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鍛鋼截止閥
鍛鋼截止閥採用鍛造細晶閥體而非鑄件，提供用於電力、石化與苛刻工況小口徑高壓管線的緊湊高完整性截斷內件。產品範圍涵蓋 DN15 至 DN50，Class 800 至 Class 2500，端接為對焊、承插焊或法蘭，閥體、閥盤、閥蓋與填料壓蓋法蘭涵蓋 A105、F22、F304L 與 F316L，閥桿為 F6/F304 系列、閥桿螺母 A276 410、手輪 A197。設計依 API 602 / BS 5352 / ASME B16.34，面距依 ASME B16.10、承插焊 B16.11、法蘭端 B16.5，測試依 API 598。選型取決於鍛造等級對溫度與介質、壓力等級，以及管線要求的焊接、螺紋或法蘭端接。
屬於 截止閥 系列
最後更新： 2026-11
系列規格
| Nominal valve connection size | DN15 to DN50 |
|---|---|
| Pressure class / nominal rating designation | Class 800 to Class 2500 |
| Pressure class / nominal rating designation | Class800 to Class2500 |
| End connection types | Buttweld, Socketweld, Flanged |
| Materials (component scope as published) | A105, F22, F304L, F316L |
| Service temperature range | -196°C to 570°C |
| Design standards | API 602, BS 5352, ASME B16.34 |
| Design standards | API602, BS5352, ASME B16.34 |
| Inspection and pressure-test standards | API 598 |
| Valve body material | A105, F22, F304L, F316L |
| Disc Materials | A105, F22, F304L, F316L |
| Bonnet material | A105, F22, F304L, F316L |
| gland flange materials | A105, F22, F304L, F316L |
| Stem material | F6, F304, F304L, F316L |
| stem nut materials | A276 410 |
| handwheel materials | A197 |
| Face-to-face dimensional standard | ASME B16.10 |
| pvl size range | 1/4" - 2" |
| pvl pressure class | ASME Class 150 - 2680 |
| pvl figure numbers | GL01 / GLL1 / GL03 / GLL3 / GL06 / GLL6 / GL08 / GLL8 / GL15 / GLL5 / GL16 / GL25 / GL26 |
| pvl bonnet options | Bolted or Welded Bonnet |
| pvl end connections | Flanged, Threaded or Socket Weld Ends |
| pvl materials | Forged Carbon, Stainless or Alloy Steel Materials |
| pvl trim options | Available in all trim configurations |
| pvl full port options | Full Port option available for classes 150 - 1500 |
| pvl y pattern pressure class | Class 800 - 2680 |
| pvl y pattern figure numbers | GY08 / GYL8 / GY15 / GYL5 / GY16 / GY25 / GY26 |
| pvl y pattern bonnet options | Welded Bonnet |
| pvl y pattern full port options | Full Port option available for classes 800 - 1500 |
| ttn design series | 316L Forged Stainless Steel Class 800 Socket Weld Globe Valve |
| ttn size example | 1/2 Inch |
| ttn model | SV44836 |
| ttn body material | 316L Stainless Steel |
| ttn pressure rating | 200 WOG |
| ttn end connections | Socket Weld and Threaded |
| ttn operation | Hand Wheel |
| ttn steam pressure rating | Not Rated |
| ttn bonnet type | Bolted Bonnet |
| ttn shape | Inline |
| wwv design standard short | API-602 |
| wwv end connections | Socket Weld, Threaded, Combined or Flanged RF or RTJ |
| wwv port options | Standard or Full Port |
| wwv emissions feature | Low fugitive emissions control |
| wwv nace service | NACE Service either MR-0175 or MR-0103 |
| wwv testing standard | API-598 |
| wwv stem design | Rising stem with precision acme thread |
| wwv seat ring feature | Stellited seat ring |
| wwv seat options | Integral welded seat or threaded seat |
| wwv trim reference | TRIM 8 A 105N |
| wwv body material | A105 |
| wwv disc material | A276-420 |
| wwv stem material | A276-410 |
| wwv bonnet gasket material | 304+FLEXIBLE GRAPHITE |
| wwv stem packing material | FLEXIBLE GRAPHITE |
| wwv handwheel material | A197 |
| wwv stem nut material | A276-410 |
| wwv design standards | API 602 & ASME B16.34 |
| wwv bonnet options | Bolted or Welded Bonnet |
| wwv disc design | Tapered loose disc |
| wwv stem design os and y | Stem with ACME Threaded (OS&Y) |
| wwv gasket type | Spiral Wound Gasket |
| wwv seat ring type | Integral Seat Ring |
| wwv size range | 1/4" to 2" |
| wwv pressure class | 800, 1500 & 2500 |
| wwv flanged pressure class | 150, 300, 600, & 1500 |
| wwv body material options | Carbon Steels A105, Low Alloy Steels F1, F11, and F22, Stainless Steel Valves F304, F316, Low Carbon Stainless Steel F304L, F316L, Duplex Stainless Steel F51, F53 |
| gland flange | A105, F22, F304L, F316L |
| socketweld ends | ASME B16.11 |
| screwed ends | ASME B1.20.1 |
| flanged ends | ASME B16.5 |
| inspection testing | API598 |
相關產品與替代方案
| Not a substitute for | 球閥 — Continuous full-flow duty — globe trim pressure drop rules the design out where uninterrupted full bore flow is required; select a full-bore execution instead |
|---|
互換性與相容性陳述屬包絡層級：所述關係在所示範圍內成立，須於報價時對照工作條件與適用標準確認。
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
鍛鋼截止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。
鍛鋼截止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。
鍛鋼截止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。
此子類型的型號與結構
型號
緊湊鍛造截止閥
緊湊鍛造截止閥是截止閥家族的小口徑高壓版本：依 API 602 建造的鍛造閥體，涵蓋 NPS 1/2 至 2，ASME Class 150 至 4500，T 型、Y 型與角型。結構涵蓋碳鋼、不鏽鋼、合金鋼、雙相不鏽鋼、鎳基與鈦合金閥體，端接 RF、BW、RTJ、SW 與 NPT，操作手動、氣動、電動或液動。
查看規格 →型號
低溫截止閥
低溫截止閥是鍛鋼截止閥產品線的加長閥蓋版本：閥蓋加長使閥桿填料距離冷源足夠遠、保持在工作溫度範圍內，F304/F316 不鏽鋼閥體與閥蓋結構適合碳鋼閥體會低於韌性極限的低溫液化氣體服務。基準結構涵蓋 NPS 1/2 至 2，常規通徑（全通徑小一個規格），Class 800 螺紋與承插焊端，以及 API 602、AP16
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