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{"title":"Steel One-and-Half Leaf Door | Sub & Main Leaf | Cleanroom Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/61\/0a\/187c6d4f63d8bdbeeb5ea8093cce-200x200-1\/steel_one_and_half_leaf_door_7c_sub_26amp_3b_main_leaf_7c_cleanroom_grade.jpg","attrs":{"Certification":"GMP, ISO 14644, CE","Door width":"1200 mm","Delivery Time":"15-30day","Place of Origin":"China"}}
{"title":"Automatic Hermetic Door | Motorized Full Seal | Hospital & Cleanroom Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/b7\/2f25953784fcc36a5b21aed53bcc-200x200-1\/automatic_hermetic_door_7c_motorized_full_seal_7c_hospital_26_cleanroom_grade.jpg","attrs":{"Door width":"DW = 1070mm\u20131570mm","Certification":"GMP, ISO 14644, CE","Hold-open time":"2\u201320 s (adjustable)","Delivery Time":"15-30day"}}
{"title":"Manual Swing Door \u2014 Double Open | Wide Passage | Hospital & Cleanroom Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/a3\/276ec9194685558a646d8c6ee22a-200x200-1\/manual_swing_door_e2_80_94_double_open_7c_wide_passage_7c_hospital_26_cleanroom_grade.jpg","attrs":{"Certification":"GMP, ISO 14644, CE","Door width":"1200\u20131500 mm","Packaging Details":"Wooden Box","Delivery Time":"15-30day"}}
{"title":"Flush Mounted Door General Window with Sealed Edge and Customizable Dimensions","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/da\/45470927f51a16b491818c770564-200x200-1\/flush_mounted_door_general_window_with_sealed_edge_and_customizable_dimensions_for_cleanrooms.jpg","attrs":{"Certification":"GMP, ISO 14644, CE","Screen-Printed Borders Around The Vision Panel Are Available In:":"Black Or White; The Color Of The Inner Frame Can Be Selected Based On Customer Requirements;","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}
{"title":"Automatic Swing Door | Rocker & Link Arm Drive | Hospital & Cleanroom Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/91\/70\/c05697e48ac8082686684e733170-200x200-1\/automatic_swing_door_7c_rocker_26_link_arm_drive_7c_hospital_26_cleanroom_grade.jpg","attrs":{"Certification":"GMP, ISO 14644, CE","Closing speed":"250\u2013500mm\/s (adjustable)","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Manual pushing force":"<100N"}}
{"title":"Manual Swing Door \u2014 One-and-Half Leaf | Dual-Mode Passage | Hospital Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/18\/116208a97e0bd999eac97cae59c6-200x200-1\/manual_swing_door_e2_80_94_one_and_half_leaf_7c_dual_mode_passage_7c_hospital_grade.jpg","attrs":{"Certification":"GMP, ISO 14644, CE","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Door width":"1200 mm"}}
{"title":"Airtight Double-Leaf Unequal Steel Cleanroom Door | Flush Mount | GMP Standard","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/40\/fed4bdaac59b6e11d3f81552a63c-200x200-1\/airtight_double_leaf_unequal_steel_cleanroom_door_7c_flush_mount_7c_gmp_standard.jpg","attrs":{"Product Name":"Airtight Double-Leaf Unequal Steel Cleanroom Door","Door Height":"Standard height 2100 mm","Certification":"GMP, ISO 14644, CE","Place of Origin":"China"}}
Beautiful, Practical & Purification-Grade: The Steel One-and-Half Leaf Door
The Steel One-and-Half Leaf Door is a special type of double door, composed of a narrower leaf (the sub door) and a wider leaf (the main door). In daily use, only the main door is operated while the sub door remains closed; when needed, both leaves can be fully opened — delivering both beauty and practicality. Built to cleanroom standards, the door frame and panel are manufactured from high-quality galvanized steel plate with powder coating for superior corrosion resistance. High-grade sealing strips on three sides, combined with a lifting drop-down sweep seal at the bottom, provide strong airtightness that effectively guarantees indoor purification. The 50 mm honeycomb-core panel fully meets cleanroom requirements, making this door widely applicable across hospitals, food, and electronics.
Door leaf weight
Max. 150 kg
Door width
1200 mm
Door height
Standard height 2100 mm
Opening angle
0°–170°
Special Double Door — Sub Leaf + Main Leaf, Beautiful & Practical
A special double door composed of a narrower sub door and a wider main door. In daily use, only the main door is operated with the sub door normally closed; when needed, both leaves can be fully opened — beautiful and practical for every situation.
Galvanized Steel + Powder Coating — Superior Corrosion Resistance
The door frame and panel are manufactured from high-quality galvanized steel plate with powder coating — providing superior corrosion resistance that endures humidity, chemicals, and frequent disinfection.
High-grade sealing strips on three sides, with a lifting drop-down sweep seal at the bottom — delivering strong airtightness that effectively guarantees the indoor purification effect, preventing drafts, dust, and airborne particles from crossing the threshold.
50 mm Honeycomb-Core Panel — Fully Purification Compliant
The door panel is 50 mm thick with paper honeycomb or aluminum honeycomb core filling — fully meeting cleanroom requirements with structural rigidity, flatness, and lightweight construction.
Dual-Mode Access — Daily Use Plus Full-Width Opening on Demand
The wide main leaf serves as a standard personnel door for daily traffic; opening the sub leaf provides full-width passage for gurneys, trolleys, and equipment — one door delivering both everyday convenience and occasional wide access.
Widely applicable to hospitals, food, electronics, and other clean and hygienic sectors — where corrosion resistance and purification compliance are essential.
High-quality hardware fittings ensure product quality, extend the product's service life, and make the door look beautiful, elegant, and highly usable.
Applications:
Environment
Why Steel One-and-Half Leaf Door
Hospitals & Wards
Daily main-door access + full-width opening for gurneys when needed
Galvanized powder-coated surfaces resist wash-down and acids
Electronics & Semiconductors
Airtight sealing controls dust and particles
Clean Area Auxiliary Spaces
Strong airtightness + durable daily operation
Contamination / Soil-Goods Rooms
Wide access for bins and carts when needed
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1947
Total Annual:
70000000-75000000
Employee Number:
120~150
Ecer Certification：
Verified Supplier
Sinopek is a high-tech provider of comprehensive cleanroom engineering solutions, originating in China and serving a global clientele. For over two decades, we have focused on delivering one-stop, turnkey engineering services that span the entire project lifecycle—from conceptual design to lif... Sinopek is a high-tech provider of comprehensive cleanroom engineering solutions, originating in China and serving a global clientele. For over two decades, we have focused on delivering one-stop, turnkey engineering services that span the entire project lifecycle—from conceptual design to lif...
