截止閥 · 鍛鋼截止閥

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。

屬於 鍛鋼截止閥 系列

最後更新: 2026-11

緊湊鍛造截止閥
產品照片——代表此型號結構

規格

Design standards API 602
Nominal valve connection size NPS 1/2"~2" (DN15~DN50)
Pressure Rating ASME CLASS 150~4500 (PN16~PN760)
Valve body material Carbon steel, Stainless steel, Alloy steel, Duplex stainless steel, Nickel base, Titanium alloy steel
End connection types RF, BW, RTJ, SW, NPT
Operation / closure mode Manual, Pneumatic, Electric, Hydraulic
body material grades ASTM A105N, A350 Gr. LF2, A182 Gr. F11, A182 Gr. F22, A182 Gr. F5, A182 Gr. F304, A182 Gr. F316, A182 Gr. F304L, A182 Gr. F316L
approx weight 2.0 - 40 kg per valve (size, class and bonnet execution dependent)
end to end standard API 602 (threaded, socket-weld and butt-weld compact pattern); ASME B16.10 (overall-end flanged)
bonnet types Bolted bonnet, Welded bonnet, Pressure seal bonnet, Y-pattern
Stem material ASTM A182 F6a / A182 F304 / A182 F316 (per trim selection)
seat gasket Spiral wound graphite/316L SS body-bonnet gasket; graphite packing
end to end class800 bolted NPS 1/4: 79 mm | NPS 3/8: 79 mm | NPS 1/2: 79 mm | NPS 3/4: 92 mm | NPS 1: 111 mm | NPS 1-1/4: 120 mm | NPS 1-1/2: 152 mm | NPS 2: 172 mm (end-to-end length, Full port sizes)
bore diameter class800 bolted NPS 1/4: 6.8 mm | NPS 3/8: 6.8 mm | NPS 1/2: 9.5 mm | NPS 3/4: 13 mm | NPS 1: 18 mm | NPS 1-1/4: 23.5 mm | NPS 1-1/2: 28.5 mm | NPS 2: 36.5 mm (bore diameter, Full port sizes)
end to end class800 welded NPS 3/8: 76 mm | NPS 1/2: 76 mm | NPS 3/4: 86 mm | NPS 1: 102 mm | NPS 1-1/4: 140 mm | NPS 1-1/2: 140 mm | NPS 2: 170 mm (end-to-end length, Regular-port columns (full port one size smaller))
bore diameter class800 welded NPS 3/8: 6.5 mm | NPS 1/2: 9.5 mm | NPS 3/4: 12.7 mm | NPS 1: 17.5 mm | NPS 1-1/4: 23 mm | NPS 1-1/2: 28.6 mm | NPS 2: 36.5 mm (bore diameter, Regular-port columns)
weight class800 welded NPS 3/8: 2 kg | NPS 1/2: 2 kg | NPS 3/4: 2.5 kg | NPS 1: 3.5 kg | NPS 1-1/4: 7 kg | NPS 1-1/2: 7 kg | NPS 2: 10.5 kg (approx. weight, Regular-port columns)
end to end class900 1500 bw NPS 3/8: 90 mm | NPS 1/2: 90 mm | NPS 3/4: 104 mm | NPS 1: 120 mm | NPS 1-1/4: 150 mm | NPS 1-1/2: 150 mm | NPS 2: 180 mm (end-to-end length, Class 900/1500 bolted or welded bonnet (shared face-to-face))
bore diameter class900 1500 bw NPS 3/8: 8 mm | NPS 1/2: 9 mm | NPS 3/4: 12 mm | NPS 1: 15 mm | NPS 1-1/4: 21 mm | NPS 1-1/2: 27 mm | NPS 2: 32 mm (bore diameter, Class 900/1500 bolted or welded bonnet)
weight class900 1500 bw NPS 3/8: 2.5 kg | NPS 1/2: 2.5 kg | NPS 3/4: 3 kg | NPS 1: 5.5 kg | NPS 1-1/4: 8.5 kg | NPS 1-1/2: 8.5 kg | NPS 2: 14.5 kg (approx. weight, Class 900/1500 bolted or welded bonnet)
end to end class900 1500 y pattern NPS 3/8: 80 mm | NPS 1/2: 90 mm | NPS 3/4: 110 mm | NPS 1: 125 mm | NPS 1-1/4: 155 mm | NPS 1-1/2: 180 mm | NPS 2: 200 mm (end-to-end length, Class 900-1500 Y-pattern welded bonnet, full port)
