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DF-630
HEE
Our Durable Industrial Weathertight Door For Shelter (Model DF-630) is a heavy-duty industrial solution purpose-built for shelter facilities, modular buildings, and harsh onshore industrial environments. As a high-performance single lever 6 dog weathertight door for shelter, it is designed for industrial clients, providing unbeatable weather protection, asset security, and long-term durability for emergency shelters, field operation stations, industrial warehouses, and remote work facilities. Engineered to withstand extreme onshore weather events, this door maintains a secure, climate-controlled interior while protecting personnel and high-value assets from unauthorized access and environmental damage.
Below are standard specifications of our industrial shelter weathertight steel door, with custom solutions available for specialized shelter projects:
Opening Orientation | Model No. | Size | Opening Width A | Opening Height B | Cut-Out Dims (A×B×Radius) | Weight (LBS.) |
Right Hand | DF-630-2460 | 24×60 | 24" | 60" | 27"×63"×11" | 437 |
Right Hand | DF-630-3060 | 30×60 | 30" | 60" | 33"×63"×11" | 480 |
Right Hand | DF-630-3666 | 36×66 | 36" | 66" | 39"×69"×11" | 535 |
Left Hand | DF-630-2872 | 28×72 | 28" | 72" | 31"×75"×11" | 526 |
Left Hand | DF-630-3072 | 30×72 | 30" | 72" | 33"×75"×11" | 500 |
Left Hand | DF-630-3672 | 36×72 | 36" | 72" | 39"×75"×11" | 579 |
Note: Full size range and custom wall thickness adaptations are available for industrial shelter projects. |
No. | Name & Specifications | QTY | Material |
1 | DOOR PANEL ASSEMBLY | 1 | STEEL |
2 | COAMING ASSEMBLY | 1 | STEEL |
3 | STIFFENER BAR | 1 | STEEL |
4 | DOG LEVER ASSEMBLY | 1 | STAINLESS |
5 | DOG CONNECTOR BAR | 6 | STAINLESS |
6 | HINGE PIN ASSEMBLY | 2 | STAINLESS |
7 | HAND LEVER ASSEMBLY | 1 | STAINLESS |
8 | DOOR GASKET | 1 | NEOPRENE |
9 | BUSHING | 4 | NYLON |
10 | GREASE FITTING | 6 | STAINLESS |
11 | DOOR CENTERING LUG | 1 | STEEL |
12 | LOCKING HASP | 1 | STEEL |
RIGHT SINGLE LEVEL (6 DOG) WEATHERTIGHT DOOR SPECIFICATION TABLE | |||||||
MODEL NO. | SIZE | A | B | CUT-OUT DIMS | WEIGHT | ||
A | B | RADIUS | LBS. | ||||
DF-630-2460 | 24×60 | 24" | 60" | 27" | 63" | 11" | 437 |
DF-630-2472 | 24×72 | 24" | 72" | 27" | 75" | 11" | 451 |
DF-630-2866 | 28×66 | 28" | 66" | 31" | 69" | 11" | 448 |
DF-630-2872 | 28×72 | 28" | 72" | 31" | 75" | 11" | 526 |
DF-630-3054 | 30×54 | 30" | 54" | 33" | 57" | 11" | 433 |
DF-630-3060 | 30×60 | 30" | 60" | 33" | 63" | 11" | 480 |
DF-630-3072 | 30×72 | 30" | 72" | 33" | 75" | 11" | 500 |
DF-630-3666 | 36×66 | 36" | 66" | 39" | 69" | 11" | 535 |
DF-630-3672 | 36×72 | 36" | 72" | 39" | 75" | 11" | 579 |
LEFT SINGLE LEVEL (6 DOG) WEATHERTIGHT DOOR SPECIFICATION TABLE | |||||||
MODEL NO. | SIZE | A | B | CUT-OUT DIMS | WEIGHT | ||
A | B | RADIUS | LBS. | ||||
DF-630-2460 | 24×60 | 24" | 60" | 27" | 63" | 11" | 437 |
DF-630-2472 | 24×72 | 24" | 72" | 27" | 75" | 11" | 451 |
DF-630-2866 | 28×66 | 28" | 66" | 31" | 69" | 11" | 448 |
DF-630-2872 | 28×72 | 28" | 72" | 31" | 75" | 11" | 526 |
DF-630-3054 | 30×54 | 30" | 54" | 33" | 57" | 11" | 433 |
DF-630-3060 | 30×60 | 30" | 60" | 33" | 63" | 11" | 480 |
DF-630-3072 | 30×72 | 30" | 72" | 33" | 75" | 11" | 500 |
DF-630-3666 | 36×66 | 36" | 66" | 39" | 69" | 11" | 535 |
DF-630-3672 | 36×72 | 36" | 72" | 39" | 75" | 11" | 579 |

Our heavy duty weathertight door for industrial shelter is engineered to resist extreme onshore weather, including hurricane-force winds, blizzards, heavy rainfall, and sandstorms, delivering complete weathertight sealing to prevent water, dust, and debris ingress, ensuring a stable, safe interior for shelter facilities year-round.
