1.Use the needle roller bearing:
1) Increase loading capacity
2) Improve the wear resistance strength
3) Greatly reduce the noise.
2. Sealing ring is designed at the both ends of the bearing
1) To prevent dust and keep clean
2) To save grease and make new product do not need to be added lubricant within 1 year
3) Greatly lower the maintenance cost
3. Balance corrected the centrifugal speed limiter
1) Reduce the vibration and operation noise
2) Increase the working life
3)The function is particular evident for middle high construction hoist elevator
Safety device for elevator construction
SAJ40 Safety device
passenger hoist safety device
1. long time using
2. have in stock
SAJ serials pinion and cone progressive safety device is the most important safety
device in the pinion and rack builder's hoist, which can prevent the cage running
over speed, and effectively reduce the cage dropping accident. The safety devices
developed by Shanghai Research Institute of Building Sciences has passed through
the evaluation presided by the Ministry of Construction in 1989. The specialists at
the meeting made a high appraisal of reasonable compact structure, stable action
speed, highly accurate calibration, safe and reliable, braking smoothly and light
weight etc. features of the safety devices. The devices was recommended as
high-tech products developed in National Eighth Five Year Plan by the Ministry of
Construction, and also won the Shanghai excellent new product prize.
Rated braking load:40KN
Rated braking speed: 1.0~2.0m/s
FAQ
1. Q: Are you factory?
A: Yes, we are a factory that located in Shanghai for over 12 years.
2. Q:what is the delivery time?
A: It is according to the machine you need.
3. Q: How is the machine packed?
A: Each packed in carton, then put in wooden case, and then in container.
4. Q:Why choose us?
A: We own high-quality, reasonable price.
Our factory is equipped with most efficient producing line which handled by skillful workers.
5. Q:Can we visiting your factory?
A: We warmly welcome your visiting!
You can get high quality products and professional service from us.
Any question from you is welcome and will get reply within 24 hours.
