B-38

• Locked with the steel bowl and plate spring.
• The left type or right type. (drawings show the right type)

B-40

• It's small-sized so installing space is minimum.
• The left type or right type (drawings show the right type).

B-407

• The door can be opened 150°.
• Surface attachment type, therefore no embedding is required.
• When opened, a simple lock mechanism keeps the door open. (B-407-A)
• When closed, a simple lock mechanism keeps the door close. (B-407-C)

B-41

• Size can be selected according to your application.

B-42

B-430

• Interchangeable with B-450-2 (B-430-2), B-450-3 (B-430-3).
• For both left-hand and right-hand use (Change installation position for left-hand use)

B-440

• Allows easy opening of heavy covers, such as gratings.
• Use of a spring eliminates worry about gas removal or oil leaks.
• Superior corrosion resistance.

B-450

〔B-1450-W・B-450-W〕
• The safety stopper mechanism is adopted. The door can be stopped firmly.
• Thanks to the lock release wire, it can be used at the higher position.
〔B-1450・B-450〕
• For both left type and right type. (drawings and photo show the right type. For the left type, set the installing fittings reverse)

B-46

B-47

• Can be bent and used.
• Corrosion-resistant stainless steel is used. (B-1047)

B-48

B-484

• Folds vertically when retracted, taking up less space than existing model.
• Reduced protrusions inside casing when retracted.
• Automatically locks when arms mutually overrun.
• The left type or right type. (drawings show the right type)

B-500N

• Because resin bush is used, the generation of the particle is suppressed.
• It is light made of aluminum.
• Alumite-treated for greater corrosion resistance.
• Shaft is stainless steel-made.
• For both right or left type.

B-501

• Because resin bush is used, the generation of the particle is suppressed.
• It is light made of aluminum.
• Shaft is stainless steel-made.
• Right or left type. (photos and drawings show the right type.)

B-502

• Because resin bush is used, the generation of the particle is suppressed.
• It is light made of aluminum.
• Shaft is stainless steel-made.
• Right or left type. (photos and drawings show the right type.)