Floor ClosersST75 Series
ST75 SERIES GRADE 1 • MEDIUM DOORS FLOOR CLOSER SPRINGS FEATURES:
Closing from 175˚ in both door swing directions with hydraulic control from 170˚
Description
ST75 SERIES GRADE 1 • MEDIUM DOORS FLOOR CLOSER SPRINGS 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
ADJUST CLOSING SPEED
- VALVE “A” – controls closing speed from MAX. OPENING 175°-15’
- VALVE “S” – controls closing speed from 15°-0’
- MECHANICAL BACKCHECK
- HOLD OPEN
(Option possible)
- 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 | ||
PREFIXES
| Spring Strength (EN) | 2 | 3 | |
|---|---|---|---|
| Standard and external doors | ≤ 850mm | • | |
| ≤ 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 | Length | 285 | |
| Width | 82 | ||
| Height | 50 | ||
| Floor spring tested to EN 1154 | • | ||
| ANSI 156.4 Grade 1 | • | ||
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)
