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三片式球閥
三片式球閥將球體與閥座容納於夾持在兩個端蓋之間的中段閥體內，因此整套內件可拆出維修而無需將閥門從管線上切下——這是法蘭製程管路重視可維護性的選擇。產品範圍涵蓋 DN15 至 DN100，PN1.0 至 PN4.0，配備 CF8/CF8M/鑄鐵/碳鋼閥體、端蓋與球體、SS304/SS316 閥桿與壓蓋、PTFE 閥座、密封件、填料與止推墊圈、不鏽鋼螺栓與鎖定件、全通徑或縮徑流道、精密鑄造閥體與防吹出閥桿、選配防靜電與鎖定裝置、DIN 3202 面距、EN 12266 / API 598 測試（溫度範圍 -20°C 至 +180°C），並附 1/2"（2.5 kg）至 4"（32.0 kg）的完整法蘭尺寸與重量表。選型取決於通徑對流量的匹配、管路採用的法蘭標準，以及是否需要在線維修內件。
屬於 球閥 系列
最後更新： 2026-10
系列規格
| Nominal valve connection size | DN15 to DN100 |
|---|---|
| Pressure class / nominal rating designation | PN1.0 to PN4.0 |
| Valve body material | CF8, CF8M, Cast Iron, Carbon Steel |
| Seat material | PTFE, RTFE |
| Ball material | CF8, CF8M, Cast Iron, Carbon Steel |
| Stem material | SS304, SS316 |
| Inspection and pressure-test standards | API598, EN12266 |
| Face-to-face dimensional standard | DIN3202 |
| cap materials | CF8, CF8M, Cast Iron, Carbon Steel |
| Seal material | PTFE |
| Packing Materials | PTFE |
| Temperature (source-defined) | -20°C to +180°C |
| construction features | Full port or Reduced Port, Investment casting, Blow-out proof stem, Anti-static device (option), Locking device |
| wT product name | 3 Piece Ball Valve |
| wT size | 1 Inch, DN25 |
| wT pressure | PN63 |
| wT material | ASTM A182 F316 |
| wT standard | API 608, GOST, DIN |
| wT temperature of media | -29°C To 120°C |
| wT seat material | PTFE, RPTFE, Devlon, Nylon, Peek |
| wT connection | SW |
| wT feature | Socket weld ball valve, Locking Device |
| wT size range | 1/4 -4 Inch, DN8-DN100 |
| wT pressure range | Class 150 LB, 300 LB, 600 LB, 900 LB, 1500 LB, 2500 LB |
| wT material range | Stainless Steel SS 304, ASTM A182 F316 |
| wT connection range | Thread BSP NPT, Female Thread/OD Size, threaded, Female, RF, RTJ, SW |
| wT certification | CE,TS,ISO9001,ISO14001,ISO18001,API |
| wT power | Manual |
| wT port size | 1" |
| wT structure | Ball, Floating |
| wT table pressure | High pressure |
| wT table temperature | -46~200 |
| wT table medium | Weak acid-base medium |
| wT table body material | Stainless Steel F316 |
| kT product name | 3-piece Forged Steel Ball Valve |
| kT design standard | ASME B16.34 |
| kT body material | ASTM A105 |
| kT size | 1/2 Inch, DN15 |
| kT pressure | Class 300 LB, PN50 |
| kT end connection | NPT x SW |
| kT operation | Lever |
| kT size range | 1/2-2 Inch for Forged Items |
| kT temperature range | -29°C to +150°C |
| kT design pressure | Class 150-1500 LB (PN10-PN250) |
| kT materials | Carbon Steel, Alloy Steel, Stainless Steel, Duplex Steel and Other Materials |
| kT trim materials | 13% Cr, SS 304, SS 304L, SS 316, SS 316L and other special materials |
| kT seat materials | PTFE, RPTFE, PEEK |
| kT end connections | SW, FNPT, BW |
| kT design and manufacture | ASME B16.34, API 602 |
| kT face to face | ANSI B16.10 |
| kT flanged connection | ANSI B16.5 |
| kT test and inspection | API 598, API 6D |
| kT butt welded end | ANSI B16.5 |
| kT threaded ends | ASME B1.20.1 |
| kT socket weld ends | ASME B16.11 |
| lT valve ball type | 3-PC Floating Ball Valve |
| lT manufacturing standards | API, ANSI, BS, DIN, JIS, ASME |
| lT size range | 1/2-36 Inch (DN15mm - DN900mm) |
| lT pressure | 900LB (PN150) |
| lT temperature | from -196 degrees C to 380 degrees C |
| lT connection | Flanged, butt-welded |
| lT body material | Alloy Steel CF8 |
訂購與文件
文件
請在詢問時一併說明您需要的文件組合——此結構的常見項目（材質證明、按所列檢驗標準的測試報告、尺寸圖）將於報價時確認並隨附供應。
報價
可直接報價的詢問應說明：公稱口徑與壓力額定、閥體與閥座材質偏好、端部連接、操作方式，以及含溫度的使用介質。本頁的典型值為基準參考範圍；具有約束力的數值於報價時確認。
樣品與供應
供應條件、訂購數量與交期按訂單議定——請在詢問時說明目的地國家與所需時程。
儲存與運輸
閥門儲存時應保護閥座與密封件免受紫外線、臭氧與變形影響，安裝前保留端面保護蓋；彈性體或 PTFE 閥座結構應避免長期戶外存放——閥座材料在陽光直射與冰凍條件下老化最快。
常見問題
三片式球閥的報價詢問應包含哪些內容？
執行標準與壓力等級、公稱口徑、閥體與閥座材質、介質及溫度、目的地——缺失的資訊會在報價過程中確認。
三片式球閥提供哪些口徑與壓力等級？
本頁面尚未公布該閥門經驗證的口徑與壓力等級範圍——適用於您工況的口徑與壓力等級會在報價過程中提出並確認。請在詢問時附上工況條件，選型結果會在報價中說明。
三片式球閥提供哪些閥體材質？
本頁面尚未公布該閥門經驗證的閥體材質範圍——適用於您工況的閥體材質會在報價過程中提出並確認。請在詢問時附上工況條件，選型結果會在報價中說明。