Galvanized frame plate type primary filter

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Air Filters

Galvanized frame plate type pre-filters are commonly used equipment in the primary filtration stage of air filtration systems.

Detail

&Features
1. The filtration efficiency for particles ≥5.0μm is 40% to 60%
2. Special high-throughput and low-resistance polyester fiber cloth is used as the filter material, with a large dust holding capacity
3. Available in paper, galvanized steel, stainless steel, aluminum alloy or plastic frames

&Main Application Scenarios
Commercial/Industrial Scenarios: Pre-filtration for central air conditioning and centralized ventilation systems, pre-filtration for large air compressors, pre-filtration for clean return air systems in large factories/office buildings, and front-end filtration for clean rooms and laboratories;
• Some applications can also be used as pre-filters for household air purifiers and fresh air systems to intercept large particles of dust such as hair.

&Technical parameters (common specifications)

Model	Dimensions	Rated air volume (m³/h)		Initial pressure drop (Pa)		Filter area(㎡)	Folding distance(mm)
	Dimensions	Rated air volume (m³/h)		Initial pressure drop (Pa)
	WidthHeightThickness(mm)	Standard	High air volume	Standard	High air volume
	WidthHeightThickness(mm)	Standard	High air volume	Standard	High air volume
NPP-12×24×1	290×595×23	600	1200	20	63	0.4	19
NPP-20×14×1	493×341×23	550	1100			0.39
NPP-20×15×1	493×366×23	625	1250			0.43
NPP-20×16×1	493×391×23	650	1300			0.45
NPP-20×20×1	493×493×23	800	1600			0.56
NPP-20×24×1	493×595×23	950	1900			0.65
NPP-24×24×1	595×595×23	1200	2400			0.83
NPP-25×14×1	620×341×23	700	1400			0.48
NPP-25×16×1	620×391×23	800	1600			0.57
NPP-25×20×1	620×493×23	1000	2000			0.71
NPP-14×20×2	341×493×46	850	1700	20	70	0.77	20
NPP-20×12×2	493×290×46	700	1400			0.7
NPP-20×16×2	493×391×46	900	1800			0.94
NPP-20×18×2	493×442×46	1050	2100			1.01
NPP-20×20×2	493×493×46	1200	2400			1.12
NPP-24×12×2	595×290×46	850	1700			0.79
NPP-24×18×2	595×442×46	1300	2600			1.24
NPP-24×20×2	595×493×46	1400	2800			1.36
NPP-24×24×2	595×595×46	1700	3400			1.64
NPP-25×16×2	620×391×46	1200	2400			1.18
NPP-25×18×2	620×442×46	1350	2700			1.27
NPP-25×20×2	620×493×46	1500	3000			1.42
NPP-20×16×4	493×391×96	950	1900	18	68	1.45	28
NPP-20×20×4	493×493×96	1200	2400			1.73
NPP-24×12×4	595×290×96	850	1700			1.28
NPP-24×18×4	595×442×96	1300	2600			1.91
NPP-24×20×4	595×493×96	1400	2800			2.09
NPP-24×24×4	595×595×96	1700	3400			2.55
NPP-25×16×4	620×391×96	1200	2400			1.82
NPP-25×20×4	620×493×96	1500	3000			2.18
NPP-25×29×4	620×721×96	2150	4300			3.27
Notes: 1. If there are any changes in specifications or structures, the latest data provided by our company shall prevail. 2. Our company accepts orders for products that do not meet the specifications listed above.