Built with a heavy-gauge steel door panel and coaming assembly, reinforced with an integrated stiffener bar, it delivers superior impact and forced-entry resistance. Critical components use high-grade stainless steel for long-term wear resistance, while the corrosion-resistant finish adapts to industrial, coastal, and remote outdoor environments, reducing replacement and maintenance costs for operators.
The 6-point locking system, paired with a heavy-duty steel locking hasp, provides robust anti-theft and unauthorized access protection for critical shelter assets. The high-density neoprene gasket creates an airtight seal, minimizing air leakage, reducing heating and cooling costs, and optimizing energy efficiency for climate-controlled shelter facilities.
The innovative single lever design enables one-person, tool-free opening and closing, even in emergency situations. Nylon bushings and pre-lubricated stainless steel hinges ensure smooth, reliable operation with minimal maintenance, ideal for remote shelter facilities with limited on-site maintenance support.
This industrial weathertight door for shelter functions through an integrated single lever mechanical linkage system. When the hand lever is activated, it transfers force to the dog lever assembly, which synchronously drives 6 stainless steel dog connector bars to engage the locking dogs with the door coaming. This uniform 6-point locking applies consistent, even pressure around the entire perimeter of the neoprene gasket, creating a full airtight and weathertight barrier. The door centering lug ensures perfect alignment during every closing cycle, eliminating misalignment leaks, while the self-lubricating nylon bushings and stainless steel hinge pins ensure low-friction, long-lasting rotation. The integrated locking hasp allows for additional padlock security, safeguarding shelter assets from unauthorized access.
Confirm the shelter wall structure and cut-out dimensions align with the door model before installation, ensuring the opening is perfectly level and square to guarantee optimal sealing performance.
Secure the steel coaming assembly to the shelter wall with heavy-duty industrial fasteners (or welding for steel structure shelters), ensuring full contact between the coaming and wall to eliminate air and water gaps.
Apply a continuous bead of industrial-grade sealant around the coaming perimeter after installation to enhance weathertight performance and prevent moisture penetration into the shelter wall.
Inspect the gasket and locking mechanism every 6 months, cleaning debris from the door track and gasket, and lubricating moving parts with industrial lubricant to maintain smooth operation.
Avoid over-tightening the lever during daily use, as this can cause premature wear of the gasket and locking components, shortening the door’s service life.
Yes. We offer custom coaming depth adjustments to match the wall thickness of your shelter, modular building, or industrial facility, ensuring a seamless fit and optimal performance.
Absolutely. The neoprene gasket and steel structure are engineered to perform reliably in extreme high and low temperature environments, from -40°F to 176°F, making it ideal for remote shelter facilities in harsh climate zones.
Yes. We provide competitive tiered bulk pricing for industrial contractors and shelter manufacturers, with flexible production lead times to align with your project schedule.
