Home > Products > All Manual Valve > flange non-return valve dn300
flange non-return valve dn300
- 900 Set / Sets per Month
- Tianjin or anyport of China
- T/T L/C D/P D/A Credit Card PayPal
Product Details
Standard or Nonstandard: | Standard | Structure: | Check | Pressure: | Other, Medium Pressure, 1.0Mpa, 1.6Mpa,2.5Mpa,4.0mpa |
Power: | Manual | Material: | Other, Casting, cast steel,WCB, stainless steel, ect. | Temperature of Media: | Normal Temperature |
Media: | Water | Port Size: | DN15-DN300 | Place of Origin: | Tianjin, China |
Model Number: | Bell | Brand Name: | Bell | Application: | General |
Product Description
flange non-return valve dn300
Product Feature:
1, the disc lift check valve disc, seat around tunnel axis rotation, due to the channel into a streamline in the valve, flow resistance is smaller than l butterfly check valve, suitable for low velocity and flow not often change the large diameter of occasions, but should not be used for oscillating flow, its sealing performance than lift.Butterfly check valve points single type, double disc type and for the most part three, the three forms mainly by the valve diameter, the purpose is to prevent the backflow medium flow or stop, decrease hydraulic shock.
2, lift check valve: disc revolve around pin in the seat of the check valve.Disc check valve has simple
structure, can only be installed in horizontal pipe runs, sealing is good.
3, lift check valve: disc sliding along the center line of the body of the valve.Pipeline check valve is a
new kind of valve, its small size, light in weight and good processing technology, is one of the check
valve development direction.But the fluid drag coefficient is slightly superior to swing check valves.
check valve specification:
Main performance parameters: | |
Nominal pressure | PN1.6/2.5/4.0Mpa |
Suitable temperature | ≤425℃ |
Applicable medium | Water, oil, gas, corrosive medium, etc |
Main components | valve body, valve cover, valve, gasket |
main material | Cast iron, ductile iron, carbon steel, stainless steel |
Type | DN(mm) | Dimension(mm) | ||||||
L | D | D1 | D2 | b-f | z-Φd | H | ||
HH41W-16Y | 15 | 130 | 95 | 65 | 45 | 14-2 | 4-Φ14 | 90 |
20 | 150 | 105 | 75 | 55 | 14-2 | 4-Φ14 | 105 | |
25 | 160 | 115 | 85 | 65 | 14-2 | 4-Φ14 | 115 | |
32 | 180 | 135 | 100 | 78 | 16-2 | 4-Φ18 | 120 | |
40 | 200 | 145 | 110 | 85 | 16-3 | 4-Φ18 | 130 | |
50 | 230 | 160 | 125 | 100 | 16-3 | 4-Φ18 | 140 | |
65 | 290 | 180 | 145 | 120 | 18-3 | 4-Φ18 | 150 | |
80 | 310 | 195 | 160 | 135 | 20-3 | 8-Φ18 | 170 | |
100 | 350 | 215 | 180 | 155 | 20-3 | 8-Φ18 | 185 | |
125 | 400 | 245 | 210 | 185 | 22-3 | 8-Φ18 | 195 | |
150 | 480 | 280 | 240 | 210 | 24-3 | 8-Φ23 | 225 | |
200 | 600 | 335 | 295 | 265 | 26-3 | 12-Φ23 | 250 | |
250 | 650 | 405 | 355 | 320 | 30-3 | 12-Φ25 | 270 | |
300 | 750 | 460 | 410 | 375 | 30-3 | 12-Φ25 | 300 | |
HH41W-25Y | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-Φ14 | 90 |
20 | 150 | 105 | 75 | 55 | 16-2 | 4-Φ14 | 105 | |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-Φ14 | 115 | |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-Φ18 | 120 | |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-Φ18 | 130 | |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-Φ18 | 140 | |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-Φ18 | 150 | |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-Φ18 | 170 | |
100 | 350 | 230 | 190 | 160 | 24-3 | 8-Φ23 | 185 | |
125 | 400 | 270 | 220 | 188 | 28-3 | 8-Φ25 | 165 | |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-Φ25 | 225 | |
200 | 600 | 360 | 310 | 278 | 34-3 | 12-Φ25 | 250 | |
350 | 650 | 425 | 370 | 335 | 36-3 | 12-Φ30 | 270 | |
300 | 750 | 485 | 430 | 390 | 40-4 | 16-Φ30 | 300 | |
HH41W-40Y | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-Φ14 | 90 |
20 | 150 | 1058 | 75 | 55 | 16-2 | 4-Φ14 | 105 | |
25 | 160 | 115 | 85 | 65 | 16-2 | 4-Φ14 | 115 | |
32 | 180 | 135 | 100 | 78 | 18-2 | 4-Φ18 | 120 | |
40 | 200 | 145 | 110 | 85 | 18-3 | 4-Φ18 | 130 | |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-Φ18 | 140 | |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-Φ18 | 150 | |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-Φ18 | 170 | |
100 | 350 | 230 | 190 | 160 | 24-3 | 8-Φ23 | 185 | |
125 | 400 | 270 | 220 | 188 | 28-3 | 8-Φ25 | 195 | |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-Φ25 | 225 | |
200 | 600 | 375 | 320 | 282 | 38-3 | 12-Φ30 | 250 | |
250 | 650 | 445 | 385 | 345 | 42-3 | 12-Φ34 | 270 | |
300 | 750 | 510 | 450 | 408 | 46-3 | 16-Φ34 | 300 |
Main picture
CE security certificate awarded by EU appointed Britain certificate authority
The ISO9001 quality certification
China famous brand certificate
China AAA level credit enterprise certificate
Tianjin Enterprises Association Member
China quality assurance certificate
The Qualified Supplier Certificate Issued by Beijing Capital Iron & Steel Group
1. How about your price?
Although we are brand-name products, but our prices are very favorable and competitive.
Customer from all over the world to purchase our products, because our best price.
2. How long is your warranty?
Our Warranty is 12 month
3. What’s your payment?
Our Payment could be
(1) 100% T/T
(2) 30% in advance, others before shipment.
(3)Advance, others letter of credit.
4. What’s your beneficiary bank?
Our beneficiary bank have :
(1)Alibaba one touch account
(2) Alibaba Trade Assurance account
(3) Bell Group's bank account
(4)Tianjin Bell company bank account
(5)Paypal
(6)Western Union
(7) China's domestic use RMB remittance
Specific accounts can be found on our website.
5. Could you special design and produce for you?
Sure, we have all kinds of professional engineers,
Could design and produce special product according to customer requested.
Such as: special Size, special control, or OEM, etc.
6. Do you looking for Agent?
Yes, we're looking for the agent all over the world, please contact us for further discussion.
Contact Us
- Tianjin Bell Automatic Instrument Technology Co., Ltd.
- Contact nameSarah He
- Phone86-22-27553780
- AddressLonghuai Road, Shuangjiang Road, Shuangyuan Economic Development Zone
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