D · K · M · R Hinge Series

Flagship

D SERIES Dual-Stage Gear (+) conversion pivot — flagship structure using nearly 100% of the internal space (A-type +).

DHSW

6 inch

Hydraulic Brake + Stored Torque

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DTSW

6 inch

Mechanical Brake + Safety Pin + Stored Torque

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DLSW

6 inch

Electric Lock + Emergency Escape + Stored Torque

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Universal

K SERIES Fits any door gap ≥ 3.40 mm — easiest to adopt in non-spec markets worldwide.

KHSW

6 × 4.5 inch

Hydraulic Brake + Stored Torque

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KTSW

6 × 4.5 inch

Mechanical Brake + Safety Pin + Stored Torque

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KLSW

6 × 4.5 inch

Electric Lock + Emergency Escape + Stored Torque

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Mortise

M SERIES Compliant with ANSI A156.17, interlocking barrel leaves — the U.S. commercial standard.

MHSW

6 × 4.5 × 4.5 inch

Hydraulic Brake + Stored Torque

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MTSW

6 × 4.5 × 4.5 inch

Mechanical Brake + Safety Pin + Stored Torque

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MLSW

6 × 4.5 × 4.5 inch

Electric Lock + Emergency Escape + Stored Torque

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Barrel Raised

R SERIES Barrel-raised leaf structure sharing the M pivot platform — focused on North American hardware channels.

RHSW

6 × 4.5 × 4.5 inch

Hydraulic Brake + Stored Torque

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RTSW

6 × 4.5 × 4.5 inch

Mechanical Brake + Safety Pin + Stored Torque

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RLSW

6 × 4.5 × 4.5 inch

Electric Lock + Emergency Escape + Stored Torque

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＊ 4 series × 3 Modules = 12 models; "S" in the code is the shared stored-torque mechanism, and W concealed wiring is optional. The D series features the A-type Dual-Stage Gear (+) flagship pivot; K / M / R share the modular pivot platform with A / B configuration confirmed per project spec. See each series page for full specs and installation.