Media: | Steam Oil Water |
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Certification: | CCC, RoHS, ISO, CE |
Temperature: | High Temperature |
Connection: | Flange |
Valve Seat: | Single-Seat |
Structure: | Lever |
Customization: |
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Product Name: | Internal screw piston steam reducing valve | Product Model: | Y13H |
Nominal diameter: | DN15 to DN50 | Structural form: | Piston type, pilot type |
Working pressure: | 1.0MPa ~ 6.4.0MPa ~ 16.0MPa | Connection method: | Flange, internal thread |
Applicable temperature: | -20ºC to +425ºC | Function Function: | Pressure stabilization after decompression |
Body material: | Cast iron, cast steel, stainless steel | Manufacturing standard: | GB, German DIN, American API, ANSI |
Applicable media: | Water, oil, steam, etc | Manufacturer: | Xuan Cheng Valve Co., LTD |
Nominal pressure (MPa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Shell test pressure (Mpa) | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | 24 |
Seal test pressure (Mpa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Maximum inlet pressure (Mpa) | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
Outlet pressure range (Mpa) | 1.0-1.0 | 0.1-1.6 | 0.1-2.5 | 0.5-3.5 | 0.5-35 | 0.5-45 |
Pressure characteristic deviation (Mpa) △P2P | GB12246-1989 | |||||
Flow characteristic deviation (Mpa) △P2G | GB12246-1989 | |||||
Minimum pressure difference (Mpa) | 0.15 | 0.15 | 0.2 | 0.4 | 0.8 | 1.0 |
Leakage | GB12245-1989 | |||||
Standard | Other non-standard customizations |
DN | 15 | 20 | 25 | 32 | 40 | 50 |
Cv | 1 | 2.5 | 4 | 6.5 | 9 | 16 |
Part name | Part material |
Body cover bottom cover | WCB |
Seat disc | 2Cr13 |
Cylinder liner | 2Cr13/25 (hard chrome plated) |
Piston | 2Cr13/ copper alloy |
Piston ring | Alloy cast iron |
Guide seat guide stem | 2Cr13 |
Diaphragm | 1Cr18Ni9Ti |
Main valve spring | 50CrVA |
Pilot valve main spring | 50CrVA |
Adjusting spring | 60Si2Mn |
Nominal diameter DN | G | L | H | Hl |
15 | 1/2" | 140 | 295 | 90 |
20 | 3-4" | 140 | 330 | 98 |
25 | 1" | 160 | 330 | 110 |
32 | 1 1/4" | 180 | 330 | 110 |
40 | 1 1/4" | 200 | 345 | 125 |
50 | 2. "" | 230 | 345 | 125 |
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