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High-Performance Variable Speed Screw Compressor

The YLG20Z-84 screw compressor is a state-of-the-art industrial solution designed for efficient and reliable compressed air production. Engineered with advanced screw compression technology, this model ensures high performance and stability, making it ideal for various industrial applications that require consistent and efficient air supply.

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Model:
YLG20Z-84
Brand:
Blait

High Efficiency: The YLG20Z-84 incorporates an optimized screw rotor design that minimizes energy consumption while maximizing output, resulting in exceptional operational efficiency and reduced energy costs.

Robust Construction: Built with high-quality materials and components, the YLG20Z-84 is designed for durability, ensuring long service life and reliability even in demanding environments.

Variable Speed Drive: This compressor features a variable speed drive (VSD) that dynamically adjusts the motor speed according to the air demand. This not only enhances energy efficiency but also extends the lifespan of the machine.

Integrated Control System: The compressor comes equipped with a user-friendly control system that allows for real-time monitoring of performance metrics, enabling operators to optimize settings and ensure smooth operation.

Compact Design: With a space-saving design, the YLG20Z-84 is easy to install and maintain. Its compact footprint makes it suitable for various industrial settings where space is limited.

Versatile Applications: This screw compressor is suitable for a wide range of industries, including manufacturing, automotive, food processing, and more, providing a reliable source of compressed air for different applications.

Product model:(YLG20Z-84~YLG30Z-118)

Engine displacement:

(50Hz):84m³/h~118m³/h

(60Hz):101m³/h~142m³/h

Features:

Under medium and low temperature conditions, the compressor demonstrates high efficiency, energy saving, and environmental friendliness. Refrigerants suitable for use include R22, R404A, R507A, etc.

Performance advantages:

The YZ57 tooth profile line, composed of arcs and higher-order curves.
Equipped with a standard PTC110°C temperature sensor.
Suitable for high-pressure working conditions, with a pressure difference resistance of 2.0MPa.
Equipped with a standard INT69 FSY protection module.
The area utilization coefficient has reached 0.41 & 0.45.
Equipped with oil flow switch and monitoring of oil circulation as standard.
The leakage triangle area is smaller than that of conventional wire, effectively reducing leakage losses.

Dimensional Drawings：

QQ截图20240719135726

Suction, Exhaust Valve Connector

MODEL	YLG20Z-84	YLG25Z-100	YLG30Z-118
SL	φ54(21/8")	φ54(2 1/8")	φ54(2 1/8")
DL	φ42(13/8")	φ42(1 3/8")	φ42(1 3/8")

Graphical Takeover Position Description

1.High voltage connection point (HP)

2.Low voltage connection point(LP)

3.Exhaust temperature sensor (HP)

4.Economizer or spray connection (stop valve or connector purchase）

5.Fuel iniection port

6.Hydraulic pressure measuring port

7.Oil drain plug (motor side)

8.The body earthing bolt

9.Pipe clamp screw

10.Oil supply solenoid valve

11.Oil flow switch

Application Scope lcon

Performance Parameter Table (R22)

Freqency 50 Hz

Based on 10 degree suction superheat;

and liquid re-cooling (Economiser operation)

