Automatic Door Hardware Heavy Duty Hydraulic CE UL Door Closer Opener

| Technical Parameters | |
| Model | HD-178 |
| Applicable Standard | UL & 3 Hours Fire Rated |
| Max Door With | 950mm |
| Max Door Weight | 85-105kg |
| Hold-Open | optional |
| UL Certification | Yes |
| Fire Rated Certification | Yes |
| Latching Speed Adjustment | 0-20° |
| Closing Speed Adjustment | 20°-180° |
| Application Temperature | -40°-60° |
| Dimension:Length*Width*Height | 206mm*45mm*67mm |
Dimension of Appearance

| Product Features |
| A. UL listed floor spring, 3 hours fire rated certification, Produced according ISO9001 |
| B. Two speed adjustment, closing speed adjust and latching speed adjust |
| C. Hold open and non-hold open function for optional |
| D.White, black, golden, Silver, Dark bronze and etc. different color for optional |
| E. Use anti-freezing hydraulic oil, can working under -40ºC |
| F. Tested over 500,000cycles without damage, 5 years warranty |

Why Choose us


| Why Choose us |
| 1. The world's biggest floor spring manufacturer in China.Daily production over 15,000 PCS. |
| 2. The factory has three production base located in ZHEJIANG,ANHUI,JIANGSU three province.The area cover 72,000 square meters. |
| 3. Over 33 years producing experience.Ripe production process. |
| 4. Impeccable testing system covered from raw material,components,semi-finished products |
| 5. HAIDA has own national test laboratory(Intertek Satellite Lab)to make sure the growth of our company. |

Workshop & Lab




Q: What is the minimum quantity ?
No MOQ,We can sell even 1PCS
Q: How long is the delivery time?
10 to 30days,depend on your order quantity
Q: Can you send samples before place the order ?
Yes,sure.we can provide samples for quality checking.
Q: Do you provide OEM service?
Yes,we do
Q: How about the payment terms ?
T/T,D/P,L/C,Paypal,Western union and cash all acceptable.
Q: How about your quality warranty?
When the products got problem during our warranty period,we will provide