Spring Loaded Check Valve stainless steel silent valve
Valve Type: |
Silent check valve |
Structure: |
Silent type |
Standard: |
API609 |
Workmanship: |
Investment casting |
Sealing direction: |
Single-directional |
Sealing grade: |
Zero leakage |
Temperature: |
-20°C<T<120°C |
Operation: |
Self-starting |
Characteristics
This SS silent check valve (304/316) is an anti-corrosion non-slam check valve with streamlined axial flow passage and spring quick-close structure. It effectively eliminates water hammer and operating noise while preventing medium backflow automatically. Excellent acid, alkali and seawater resistance makes it ideal for pure water, food, pharmaceutical, chemical and seawater desalination pipeline systems.

Advantages
1.The CF8 silent one way valve resists acid, alkali and seawater corrosion without rusting, meeting anti-corrosion requirements for food, pharmaceutical, chemical and seawater desalination projects.
2.Spring-assisted quick-close design avoids violent impact, eliminates pipeline noise and water hammer, effectively protecting pumps and pipeline accessories.
3.Smooth stainless steel inner surface prevents scaling and medium contamination. Wear-resistant internal parts ensure stable long-term operation with low maintenance costs.
Packing
Standard export wooden case packaging

Application Scenarios
This CF8M silent check valve is widely used in Pure water delivery pipelines, food & pharmaceutical process piping, seawater desalination systems, chemical acid & alkali medium lines, stainless steel circulating water equipment and anti-corrosion water supply projects.



Material
|
Part name |
Material |
Part name |
Material |
|
Body |
GJS 500-7 |
Gasket |
EPDM |
|
Disc |
GJS 500-7+EPDM |
|
ANSI 304 |
|
Spring |
ANSI 304 |
|
C61900 |
|
OO-ring |
NBR |
Baffle |
GJS 500-7 |
|
Stem |
ANSI 304 |
|
Dimension

|
Nominal diameter |
L |
D |
D1 |
N-Φd |
|||||||
|
DN(mm) |
NPS(in) |
PN10 |
PN16 |
PN25 |
PN10 |
PN16 |
PN25 |
PN10 |
PN16 |
PN25 |
|
|
50 |
2" |
150 |
165 |
165 |
165 |
125 |
125 |
125 |
4-Φ19 |
4-Φ19 |
4-Φ19 |
|
65 |
2.5" |
170 |
185 |
185 |
185 |
145 |
145 |
145 |
4-Φ19 |
4-Φ19 |
8-Φ19 |
|
80 |
3" |
180 |
200 |
200 |
200 |
160 |
160 |
160 |
8-Φ19 |
8-Φ19 |
8-Φ19 |
|
100 |
4" |
190 |
220 |
220 |
235 |
180 |
180 |
190 |
8-Φ19 |
8-Φ19 |
8-Φ23 |
|
125 |
5" |
200 |
250 |
250 |
270 |
210 |
210 |
220 |
8-Φ19 |
8-Φ19 |
8-Φ28 |
|
150 |
6" |
210 |
285 |
285 |
300 |
240 |
240 |
250 |
8-Φ23 |
8-Φ23 |
8-Φ28 |
|
200 |
8" |
230 |
340 |
340 |
360 |
295 |
295 |
310 |
8-Φ23 |
12-Φ23 |
12-Φ28 |
|
250 |
10" |
250 |
395 |
405 |
425 |
350 |
355 |
370 |
12-Φ23 |
12-Φ28 |
12-Φ31 |
|
300 |
12" |
270 |
445 |
460 |
485 |
400 |
410 |
430 |
12-Φ23 |
12-Φ28 |
16 -Φ31 |
















