Marine Bronze Globe Check Valves have both shut-off and check functions, and their main functions are as follows:
1. The valve disc automatically closes when the medium flows back, effectively preventing the pressure fluctuation or equipment damage caused by the backflow of the medium in the pipeline system, which is especially suitable for the safety protection of key systems such as ship fuel and lubricating oil.
2. The valve stem is driven up and down by rotating the handwheel to open and close, which can cut off or connect the flow of pipeline medium, and is suitable for the on-off control of various media such as fresh water, fuel oil, and lubricating oil.
3. Made of bronze (such as ZCuZn40Pb2, ZCuAl10Fe3 and other alloys), it has excellent seawater corrosion resistance (no rust in salt spray test for more than 1000 hours) and mechanical strength (tensile strength of more than 400MPa), and the flange connection structure ensures stability in ship vibration and pressure fluctuations.
4. It can handle fresh water, lubricating oil, fuel oil and 300-400℃ steam in the temperature range of -30℃~150℃, with a pressure level of more than 1.6MPa, meeting the demanding working conditions of ocean-going ships.


The design of Marine Bronze Globe Check Valves is more complex than that of stop valves. The opening height of stop check valves is small, the opening and closing time is short, and the flow rate is easy to adjust; the wear and scratch of the sealing surface is small, the service life is long, the manufacturing process is good, the maintenance is convenient, and the pressure application range is wide; Marine Bronze Globe Check Valves combines the functions of stop valves and check valves. Its core principle is to achieve unidirectional flow control and forced cutoff of the medium through the lifting and lowering movement of the valve disc.
Product Structure Drawing

Product Dimensions - unit:mm
|
Rating |
SIZE |
φd |
L |
H |
FF Flange |
φW |
Weight |
|||
|
φD |
φC |
t |
n-φh |
|||||||
|
5K F7301 F7351 |
15A |
15 |
100 |
130 |
80 |
60 |
9 |
4-12 |
80 |
2.02/1.96 |
|
20A |
20 |
110 |
140 |
85 |
65 |
10 |
4-12 |
100 |
2.86/2.77 |
|
|
25A |
25 |
120 |
160 |
95 |
75 |
10 |
4-12 |
125 |
3.54/3.41 |
|
|
32A |
32 |
140 |
170 |
115 |
90 |
12 |
4-15 |
125 |
5.0/4.86 |
|
|
40A |
40 |
160 |
190 |
120 |
95 |
12 |
4-15 |
140 |
6.48/6.30 |
|
|
50A |
50 |
210 |
235 |
130 |
105 |
14 |
4-15 |
140 |
11.7 |
|
|
65A |
65 |
250 |
260 |
155 |
130 |
14 |
4-15 |
160 |
17.0 |
|
|
16K F7303 F7409 |
15A |
15 |
110 |
130 |
95 |
70 |
12 |
4-15 |
80 |
2.76/2.70 |
|
20A |
20 |
120 |
140 |
100 |
75 |
14 |
4-15 |
100 |
3.72/3.63 |
|
|
25A |
25 |
130 |
160 |
125 |
90 |
14 |
4-19 |
125 |
5.20/5.09 |
|
|
32A |
32 |
160 |
170 |
135 |
100 |
16 |
4-19 |
125 |
6.91/6.77 |
|
|
40A |
40 |
180 |
190 |
140 |
105 |
16 |
4-19 |
140 |
8.43/8.25 |
|
- We accept customized packaging.
- We accept brand customization.
- We have advanced technology.
- We accept OEM&ODM for hardware's producing.
- We can offer the best service and timely delivery.
- We have our own factory with strict quality control system.
- We have 25+ years experiences of manufacturing and trading
- We have high quality and full range of JIS standard marine valves.

Material List
|
NO. |
Parts |
Material |
|
1 |
Body |
CAC406(BC6) |
|
2 |
Bonnet |
C3771 |
|
3 |
Disc |
C3771 |
|
4 |
Disc nut |
C3604 |
|
5 |
Packing gland |
C3604 |
|
6 |
Packing gland nut |
C3604 |
|
7 |
Stem |
C3771 |
|
8 |
Set screw |
SUS304 |
|
9 |
Handwheel |
FC200 |
|
10 |
Hex. nut |
C3604 |
|
11 |
Split pin |
C2600 |
|
12 |
Lockplate |
C2600 |
|
13 |
Disc lock washer |
C2600 |
|
14 |
Packing |
GRAPHITE |
|
15 |
Name plate |
C2801orSUS304 |
Hydro.test pressure - unit:kgf/cm
|
Rating |
5 |
16 |
|
Shell |
10.5 |
33 |
|
Seat |
7.7 |
24.2 |
Max. working pressure - unit:kgf/cm²
|
Rating Fluid condition |
5 |
16 |
|
Steam up to 2O5℃ |
5 |
16 |
|
Air,gas,oil and pulsation water |
||
|
Non shock water |
7 |
22 |
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