Ball Valve, Sulfur Resistant Ball Valve, 316 Stainless Steel Ball Valve manufacturer / supplier in China, offering Kq347/Oqk647/Oqk947 316 Stainless Steel Sulfur Resistant Ball Valve, Manufacturers of C25, C30, C40, K9 Ductile Iron Pipe in China, High Strength Hex Bolt DIN933 Full Tread Hexagon/ Half Thread Hex Head Bolts and so on.
| Min. Order / Reference FOB Price | 1 Piece | US $150-2,000/ Piece |
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| Port: | Tianjin, China
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| Production Capacity: | 50000 |
| Payment Terms: | L/C, T/T, Western Union |
| Material: | Stainless Steel |
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| Connection Form: | Flange |
| Nominal Pressure: | Pn2.5-10MPa |
| Channel: | Straight Through Type |
| Structure: | Fixed Ball Valve |
| Type: | Fixed Ball Valve |
PN(MPa) | test pressure(MPa) | pressure grade | test pressure(MPa) | ||||
| shell body | high pressure liquid seal | low pressure gas seal | shell body | high pressure liquid seal | low pressure gas seal | ||
| 2.5 | 3.75 | 2.75 | 0.6 | CLASS150 | 2.94 | 2.16 | 0.6 |
| 4.0 | 6.0 | 4.4 | CLASS300 | 7.76 | 5.62 | ||
| 6.4 | 9.6 | 7 | CLASS600 | 15.3 | 11.23 | ||
| 10.0 | 15 | 11 | CLASS900 | 23 | 16.85 | ||
Material
| model | parts name | material | |||
| carbon steel | Cryogenic steel | stainles steel | |||
| OQK41/7E OQK341/7E OQK641/7E OQK941/7E | valve body | A105 | A350LF2 | A182 F316 | |
| sphere | A105+nickeling | A350LF2 | A182 F316 | ||
| valve rod, fixed shaft | 45/40cr+nickeling | 42CrMo+nickeling | A182 F316 | ||
| valve seat | A105+nickeling | A350LF2+nickeling | A182 F316 | ||
| sealing ring | reinforced PTFE Para polyphenylene | ||||
| O type ring | fluororubber | ||||
| gasket,packing | soft graphite V type PTFE | ||||
| shaft sleeve | SF Self-lubricating bearing | ||||
| bolts | A193 B7M | A193 B7M | 316 | ||
| nuts | A194 2HM | A194 7M | 316 | ||
| Application specification | Structural length | GB12221-89 ANSI B16.10 | |||
| Flange size | JB79-59 GB9113 HG20592-97 ANSI B16.5 | ||||
| Welding standard | GB12221-89 ANSI B16.25 | ||||
| Inspection test | GB/T13927 JB/T9092-99 API598 | ||||
| Fire test | API 607 BS6755 II | ||||
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