Fire Hose Couplings 盯嘢式 65mm(2.5*)
Principle of return and exchange
Freight description
Shipping instructions
Fire Hose couplings
A、 Technical parameter
Nominal Diameter: 65mm
Material:Rubber
Suitable medium:Water
B、Introduction
When in use the discharge end of the hose will be fitted with a nozzle so that the operator may control the manner in which water is projected at a fire. Standard nozzle sizes are 12 mm, 16 mm and 19 mm.
Couplings of the same size may have different diameter tails to suit various hose sizes (e.g. a 21/2 inch Instantaneous coupling may be provided with 25, 38, 45, 50 or 65 mm tails).
Other types of coupling frequently found include Russian ROTT, Russian GOST, British Nunan and Stove, Swedish SMS, Japanese Nakajima, and Norwegian Nor couplings.
Some couplings consist of a male and female section of different but compatible designs. With this type of coupling each hose would have a male coupling at one end and a female coupling at the other.
Couplings that have male and female parts that are identical are known as Hermaphrodite couplings.
C、Inspection & Maintenance
After use flush with clean fresh water
Inspect after use or at intervals of not greater than one month
Check any release mechanism (e.g. the lugs on instantaneous couplings) for free movement
Inspect the sealing rings
Use lubricants as recommended by the manufacturer. For the bolt and spring in an instantaneous connection this may be lithium grease
ANSI TYPE HOSE COUPLING
MACHINO TYPE HOSE COUPLING
JOHN MORRIS TYPE HOSE COUPLING
NAKAJIMA TYPE HOSE COUPLING
STORZ TYPE HOSE COUPLING
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