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ベローズシール制御弁
ベローズシール制御弁はパッキンボックスの代わりに溶接金属ベローズでステムを密封し、動的な漏れ経路を完全に排除します。危険・有毒流体やフュージティブエミッション管理用途で、ゼロリークパッキンでも許されない場面の選択です。範囲は1/4インチ～4インチNPS、ASME Class 2500までの圧力定格、鍛造材はSA 105 / SA 182-F22 / F91 / F92 / F316、ベローズ長寿命のためMSS SP-117準拠、ステムシールは6プライNi-Cr合金溶接ベローズ、ボディパターンはY形・アングル形・T形、シートとディスクはコバルトクロム一体品、操作は電動・空圧・油圧、アクセサリにロック装置、単/複リミットスイッチ、ステムシラウド、位置表示器、リークオフポートがあります。全ベローズ組立品は、シェル・シート試験に先立ちヘリウム質量分析でゼロリーク試験を実施し、Method 21フュージティブエミッション試験を超える管理です。選定は排出管理要求、鍛造ボディ定格に対するサイズ/圧力点、ボディパターンです。
次のファミリーに属する： 制御弁（コントロールバルブ） ファミリー
最終更新： 2026-11
ファミリー仕様
| Nominal valve connection size | 1/4 inch through 4 inch NPS |
|---|---|
| Valve body material | SA 105, SA 182-F22, SA 182-F91, SA 182-F92, SA 182-F316 |
| Design standards | MSS SP-117 |
| Pressure Rating | Through ASME Class 2500 |
| bellows seal | 6-ply nickel-chromium alloy welded bellows stem seal |
| body styles | Y-pattern, Angle-pattern, T-pattern |
| seat disc materials | Solid cobalt-chrome seats and discs |
| accessories | Actuators – Electric, Pneumatic or Hydraulic, Locking Devices – Open, Closed or Both, Limit Switches – Single or Dual, Stem Shroud, Position Indicator, Leak-Off Port |
| Leakage test method / procedure | Helium gas mass spectrometer zero-leakage test on every bellows assembly, beyond Method 21 protocol |
| seal mechanism | metallic bellows welded to the stem and bonnet forms a hermetic primary seal; the bellows flexes with stem movement instead of sliding through packing |
| secondary sealing | backup gland packing (graphite or PTFE) provided in addition to the welded bellows |
| bellows material options | stainless steel, nickel-chromium alloy, special alloys |
| bellows cycle life | on the order of 10,000+ operating cycles before bellows replacement |
| emission compliance | EPA Method 21, TA-Luft, ISO 15848 |
| emission certification | TA-Luft (VDI 2440) and ISO 15848-1 Class AH low fugitive emission compliance |
| control trim options | heavy guided plug, bellows sealed zero-leakage trim, and Y-pattern low pressure-drop bodies |
| typical services | toxic and hazardous chemical media, steam systems and feedwater circuits, thermal oil, vacuum service, cryogenic fluids with suitable bellows material |
| maintenance profile | no regular packing adjustment required; the metal bellows maintains sealing integrity without adjustment |
| bellows life cycle control duty | under standard control valve conditions the metal bellows life can commonly exceed 5,000,000 cycles (stroke motion between defined travel positions) |
| iso15848 cycle test record | bellows design successfully tested over 100,000 cycles according to ISO 15848 with leakage rate tightness class AH per ISO 15848 (helium test) |
| bellows base material 316ti | standard bellows material 316Ti stainless steel, with various special alloys available for corrosive applications |
| bellows cavity test port | threaded test connection between the bellows and the packing allows cavity pressure monitoring before external leakage is visible |
| bellows retrofit and jacket option | modular bellows design retrofits easily into existing valves when new stricter emissions requirements apply; optional full body heating jacket prevents crystalline deposits in the folds of the metal bellows |
| bellows zero hysteresis | metal bellows stem sealing introduces no hysteresis: no deviations from the valve characteristic |
| emission standard coverage | bellows emission limits specified per TA Luft, ISO 15848 and ANSI/FCI 91-1-2010 |
| hazardous duty size class envelope | hazardous-chemical bellows seal globe control valves in sizes 1 to 12 inch (DN 25 to DN 300); end connections CL150, CL300, CL600, PN16, PN25, PN40; cast body materials A352 LCC carbon steel, A351 CF8M stainless steel, A494 M35-1 nickel-copper, CW12MW nickel-chrome-moly-tungsten and CY40 nickel-chrome-iron |
| bellows ply construction | two or three ply UNS N10276 bellows with UNS N10276 end rings; open bellows design allows examination and prevents bellows damage from trapped corrosion products |
| open bellows maintenance design | open bellows design gives ease of examination and maintenance with no bellows damage due to trapped corrosion products |
| control trim stage options | contoured, single-stage and multi-stage cage trim options covering noisy gas and flashing/cavitating liquid duties |
| bellows cycle guarantee gest | bellows guaranteed for at least 100,000 open/close/open cycles per the Euro Chlor GEST 17/492 requirement |
| hazardous duty flow characteristics | flow characteristics linear, equal percentage and specials |
| isa face to face series | face-to-face dimensions per ISA-75.08.01-2002: Class 150 series 37, Class 300 series 38, Class 600 series 39 |
| auxiliary packing design | spring-loaded five-ring PTFE chevron auxiliary stuffing box packing set requiring no routine maintenance; leak detection tapping to the inter space between bellows seal and auxiliary gland available as an option |
| trim seat hardfacing | replaceable trim with hard-faced (stellited) sealing surface as standard, soft seal seat available as option; plug pinned to stem to ensure repeatable flow control |
| testing requirements hazardous duty | all testing performed to the requirements of the latest Euro Chlor GEST 17/492, ASME B16.34 and ANSI/FCI 70.2 |
