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單座控制閥
單座控制閥在截止型閥體內採用單閥座與單閥塞，實現嚴密關斷與簡單、特性明確的內件——單一不平衡塞的力學預算可接受時的標準通用調節閥。產品範圍涵蓋 1/2" 至 12"，Class 150 至 600 / PN 16 至 PN 64 / JIS 10K 至 40K，法蘭與焊接端接，閥體為 WCB/WC6/WCC/CF8/CF8M/CF3/CF3M 與合金鋼，內件 SS304/SS316/SS316L，填料 V-PTFE/PTFE/石墨，閥座直徑 10 mm 至 200 mm，額定 Cv 1.6 至 630（等百分比）與 1.8 至 690（線性），多彈簧膜片執行器具氣關與氣開作用，節流與開關控制模式，服務窗口 -17°C 至 +230°C。選型取決於關斷等級、不平衡壓力預算對執行器，以及端接形式。
屬於 控制閥 系列
最後更新： 2026-10
系列規格
| Nominal valve connection size | 1/2" to 12" |
|---|---|
| Rated flow coefficient | Percentage 1.6 to 630, Linear 1.8 to 690 |
| Valve body material | WCB, WC6, WCC, CF8, CF8M, CF3, CF3M, Alloy Steel |
| Trim material | SS304, SS316, SS316L |
| End connection types | Flanged, Welded |
| Pressure (source-defined) | Class 150 to Class 600, PN 16 to PN 64, JIS 10K to 40K |
| Temperature (source-defined) | -17°C to +230°C |
| gland packing | V-PTFE, PTFE, Graphite |
| Control mode / signal | Throttling Control, On-Off Control |
| valve action | Air to Close, Air to Open |
| Actuator type / construction | Multi-Spring Diaphragm Type |
| seat diameter | 10 mm to 200 mm |
| wC valve structure | 2-Way globe valve |
| wC actuator type | Multi-diaphragm actuator |
| wC valve function | Linear motion control valve |
| wC body materials | Carbon Steel ASTM A216 WCB, Stainless Steel |
| wC size range | DN6-DN300, 1/4-12 Inch |
| wC pressure | PN16-PN64, Class 150 LB, 300 LB, 400 LB |
| wC end connections | Flange FF, RF, MF, RTJ |
| wD design standard | DIN 3356 |
| wD end connection | RF |
| wD face to face | EN 558-1 |
| wD working temperature | -29°C - +425°C |
| wD operation | Pneumatic actuator |
| wD testing standard | DIN 3230, EN 12266-1 |
| wD range body materials | Carbon steel, Stainless steel, Alloy steel |
| wD range nominal diameter | 3/4 Inch - 16 Inch (DN20 - DN400) |
| wD range end connections | BW, Flanged |
| wD range pressure | Class 150 LB - 2500 LB (PN16 - PN420) |
| wD range operation | Electric actuator, Pneumatic actuator, Electrohydraulic actuator |
| wD range working temperature | -196°C - +570°C |
| kC body material | ASTM A216 WCB |
| kC size | 1-1/4 Inch, DN32 |
| kC pressure | Class 150 LB, PN16 |
| kC end connection | RF Flanged |
| kC operation | Pneumatic Actuator |
| kC range port size | DN15-DN300, 1/2-12 Inch |
| kC range pressure | PN10-PN64, Class 150-600 LB |
| kC range medium | Water, Steam, Oil |
| kC range temperature | -29°C to 425°C |
| kC range body materials | ASTM A216 WCB, A217 WC6, WC9, A351 CF8, CF8M |
| kC range connection | Flange, Welding |
| kC range position type | 4-20mA signal control |
| kC range characteristic | Linear, Equal percentage, Quick open |
| tC body type | Straight-through, cast globe valve |
| tC nominal size | 3/4’’, 1’’, 1-1/4’’, 1-1/2’’, 2’’, 2-1/2’’, 3’’, 4’’, 5’’, 6’’, 8’’ |