bore diameter class900 1500 y pattern NPS 3/8: 9.5 mm | NPS 1/2: 12 mm | NPS 3/4: 15 mm | NPS 1: 21 mm | NPS 1-1/4: 27 mm | NPS 1-1/2: 32 mm | NPS 2: 38 mm (bore diameter, Class 900-1500 Y-pattern welded bonnet, full port)
weight class900 1500 y pattern NPS 3/8: 2.8 kg | NPS 1/2: 4 kg | NPS 3/4: 5 kg | NPS 1: 7.5 kg | NPS 1-1/4: 9 kg | NPS 1-1/2: 13 kg | NPS 2: 18 kg (approx. weight, Class 900-1500 Y-pattern welded bonnet, full port)
end to end class2500 welded NPS 3/8: 120 mm | NPS 1/2: 120 mm | NPS 3/4: 140 mm | NPS 1: 186 mm | NPS 1-1/4: 232 mm | NPS 1-1/2: 232 mm | NPS 2: 279 mm (end-to-end length, Class 2500 welded bonnet, ASME B16.34)
bore diameter class2500 welded NPS 3/8: 8 mm | NPS 1/2: 9 mm | NPS 3/4: 12 mm | NPS 1: 15 mm | NPS 1-1/4: 19 mm | NPS 1-1/2: 27 mm | NPS 2: 27 mm (bore diameter, Class 2500 welded bonnet)
weight class2500 welded NPS 3/8: 7.5 kg | NPS 1/2: 7.5 kg | NPS 3/4: 9 kg | NPS 1: 15.5 kg | NPS 1-1/4: 26 kg | NPS 1-1/2: 26 kg | NPS 2: 36 kg (approx. weight, Class 2500 welded bonnet)
end to end class2500 pressure seal NPS 3/8: 120 mm | NPS 1/2: 120 mm | NPS 3/4: 140 mm | NPS 1: 186 mm | NPS 1-1/4: 232 mm | NPS 1-1/2: 232 mm | NPS 2: 279 mm (end-to-end length, Class 2500 pressure seal bonnet, ASME B16.34)
bore diameter class2500 pressure seal NPS 3/8: 8 mm | NPS 1/2: 9 mm | NPS 3/4: 12 mm | NPS 1: 15 mm | NPS 1-1/4: 19 mm | NPS 1-1/2: 27 mm | NPS 2: 27 mm (bore diameter, Class 2500 pressure seal bonnet)
weight class2500 pressure seal NPS 3/8: 7.5 kg | NPS 1/2: 7.5 kg | NPS 3/4: 12 kg | NPS 1: 19.5 kg | NPS 1-1/4: 28 kg | NPS 1-1/2: 28 kg | NPS 2: 40 kg (approx. weight, Class 2500 pressure seal bonnet)
end to end class900 1500 y pressure seal NPS 1/2: 140 mm | NPS 3/4: 140 mm | NPS 1: 140 mm | NPS 1-1/2: 178 mm | NPS 2: 216 mm (end-to-end length, Class 900-1500 Y-pattern pressure seal bonnet, full port)
bore diameter class900 1500 y pressure seal NPS 1/2: 10 mm | NPS 3/4: 15 mm | NPS 1: 21 mm | NPS 1-1/2: 32 mm | NPS 2: 38 mm (bore diameter, Class 900-1500 Y-pattern pressure seal bonnet, full port)
weight class900 1500 y pressure seal NPS 1/2: 9 kg | NPS 3/4: 9.5 kg | NPS 1: 11.5 kg | NPS 1-1/2: 16.5 kg | NPS 2: 30 kg (approx. weight, Class 900-1500 Y-pattern pressure seal bonnet, full port)
end to end class900 1500 flanged NPS 1/2: 216 mm | NPS 3/4: 229 mm | NPS 1: 254 mm | NPS 1-1/2: 305 mm | NPS 2: 368 mm (end-to-end length, Class 900/1500 overall-end flange, bolted bonnet, ASME B16.10/B16.5)
bore diameter class900 1500 flanged NPS 1/2: 9 mm | NPS 3/4: 12 mm | NPS 1: 15 mm | NPS 1-1/2: 27 mm | NPS 2: 32 mm (bore diameter, Class 900/1500 overall-end flange, bolted bonnet)
weight class900 1500 flanged NPS 1/2: 7 kg | NPS 3/4: 9 kg | NPS 1: 14.5 kg | NPS 1-1/2: 22 kg | NPS 2: 40 kg (approx. weight, Class 900/1500 overall-end flange, bolted bonnet)
end to end class150 flanged NPS 1/2: 108 mm | NPS 3/4: 117 mm | NPS 1: 127 mm | NPS 1-1/4: 140 mm | NPS 1-1/2: 165 mm | NPS 2: 203 mm (end-to-end length, Class 150 overall-end flange, bolted bonnet, ASME B16.10)