Compressor type	Cond temp（℃）	Qo(kw) Pe(kW)	Cooling capacity Qo (kw) Power consumption Pe (kW)
			Evaporating temperatue (C )
			-10	-15	-20	-25	-30	-35	-40	-45
YLG20Z-84	30	Qo	61.9	51.9	43.4	35.9	29.3	23.5	18.4	14.1
	30	Pe	19.4	18.5	16.9	16.6	15.8	15.2	14.6	13.9
	40	Qo	59.1	49.5	41.3	34	27.6	21.9	17.1	12.8
	40	Pe	23.2	22.2	21.3	20.5	19.7	19.2	18.3	17.4
	50	Qo	55.1	46.3	38.4	31.4	25.2	19.8	15
	50	Pe	27.8	26.8	26.2	25.3	24.5	23.2	21.8
YLG25Z-100	30	Qo	71.4	60.6	50.9	42.3	34.7	28	22.2	17.2
	30	Pe	22.2	21.3	20.5	19.8	18.6	17.9	17.2	16.6
	40	Qo	68.7	58.1	48.6	40.3	32.8	26.4	20.7	15.8
	40	Pe	26.5	25.4	24.5	23.6	22.7	21.8	20.9	20.1
	50	Qo	65.1	54.9	45.7	37.5	30.3	23.9	18.4
	50	Pe	31.8	30.7	29.5	28.6	27.7	26.1	25
YLG30Z-118	30	Qo	83.1	70.5	59.3	49.4	40.6	32.8	26.1	20.2
	30	Pe	25.9	24.7	23.5	22.4	21.4	20.5	19.6	18.8
	40	Qo	79.9	67.6	56.7	47	38.5	30.9	24.4	18.7
	40	Pe	30.5	29.3	28.2	27.1	26	25.1	23.9	22.8
	50	Qo	75.2	63.6	53.1	43.8	35.5	28.2	21.8
	50	Pe	36.5	35.6	33.9	32.6	31.5	30.3	28.7

Performance Parameter Table (R404A/R507A)

Freqency 50 Hz

Based on 10 degree suction superheat;

and liquid re-cooling (Economiser operation)

Compressor type	Cond temp（℃）	Qo(kw) Pe(kW)	Cooling capacity Qo (kw) Power consumption Pe (kW)
			Evaporating temperatue (C )
			-15	-20	-25	-30	-35	-40	-45
YLG20Z-84	30	Qo	56.8	47.9	40	33	26.8	21.4	16.7
	30	Pe	22.6	22.1	21.4	20.7	19.7	18.6	18
	40	Qo	53.7	53.7	37.5	30.7	24.7	19.5	14.9
	40	Pe	28.3	28.3	26.8	25.8	24.7	23.5	21.9
	50	Qo			34.2	27.1	21.6	16.5	11.9
	50	Pe			32.1	30.9	29.5	28.5	26.3
YLG25Z-100	30	Qo	66.3	55.9	46.7	38.5	31.3	25.1	19.6
	30	Pe	25.3	24.5	23.8	22.9	22.5	21.2	20.3
	40	Qo	62.6	52.7	43.9	36	29.1	23	17.7
	40	Pe	31.8	31.2	28.8	29.2	28.2	26.5	24.8
	50	Qo			42.6	33.7	25.7	19.8	14.6
	50	Pe			40.2	37.7	34.8	32.6	30.2
YLG30Z-118	30	Qo	75.6	63.9	53.4	44.1	36	28.9	22.7
	30	Pe	29.1	28.1	27.2	26.3	24.9	24.1	22.8
	40	Qo	71.4	60.3	50.3	41.5	33.8	26.9	21
	40	Pe	36.2	35.2	33.8	32.8	31.2	30	28.5
	50	Qo			46.2	38	30.8	24	18.3
	50	Pe			41.5	40.1	38.4	37.7	35.2

Technical Data Sheet

Compressor type	Displacement (50Hz)	Displacement (60Hz)	Discharge pipe	Suction pipe	Energy regulation	Power supply	Maximumoperating current	Maximumpower	Start/locked rotor current	Weight
Compressor type	m³/h		mm (inch)		%	V/φ/Hz	A	kW	A	kg
YLG20Z-84	84	101	φ42(15/8")	φ54(21/8")	100/90/55	400±10% △/△△3~/50HZ 460±10% △/△△3~/60HZ Part Winding	48	29	129/210	166
YLG30G-84	84	101			100/90/70		52	33	126/218	170
YLG25Z-100	100	121			100/80/45		52	33	126/218	169
YLG35G-100	100	121			100/85/60		58	37.3	153/266	178
YLG30Z-118	118	142			100/75/45		58	37	153/266	174
YLG40G-118	118	142			100/80/55		66	42	182/311	183