| Operating pressure |
| Pressure |
Class |
| A |
B |
C |
D |
| Expiratory pressure |
+355Pa(36mmH20) |
+980Pa(100mmH20) |
+1765Pa(180mmH20) |
special designation |
| Suction pressure |
-295Pa(30mmH20) |
-295Pa(30mmH20) |
-392Pa(40mmH20) |
special designation |
| ventilator |
| NO |
Specification(mm) |
50 |
80 |
100 |
150 |
200 |
250 |
| Pressure Rating(Pa) |
Ventilation volume(m3/h) |
| A |
+335 |
25 |
60 |
90 |
190 |
340 |
550 |
| -295 |
20 |
50 |
75 |
160 |
280 |
450 |
| B |
+980 |
30 |
70 |
100 |
200 |
380 |
600 |
| -295 |
20 |
50 |
75 |
160 |
280 |
450 |
| C |
+1765 |
40 |
95 |
140 |
280 |
500 |
800 |
| -295 |
20 |
50 |
75 |
160 |
280 |
450 |
| Standard allowable leakage(m3/h) |
≤0.04 |
≤0.4 |
| Material code |
| NO |
material |
| 1 |
ZALSi7Mg |
Cast Aluminum Alloy |
Aluminum |
1Cr13 |
304 |
polytetrafluoroethylene |
Oil |
| 2 |
cs |
carbon steel |
304 |
304 |
304 |
polytetrafluoroethylene |
Oil, chemicals |
| 3 |
0Cr18Ni9 |
SS304 |
304 |
304 |
304 |
polytetrafluoroethylene |
Chemicals |
| 4 |
00Cr19Ni11 |
SS304L |
304L |
304L |
304L |
polytetrafluoroethylene |
Chemicals |
| 5 |
0Cr17Ni12Mo2 |
SS316 |
316 |
316 |
316 |
polytetrafluoroethylene |
Chemicals |
| 6 |
00Cr17Ni14Mo2 |
SS316L |
316L |
316L |
316L |
polytetrafluoroethylene |
Chemicals |
| Main components |
| Valve material |
WCB, 304, 316, aluminum alloy |
| Positive pressure valve disc material |
304, 316, aluminum alloy |
| Negative pressure valve disk material |
304, 316, PTFE |
| Ambient temperature(ºC) |
-30~60 |
| Nominal diameter(mm) |
Mounting Dimension(mm) |
| D |
K |
L |
H |
n×φ |
| DN25 |
115 |
85 |
160 |
165 |
4×14 |
| DN32 |
135 |
100 |
180 |
185 |
4×18 |
| DN40 |
145 |
110 |
190 |
190 |
4×18 |
| DN50 |
160 |
125 |
220 |
220 |
4×18 |
| DN80 |
195 |
160 |
270 |
260 |
8×18 |
| DN100 |
215 |
180 |
310 |
280 |
8×18 |
| DN150 |
280 |
240 |
380 |
330 |
8×22 |
| DN200 |
335 |
295 |
450 |
380 |
12×22 |
| DN250 |
395 |
350 |
520 |
420 |
12×22 |
| DN300 |
565 |
515 |
670 |
520 |
16×26 |
We are a company with 20 years of production and sales experience.
We mainly provide safe and reliable API ,JIS ,DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.
We are a company with 20 years of production and sales experience. We mainly provide safe and reliable API, JIS, DIN Standard ball valve, gate valves, globe valves, check valves, fitting flange etc. for pipeline fluids.
Have API6D, CE, ISO certificate.
Our group total have about 300 employees. It is a integrated high-tech enterprise which includes casting and production, export safety process service.
· Casting room: 8 casting line, 20,000 square. 2,000 Ton / Year
· Workshop: 40,000 square meters, 270,000 Valves / Year( Including The automatic production line for flange ball valves 5,000 square, 500 PCS / Day )
· Stock : 30 Millon RMB SS valve
Our main customers are distributors and wholesalers at all levels. The main materials are WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, cast iron, pressure from 150LB to 2,500LB. PN16 - PN160, 10K, 20K, Caliber 1/2″-40", connection method RF, RTJ, FF, BW, etc.
Mainly we export to Brazil, Chile, Ecuador Vietnam, Turkey, Russian, Ukraine, Peru, Mexico, Romania, Czech Republic and other countries.
Company purpose: To provide reliable, efficient and flexible service, adhere to high quality, low price, fast delivery, professional quality control and good after-sales service attitude! Our goal is to become a reliable supplier of products in the petroleum industry.
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