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{"title":"Quiet and Stylish Inline Duct Fans for Optimal Air Control in Commercial and","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9d\/88\/c7c0f2a65dad568dc82ff2db2bdc-200x200-1\/quiet_and_stylish_inline_duct_fans_for_optimal_air_control_in_commercial_and.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"BPT10-12","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"Bathroom Quiet Inline Extractor Fan Duct Exhaust Extractor High Power 3.94 Inch","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/20\/9e\/58cc72ba22796119670f069c3c7e-200x200-1\/bathroom_quiet_inline_extractor_fan_duct_exhaust_extractor_high_power_3_94_inch.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT10-20","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"Toilet Plastic Mixed Flow Inline Duct Fans Extractor Ventilation Exhaust Blower","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/93\/08\/10840792676f9401b09156e9b232-200x200-1\/toilet_plastic_mixed_flow_inline_duct_fans_extractor_ventilation_exhaust_blower.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT15-54","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"220V Axial Inline Bathroom Exhaust Fan vent Booster for Hotels","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/8b\/83\/4445febd06cb24befa5f00bdf428-200x200-1\/220v_axial_inline_bathroom_exhaust_fan_vent_booster_for_hotels.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT20-90","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"Round Axial Flow Inline Duct Fans Booster Small Bathroom Vent Blower","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/36\/5d\/1771fb15d399c01ace12c923995a-200x200-1\/round_axial_flow_inline_duct_fans_booster_small_bathroom_vent_blower.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT25-170","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"Lightweight Duct Exhaust Inline Bathroom Extractor Fan Impeller ODM","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/06\/1d\/81c395ded9a796d206206658972b-200x200-1\/lightweight_duct_exhaust_inline_bathroom_extractor_fan_impeller_odm.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT15-54","Certification":"CE","Place of Origin":"China Foshan"}}
{"title":"OEM Wall Mounted Inline Duct Fans Window Exhaust Home Ventilation Extractor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/26\/ef\/e71e88ccdad5e7c11de53ba57079-200x200-1\/oem_wall_mounted_inline_duct_fans_window_exhaust_home_ventilation_extractor.jpg","attrs":{"Brand Name":"Available for ODM","Model Number":"DJT20-90","Certification":"CE","Place of Origin":"China Foshan"}}
Laser-etched alignment guides for ±0.3mm duct connection accuracy
Product Installation Method
Stage 1: Structural Preparation
Fabricate 50×50mm steel support frame (minimum yield strength: 250 MPa)
Anchor to concrete substrate using M12 mechanical expansion anchors (Hilti HSL-3)
Stage 2: Unit Integration
Mount chassis on neoprene isolators (50 Shore hardness), torque fasteners to 30 N·m
Align ducting system using infrared laser alignment tool (max deviation: 0.5°)
Stage 3: Performance Validation
Conduct airflow measurement with rotating vane anemometer (accuracy: ±1% FS)
Verify vibration levels <2.5 mm/s RMS (ISO 10816-8:2025 criteria)
Sector-Specific Benefits
Commercial Kitchens: Removes 95% of grease particles (NFPA 96-2025 compliance)
Healthcare Facilities: Achieves 15 ACH in isolation rooms (ASHRAE 170-2025)
Data Centers: Maintains 45–55% RH for server integrity (ASHRAE TC9.9 guidelines)
Residential: Integrates with smart home systems via Matter 2.0 protocol
Product Performance Curve
Product Performance Specifications
Model Num
A
B
C
D
E
F
Cutout Dimensions
BPT10-12
280
280
277
155
230
14
230*240
BPT10-15
280
280
277
155
230
14
230*240
BPT10-21
280
280
277
155
230
14
230*240
BPT15-27
380
380
341
224
306
14
306*306
BPT15-33
380
380
341
224
306
14
306*306
BPT15-40
380
380
341
224
306
14
306*306
BPT15-60
380
380
341
224
306
14
306*306
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1997
Total Annual:
5 million-6.9 million
Employee Number:
100~130
Ecer Certification：
Verified Supplier
Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd.
originated from Foshan City Nanhai Zhongxing Hardware and Electrical Appliance Factory (with brands including Zhongdian Fresh Air and Zhongdian New Science), is a modern National High-tech Enterprise mainly eng...
Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd.
originated from Foshan City Nanhai Zhongxing Hardware and Electrical Appliance Factory (with brands including Zhongdian Fresh Air and Zhongdian New Science), is a modern National High-tech Enterprise mainly eng...
