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全焊接球閥
全焊接球閥以焊接方式連接閥體兩半，取代螺栓法蘭連接，消除埋地、區域供熱與燃氣輸配管線上會洩漏或需反覆緊固的閥體接縫。系列涵蓋 DN50 至 DN600，PN10 至 PN40 及 Class 150 至 Class 300，材料為 SS304/SS316 或 A105/F11/F22，PTFE 或 RTFE 密封件、石墨填料，端接形式為 RF、RTJ 或對焊。設計依據涵蓋 API 6D 與 API 608，並列引 MSS SP-72、ASME B16.34 與 ISO 17292，另具備 API 607 與 API 6FA 防火結構；測試依 API 598、API 6D、EN 12266 與 ISO 5208。手輪、齒輪、電動與氣動操作均在焊接系列中列出。
屬於 球閥 系列
最後更新： 2026-11
系列規格
| Nominal valve connection size | DN50 to DN600 |
|---|---|
| Pressure class / nominal rating designation | PN10 to PN40, Class 150 to Class 300 |
| Pressure class / nominal rating designation | PN10 to PN40, Class150 to Class300 |
| Valve body material | WCB, A105, SS304, SS316, F11, F22 |
| Ball material | SS304, SS316 |
| Stem material | SS304, SS316 |
| End connection types | RF, RTJ, BW |
| Operation / closure mode | Handwheel, Gear operated, Electric actuated, Pneumatic actuated |
| Service temperature range | -29°C to 180°C |
| Design standards | API 6D, API 608, ASME B16.34, MSS SP-72, BS5351, ISO 17292, EN 13709 |
| Inspection and pressure-test standards | API 598, API 6D, DIN 3230, EN 12266, ISO 5208 |
| Fire Safe Design | API 607, API 6FA |
| Seal material | PTFE, RTFE |
| Packing Materials | Graphite |
| fva design standards | API 6D, BS 5351, ASME B16.34 across collected SKUs |
| fva size range | DN50 (2 inch) to DN1200 (48 inch) across collected SKUs |
| fva size upper | DN1400 (56 inch) on selected SKUs |
| fva pressure class | Class 150 to 2500 LB across collected SKUs |
| fva pressure mid | PN100 (Class 600 LB) on ASTM A350 LF2 DN400 SKU |
| fva pressure high | PN160 (Class 900 LB) on ASTM A350 LF2 DN300 SKU |
| fva body materials | ASTM A105 and ASTM A350 LF2 forged carbon steel; stainless steel across collected SKUs |
| fva end connections | Butt weld (BW) ends on most SKUs; RF ends on selected SKUs |
| fva operation | Gearbox operated on selected SKUs |
| fva bore options | Reduced bore on selected SKUs (integrated welded body) |
| fva underground variant | Directly buried/underground variants with extended polyethylene (PE) pipes |
| fva filter variant | Filter type fully welded ball valve variant (ASTM A105, 8 IN, 150 LB, RF) |
| fvb sku 24in a105n | 24 inch, Class 300 LB, ASTM A105N body, gearbox operated, fully welded design |
| fvb sku 20in f316 | 20 inch, Class 600 LB, ASTM A182 F316 body, gearbox operated |
| fvb sku 6in extbonnet | 6 inch extended bonnet SKU, Class 300 LB, ASTM A105N |
| fvb sku 8in f316 | 8 inch, Class 300 LB, ASTM A182 F316, gear operated fully welded |
| fvb safety features | Locking device (safety interlock key), single/double piston effect, emergency sealant injection, fire safe design, anti-static device, blowout-proof stem, body vent device, stem extension for underground and cryogenic service |
| fvb design standards | API 6D (design and manufacture); face-to-face ASME B16.10; flanged ends ASME B16.5; test and inspection API 6D / API 598 |
| fvb bore options | Full bore or reduced bore |
| fvc size range | 2 to 56 inch (DN50 to DN1400) across collected SKUs |
| fvc pressure class | Class 150 to 2500 LB (PN16 to PN420) |
| fvc body materials | DIN EN 10217-2 ST 37.8 / ST 37.0 carbon steel, ASTM A105, alloy steel across collected SKUs |
| fvc design standards | API 6D, ASME B16.34, DIN 3357, EN 13709, BS 5351 across collected SKUs |
| fvc ball support | Floating and trunnion configurations on one-piece welded body |
| fvc bore options | Full or reduced bore |
| fvc seat materials | Soft seats on selected SKUs |
| fvc dbb function | Double Block and Bleed on selected SKUs |
| fvc end connections | Butt weld (BW) ends |
| fvc underground features | Anti-blow-out stem and anti-static function on underground SKUs |
| fvc extended stem | Extended stem for underground applications; pressurization on either side |
| fvc application | District heating applications |
| fvd product reference | Fig.1472 controlled product reference: fully welded product route, full/reduced bore routes, BW end route, rating-specific dimensional references |
| fvd end connections | BW route in current product reference; flanged or other verified interfaces reviewed per project |
| fvd ball support | Floating or trunnion ball support as verified by series |
| fvd actuation | Manual, gear or powered actuation |
| packing ring materials | WCB, A105, SS304, SS316 |
| packing | Graphite |
| gasket | PTFE |
| end to end | ANSI B 16.5, ASME B16.47, EN1092, DIN2543, AS2129 |
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
全焊接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。
全焊接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。
全焊接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。