FOB Price
Get Latest Price10 ~ 100 USD / Piece
|1 Piece Minimum Order
Country:
China
Model No:
-
FOB Price:
10 ~ 100 USD / Piece Get Latest Price
Place of Origin:
Mainland China
Price for Minimum Order:
10 per Piece
Minimum Order Quantity:
1 Piece
Packaging Detail:
Wooden case or tray
Delivery Time:
15-20
Supplying Ability:
10000 Piece per Month
Payment Type:
L/C, T/T
Product Group :
Contact Person Mr. Li Hongjian
cangzhou city,, hebei province
Manhole (boiler, sewer for human access to and repair) manhole,
manhole (A hole, usually with a cover, through which a person may
enter a sewer, boiler, drain, or similar structure.) Sewer entry
and exit hole: a hole often with a cover,
People can get in and out of drains, boilers, sewers, weak wells
including telecommunications and cable television, internal
passageways for maintenance of large bridges, and so on.
Manhole is a safety emergency ventilation device installed on the
top of a storage tank. it is usually used in conjunction with a
fireproof device and a mechanical breathing valve, which can avoid
accidents caused by sudden overpressure or vacuum in the tank and
damage to the storage tank.
It also plays the role of safety fire resistance, is a safety
device to protect the storage tank, especially suitable for storage
materials with nitrogen capped arch roof atmospheric pressure
tank.
The utility model has the advantages of constant pressure
discharge, constant pressure suction, flexible opening and closing,
safe fire resistance, compact structure, good sealing performance,
safety and reliability, etc.
Manholes are divided into emergency pressure relief manholes,
explosion-proof and fire-proof breathing manholes, tank top
manholes, tank wall manholes and core manholes, and so
on.
Manholes are generally made of 304316L stainless steel plate or
carbon steel.
Country: | China |
Model No: | - |
FOB Price: | 10 ~ 100 / Piece Get Latest Price |
Place of Origin: | Mainland China |
Price for Minimum Order: | 10 per Piece |
Minimum Order Quantity: | 1 Piece |
Packaging Detail: | Wooden case or tray |
Delivery Time: | 15-20 |
Supplying Ability: | 10000 Piece per Month |
Payment Type: | L/C, T/T |
Product Group : | flange |