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Guanheng is specialized in steel structure engineering since 1987.
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Guanheng is specialized in steel structure engineering since 1987.
English
Description:
Single tube tower and communication rod are belong to the pipe tower technology, including the working platform for connecting the tower body and the upper parts of the tower body.It provides a maintenance door under the bottom of the tower. the working platform should be provided with a door-to-door hole, and the antenna support is fixed on the fence of the working platform. Those utilities are characterized in that the climbing ladders are composed with the inside and outside connector of the main body, the main climbing ladder rod is fixed connected with the supporting frame, and the supporting frame is coupled with the connecting bracket inside the wall of the tower body. Advantages: simple structure, reasonable; beautiful; easy installation and use, less land. The flat surface should be necessary.
| Origin | China | Minimum Order | 1 Sets | |
| Payment term | L/C, T/T | Shipment term: | FOB, C＆F, CIF | |
| Height | 10to 45 Meter | |||
| Material | Q345B/A572,Minimum yield strength ＞=345N/mm2; Q235B/A36,Minimum yield strength ＞=235N/mm2; According to your request | |||
| Tolerance | According to your request | |||
| Surface test | Hot galvanization based on the standard of the steel technical specification on ASTM A123 , or the customer's request. | |||
| Connection Mode | Socket connection or Flange connection | |||
| Standard | ISO 9001:2008, ISO14001:2005, OHSAS18001 | |||
| Per Section Length | Below 13 meters | |||
| Wind Pressure | 0.35-1.00 KN/m2 | |||
| Hot-dip Galvanization thickness | Plating thickness less than 5mm, Zinc thickness more than 65μm, Plating thickness more than or equal 5mm, Zinc thickness more than86μm, tolerance less than 10μm | |||
| Production Procedure | Original material test→cutting→bending→welding(fore-and-aft )→measurement checking→flange welding→making hole→making sample→surface clean→hot-galvanization and surface preparation→painting→re-check→packing | |||
| Packing | Pack in plastic paper or under customer's request | |||
| Shipment Date | Quantity | Delivery Day | ||
| 50 sets | 30 days | |||
Technology
Durable
★ We are very strictly in controlling the thickness of all the parts in hot-dip galvanization,all those parts stay with corrosion for years.If the process of hot dip galvanization is not good, it is easy to be rusted and affect the safety of the tower.
1. All the original materials and finished products should be 100% checking.
2. We already obtain the ISO 9001:2008, ISO14001:2005 and OHSAS18001 quality and safety certificate.
Split Charging → Partial Packing → Part Remark → Loading → Shipment
Spy Detector Auto Gps Tracker Detector Cell Phone Tower Locator Detector Detecting GPS Tracker and GSM Bug Signal High Sensitivity GPS Tracker and GSM Bug Detector VS-SV
General:
This device is specially made for detecting GPS tracker, GSM bug and GSM phone, no miss alarm by people using 2-way radio,cordless phone or wireless camera around.
This device has 3 LEDs indicating the detected signal strength. When detect GSM signal,the LED will light from Level 1 to Level 2 to Level 3, and the beeping sound will change from Slow to Rapid indicating the strength of detected signal.
This device also has VIBRATE mode for covert detection. Or connect the earphone for silent detection without other’s aware.
Features:
Sensitivity adjustment
Interference(background noise) elimination
Low battery warning
Specification:
Power: AAA/UM-4 battery x 2,3V DC;
Detecting frequencies:GSM phone signal;
Dimension: L 87 x W 55 x H 24mm;
Weight: 70g;
Warning mode 1: Audible alarm and 3 LEDs;
Warning mode 2: Vibration and 3 LEDs;
Warning mode 3: Silent, 3 LEDs and earphone hearing;
Detecting Distance: up to 7 meters radius, depending on the type and model of GSM phone;
Detecting Distance:
The signal of cellular phone sending and receiving text message is shorter, so the detecting distance of sending and receiving text message might be shorter than normalhone call. The detecting distance will be varied depending on the type and model of signal sources;
| Design | ||
| 1. Design Code | TIA/EIA-222-G/F | |
| Structure Steel | ||
| 2. Grade | Mild Steel | High Tensile Steel |
| GB/T 700:Q235B, Q235C,Q235D | GB/T1591:Q345B, Q345C,Q3455D | |
| ASTM A36 | ASTM A572 Gr50 | |
| EN10025: S235JR, S235J0,S235J2 | EN10025: S355JR, S355J0,S355J2 | |
| 3. Design Wind Speed | Up to 250 km/h | |
| 4. Allowable deflection | 0.5 ~1.0 degree @ operational speed | |
| 5. Tension strength (Mpa) | 360~510 | 470~630 |
| 6. Yield strength (t≤16mm) (Mpa) | 355 | 235 |
| 7. Elongation (%) | 20 | 24 |
| 8. Impact strength KV (J) | 27(20°C)---Q235B(S235JR) | 27(20°C)---Q345B(S355JR) |
| 27(0°C)---Q235C(S235J0) | 27(0°C)---Q345C(S355J0) | |
| 27(-20°C)---Q235D(S235J2) | 27(-20°C)---Q345D(S355J2) | |
| Bolts & Nuts | ||
| 9. Grade | Grade 4.8, 6.8, 8.8 | |
| 10. Standards for mechanical properties | ||
| 10.1 Bolts | ISO 898-1 | |
| 10.2 Nuts | ISO 898-2 | |
| 10.3 Washers | ISO 6507-1 | |
| 11. Standards for Dimensions | ||
| 11.1 Bolts | DIN7990, DIN931, DIN933 | |
| 11.2 Nuts | ISO4032, ISO4034 | |
| 11.3 Washers | DIN7989, DIN127B, ISO7091 | |
| Welding | ||
| 12. Method | CO2 Shielded Arc Welding & Submerged Arc Welding(SAW) | |
| 13. Standard | AWS D1.1 | |
| Marking | ||
| 14. Method of marking of the members | Hydraulic Press Stamping | |
| Galvanizing | ||
| 15. Galvanization standard of steel sections | ISO 1461 or ASTM A123 | |
| 16. Galvanization standard of bolts and nuts | ISO 1461 or ASTM A153 | |
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