Fire Hose Nozzle For Fire Fighting
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 10000 per week pc/month
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Specifications of Fire Hose Nozzle:
1 Material: Brass,Aluminum,Plastic
2 100% hydraulic detected
3 3 years quality guarantee
Usage of Fire Hose Nozzle:
Brass fire hose nozzle are used for putting out fire by waterplay. When it is connected with water band, it will jet dense and rich waterflow.And its advantage is long jeting range and large quantity of water,etc.It is composed of threaded coupling,nozzle body,nozzle and other main spare parts. Straight-through switch fire hose nozzle, consisting of straight through fire hose nozzle,ball valve switch an other parts, is to control water flow by switch. Multi-functional fire nozzle is our new item. And it plays straight through,fog spray, on and off into one role and it also can meet customers' various function needs
Technical Parameter
|
Item |
Model |
Nominal Dia(mm) |
Flownozzle Dia(mm) |
Nominal Working Pressue(Mpa) |
Nominal Flow |
Flow Allowable Variation |
Jetting Range |
|
straight-though fire nozzle |
Q3.5/5 |
50 |
16 |
0.35 |
5 |
±8% |
≥25 |
|
Q3.5/7.5 |
65 |
19 |
7.5 |
≥28 | |||
|
straight-though switch fire nozzle |
G3.5/5 |
50 |
16 |
5 |
≥25 | ||
|
G3.5/7.5 |
65 |
19 |
7.5 |
≥28 | |||
|
multi-functional fire nozzle |
D6.0/4.0 |
50 |
|
0.60 |
5 |
| |
|
D6.0/65 |
65 |
|
7.5 |
|
Packaging & Delivery:
Packaging :In poly bag or in wooden box.
Delivery: 10000 within one week.
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- the firefighter's stream goes 10 meters before landing. x 10. The angle is 40. The speed is 20. These equations make time .6527036447 seconds. gravity is 9.8, downward. the initial height is 0, the resulting height is technically y. y 0 + v0sin(40).6527036447 - 4.905(.6527036447)^2 y 20sin(40).6527036447 - 4.905(.6527036447)^2 the height h at which the building is struck is 6.301358168 meters.
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- What is happening is that the water is under high pressure in the pipe, and as it leaves the pipe, it picks up a lot of speed: This transition zone is where you apply Bernoulli's equation: constant P + ρv^2/2. I think the velocity initially should be taken to be essentially 0, because the water is fed by pipe with a large cross section A, and exits the pipe through a narrow nozzle with cross section a; so the speed of flow within the pipe is smaller by the factor (a/A). Since we're not given the dimensions of the pipe and the nozzle, I think there's little harm in taking (a/A) to be negligible. Thus: P_pipe P_atmosphere + ρv^2/2 , or: ρv^2/2 P_pipe - P_atmosphere P_gauge v^2 2*P_gauge/ρ Now, once we've got the water out and moving, we can forget about Bernoulli's equation. Why? - The water is no longer flowing at a steady rate: It is actually in free-fall, the gravitational field is no longer imposing a pressure gradient on it, etc. In fact, within the water, the pressure is all essentially the same everywhere: the atmospheric pressure. - The water velocity is just determined by Newton's laws and gravity: each clump of water (mass m) is pulled down by acceleration g. So it behaves just like a ball tossed up with speed v: It reaches a maximum and comes back down. From conservation of energy: energy mgh + mv^2/2 m*(gh + v^2/2) Maximum height is reached when v 0: h energy/(mg) Initial energy is: energy mv^2/2 m (P_gauge/ρ) Therefore: h P_gauge/(ρg) P_gauge ρgh 1000*9.8*15 1.47*10^5 (Pa) (1.45/1.01) (atm) 1.436 (atm) It's interesting to note: When you have a big water tower, the height that the hose will be able to reach from the bottom should be the water level at the top of the tower. I guess that makes sense!
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QZJY,is a leading largest and professional manufacturer of fire hydrant and valves in China, Products for overseas markets covered all over the world.
1. Manufacturer Overview |
|
|---|---|
| Location | Quanzhou, China |
| Year Established | 1988 |
| Annual Output Value | Above US$ 0.8 Million |
| Main Markets | Mid East, Africa, Europe |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Shanghai, Shengzhen |
| Export Percentage | 40% |
| No.of Employees in Trade Department | 210 People |
| Language Spoken: | English；Chinese;Spain ;Alabic |
| b)Factory Information | |
| Factory Size: | Above 7,000 square meters |
| No. of Production Lines | Above 6 |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Average |
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Fire Hose Nozzle For Fire Fighting
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 10000 per week pc/month
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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