end to end class300 flanged NPS 1/2: 152 mm | NPS 3/4: 178 mm | NPS 1: 203 mm | NPS 1-1/4: not offered | NPS 1-1/2: 229 mm | NPS 2: 267 mm (end-to-end length, Class 300 overall-end flange)
end to end class600 flanged NPS 1/2: 165 mm | NPS 3/4: 190 mm | NPS 1: 216 mm | NPS 1-1/4: not offered | NPS 1-1/2: 241 mm | NPS 2: 292 mm (end-to-end length, Class 600 overall-end flange)
bore diameter class150 600 flanged NPS 1/2: 9.5 mm | NPS 3/4: 13 mm | NPS 1: 18 mm | NPS 1-1/4: 23.5 mm | NPS 1-1/2: 28.5 mm | NPS 2: 36.5 mm (bore diameter, Class 150-300-600 overall-end flange)
end to end class2500 y pattern welded NPS 1/2: 110 mm | NPS 3/4: 125 mm | NPS 1: 180 mm | NPS 1-1/2: 200 mm | NPS 2: 230 mm (end-to-end length, Class 2500 Y-pattern welded bonnet, full port, ASME B16.34; NPS 3/8 not offered (printed dash))
bore diameter class2500 y pattern welded NPS 1/2: 12 mm | NPS 3/4: 15 mm | NPS 1: 21 mm | NPS 1-1/2: 28 mm | NPS 2: 35 mm (bore diameter, Class 2500 Y-pattern welded bonnet, full port; NPS 3/8 not offered (printed dash))
weight class2500 y pattern welded NPS 1/2: 5.5 kg | NPS 3/4: 7.5 kg | NPS 1: 13.5 kg | NPS 1-1/2: 18.5 kg | NPS 2: 25 kg (approx. weight, Class 2500 Y-pattern welded bonnet, full port; NPS 3/8 not offered (printed dash))
center to top open class800 bolted NPS 1/4: 161 mm | NPS 3/8: 161 mm | NPS 1/2: 167 mm | NPS 3/4: 167 mm | NPS 1: 196 mm | NPS 1-1/4: 236 mm | NPS 1-1/2: 252 mm | NPS 2: 282 mm (center-to-top (open) height, Full port sizes)
center to top open class150 600 flanged NPS 1/2: 167 mm | NPS 3/4: 167 mm | NPS 1: 196 mm | NPS 1-1/4: 236 mm | NPS 1-1/2: 252 mm | NPS 2: 282 mm (center-to-top (open) height, Class 150-300-600 overall-end flange)
center to top open class800 welded NPS 3/8: 150.8 mm | NPS 1/2: 150.8 mm | NPS 3/4: 166.8 mm | NPS 1: 206.3 mm | NPS 1-1/4: 270.3 mm | NPS 1-1/2: 281.3 mm | NPS 2: 350.3 mm (center-to-top (open) height, Regular-port columns (full port one size smaller)
center to top open class900 1500 bw bolted NPS 3/8: 165.7 mm | NPS 1/2: 165.7 mm | NPS 3/4: 191.8 mm | NPS 1: 226.8 mm | NPS 1-1/4: 278.3 mm | NPS 1-1/2: 280.3 mm | NPS 2: 312.3 mm (center-to-top (open) height, Class 900/1500 bolted or welded bonnet (shared face-to-face, bolted bonnet)
center to top open class900 1500 bw welded NPS 3/8: 179.7 mm | NPS 1/2: 179.7 mm | NPS 3/4: 207.3 mm | NPS 1: 239.7 mm | NPS 1-1/4: 281.8 mm | NPS 1-1/2: 285.8 mm | NPS 2: 316.3 mm (center-to-top (open) height, Class 900/1500 bolted or welded bonnet (shared face-to-face, welded bonnet)
center to top open class2500 welded NPS 3/8: 205 mm | NPS 1/2: 205 mm | NPS 3/4: 260 mm | NPS 1: 302 mm | NPS 1-1/4: 340 mm | NPS 1-1/2: 340 mm | NPS 2: 390 mm (center-to-top (open) height, Class 2500 welded bonnet, ASME B16.34)
