Lid Stay, with Soft Close

For upward-opening door with piano, butt, or concealed hinges

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Flap weight calculation

Sample measurements table for calculating the flap weight in kg – without handlefor 19 mm chipboard, 0.65 g/cm³

Flap heightmm	Flap widthmm
Flap heightmm	300	400	500	600	700	800	900	1000	1100	1200
300	1.1	1.5	1.9	2.2	2.6	3.0	3.3	3.7	4.1	4.4
350	1.3	1.7	2.2	2.6	3.0	3.5	3.9	4.3	4.8	5.2
400	1.5	2.0	2.5	3.0	3.5	4.0	4.4	4.9	5.4	5.9
450	1.7	2.2	2.8	3.3	3.9	4.4	5.0	5.6	6.1	6.7
500	1.9	2.5	3.1	3.7	4.3	4.9	5.6	6.2	6.8	7.4
550	2.0	2.7	3.4	4.1	4.8	5.4	6.1	6.8	7.5	8.2
600	2.2	3.0	3.7	4.4	5.2	5.9	6.7	7.4	8.2	8.9

Sample measurements table for calculating the flap weight in kg – with bar handle (0.1 kg/100 mm)for 19 mm chipboard, 0.65 g/cm³

Flap heightmm	Flap widthmm
Flap heightmm	300	400	500	600	700	800	900	1000	1100	1200
300	1.4	1.9	2.4	2.8	3.3	3.8	4.2	4.7	5.2	5.6
350	1.6	2.1	2.7	3.2	3.7	4.3	4.8	5.3	5.9	6.4
400	1.8	2.4	3.0	3.6	4.2	4.8	5.3	5.9	6.5	7.1
450	2.0	2.6	3.3	3.9	4.6	5.2	5.9	6.6	7.2	7.9
500	2.2	2.9	3.6	4.3	5.0	5.7	6.5	7.2	7.9	8.6
550	2.3	3.1	3.9	4.7	5.5	6.2	7.0	7.8	8.6	9.4
600	2.5	3.4	4.2	5.0	5.9	6.7	7.6	8.4	9.3	10.1

Sample measurements table for calculating the flap weight in kg – without handlefor aluminium frames (19 x 20.6 mm) with 4 mm thick glass panel

Flap heightmm	Flap widthmm
Flap heightmm	300	400	500	600	700	800	900	1000	1100	1200
300	1.1	1.4	1.8	2.1	2.4	2.7	3.0	3.4	3.7	4.0
350	1.3	1.7	2.0	2.4	2.8	3.1	3.5	3.9	4.2	4.6
400	1.4	1.9	2.3	2.7	3.1	3.5	4.0	4.4	4.8	5.2
450	1.6	2.1	2.5	3.0	3.5	4.0	4.4	4.9	5.4	5.8
500	1.8	2.3	2.8	3.3	3.8	4.4	4.9	5.4	5.9	6.4
550	1.9	2.5	3.1	3.6	4.2	4.8	5.3	5.9	6.5	7.1
600	2.1	2.7	3.3	3.9	4.6	5.2	5.8	6.4	7.0	7.7

Sample measurements table for calculating the flap weight in kg – without handlefor aluminium frames (45 x 20.6 mm) with 4 mm thick glass panel

Flap heightmm	Flap widthmm
Flap heightmm	300	400	500	600	700	800	900	1000	1100	1200
300	2.0	2.5	2.9	3.3	3.8	4.2	4.7	5.1	5.6	6.0
350	2.2	2.7	3.2	3.7	4.2	4.7	5.2	5.7	6.2	6.7
400	2.5	3.0	3.5	4.1	4.6	5.2	5.7	6.3	6.8	7.3
450	2.7	3.3	3.9	4.5	5.1	5.6	6.2	6.8	7.4	8.0
500	2.9	3.5	4.2	4.8	5.5	6.1	6.8	7.4	8.0	8.7
550	3.1	3.8	4.5	5.2	5.9	6.6	7.3	8.0	8.7	9.4
600	3.3	4.1	4.8	5.6	6.3	7.1	7.8	8.5	9.3	10.0

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Lid Stay, with Soft Close

For upward-opening door with piano, butt, or concealed hinges, Right hand

Item no. 365.31.680

Lid Stay, with Soft Close

For upward-opening door with piano, butt, or concealed hinges, Left hand

Item no. 365.31.681

Product details

Designed to hold door in fully opened position

Opening angle

90 °

Type of closing

Soft and silent

Application

For upward-opening door with piano, butt, or concealed hinges

Adjustment

Speed adjustment screw located on the front for easy adjustment

Material

Steel

Finish

Nickel

Features

Torque calculation:
Torque = door height x 1/2 x door weight
Per piece: 20~70 kg/cm (19~60 lbs/inch)
Per pair: 40~140 kg/cm (38~120 lbs/inch)

Opening Angle	Hinge Type	A	B	C	D	E	F
90°	Concealed	98	97-S	113-S	-	-	12
90°	Piano/butt	91.5	-	-	90.5	106.5	12

Product Features

Supplied with

Mounting screws

Corporate Office: Häfele America Co., 3901 Cheyenne Drive, Archdale, N.C. 27263
Phone: 800.423.3531, Fax: 800.325.6197, Local Phone: 336.434.2322, Email: info@haefeleamericas.com

26-Oct-2021

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The Complete Häfele

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The Complete Häfele

Lid Stay, with Soft Close

For upward-opening door with piano, butt, or concealed hinges

Sample measurements table for calculating the flap weight in kg – without handlefor 19 mm chipboard, 0.65 g/cm³

Sample measurements table for calculating the flap weight in kg – with bar handle (0.1 kg/100 mm)for 19 mm chipboard, 0.65 g/cm³

Sample measurements table for calculating the flap weight in kg – without handlefor aluminium frames (19 x 20.6 mm) with 4 mm thick glass panel

Sample measurements table for calculating the flap weight in kg – without handlefor aluminium frames (45 x 20.6 mm) with 4 mm thick glass panel

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