Whether our Retractable Bow Thruster, Sunk Manhole Cover, Pressure Water Tank is standard design or customized according to customers' needs, it is renowned worldwide for its high performance, high reliability and innovation. Since the establishment, our company has insisted on people-oriented and technology-based development, continuous innovation and improvement. Our company has strong technology and strength, over the years, we have continuously introduced advanced technology and equipment and integrated our own design concept, reform and innovation. Based on honesty and credibility, our company provides domestic and foreign customers with high-quality and low-cost products and satisfactory services. We continue to study the market environment and industry characteristics, aiming to provide customers with high-performance products and efficient services.
Close to the door frame using vacuum sealing gasket, compaction technology, close to the door frame work can achieve good sealing effect. In case of power failure or malfunction, the door can be wrenched open with an ordinary spanner.
LORI has engaged in marine door for many years. we can provide customers with different sizes of marine doors.
This kind of steel soundproof airtight doors are used for engine control room or engine workshops.
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Materials:
steel and stainless steel.
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Sealing performance:
The track is sealed with high quality brushes and the bottom is equipped with EPDM sealing structure
Drawing for Steel Soundproof Airtight Door:

Above Identification Example is for Clear size of 1750*700mm
Clear size | Frame size | Opening size of bulkhead | D≧80 | Opening direction |
L×B | L1×B1 | L2×B2 | ||
1650×600 | 1763×693 | 1750×700 | Left outside | |
Right outside | ||||
1750×700 | 1843×793 | 1850×800 | T+40 | Left inside |
1650×800 | 1743×893 | 1750×900 | Right inside |

The market demand for our HPL Surface Treatment Automatic Airtight Sliding Hospital Door is high, so that we can obtain great returns through economies of scale. As an active and positive enterprise, we have the responsibility and obligation to assume the responsibility to our customers, partners, peers and other stakeholders with cooperative relationship. While constantly improving ourselves, we will adopt a sincere service attitude and a high degree of responsibility.
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