Our Durable Industrial Weathertight Door For Shelter (Model DF-630) is a heavy-duty industrial solution purpose-built for shelter facilities, modular buildings, and harsh onshore industrial environments. As a high-performance single lever 6 dog weathertight door for shelter, it is designed for industrial clients, providing unbeatable weather protection, asset security, and long-term durability for emergency shelters, field operation stations, industrial warehouses, and remote work facilities. Engineered to withstand extreme onshore weather events, this door maintains a secure, climate-controlled interior while protecting personnel and high-value assets from unauthorized access and environmental damage.
Below are standard specifications of our industrial shelter weathertight steel door, with custom solutions available for specialized shelter projects:
Opening Orientation | Model No. | Size | Opening Width A | Opening Height B | Cut-Out Dims (A×B×Radius) | Weight (LBS.) |
Right Hand | DF-630-2460 | 24×60 | 24" | 60" | 27"×63"×11" | 437 |
Right Hand | DF-630-3060 | 30×60 | 30" | 60" | 33"×63"×11" | 480 |
Right Hand | DF-630-3666 | 36×66 | 36" | 66" | 39"×69"×11" | 535 |
Left Hand | DF-630-2872 | 28×72 | 28" | 72" | 31"×75"×11" | 526 |
Left Hand | DF-630-3072 | 30×72 | 30" | 72" | 33"×75"×11" | 500 |
Left Hand | DF-630-3672 | 36×72 | 36" | 72" | 39"×75"×11" | 579 |
Note: Full size range and custom wall thickness adaptations are available for industrial shelter projects. |
No. | Name & Specifications | QTY | Material |
1 | DOOR PANEL ASSEMBLY | 1 | STEEL |
2 | COAMING ASSEMBLY | 1 | STEEL |
3 | STIFFENER BAR | 1 | STEEL |
4 | DOG LEVER ASSEMBLY | 1 | STAINLESS |
5 | DOG CONNECTOR BAR | 6 | STAINLESS |
6 | HINGE PIN ASSEMBLY | 2 | STAINLESS |
7 | HAND LEVER ASSEMBLY | 1 | STAINLESS |
8 | DOOR GASKET | 1 | NEOPRENE |
9 | BUSHING | 4 | NYLON |
10 | GREASE FITTING | 6 | STAINLESS |
11 | DOOR CENTERING LUG | 1 | STEEL |
12 | LOCKING HASP | 1 | STEEL |
RIGHT SINGLE LEVEL (6 DOG) WEATHERTIGHT DOOR SPECIFICATION TABLE | |||||||
MODEL NO. | SIZE | A | B | CUT-OUT DIMS | WEIGHT | ||
A | B | RADIUS | LBS. | ||||
DF-630-2460 | 24×60 | 24" | 60" | 27" | 63" | 11" | 437 |
DF-630-2472 | 24×72 | 24" | 72" | 27" | 75" | 11" | 451 |
DF-630-2866 | 28×66 | 28" | 66" | 31" | 69" | 11" | 448 |
DF-630-2872 | 28×72 | 28" | 72" | 31" | 75" | 11" | 526 |
DF-630-3054 | 30×54 | 30" | 54" | 33" | 57" | 11" | 433 |
DF-630-3060 | 30×60 | 30" | 60" | 33" | 63" | 11" | 480 |
DF-630-3072 | 30×72 | 30" | 72" | 33" | 75" | 11" | 500 |
DF-630-3666 | 36×66 | 36" | 66" | 39" | 69" | 11" | 535 |
DF-630-3672 | 36×72 | 36" | 72" | 39" | 75" | 11" | 579 |
LEFT SINGLE LEVEL (6 DOG) WEATHERTIGHT DOOR SPECIFICATION TABLE | |||||||
MODEL NO. | SIZE | A | B | CUT-OUT DIMS | WEIGHT | ||
A | B | RADIUS | LBS. | ||||
DF-630-2460 | 24×60 | 24" | 60" | 27" | 63" | 11" | 437 |
DF-630-2472 | 24×72 | 24" | 72" | 27" | 75" | 11" | 451 |
DF-630-2866 | 28×66 | 28" | 66" | 31" | 69" | 11" | 448 |
DF-630-2872 | 28×72 | 28" | 72" | 31" | 75" | 11" | 526 |
DF-630-3054 | 30×54 | 30" | 54" | 33" | 57" | 11" | 433 |
DF-630-3060 | 30×60 | 30" | 60" | 33" | 63" | 11" | 480 |
DF-630-3072 | 30×72 | 30" | 72" | 33" | 75" | 11" | 500 |
DF-630-3666 | 36×66 | 36" | 66" | 39" | 69" | 11" | 535 |
DF-630-3672 | 36×72 | 36" | 72" | 39" | 75" | 11" | 579 |

Our heavy duty weathertight door for industrial shelter is engineered to resist extreme onshore weather, including hurricane-force winds, blizzards, heavy rainfall, and sandstorms, delivering complete weathertight sealing to prevent water, dust, and debris ingress, ensuring a stable, safe interior for shelter facilities year-round.
