WhatsApp:
+8613188899036
Email:
[email protected]
Avoid your inquiry is delay response, please enter your WhatsApp/WeChat/Skype along with the message, so we can contact you at the very first time
We will reply you within 24 hours. If for urgent case, please add WhatsApp: +8613188899036, or WeChat: 0531-87968777. Or call 0531-87968777 directly.
* We respect your confidentiality and all information are protected. We will only use your information to respond to your inquiry and will never send unsolicited emails or promotional messages.
Valve body: cast stainless steel 304
Valve stem: stainless steel 304
Valve plate: Forged brass
medium: Water/Steam
Temperature Range: 0–95°C, 0–180°C
Tolerable pressure: 2.5 MPa at 90 °C
Leakage rate: < 0.02% of Kv value
The NVK-62 series stainless steel two-way and three – way valves are equipped with proportional integral drives and temperature controllers, which can regulate the flow of steam or water in heating and air conditioning systems, and are widely used in centralair conditioning systems.
| Specifications | NVK-62A stainless steel valve body | NVK-62B high-temperature valve (steam valve) | |||||||||||||||||||||
| Materials | Valve body | cast stainless steel 304 | cast stainless steel 304 | ||||||||||||||||||||
| Valve stem | stainless steel 304 | stainless steel 304 | |||||||||||||||||||||
| Valve stem seal | Double layer V-shaped and 0- type combination |
Double layer V-shaped and 0-type combination | |||||||||||||||||||||
| Fluororubber seals | Fluororubber seals | ||||||||||||||||||||||
| PTFE seals PTFE seals | PTFE seals PTFE seals | ||||||||||||||||||||||
| Valve plate | Forged brass | cast stainless steel 304 | |||||||||||||||||||||
| Tolerable pressure | 2.5MPa at 90 ℃ | 2.5MPa at 180 ℃ | |||||||||||||||||||||
| Connection mode | Equal internal thread type | Equal internal thread type | |||||||||||||||||||||
| Medium | Water | Water/Steam | |||||||||||||||||||||
| Operating condition | < 95℃ | < 180℃ | |||||||||||||||||||||
| Feature | Linear | Linear | |||||||||||||||||||||
| Leakage | Less than 0.02% of Kv value | Less than 0.02% of Kv value | |||||||||||||||||||||
| Closing direction | The stem moves upward-Valve closing direction | The stem moves upward-Valve closing direction | |||||||||||||||||||||
| Performance parameter |
See Tables 1 and 2 | ||||||||||||||||||||||
| Tables 1 2-way valve performance parameters | ||||||||||||||
| Type | diameter (DN) |
Flow coefficient (Kv) |
Closing pressure differential (MPa) |
Stem travel (mm) |
||||||||||
| NVK-62-32 | 32 | 10 | 0.4 | 20 | ||||||||||
| NVK-62-40 | 40 | 20 | 0.35 | 20 | ||||||||||
| NVK-62-50 | 50 | 32 | 0.3 | 20 | ||||||||||
| NVK-62-65 | 65 | 63 | 0.2 | 24 | ||||||||||
| Tables 2 3-way valve performance parameters | |||||||||
| Type | diameter (DN) |
Flow coefficient (Kv) |
Closing pressure differential (MPa) |
Stemtr avel (mm) |
|||||
| NVK-62-32 | 32 | 10 | 0.35 | 20 | |||||
| NVK-62-40 | 40 | 20 | 0.3 | 20 | |||||
| NVK-62-50 | 50 | 32 | 0.3 | 20 | |||||
| NVK-62-65 | 65 | 63 | 0.2 | 24 | |||||
| T ables 3 2-way Overall dimension | |||||||||
| Type | Screw thread |
A | B | C | |||||
| NVK-62-32 | G1 ¼ | 105 | 39 | 108 | |||||
| NVK-62-40 | G1 ½ | 120 | 45 | 113 | |||||
| NVK-62-50 | G2 ¼ | 140 | 53 | 127 | |||||
| NVK-62-65 | G2 ½ | 160 | 61 | 131 | |||||
| Tables 4 3-way Overall dimension | |||||||||
| Type | Screw thread |
A | B | C | |||||
| NVK-62-32 | G1 ¼ | 105 | 59 | 108 | |||||
| NVK-62-40 | G1 ½ | 120 | 65 | 113 | |||||
| NVK-62-50 | G2 ¼ | 140 | 59 | 127 | |||||
| NVK-62-65 | G2 ½ | 160 | 84 | 131 | |||||
English 
French 
Spanish 
Russian 
Arabic 