center to top open class2500 pressure seal NPS 3/8: 295.3 mm | NPS 1/2: 295.3 mm | NPS 3/4: 346.3 mm | NPS 1: 389.3 mm | NPS 1-1/4: 430.4 mm | NPS 1-1/2: 430.4 mm | NPS 2: 478.8 mm (center-to-top (open) height, Class 2500 pressure seal bonnet, ASME B16.34)
center to top open class900 1500 flanged NPS 1/2: 165.7 mm | NPS 3/4: 191.8 mm | NPS 1: 226.8 mm | NPS 1-1/2: 280.3 mm | NPS 2: 312.3 mm (center-to-top (open) height, Class 900/1500 overall-end flange, bolted bonnet, ASME B16.10/B16.5)
center to top open class900 1500 y pattern NPS 3/8: 170 mm | NPS 1/2: 200 mm | NPS 3/4: 238 mm | NPS 1: 272 mm | NPS 1-1/4: 308 mm | NPS 1-1/2: 326 mm | NPS 2: 376 mm (center-to-top (open) height, Class 900-1500 Y-pattern welded bonnet, full port)
center to top open class2500 y pattern welded NPS 1/2: 239.6 mm | NPS 3/4: 274.1 mm | NPS 1: 325.5 mm | NPS 1-1/2: 372.9 mm | NPS 2: 446.2 mm (center-to-top (open) height, Class 2500 Y-pattern welded bonnet, full port, ASME B16.34; NPS 3/8 not offered (printed dash; NPS 3/8 not offered (printed dash))
center to top open class900 1500 y pressure seal NPS 1/2: 350 mm | NPS 3/4: 350 mm | NPS 1: 350 mm | NPS 1-1/2: 450 mm | NPS 2: 450 mm (center-to-top (open) height, Class 900-1500 Y-pattern pressure seal bonnet, full port)
end to end class800 y pattern welded NPS 3/8: 80 mm | NPS 1/2: 80 mm | NPS 3/4: 90 mm | NPS 1: 110 mm | NPS 1-1/4: 125 mm | NPS 1-1/2: 155 mm | NPS 2: 180 mm (end-to-end length, Class 800 Y-pattern welded bonnet, full port, API 602, threaded and socket weld ends)
bore diameter class800 y pattern welded NPS 3/8: 9.5 mm | NPS 1/2: 12 mm | NPS 3/4: 17 mm | NPS 1: 23 mm | NPS 1-1/4: 28 mm | NPS 1-1/2: 36 mm | NPS 2: 44 mm (bore diameter, Class 800 Y-pattern welded bonnet, full port, API 602, threaded and socket weld ends)
weight class800 y pattern welded NPS 3/8: 2.0 kg | NPS 1/2: 2.5 kg | NPS 3/4: 3.5 kg | NPS 1: 5.0 kg | NPS 1-1/4: 6.5 kg | NPS 1-1/2: 8.0 kg | NPS 2: 12.5 kg (approx. weight, Class 800 Y-pattern welded bonnet, full port, API 602, threaded and socket weld ends)
center to top open class800 y pattern welded NPS 3/8: 170 mm | NPS 1/2: 170 mm | NPS 3/4: 200 mm | NPS 1: 242 mm | NPS 1-1/4: 276 mm | NPS 1-1/2: 295 mm | NPS 2: 327 mm (center-to-top (open) height, Class 800 Y-pattern welded bonnet, full port, API 602, threaded and socket weld ends)
end to end class2500 y pressure seal NPS 1/2: 140 mm | NPS 3/4: 178 mm | NPS 1: 216 mm | NPS 1-1/2: 216 mm | NPS 2: 279 mm (end-to-end length, Class 2500 Y-pattern pressure seal bonnet, full port, ASME B16.34)
bore diameter class2500 y pressure seal NPS 1/2: 12 mm | NPS 3/4: 15 mm | NPS 1: 21 mm | NPS 1-1/2: 28 mm | NPS 2: 38 mm (bore diameter, Class 2500 Y-pattern pressure seal bonnet, full port, ASME B16.34)
weight class2500 y pressure seal NPS 1/2: 10 kg | NPS 3/4: 13 kg | NPS 1: 15 kg | NPS 1-1/2: 25 kg | NPS 2: 42.5 kg (approx. weight, Class 2500 Y-pattern pressure seal bonnet, full port, ASME B16.34)
