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The valve is known as an Ammonia Refrigeration Welded Shut-off and Control (Throttle) Valve for Ammonia Gas Cold Rooms. It is used in ammonia cold room piping and refrigeration systems to control the flow of ammonia by operating the handwheel. This type of valve ensures precise regulation and reliable performance in low-temperature environments.
Model NO.: Cast Valve
Trademark: Dofun
Transport Package: Carton / Wooden Carton / Pallet
Specification: DN15 - DN25
Origin: China
HS Code: 8481804090
Goods Description: Ammonia Refrigeration Welded Shut-off and Control (Throttle) Valve for Ammonia Gas Cold Room
| Type No. | Nominal Diameter | GB-D | DIN-D | Length-L | Cap-C | Dimension-E | Connection |
| TVD-S | 15 | 18 | 21.3 | 120 | 39 | 19 | Butt Welding |
| 20 | 25 | 26.9 | 120 | 39 | 19 | ||
| 25 | 32 | 33.7 | 120 | 39 | 19 | ||
| 32 | 38 | 42.4 | 155 | 50 | 26.5 | ||
| 40 | 45 | 48.3 | 155 | 50 | 26.5 | ||
| 50 | 57 | 60.3 | 148 | 50 | 32.5 | ||
| 65 | 76 | 76.1 | 176 | 50 | 40.5 |
| Technical Parameters: | |
| Nominal Pressure (PN) | 4.0 MPa |
| Test Pressure (PS) | 6.0 MPa |
| Applicable Temperature | -50°C ~ +150°C |
| Applicable Medium | Suitable for non-flammable refrigerants such as R717 and R22 (depending on the sealing material). |
The valve is known as an Ammonia Refrigeration Welded Shut-off and Control (Throttle) Valve for Ammonia Gas Cold Rooms. It is used in ammonia cold room piping and refrigeration systems to control the flow of ammonia by operating the handwheel. This type of valve ensures precise regulation and reliable performance in low-temperature environments.
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Zhejiang Sanlong Universal Machinery Co.,Ltd. , https://www.sanlongco.com