Stainless Steel Dual Plate Wafer Spring Check Valve
Valve Type: |
Wafer check valve |
Structure: |
Double disc |
Standard: |
AWWA C594 |
Workmanship: |
Investment casting |
Sealing direction: |
Single-directional |
Sealing grade: |
Zero leakage |
Temperature: |
-40°C<T<800°C |
Operation: |
Self-starting |
Characteristics
The clamp check valve is made of stainless steel material, with core advantages concentrated in three dimensions: corrosion resistance, adaptability, and durability, which can significantly improve the reliability of the valve under complex working conditions.

Advantages
1. Wide temperature adaptability, capable of handling both high and low temperature conditions
Stainless steel material has stable mechanical properties in the temperature range of * * -40 ℃~450 ℃ * *. With different sealing seats (such as fluororubber and metal hard seals), it can adapt to the transportation of low-temperature freezing media and meet the needs of high-temperature steam, hot oil and other working conditions. Compared with cast iron valves, it is less prone to brittle cracking due to sudden temperature changes.
2. Lightweight design, compatible with the advantages of clip on installation
Stainless steel has a lower density than cast steel, and the valve body is lighter in weight. Combined with a clamp type compact structure, it further reduces the load-bearing capacity of pipeline flanges. No additional reinforcement brackets are required during installation, making it particularly suitable for pipeline systems with limited space and strict load-bearing requirements.
3. Convenient maintenance and reduced long-term usage costs
Stainless steel valve body is not prone to scaling and coking, and the inner wall of the flow channel is smooth. Daily cleaning only requires simple flushing; And the anti-corrosion characteristics reduce the rusting and jamming of internal components of the valve, lower the probability of valve disc opening and closing failure, and significantly reduce the frequency and cost of shutdown maintenance.

Packing
Standard export wooden case packaging

Application Scenarios
This valve finds extensive application in pipeline networks spanning multiple industries, including chemical processing, petroleum refining, pharmaceutical manufacturing, food and beverage production, seawater desalination, water treatment engineering and HVAC systems. It demonstrates exceptional suitability for operating conditions where rigorous standards for medium purity and corrosion resistance are mandated, alongside constraints on installation space.



Material
| Body | Disc | Stem | Rubber gasket | Spring | ||||
| Name | Code | Name | Code | Name | Name | Code | Working temp ℃ | Name |
| Cast Iron Ductile lron Carbon steel Stainless stee |
Z Q C P |
Plated ductile Iron Aluminum bronze ZG1Cr13Ni9Ti Stainless steel CF8M Stanless steel CF8M Stainless steel |
1 2 5 7 |
Stainless steel |
EPDM Neoprene NBR Neoprene |
X3 X4 X5 X7 |
-46~+121 Short time -50~+150 -29~+99 Short time -35~+113 -23~+82 Short time -23~+93 -23~+150 |
Stainless steel |
Dimension

DN |
D |
D1 |
D2 |
L |
R |
t |
|
mm |
inch |
||||||
| 50 | 2" | 107 | 65 | 43.3 | 43 | 28.2 | 19 |
| 65 | 2.5" | 127 | 80 | 60.2 | 46 | 36.1 | 20 |
| 80 | 3" | 142 | 94 | 66.4 | 64 | 43.4 | 28 |
| 100 | 4" | 162 | 117 | 90.8 | 64 | 52.8 | 27 |
| 125 | 5" | 192 | 145 | 116.9 | 70 | 65.7 | 30 |
| 150 | 6" | 218 | 170 | 144.6 | 76 | 78.6 | 31 |
| 200 | 8" | 273 | 224 | 198.2 | 89 | 104.4 | 33 |
| 250 | 10" | 328 | 265 | 233.7 | 114 | 127 | 50 |
| 300 | 12" | 378 | 310 | 283.9 | 114 | 148.3 | 43 |
| 350 | 14" | 438 | 360 | 332.9 | 127 | 172.4 | 45 |
| 400 | 16" | 489 | 410 | 381.0 | 140 | 197.4 | 52 |
| 450 | 18" | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 |
| 500 | 20" | 594 | 505 | 467.8 | 152 | 241 | 58 |
| 600 | 24" | 690 | 624 | 572.6 | 178 | 295.4 | 73 |
| 700 | 28" | 800 | 720 | 680 | 229 | 354 | 98 |
