center to top open class2500 y pressure seal NPS 1/2: 380 mm | NPS 3/4: 405 mm | NPS 1: 430 mm | NPS 1-1/2: 480 mm | NPS 2: 520 mm (center-to-top (open) height, Class 2500 Y-pattern pressure seal bonnet, full port, ASME B16.34)
handwheel class150 600 flanged NPS 1/2: 100 mm | NPS 3/4: 100 mm | NPS 1: 120 mm | NPS 1-1/4: 160 mm | NPS 1-1/2: 160 mm | NPS 2: 220 mm (handwheel diameter (W), Class 150-300-600 overall-end flange)
handwheel class2500 pressure seal NPS 3/8: 150 mm | NPS 1/2: 150 mm | NPS 3/4: 180 mm | NPS 1: 200 mm | NPS 1-1/4: 250 mm | NPS 1-1/2: 250 mm | NPS 2: 350 mm (handwheel diameter (W), Class 2500 pressure seal bonnet, ASME B16.34)
handwheel class2500 welded NPS 3/8: 150 mm | NPS 1/2: 150 mm | NPS 3/4: 180 mm | NPS 1: 200 mm | NPS 1-1/4: 250 mm | NPS 1-1/2: 250 mm | NPS 2: 350 mm (handwheel diameter (W), Class 2500 welded bonnet, ASME B16.34)
handwheel class2500 y pattern welded NPS 1/2: 150 mm | NPS 3/4: 150 mm | NPS 1: 180 mm | NPS 1-1/2: 200 mm | NPS 2: 300 mm (handwheel diameter (W), Class 2500 Y-pattern welded bonnet, full port, ASME B16.34; NPS 3/8 not offered (printed dash; NPS 3/8 not offered (printed dash); NPS 3/8 not offered (printed dash))
handwheel class2500 y pressure seal NPS 1/2: 180 mm | NPS 3/4: 200 mm | NPS 1: 250 mm | NPS 1-1/2: 350 mm | NPS 2: 350 mm (handwheel diameter (W), Class 2500 Y-pattern pressure seal bonnet, full port, ASME B16.34)
handwheel class800 bolted NPS 1/4: 100 mm | NPS 3/8: 100 mm | NPS 1/2: 100 mm | NPS 3/4: 100 mm | NPS 1: 120 mm | NPS 1-1/4: 160 mm | NPS 1-1/2: 160 mm | NPS 2: 220 mm (handwheel diameter (W), Full port sizes)
handwheel class800 welded NPS 3/8: 90 mm | NPS 1/2: 90 mm | NPS 3/4: 90 mm | NPS 1: 110 mm | NPS 1-1/4: 150 mm | NPS 1-1/2: 150 mm | NPS 2: 150 mm (handwheel diameter (W), Regular-port columns (full port one size smaller)
handwheel class800 y pattern welded NPS 3/8: 90 mm | NPS 1/2: 90 mm | NPS 3/4: 110 mm | NPS 1: 150 mm | NPS 1-1/4: 150 mm | NPS 1-1/2: 150 mm | NPS 2: 180 mm (handwheel diameter (W), Class 800 Y-pattern welded bonnet, full port, API 602, threaded and socket weld ends)
handwheel class900 1500 bw NPS 3/8: 90 mm | NPS 1/2: 90 mm | NPS 3/4: 110 mm | NPS 1: 150 mm | NPS 1-1/4: 150 mm | NPS 1-1/2: 180 mm | NPS 2: 180 mm (handwheel diameter (W), Class 900/1500 bolted or welded bonnet (shared face-to-face, bolted bonnet)
handwheel class900 1500 flanged NPS 1/2: 90 mm | NPS 3/4: 110 mm | NPS 1: 150 mm | NPS 1-1/2: 180 mm | NPS 2: 180 mm (handwheel diameter (W), Class 900/1500 overall-end flange, bolted bonnet, ASME B16.10/B16.5)
handwheel class900 1500 y pattern NPS 3/8: 90 mm | NPS 1/2: 110 mm | NPS 3/4: 150 mm | NPS 1: 150 mm | NPS 1-1/4: 180 mm | NPS 1-1/2: 180 mm | NPS 2: 200 mm (handwheel diameter (W), Class 900-1500 Y-pattern welded bonnet, full port)
handwheel class900 1500 y pressure seal NPS 1/2: 200 mm | NPS 3/4: 200 mm | NPS 1: 200 mm | NPS 1-1/2: 250 mm | NPS 2: 300 mm (handwheel diameter (W), Class 900-1500 Y-pattern pressure seal bonnet, full port)

