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Sam Hwa Precision

Door closer, Door check, Floor hinge, Automatic close device manufacturer, Fire prevention products
Model KCD30 Series
Series Door Closer
Product Description

Features

ㆍ Aluminum Alloy Body
ㆍ Standard, separate and independent, latch and sweep intensity valve
ㆍ Non-handed
ㆍ Different working power by each model
ㆍ Rack-and-pinion design
ㆍ All standard arm applications allow doors to swing 180 degrees, conditions permitting.

 

Optional Features

ㆍ Built in hold-open function.
ㆍ Tri-packed

 

Colors Available

ㆍ AL : Aluminum
ㆍ BZ : Hardware Bronze (Gold)
ㆍ DU : Storefront Bronze

 

Normal Power Range Closers

Standard Installation Parallel installation W x H of Door(mm) Weight of Door(kg)
Non Hold-Open Hold-Open Non Hold-Open Hold-Open
71 171 71P 171P 800 x 1800 10-30
72 172 72P 172P 900 x 2100 25-45

 

STANDARD FEATURES

ㆍConcealed Mounting

Closer is mounted into a recess prepared in the top of metal, aluminum or wood door leaf. Depth of cutout at top of door 80mm. Consult factory for wood door leaf installations.

ㆍDoor Thickness

Metal door : minimum 45mmm
Wood door : minimum 50mm

ㆍConcealed Slide Track

Slide track is concealed in the header of hollow metal, aluminum or wood frame. Installation requires a minimum 20mm high frame header.

ㆍConcealed Arm

Closer arm is concealed when the door is closed.

ㆍHold Open

Sliding mechanism in a channel changes position of hold open. The range of hold open position is dependent upon how the door is hung.

ㆍAdjustable Hold Open tension

Hold Open tension can be increase or decrease by adjusting the tension on slide track spring with a hex-key drive adjusting screw.

ㆍAluminum Alloy Body

Closer bodies are constructed of special aluminum alloy, carefully selected to accommodate interactive steel component and operation conditions.

ㆍRack & Pinion Operation

A smooth power transmission through entire opening and closing cycle is provided by a long addendum gear form.

ㆍSweep Speed Control Valve

Allows adjustment of door speed from the door’s full open position down to approximately 10˚ from the closed position.

ㆍLatch Speed Control Valve

Allows adjustment of door speed from approximately 10˚ down to the door's fully closed position.