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Product Introduce:
1. Check valves work automatically ,The wafer check valve is used to prevent back flow in the line.
2.Check valve is also called non-return valve, One-way valve, reflux valve, and back pressure valve. that normally allows fluid (liquid or gas) to flow through it in only one direction.
3. Small size, light weight and quickly closed
4. Use wafer type connection, compact structure
Specificationes of spring loaded wafer type check valve
Product name | Spring loaded wafer check valve | |
Nominal Diameter | DN15-DN300mm | |
Nominal pressure | PN16-40 | |
Medium | water, oil, steam, gas, Nitric acid | |
Main Materials | Body | WCB/CF8//CF8M/304/316 |
Disc | WCB CF8 CF8M CF3 CF3M | |
Sealing surface | Stainless steel , PTFE | |
Spring | WCB/304/316 | |


DN(mm) | L | D | ||
1.6 | 2.5 | 4.0 | ||
15 | 25 | 48 | 48 | 48 |
20 | 31.5 | 58 | 58 | 58 |
25 | 35.5 | 68 | 68 | 68 |
32 | 40 | 80 | 80 | 80 |
40 | 45 | 90 | 90 | 90 |
50 | 56 | 105 | 105 | 105 |
65 | 63 | 125 | 125 | 125 |
80 | 71 | 140 | 140 | 140 |
100 | 80 | 160 | 165 | 165 |
125 | 110 | 190 | 195 | 195 |
150 | 125 | 215 | 225 | 225 |
200 | 160 | 270 | 285 | 290 |
250 | 200 | 330 | 340 | 350 |
300 | 250 | 385 | 400 | 415 |

1. We accept and produce non-standard valves.
2. We will provide all the details to you during the mass production.
3. Necessary test and certificate can be obtained as you request
4. Your requirement are highly respected.
1. Inner Packing: opp bag, then small carton box for each product.
2. Outside Packing: standard exporting carton box or wooden box or as you required,
Foam outside protecting the valves against damage
Wuxi Sikaifu Machinery Manufacturing Co.,Ltd
Add: 10# Huanzhen North Road, Yangshi, Luoshe Town, Wuxi, Jiangsu, China
Tel:+86-510-82722832
Fax:+86-510-82722831
Website: https://www.sikaifufluid.com
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