Surface-mounted door closer
Sterling DC 2900
Doors up to 100 kg and 1100 mm wide, EN 4-5
Sterling door closers.
Two speeds, one arc.
Manufacturing door closers in India since 1989.
Rack and pinion door closers, and floor springs, all with two-speed control.
The closing speed governs the swing, the latching speed the last part of travel. All eight door closers are ISI marked and made at our own works.
Sterling closers in the studio
Sterling DC 2000 door closer 
Sterling FS 1000 floor spring
The range.
Surface-mounted door closer
Sterling DC 2000
Doors up to 80 kg and 1100 mm wide, EN 3-4
Concealed door closer
Sterling DC 2700
Doors up to 60 kg and 970 mm wide, EN 2-3
Floor spring
Sterling FS 1000
Doors of 60 to 80 kg, up to 1100 mm wide
Still not sure which closer is right for your door?
Answer three questions, door weight, door width and how it mounts, and see the Sterling models rated for it.
For architects and specifiers
Data for every model, body drawings to scale, and clause text for the specification.
Made in India at our own works.
Door closers since 1989.
Sterling door closers and floor springs are made at our works in Vasai (East), Maharashtra. Door closer housings are extruded aluminium alloy, precision machined, and painted or powder coated in-house. Each closer uses a rack and pinion mechanism with two-speed control, and the surface-mounted models use universal mounting for left and right hand doors.
Guides.
Covers EN 1 to EN 7
What size door closer do I need? EN sizes explained
Every door closer is sized against two numbers: how wide the door leaf is and how much it weighs. The EN power size scale puts both on one axis.
Covers 32 and 38 mm
Surface-mounted vs concealed door closers
The mechanism is much the same. What changes is where it lives, and that affects installation, servicing and what the finished door looks like.
Covers IS 3564:2025
ISI marking and IS 3564 explained for door closers
ISI, BIS, IS 3564, ISO 9001 and cycle testing get used almost interchangeably in product listings. They certify quite different things.
Questions buyers ask first.
Six short answers, from where the closers are made to how the speed is set.
Where are Sterling door closers and floor springs made?
At MM Efficient Gadget LLP's own ISO 9001:2015 certified, UL-audited facility in Vasai-Virar, Maharashtra. The business has made door control hardware since 1989.
Are Sterling door closers ISI marked?
Yes, all eight. The DC 1500, DC 1800 LA, DC 1820, DC 2000, DC 2600, DC 2700, DC 2800 and DC 2900 door closers are ISI marked to IS 3564:2025 under BIS licence CM/L No. 7700126309. Floor springs are certified separately: the FS 1000, FS 3000, FS 3120 and FS 3150 are BIS certified to IS 6315:2025 under licence CM/L No. 7700249814. Each product page states the marking and the cycle test figure that apply to that model.
Which Sterling model do I need for my door?
Size by door weight and leaf width. Up to 45 kg: DC 1500 (EN 1-2). Up to 60 kg: DC 1800 LA or DC 1820, or the concealed DC 2700 (EN 2-3). Up to 80 kg: DC 2000 or DC 2600 (EN 3-4), or the concealed DC 2800 (EN 2-4). Up to 100 kg: DC 2900 (EN 4-5). For glass or heavy doors, the FS 1000 floor spring covers 60 to 80 kg, the FS 3000 covers 90 to 120 kg, the FS 3120 covers doors up to 120 kg and the FS 3150 doors up to 150 kg.
Do you quote for projects and bulk orders?
Yes. Sterling does not publish list prices, because the price depends on the model, finish and quantity. Send a door schedule with leaf widths, door weights, mounting type and quantities, and we will size and quote every door against it.
How do I become a Sterling dealer?
Apply on the dealers page with your firm name, city and contact details, or call or WhatsApp +91 83693 92225. Our team will get back to you to discuss the range and supply.
How do I adjust a door closer's closing speed?
Door closers have two small adjustment valves, usually marked "Close" and "Latch". Turn them slightly, about 1/8 turn at a time, with a screwdriver: clockwise to slow the door down, anticlockwise to speed it up. Closing speed controls the swing from open to about 10 to 15 cm before the frame; latching speed controls the final click as it shuts.