GB 4448 Type B Square Tube Weathertight Marine Gooseneck Ventilator Marine Outfitting

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:

1. Technical Standard: GB 4448-84
2. Type: B square tube
3. Nominal Size: 100-400mm
4. Materials: Mild Steel, Stainless Steel, Bronze, Copper
5. Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Galvanized, Polished, customized surface treatment available.
6. Classification Certificates:CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, Etc.
7. Can be Customized

Main Technical Parameters:

Drawings of GB 4448 Type B Square Tube Weathertight Marine Gooseneck Ventilator Marine Outfitting

Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. is located in the High-tech Industrial Park, Jiangyan City, Jiangsu Province PR China (3 hours from Shanghai) since 1990's. Total area is about 50000m2, with 4 factories and 16 workshops. 320 employees, including 20 technicians. We also invest and share-hold several other marine equipment and components factories. We have one export & import trade company which can deliver cargo all around the world.

The company holds ISO9001, OHSAS 18001, ISO 14001 & ISO 45001 certification, Type Approval certificate of DNV-GL, LR, BV and ABS; Works approval certificate of DNV-GL, LR, BV. All products can be issued with certificates of IACS classification societies (DNV-GL, ABS, LR, BV, CCS, RINA, KR, NK, IRS, RS).

The company obtains one national patent for steel plate roller and two other utility model patents.

We manufacture & Trade

• Marine Equipment and Machinery (Deck Equipment & Machinery, Mooring & Towing Equipment, Deck Outfitting, Lifesaving Appliance, Propulsion System Components, Steering Equipment & Machinery, Hydraulic Equipment & Machinery, Anchor & Anchor Chain, Anchor Chain Accessories, Piping System Components etc.)

• Dock Equipment (Bollard, Rubber Fender, etc.)

We commit to provide Good Quality Products to our clients forever!

We can transfer our products to worldwide where our clients want.