タイトルまたは説明
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.
国: |
China |
モデル番号: |
-
|
离岸价格: |
10 ~ 100 / Piece (交渉可能)
Get Latest Price
|
ロケーション: |
Mainland China |
最低注文量の価格: |
10 per Piece |
最低注文量: |
1 Piece |
パッケージの詳細: |
Wooden case or tray |
納期: |
15-20 |
供給能力: |
10000 Piece per Month |
支払いタイプ: |
L/C, T/T |
製品グループ : |
flange
|