
FEATURES
Aluminum cam cover
Aluminum has good ductility, and when there is an imbalance during installation, the aluminum cover can be well protected from oil leakage.
Cam
The cam is made of high precision stainless steel with enhanced hardness and accuracy of 0.01mm to 0.03mm. it can effectively avoid oil leakage.
Bearing
The bearing can bear the maximum door weight of 80kg. It makes the door open/close smoothly, avoids friction between the cam and the body, and prolongs the service life.
Water injection test and high-temperature test
Gas is injected into the polished body to test for air leakage.
The high-temperature tests will be conducted after the product is installed to test if the product can work properly in 60° environment in case there is any problem during the transportation.
SPECIFICATIONS
MODEL | ●HD-212 |
APPLICABLE STANDARD | ●EN1154&ISO9001 |
DOOR WIDTH | ●700-900mm |
DOOR WEIGHT | ●80kg |
GLASS DOOR THICKNESS | ●8-12mm |
ADJUSTABLE POWER | ●EN2 |
HOLD-OPEN | ●90° |
LATCHING SPEED ADJUSTMENT | ●0-20° |
CLOSING SPEED ADJUSTMENT | ●20°-90° |
DIMENSION | ●250mm*100mm*47.5mm |
RUNNING TIMES | ●More than 500,000cycles |
MATERIAL | ●Stainless Steel & Iron |
FINISH | ●COVER: PSS/SSS ●INSIDE: Can be customized |
| MAXIMUM OPENING ANGLE | ●116° |







WHY CHOOSE US
GEKRONE floor springs are certified by the world's most difficult American Standard ANSI Grade1 2 million times test.
GEKRONE is the main drafting unit of the standard "Hydraulic Floor Spring".
GEKRONE has 4 national invention patents and dozens of utility model patents related to floor springs. The technical strength is strong.
Our Service
OEM/ODM service:We have a strong R&D team and can provide various designs to meet your needs.Also we can produce the products according to customers' requirements Such as Customized packaging, customized labels.
Delivery service:Fast delivery, if it is an order we have stock, it will take 7 days, if it is an order we don't have stock, it will take 30-45 days.
Quality control and after-sales service:There will be strict product inspection before shipment.If there is a problem, We will provide you with solutions.
FQA
Q: Are you a trading company or a manufacturer?
A: We are a professional manufacturer of door control hardware for many years.
Q: Can you provide samples for quality inspection?
A: Yes, we are willing to provide samples, but the courier cost will be borne by you.
Q: What is the payment method of your factory?
A: T/T is the best.
Q: Where is your factory?
A: Our factory is located in Jiangsu Province, and we also have factories in Zhejiang and Anhui, which are very close to Shanghai. You are warmly welcome to visit our factory at your convenience.
Please do not hesitate to contact us and we will get back to you quickly!