Overspeed governor
Also called governor · Korean 과속조절기, 조속기, 가바나
An overspeed governor stops the elevator when it reaches a preset speed and, where needed, sets off the safety gear.Korean Elevator Safety Standard, Annex 22 3.3 Its tripping speed is at least 115% of the rated speed.Korean Elevator Safety Standard, Annex 22 10.2.2.1.1 가)
The 1998 inspection standard called it 조속기. The current standard uses 과속조절기, and the D&D catalog also writes 가바나 (governor).KATS Notice 98-75, Elevator Inspection Standard (1998) · D&D catalog
Rope and pulley
- Rope tensionThe governor rope must be kept taut by a tension pulley, and the pulley or tension weight must be guided.Korean Elevator Safety Standard, Annex 22 10.2.2.1.3 라) Tension device ›
- Pulley sizeThe pitch diameter of the governor pulley must be at least 30 times the governor rope diameter.Korean Elevator Safety Standard, Annex 22 10.2.2.1.3 다) PCD ›
D&D products
9 Overspeed Governor, 2 certificates. Specifications and drawings are on each product page.D&D public catalog
DND-GV-003 (MR&MRL)Overspeed Governor
Governor Stand PCD305Governor Stand
DND-GV-002 (MR&MRL)Overspeed Governor
DND-HLGV-001Overspeed Governor
Related terms
Related articles
D&D technical articles that discuss Overspeed governor. Articles are not used as sources for the definition.
Overspeed Governor enquiriesWeekdays 09:00 to 18:00 KST, by phone or enquiry form.
Sources
- Annex 22: MOIS Notice 2022-18, Elevator Safety Standard, Annex 22 (KC 2050-51:2022). English terms are the ones printed in brackets in Annex 22.
- Elevator Inspection Standard: KATS Notice 98-75 (1998, repealed).
- D&D Catalog, Traction Machines and Components, CAT VER-06 (E-catalog).
- D&D public catalog
