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FDI-P DelPET Series (High Pressure Range)

Specially designed for the PET bottle manufacturing process

Range

34.7 m3/hr to 164 m3/hr (Pressure 25 p_g to 40 p_g)

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Technical Specification

Product Manual

Overview Working Technical Specification

A refrigeration dryer is a system designed to remove moisture from compressed air by cooling it. It plays a vital role in industrial applications, ensuring that compressed air remains dry and free from water vapour, which can otherwise cause corrosion, damage equipment, and reduce efficiency.

Key Features

Wide range of 4 Standard models with capacities from 34.7 m3/hr. To 104 m3/hr. Higher capacities are available on request
Atmospheric dew point achievable (-) 40°C and below
Electronic controls/solid-state timers for automatic and reliable operation
Low power consumption
Equipped with a muffler on the purge air outlet to reduce the noise level
Specially graded desiccant DelSorb 10 and DelSorb 21 for optimum performance and long life

Optional Features

Humidity indicator
Filters and/or total dryer bypass line with valves.
Special Delair filters for removal of water, oil mists, oil vapour and dust particles with electronically operated drain valves
Explosion proof controls for offshore application
Construction according to various codes

Std. Working Parameters

Working Pressure : 25 to 40 kg/cm2(g)
Air inlet temperature : 40°C
Ambient temperature : 40°C

How Does it Works

Delair Refrigeration Dryers operate at high pressure of up to 40 bar. They are based on cooling the air to near freezing point to remove moisture. At nominal conditions, the cold, dry air is reheated by incoming air to approximately 10°C below the incoming compressed air temperature.

The dryer consists of an air drying unit with a centrifugal cum demister pad condensate separator and a refrigeration circuit. The refrigeration circuit consists mainly of a compressor, a condenser, a receiver, a vapour liquid accumulator with liquid refrigerant and an evaporator.

The air drying unit consists of two kinds of heat exchangers: air-to-air heat exchangers and refrigerant-to-air heat exchangers.

MODEL	CAPACITY IN CFM PRESSURE IN KG/CM2(G)			DIMENSIONS (IN MM)			APPROX. WT. (IN KG.)	CONNECTION (IN INCHES)		CONN. LOAD (IN KW)	WATER QTY. (IN M3/HR)
MODEL	25	40	60	L	W	H~	APPROX. WT. (IN KG.)	AIR	WATER	CONN. LOAD (IN KW)	WATER QTY. (IN M3/HR)
FDI-P-18 A	12	12.5	13	880	465	700	90	1/2″ BSP.	—	0.30	—
FDI-P-54 A	37	38	39	880	465	700	90	1/2″ BSP.	—	0.53	—
FDI-P-110 A	76	78	79	880	465	830	100	3/4″ BSP.	—	0.70	—
FDI-P-150 A	103	105	107	1100	465	930	270	1″ BSP.	—	0.75	—
FDI-P-180 A	123	127	129	1100	465	930	270	1″ BSP.	—	0.75	—
FDI-P-220 A	151	155	158	1100	465	930	270	1″ BSP.	—	0.75	—
FDI-P-290 A	198	203	207	1100	465	930	270	1″ BSP.	—	0.75	—
FDI-P-360 A	247	253	258	1250	750	1150	400	2″ F	—	1.63	—
FDI-P-430 A	296	304	309	1250	750	1150	400	2″ F	—	1.63	—
FDI-P-540 A	370	380	386	1250	750	1150	400	2″ F	—	1.94	—
FDI-P-600 A	414	424	431	1676	725	1210	350	2″ F	—	2.73	—
FDI-P-720 A	494	507	515	1676	725	1210	600	3″ F	—	3.1	—
FDI-P-850 A	583	598	608	1676	725	1210	600	3″ F	—	3.1	—
FDI-P-540 W	370	380	386	1250	750	1150	380	2″ F	3/4″ BSP.	1.46	1.1
FDI-P-600 W	414	424	431	1676	725	1210	380	2″ F	3/4″ BSP.	1.77	1.8
FDI-P-720 W	494	507	515	1676	725	1210	520	3″ F	3/4″ BSP.	2.37	1.8
FDI-P-850 W	583	598	608	1676	725	1210	520	3″ F	3/4″ BSP.	2.37	1.8

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Frequently Asked Questions

The Delair FDI Series – Standard Series offers compact, lightweight, and cost-effective solutions, eliminating the need for extensive floor space. With a small footprint, it integrates commercial unit aesthetics with industrial ruggedness. Featuring high-performance desiccant rotors and optional stainless steel construction, it’s versatile, applicable to diverse industries. Its largest capacity range (170 CMH to 4500 CMH) suits pharmaceuticals, food processing, electronics, and more. Simple operation and the patented EcoDry rotor technology ensure efficient moisture control, making it an indispensable, little giant in industrial dehumidification, ideal for various applications worldwide.