We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Valve For Gas, Manual Double Offset Butterfly Valve, Mechanical Joint End Gate Valve, We are willing to give you the lowest price in the market, best quality and very nice sales service.Welcome to do bussines with us,let's be double win.
Competitive Price for Class900 Forged Steel High Pressure Valve - Foot valve/Weir type diaphragm valve – BESTOP Detail:
Size |
DN40 to DN300 |
Standard |
ANSI, DIN, BS, JIS, API, etc. |
Material |
Cast Iron, Ductile Iron |
Nominal Pressure |
PN10, PN16, CL125, CL150, JIS5K, JIS10K |
1 |
Design Standard according to EN1074-5 |
2 |
Flange Drilling according to DIN, BS, ANSI, JIS, etc. |
3 |
Nominal Pressure: PN10, PN16, CL125, CL150, JIS5K, JIS10K |
4 |
Working Temperature: 0-80℃ |
5 |
Suitable Medium: Water, Oil, Gas |
Nominal Pressure |
PN10/PN16 |
Class125/150 |
Shell Pressure |
24bar |
300PSI |
Seat Pressure |
17.6bar |
200PSI |
No. |
Part Name |
Material |
Standard |
1 |
Body |
Ductile Iron or Grey Cast Iron |
GGG50/GG25 |
2 |
Bonnet |
Ductile Iron or Grey Cast Iron |
GGG50/GG25 |
3 |
Spring |
65Mn |
- |
4 |
Guiding Stem |
Stainless Steel |
2Cr13 |
5 |
O-ring |
NBR |
- |
6 |
Disc |
Ductile Iron with NBR |
GGG50 |
7 |
Nut |
Carbon Steel |
A3 |
8 |
Washer |
Carbon Steel |
A3 |
9 |
Nut |
Carbon Steel |
A3 |
10 |
Washer |
Carbon Steel |
A3 |
11 |
Sleeve |
Stainless Steel |
SS304 |
DN |
D |
D1 |
D2 |
H |
b |
f |
z-Φd |
40 |
150 |
110 |
84 |
148 |
18 |
3 |
4-19 |
50 |
165 |
125 |
99 |
166 |
20 |
3 |
4-19 |
65 |
185 |
145 |
118 |
201 |
20 |
3 |
4-19 |
80 |
200 |
160 |
132 |
221 |
22 |
3 |
8-19 |
100 |
220 |
180 |
156 |
265 |
24 |
3 |
8-19 |
125 |
250 |
210 |
184 |
300 |
26 |
3 |
8-19 |
150 |
285 |
240 |
211 |
360 |
26 |
3 |
8-23 |
200 |
340 |
295 |
266 |
470 |
30 |
3 |
12-23 |
250 |
405 |
355 |
319 |
568 |
32 |
3 |
12-28 |
300 |
460 |
410 |
370 |
653 |
32 |
4 |
12-28 |
Remark: Our design can be suitable for all standard (BS, DIN, ANSI, JIS, etc.) |


No. |
Part Name |
Material |
1 |
Body |
Cast Iron, Cast Iron with Rubber or PTFE |
2 |
Bonnet |
Cast Iron |
3 |
Disc |
Cast Iron |
4 |
Handwheel |
Ductile Iron or Grey Cast Iron |
5 |
Diaphragm |
NBR, PTFE, Rubber |
6 |
Stem |
Carbon Steel |
1 |
Design Standard according to BS5156 |
2 |
Face to Face according to BS5156 |
3 |
Flange Drilling according to BS4504 |
4 |
Nominal Pressure: PN10, PN16 |
5 |
Working Temperature: ≤120℃ |
6 |
Suitable Medium: Water, Oil, Gas |
Nominal Pressure |
PN10 |
PN16 |
Shell Pressure |
15bar |
24bar |
Seat Pressure |
11bar |
17.6bar |
Nominal Diameter |
Nominal Pressure (MPa) |
Working Pressure (MPa) |
L |
D |
D1 |
n-Φd |
H1 |
H2 |
Do |
Weight (kgs) |
DN (mm) |
NPS (Inch) |
|
|
|
|
|
|
|
|
|
|
15 |
1/2″ |
1.6 |
1.6 |
108 |
95 |
65 |
4-14 |
- |
- |
- |
- |
20 |
3/4″ |
|
|
117 |
105 |
75 |
4-14 |
93 |
103 |
66 |
3 |
25 |
1″ |
|
|
127 |
115 |
85 |
4-14 |
100 |
112 |
66 |
4 |
32 |
1 1/4″ |
|
|
146 |
140 |
100 |
4-18 |
127 |
144 |
96 |
6.5 |
40 |
1 1/2″ |
|
|
159 |
150 |
110 |
4-18 |
136 |
156 |
96 |
7.5 |
50 |
2″ |
|
|
191 |
165 |
125 |
4-18 |
151 |
177 |
118 |
10 |
65 |
2 1/2″ |
1.0 |
1.0 |
216 |
185 |
145 |
4-18 |
183 |
213 |
165 |
16 |
80 |
3″ |
|
|
254 |
200 |
160 |
8-18 |
198 |
273 |
230 |
23.5 |
100 |
4″ |
|
|
305 |
220 |
180 |
8-18 |
266 |
320 |
280 |
34 |
125 |
5″ |
|
|
356 |
250 |
210 |
8-18 |
319 |
286 |
280 |
44 |
150 |
6″ |
|
|
406 |
285 |
240 |
8-22 |
380 |
453 |
368 |
67.5 |
200 |
8″ |
|
0.6 |
521 |
340 |
295 |
8-22 |
506 |
626 |
400 |
141.5 |
250 |
10″ |
|
|
635 |
395 |
350 |
12-22 |
598 |
734 |
500 |
229 |
300 |
12″ |
|
0.4 |
749 |
445 |
400 |
12-22 |
698 |
778 |
560 |
321 |
350 |
14″ |
|
|
749 |
505 |
460 |
16-22 |
723 |
883 |
560 |
360 |
400 |
16″ |
|
0.25 |
- |
565 |
515 |
16-26 |
868 |
1078 |
640 |
584 |
Regulating valve/Balance valve

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The business keeps to the operation concept scientific management, premium quality and efficiency primacy, customer supreme for Competitive Price for Class900 Forged Steel High Pressure Valve - Foot valve/Weir type diaphragm valve – BESTOP , The product will supply to all over the world, such as: Malta, Gabon, Porto, Our company adheres to the spirit of lower costs, higher quality, and making more benefits for our clients. Employing talents from the same line and adhering to the principle of honesty, good faith, real thing and sincerity, our company hopes to gain common development with clients from both at home and abroad!