| tC pressure rating | ANSI Class 125, ANSI Class 150, ANSI Class 300, ANSI Class 600, JIS 10K, JIS 16K, JIS 20K, JIS 30K, JIS 40K, PN1.6, 4.0, 6.4, 10.0 Mpa |
| tC end connections | Flanged End: FF, RJ, LG, ANSI B16.5, JIS B2201, JB/T79.1, Welded End: SW, BW, Threaded End: Rc |
| tC body materials | A216 WCB, A216WC6, A352 LCB, A351 CF8, A351 CF8M, A351 CF3M, A351 CF3 |
| tC bonnet types | Plain bonnet (-17 to 230°C), Extension bonnet Type1(-45 to -17°C and 230 to 566°C), Extension bonnet Type 2 Cryogenic Integral cast type (-100 to -45°C), Welded type (-196 to -100°C), Bellows type |
| tC gland packing | V-shaped PTFE, PTFE, Flexible graphite |
| tC trim | Single-seated, Contoured type plug |
| tC actuator type | Single-acting diaphragm actuator, Spring type piston actuator, Double acting piston actuator |
| tC diaphragm material | Cloth embedded nylon and ethylene propylene rubber |
| tC spring range | 20 to 100 kPa(0.2 to 1.0 kgf/cm2), 40 to 200 kPa(0.4 to 2.0 kgf/cm2), 80 to 240 kPa(0.8 to 2.4 kgf/cm2) |
| tC supply pressure | 0.14, 0.16, 0.28, 0.4, 0.5 Mpa |
| tC air connection | Rc1/4 or 1/4NPT internal thread |
| tC shutoff standard | the IEC or JIS Standards |
| tC size range | 1/2'' ~ 8'' |
| tC temperature range | -196 ~ +450°C |
| tD nominal size | 3/4’’, 1’’, 1-1/4’’, 1-1/2’’, 2’’, 2-1/2’’, 3’’ |
| tD size range | 3/4 ~3 |
| tD pressure class | 150 ~ 600LB |
| tD temperature range | -196 ~ +450°C |
| tD flow characteristics | Equal percentage, Linear |
| tD leakage metal seat | Metal Seat According to ANSI B16.104 Class II, leakage less than 0.5% of maximum valve capacity |
| tD leakage soft seat | Soft Seat According to ANSI B16.104 Class VI, leakage less than 0.00001% of maximum valve capacity |
| tD rangeability | 50:1 (Optional 75:1 for full port size) |
| tD ambient temperature | -20 to 70°C |
| tD valve action | FO: Air to close(Direct action actuator is combined.), FC: Air to open(Reverse action actuator is combined.) |
| tD accessories | P/P or I/P Positioner, Air filter regulator, Top-mounted or Side-mounted Handwheel, Limit switch, Solenoid valve, Motion transmitter, Booster relay, Lock-up valve, Air lock relay |
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
單座控制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。
單座控制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。
單座控制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
氣動單座截止型控制閥
氣動單座截止型控制閥是單座控制閥產品線的嚴密關斷、執行器驅動版本：單閥座與 SS304/SS316/SS316L 內件位於 WCB、WC6、WCC、CF8、CF8M、CF3、CF3M 或合金鋼閥體內，以 V-PTFE、PTFE 或石墨填料密封，多彈簧膜片執行器驅動。基準結構涵蓋 1/2" 至 12"，Class 150
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氟塑膠襯裡單座控制閥
氟塑膠襯裡單座控制閥是單座控制閥產品線的 FEP 襯裡腐蝕介質版本：WCB 或 CF8 閥體襯 FEP，內部為 FEP/PTFE 閥塞、閥座與波紋管部件，濕潤路徑為氟聚合物而非金屬。基準結構涵蓋 1/2" 至 12"，Class 150/300/600、PN10 至 64、JIS 10K 至 40K，標準 -17 C
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