ST75_Series Spec Sheet
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ST75 SERIES FLOOR CLOSER SPRINGS GRADE 1 • MEDIUM DOORS
FEATURES
- Closing from 175˚ in both door swing directions with hydraulic control from 170˚
- Adjustable closing speed (175˚~15˚) and latching speed (15˚~0˚)
- Cast aluminum body.
- Universal cover plate in stainless steel.
- Mechanical Back Check function.
- Cement box in hot zinc plated.
- Extended spindle.
- Floor spring with fix closing force for medium doors.
- Certified in compliance with EN 1154 /UL / ANSI 156.4 Grade 1
- Suitable for fire and smoke protection doors (No fire test conducted yet)
- For double and single action door up to 120kg
APPLICATION AND INSTALLATION
West: 800-544-4422 • East: 800-225-6737
STANDARD AND OPTIONAL FUNCTIONS
- ADJUST CLOSING SPEED
- VALVE "A" controls closing speed from MAX. OPENING 175°-15'
- VALVE "S" controls closing speed from 15°-0'
- MECHANICAL BACKCHECK
- Fixed 90°
- Fixed 105°
| Model No. | ST75 | ||
|---|---|---|---|
| Power Size | EN2 | EN3 | |
| Spring strength adjustment | |||
|
Standard and (D)
External doors |
≤ 850 | • | |
| ≤ 950 | • | ||
| Max. leaf weight | 264lbs | ||
TECHNICAL ATTRIBUTES
| Spring Strength (EN) | 3 | |||
|---|---|---|---|---|
| Standard and | ≤ 850mm | • | ||
| external doors | ≤ 950mm | • | ||
| Max. leaf weight(lbs) | 264lbs | |||
| Non-Handed | • | |||
|
Closing speed
adjustable by valve |
175°-15°
15°-0° |
•
• |
||
| Backcheck ( Mechanical ) | ||||
| Hold-open | Fix |
90° or
105° |
||
| Weight (lbs) | 11 | |||
| Dimensions in mm |
Lenght
Width Height |
285
82 50 |
||
| Floor spring tested to EN 1154 | • | |||
| ANSI 156.4 Grade 1 | ||||
International Door Closers, Inc.
22
STANDARD AND OPTIONAL FUNCTIONS
SPINDLE
A range of interchangeable spindles is available to provide greater floor clearance if required (e.g. door with thresholds, carpeted floors etc.) Special spindles available on application: e.g. with flat face profile and 3· offset or square section ; spindles for MAS specific accessory also available.
Calculating the necessary length of spindle extension: Extension S : Floor clearance ( normally 8mm ) Collar height T of extended spindle inserts : Spindle extension length + 3mm (collar of the standard spindle insert)
West: 800-544-4422 • East: 800-225-6737