.1	75	60.7	43.2	55	60.6	15.1	18.5
16S	3600 RPM	604.2	103.5	132	278.6	89.2	110	104.9	70.3	90	100	24.7	30
16M	3600 RPM	755.5	124.6	160	348.5	107.2	132	131.4	84.5	110	125.8	30.8	37
16L	3600 RPM	905.5	147.9	185	417.7	127.4	160	157.5	100.4	132	151.7	36.9	45
20S	3600 RPM	1180.5	200.2	250	552.2	172.3	200	210.6	135.7	160	200	48	55
20M	3600 RPM	1527.8	251.9	315	714.7	217.4	250	275.5	171	200	261.8	62	75
20L	3600 RPM	1763.9	289.6	355	825.1	249.9	315	317.9	196.6	250	309.5	72.3	90
20LL	3600 RPM	2077.7	338.5	400	972	292.1	355	379.7	229.7	315	365.4	85.1	110
26S	3600 RPM	2304.1	380.5	450	1077.9	328.6	400	415.9	258.3	315	406.5	94.3	110
26M	3600 RPM	2881.9	465.8	560	1348.1	400.9	480	520.9	315.7	400	510.1	117.9	160
26L	3600 RPM	3441.6	555.7	660	1610	478.3	560	626	376.6	450	610.8	140.1	160
26LL	3600 RPM	4083.3	649.6	800	1910.1	559.1	660	768	440.2	560	724.7	166.1	200
34S	3600 RPM	4666.6	768.1	900	2183	661.6	800	857	520.7	660	825.5	189.8	220
34M	3600 RPM	5944.3	969.9	TBC	2780.7	835.4	TBC	1091.6	657.5	800	1048.1	241.7	315
34L	3600 RPM	7069.3	1130.3	TBC	3307	973.6	TBC	1303.2	766.3	900	1227.9	283.9	355
34LL	3600 RPM	8819.3	1381	TBC	4125.6	1230	TBC	1620.3	953.8	TBC	1523.3	354.2	450
41S	3000 RPM	7981.1	1268.2	TBC	3733.5	1122.4	TBC	1455.5	856.6	TBC	1356.1	327.4	400
41M	3000 RPM	9859	1551.3	TBC	4612	1371.8	TBC	1808.7	1044.6	TBC	1693	408.7	500
41L	3000 RPM	11736.9	1918.4	TBC	5490.5	1664.9	TBC	2164.8	1275.7	TBC	2036.7	491.5	560

Why Choose DR SRMtec Single Stage Compressor Packages

Compressor Block Features:

In addition to all standard compressor block features
Capacity ratings according to EN 12900:2005
Nodular cast iron body with design pressure of 26Bar
High quality forged steel rotors
Latest and most advance “i” Profile screw with high volumetric efficiency
Combination of Roller Bearing with Ball Bearing for extended life
Multi-Point oil injection, ensuring direct and only cool and clean oil for bearings
Variable capacity slide from 10% to 100%
Variable Vi as standard with options both in AUTO variable C MANUAL variable
Innovative below shaft seal for better and uniform sealing performance
Capable for speed range from 1500 ~ 6000

Standard Package Features:

In addition to all standard compressor package features
Multi-function KDC valve on discharge as standard
High efficiency IP55, IE3, TEFC, Insulation Class F motors WEG motors
Motors are designed 20% oversized for smooth start up and overcurrent protection
High efficiency four stage oil separators, making sure less than 5ppm oil carry over
Package comes with Horizontal C Vertical Oil Separators
Thermostatic Oil temperature control as standard
Oil cooling available with Thermosiphon and Water-cooling options
Dual oil filters as standard for additional ease of maintenance
Differential pressure oil cooling
Best in class Viking or Mycom oil pumps
Compressor package with multi-level safeties
Electronic (PLC Based) Parameter monitoring C control
Independent pressure, temperature and other parameter control and cut-off switches
Dual pressure safety valve on Oil Separator C Single pressure safety valve on Oil Cooler
Electronic as well as mechanical monitoring for Suction, Discharge, DOP, PAOF
Highly reliable and flexible PLC based Package Controller with proven control logic
10inch HMI with user-friendly graphical

Service C Product Support:

Please check our product service C product support page.

Download Product Documents

Screw Compressors - Brochure

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Heating and Refrigeration Products & Service

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Product Specifications DEC Screw Compressor

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