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Safety Parts Spring Inside Oil Buffer for Lift Use

Elevator buffer
Product Description:
SF-YHC175
Maximum Load(P+Q)kg: 3000kg
Maximum striking velocity(m/s): 2.01m/s
Rated speed(m/s): 1.75m/s

SF-OB25175
Maximum Load(P+Q)kg: 5300kg
Maximum striking velocity(m/s): 2.88m/s
Rated speed(m/s): 2.50m/s

SF-OBD220(with the base)
Load-bearing range(kg):2500
Plunger stroke(mm):225
Free state height(mm):780
About oil cubage(L):1.3
Rateed speed(m/s):1.75
A(mm):100
B(mm):210

We offer buffer upon your brand and parameters requirement.

Elevator Function Table for Reference

Basic/standard Function
1	Inspection running
2	Self leveling rescue
3	Attendant operation
4	Independent running
5	Emergency electric operation
6	Automatic return to base station
7	Lock elevator
8	Full load straight drive
9	Lighting and fan power saving function
10	Wrong commands cancel
11	Reverse automatic cancellation
12	Repeat close door
13	Open the door outside the hall
14	Close button to close the door in advance
15	All collective selective
16	Reserve drive to different direction
17	Cabin arrival gong
18	Overload protection
19	Light curtain
20	Over speed protection
21	Five party calls
22	Emergency lighting and alarm
23	End forced deceleration
24	Car accident protection
25	Car door protection
26	Protection of floor door
27	Comprehensive LED energy saving function

Optional Function

1	Duplex running
2	Group control operation
3	Open the door in advance
4	Upper collective selective
5	Down collective selective
6	Distribute elevator for different waiting position
7	Peak time service
8	Time division service
9	Night security layer
10	Double control box in car
11	Arrival light in landing area
12	Arrival gong in landing hall
13	Independent control for front and rear door
14	VIP service floor
15	IC card system
16	Sub district monitor
17	Voice announce
18	Seismic control function
19	Switch control of group elevator service floor
20	Force close the door
21	Disabled people operation panel
22	Rear wall operation panel
23	The fire forced landing
24	Firefighter operation
25	Auto rescue device
26	Energy feedback energy saving
27	Control box multimedia display