| bellows welding process | metallic bellows welded between bonnet and stem by automatic roll welding technology, giving zero leakage at the stem sealing area during operation |
| large size stabilizer device | triangular stabilizing (anti-vibration) device installed for sizes DN150 and above to protect internal components from vibration, reduce noise and improve structural strength |
| disc configuration options bs | disc configurations selected per operating condition, including regulating disc, globe-check disc and soft-seal disc options |
| mark74 lab cycle life | in lab tests, the Mark 74 exceeded 2 million cycles with no bellows failure |
| mark74 short stroke bellows | a valve stroke that is just a fraction of that of other rising stem valves |
| mark74 backup packing chamber | A secondary chamber of multiple packing rings provides extra leakage protection |
| mark74 bellows monitoring port | a gauge can be mounted to verify bellows performance |
| mark74 approvals envelope | 1/2′′ – 2′′, ATEX Certified |
| mark74 hazardous media scope | reducing the risks associated with toxic, corrosive, explosive and high temperature fluids |
| bellows double seal design | DIN/EN bellows executions use a double seal design: the welded bellows is the primary stem seal and backup stem packing contains the leak if the bellows fails |
| din bellows multiply welded | DIN/EN bellows executions feature a formed multi-ply bellows welded to the stem and to the bottom of the bonnet, creating a hermetic seal or impermeable barrier |
| gas service ptfe soft seat option | a PTFE soft-seat option is offered for gas media to improve tightness |
| cone seal up to 400c | a cone seal seat is used at temperatures up to 400°C to achieve zero leakage sealing performance |
| din execution design standard | DIN bellows globe executions are designed to EN 13709 |
| din execution face to face series | face-to-face dimensions per EN 558-1 |
| din execution flange standards | end flanges per EN 1092-1; butt-welding ends per EN 12627 |
| din execution testing standard | inspection and test per EN 12266-1 |
| din execution size range | size range DN15-DN400 for the DIN bellows globe execution |
| din execution pressure rating | pressure ratings PN16, PN25 and PN40 |
| din execution temperature range | temperature range -10°C to 400°C |
| din execution body materials | GS-C25 cast carbon steel body execution |
| din execution body material options | cast steel, stainless steel, special alloy, cast iron and ductile iron body options available for the DIN bellows globe line |
| din3356 design execution | a cast iron bellows-seal globe execution is built to DIN 3356 |
| din3202 f1 face to face | the DIN 3356 cast iron execution uses face-to-face dimensions per DIN 3202-F1 |
| din2532 2533 flange standard | the DIN 3356 cast iron execution uses flange ends per DIN 2532/DIN 2533 |
| din execution cast iron envelope | cast iron GG25 DIN 3356 execution envelope: DN15-DN250, PN16, handwheel operated |
| din execution bellows material options | 316Ti / 321 stainless steel bellows material options in the DIN 3356 GS-C25 execution |
| din execution stem materials | stem material options SS420 / SS431 |
| din execution seat materials | seat with stainless steel overlay |
| din execution wide temperature range | operating temperature -29°C to 400°C for the DIN 3356 GS-C25 PN16 execution |
| din execution zero visible leakage | leakage class: zero visible leakage at the stem seal |
| din execution actuation | handwheel operation standard; electric and pneumatic actuation optional |
| din en leakage rate class a | EN bellows executions are tested to leakage rate A per EN 12266-1 with face-to-face per EN 558-1 series 1 (F1) and EN 1092-1 flanges |
| din execution bellows material tistabilized | Ti-stabilized 316 grade X6CrNiMoTi17-12-2 bellows with 1.4021 (X20Cr13) stem and graphite packing rings in the EN 558-1 series 1 (F1) steel execution |
| din execution steel body trim materials | steel execution: body in 1.0619 (GP240GH), disc/cone in 1.4021 (X20Cr13 + QT), stem 1.4021 (X20Cr13), stainless steel seat, graphite packing rings |
| din execution cast iron variant | PN16 cast iron variant of the same bellows globe line: body EN-GJL-250 grey cast iron with EN 1092-2 flanges, same 1.4021 trim and X6CrNiMoTi17-12-2 bellows, graphite packing |
| moq | 1 set |
| lead time | 15 to 30 days |
| warranty | 18 months |
注文と書類
書類
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お見積り
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保管と輸送
バルブはシート・シールを紫外線、オゾン、変形から保護して保管し、据付まで端面保護カバーを取り付けたままにしてください。エラストマーまたは PTFE シートの仕様では、屋外での長期保管を避けてください——シート材料は直射日光と凍結条件で最も劣化が早くなります。
よくある質問
ベローズシール制御弁の見積依頼には何を含めるべきですか？
適用規格とクラス、呼びサイズ、ボディおよびシート材、使用媒体と温度、納入先——欠落している項目は見積の過程で確認します。
ベローズシール制御弁にはどのサイズと圧力等級がありますか？
このバルブの検証済みサイズと圧力等級範囲はまだ本ページに掲載されていません——お客様の使用条件に適したサイズと圧力等級は見積の過程でご提案し、確認します。使用条件を問い合わせに添えていただければ、選定結果を見積書に記載します。
ベローズシール制御弁にはどのボディ材質がありますか？
このバルブの検証済みボディ材質範囲はまだ本ページに掲載されていません——お客様の使用条件に適したボディ材質は見積の過程でご提案し、確認します。使用条件を問い合わせに添えていただければ、選定結果を見積書に記載します。
このサブタイプの型番と仕様
型番
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仕様を見る →型番
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仕様を見る →ベローズシール制御弁 の見積依頼
こちらからご要望をご提出ください——見積に直結するお問い合わせには、適用規格とクラス、口径、材質、流体、温度、納入先をご記入ください.
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