Silent In-Line Series

The Silent In-Line Series was built for people who want real airflow — without the noise that usually tags along.
It’s calm, steady, and tough enough for nearly any setup — from home ventilation systems to busy commercial or industrial spaces that need quiet performance around the clock.

Each unit is made from heavy‑gauge galvanized steel with an anti‑corrosion coating, so it stands up well in humid or demanding environments. Inside, the aerodynamic design keeps everything balanced, moving air efficiently while keeping noise to a whisper.

It comes in multiple sizes and airflow capacities, so whether you’re installing a compact residential duct or upgrading a larger commercial network, there’s a model that fits smoothly into the plan.

The shape is clean and compact — a cubic design that makes installation refreshingly simple. The standardized mounting brackets mean you can bolt it in and align the ducts without wrestling the hardware for half a day.

Quiet. Reliable. Built like it belongs there. The Silent In‑Line Series doesn’t make a scene — it just keeps air moving, quietly doing its job for years to come.

Dimensions (unit: mm):

Model	L	L1	W	W1	H	H1	C
DPT10-12B	462	388	240	180	200	45	Φ96
DPT10-24B	462	388	240	180	200	45	Φ96
DPT15-32B	488	388	240	186	238	40	Φ148
DPT15-42B	540	440	270	210	380	51	Φ148
DPT20-54B	562	470	340	270	382	52	Φ198
DPT20-54C	632	540	370	270	320	71	Φ198
DPT20-65B	662	570	401	300	365	94	Φ198
DPT25-76B	662	570	401	300	365	94	Φ250
DPT25-76C	732	640	401	340	380	61	Φ250
DPT25-86B	732	640	401	340	380	61	Φ250

Form

performance:

Model	Voltage	Speed	Power	Airflow	Static Pressure	Noise	Duct Diameter
Model	(V/Hz)	Speed	(W)	(m³/h)	(Pa)	(dB)	Φ(mm)
DPT10-12B	220-50	/	23	100	80	20	100
DPT10-24B	220-50	H/L	30/23	200/150	125/100	23	100
DPT15-32B	220-50	H/L	42/33	360/250	160/120	27	150
DPT15-42B	220-50	H/L	103/88	500/400	190/165	29	150
DPT20-54B	220-50	H/L	114/101	770/600	200/195	35	200
DPT20-54C	220-50	H/L	174/146	920/800	240/220	37	200
DPT20-65B	220-50	H/L	253/210	1200/1000	360/320	41	200
DPT25-76B	220-50	H/L	535/480	1700/1500	420/410	43	250
DPT25-76C	220-50	H/L	565/500	1900/1800	430/425	46	250
DPT25-86B	220-50	H/L	800/728	2600/2400	530/510	46	250