Built with a heavy-gauge steel door panel and coaming assembly, reinforced with an integrated stiffener bar, it delivers superior impact and forced-entry resistance. Critical components use high-grade stainless steel for long-term wear resistance, while the corrosion-resistant finish adapts to industrial, coastal, and remote outdoor environments, reducing replacement and maintenance costs for operators.
The 6-point locking system, paired with a heavy-duty steel locking hasp, provides robust anti-theft and unauthorized access protection for critical shelter assets. The high-density neoprene gasket creates an airtight seal, minimizing air leakage, reducing heating and cooling costs, and optimizing energy efficiency for climate-controlled shelter facilities.
The innovative single lever design enables one-person, tool-free opening and closing, even in emergency situations. Nylon bushings and pre-lubricated stainless steel hinges ensure smooth, reliable operation with minimal maintenance, ideal for remote shelter facilities with limited on-site maintenance support.
This industrial weathertight door for shelter functions through an integrated single lever mechanical linkage system. When the hand lever is activated, it transfers force to the dog lever assembly, which synchronously drives 6 stainless steel dog connector bars to engage the locking dogs with the door coaming. This uniform 6-point locking applies consistent, even pressure around the entire perimeter of the neoprene gasket, creating a full airtight and weathertight barrier. The door centering lug ensures perfect alignment during every closing cycle, eliminating misalignment leaks, while the self-lubricating nylon bushings and stainless steel hinge pins ensure low-friction, long-lasting rotation. The integrated locking hasp allows for additional padlock security, safeguarding shelter assets from unauthorized access.
Confirm the shelter wall structure and cut-out dimensions align with the door model before installation, ensuring the opening is perfectly level and square to guarantee optimal sealing performance.
Secure the steel coaming assembly to the shelter wall with heavy-duty industrial fasteners (or welding for steel structure shelters), ensuring full contact between the coaming and wall to eliminate air and water gaps.
Apply a continuous bead of industrial-grade sealant around the coaming perimeter after installation to enhance weathertight performance and prevent moisture penetration into the shelter wall.
Inspect the gasket and locking mechanism every 6 months, cleaning debris from the door track and gasket, and lubricating moving parts with industrial lubricant to maintain smooth operation.
Avoid over-tightening the lever during daily use, as this can cause premature wear of the gasket and locking components, shortening the door’s service life.
Yes. We offer custom coaming depth adjustments to match the wall thickness of your shelter, modular building, or industrial facility, ensuring a seamless fit and optimal performance.
Absolutely. The neoprene gasket and steel structure are engineered to perform reliably in extreme high and low temperature environments, from -40°F to 176°F, making it ideal for remote shelter facilities in harsh climate zones.
Yes. We provide competitive tiered bulk pricing for industrial contractors and shelter manufacturers, with flexible production lead times to align with your project schedule.
The DF-274-5 2 DOG RAISED WATERTIGHT HATCH is a premium marine deck fitting engineered by HEE (Changshu HaiChuan Engineering & Equipment Co., Ltd.), a leading China-based manufacturer specializing in marine and offshore equipment. Designed to address the critical need for reliable water resistance in harsh marine environments, this hatch serves as a protective barrier for deck openings, preventing water ingress, dust accumulation, and corrosion that could damage internal components of vessels, offshore platforms, or port infrastructure.