應用與選型指引

Select this execution where small-bore isolation or throttling needs the seating discipline of a globe pattern at forged-body class ratings: match the pattern to piping geometry (T for standard installations, Y for lower pressure drop, angle where the line turns 90 degrees anyway), the forging to temperature and medium, and the end connection to the plant piping standard — socket-weld and threaded ends for compact instrument-grade pipework, RF/RTJ flanges or butt-weld ends for permanent installation.

常見問題

What standard governs compact forged globe valves?

The execution is built to API 602, the compact forged-body valve standard, covering the small-bore globe envelope from NPS 1/2 to 2 across ASME Class 150 to 4500, in T, Y and angle patterns.

Which sizes and pressure classes does this execution cover?

NPS 1/2 to 2 (DN15 to DN50) at ASME Class 150 through 4500 (PN16 to PN760) — the full compact forged envelope, where the forged body carries class ratings a cast small-bore body cannot.

How do I choose body material and end connection?

Body forgings span carbon steel for general service, stainless and duplex stainless for corrosion, and alloy, nickel-base or titanium-alloy steel for severe service. End connections — RF flange, butt-weld, RTJ, socket-weld or NPT thread — follow the plant piping standard and the maintenance philosophy: welded ends for integrity, threaded or socket-weld ends for compact replacement.

訂購與文件

文件

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報價

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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。

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