| Packaging Details | Export standard pallet or customized packing |
| Delivery Time | Based on project requirements |
| Payment Terms | T/T, L/C |
| Supply Ability | Customized production based on project requirements |
| Technical Standard | GB 4448-84 |
| Type | B square tube |
| Nominal Size | 100-400mm |
| Materials | Mild Steel, Stainless Steel, Bronze, Copper |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Galvanized, Polished, customized surface treatment available. |
| Classification Certificates | CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc. |
| Place of Origin | China |
| Brand Name | Zhongyuan Marine Equipmen |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
| Model Number | Standard or Customized |
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Product Specification
| Packaging Details | Export standard pallet or customized packing | Delivery Time | Based on project requirements |
| Payment Terms | T/T, L/C | Supply Ability | Customized production based on project requirements |
| Technical Standard | GB 4448-84 | Type | B square tube |
| Nominal Size | 100-400mm | Materials | Mild Steel, Stainless Steel, Bronze, Copper |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Galvanized, Polished, customized surface treatment available. | Classification Certificates | CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc. |
| Place of Origin | China | Brand Name | Zhongyuan Marine Equipmen |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate | Model Number | Standard or Customized |
| High Light | GB 4448 gooseneck ventilation ,fireproof gooseneck ventilation ,GB 4448-84 Marine Outfitting | ||
GB 4448 Type B Square Tube Weathertight Marine Gooseneck Ventilator
Marine Gooseneck Ventilation has the function of anti-rat, insect-proof and fireproof, and has the characteristics of reasonable structure, convenient opening and closing, beautiful appearance, complete specifications, good ventilation effect, and reliable weather-proof.
Main Technical Specification:
Main Technical Parameters:
| Type |
Nominal size |
D | L×B | H | H1 | CREW CLIP | t | WEIGHT KG | |
| d | QUT | ||||||||
| A | 100 | Ф108 | 208 |
DESIDED BY USER |
M12 | 1 | 4 | 20.0 | |
| 6 | 32.0 | ||||||||
| Ф114 | 214 | 8 | 37.5 | ||||||
| 150 | Ф159 | 259 | M12 | 2 | 4 | 33.0 | |||
| 6 | 48.0 | ||||||||
| Ф168 | 269 | 8 | 57.6 | ||||||
| 200 | Ф210 | 310 | M12 | 2 | 5 | 59.0 | |||
| 6 | 61.0 | ||||||||
| Ф219 | 319 | 8 | 77.0 | ||||||
| 250 | Ф260 | 360 | M12 | 3 | 5 | 77.0 | |||
| 6 | 66.0 | ||||||||
| Ф273 | 373 | 8 | 103 | ||||||
| B | 100 | 120×80 | 220 |
DESIDED BY USER |
M12 | 1 | 4 | 21.0 | |
| 6 | 29.0 | ||||||||
| 8 | 40.9 | ||||||||
| 150 | 150×120 | 250 | M12 | 3 | 4 | 30.0 | |||
| 6 | 44.0 | ||||||||
| 8 | 55.2 | ||||||||
| 200 | 220×150 | 320 | M12 | 3 | 5 | 51.0 | |||
| 6 | 55.0 | ||||||||
| 8 | 78.0 | ||||||||
| 250 | 280×190 | 380 | M12 | 3 | 5 | 67.0 | |||
| 6 | 71.0 | ||||||||
| 8 | 104 | ||||||||
| 300 | 300×240 | 400 | M12 | 3 | 6 | 97.0 | |||
| 9 | 140 | ||||||||
| 400 | 460×290 | 460 | M12 | 5 | 6 | 154 | |||
| 10 | 244 | ||||||||
Drawings of GB 4448 Type B Square Tube Weathertight Marine Gooseneck Ventilator Marine Outfitting![]()
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1990
Total Annual:
10,000,000-15,000,000
Employee Number:
>300
Ecer Certification:
Verified Supplier
Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c... Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c...
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