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330 Series Economical Door Closers

330 Series Economical Door Closers

330 series economical hydraulic door closers are universal models offering versatility and precise engineering performance. With fashion design, high quality hydraulic fluid and low freezing point, the hydraulic door closers can be operated smoothly at the temperature ranges from subzero 30℃ to 60℃. Their dual valves for closing and latching are easy to adjust and enable the door maintaining a smooth closing speed. 330 series hydraulic door closers are suitable for various commercial and residential uses, such as office buildings, shopping centers, hotels, etc.

Personalized Options:
1.With non-handed installation as the standard, we also provide top-jamb installation, slide arm installation and parallel arm installation for your preference;
2.Full steel covers are optional for 330 series economical door closers;
3.Hydraulic door closers in type 3302D and 3303D are designed with the hold open function;
4.The optional colors are variety, including alum, bronze, golden, white and black;
5.We also provide economical door closers with adjustable tube arm for reinforcement.

Standard Packing Configurations: 
1.330 series (3302/3302D/3303/3303D) hydraulic door closers;
2.Slide arm or adjustable tube arm;
4.Installation manual;
5.Installation master plate.

1.Tighten the screws two months after the economical hydraulic door closers being installed;
2.Better not to install the door closer in the open air, or it well easily get rusty.

Parameters of 330 Series Hydraulic Door Closers:

Type Dimension of main body (mm) Door Weight   (kg)
3302 3302D 220 202 19 53.5 45 25-45
3303 3303D 220 202 19 53.5 45 45-65

Packaging and Transportation:
1.One piece in an inner box, ten inner boxes in one carton;
2.Transport by sea or by air.

Founded in 1987, Oubao Security Technology Co., Ltd. is the first joint-stock company and one of the largest professional manufacturer and supplier of hydraulic door closers in China. With registered capital of 55.8 million RMB, we offer door closers, fingerprint-lock, panic exit device, intelligent lock for customers to select. We can reach annual output of 6 million door closers and 500 thousand locks. We obtained the standard certifications of ISO9001:2008, ISO14001:2004 and OHSAS 18001:1999. Also we are able to manufacture hydraulic door closers in accordance with European standards and American standards.
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