حاجز غشائي (Diaphragm seal) مع وصلة ملولبة
الوصف
تُستخدم أغطية/حواجز الغشاء (diaphragm seals) لحماية أجهزة قياس الضغط في التطبيقات التي تتعامل مع وسائط صعبة. في أنظمة أغطية الغشاء، يقوم غشاء غطاء الغشاء بإحداث الفصل بين الجهاز والوسط. يتم نقل الضغط إلى جهاز القياس عبر وسيط نقل الضغط الموجود داخل نظام غطاء الغشاء.
لتنفيذ تطبيقات العملاء المتطلبة، تتوفر مجموعة واسعة من التصاميم والمواد ووسائط نقل الضغط.
للحصول على معلومات تقنية إضافية حول أغطية الغشاء وأنظمة أغطية الغشاء، يُرجى الرجوع إلى IN 00.06 "Application, operating principle, designs".
المزايا
- وصلة عملية بخيط لولبي
- إصدار بحاجز داخلي، أجزاء الحاجز الفاصل ملحومة بالكامل
- تشكيلة واسعة من وصلات العمليات والمواد
- وصلات غسيل متوفرة كخيار
- يمكن تحقيق ضغوط عالية تصل إلى 1,000 bar [14,500 psi]
الأسئلة والأجوبة
ما هو نطاق ضغط التشغيل لهذا الحاجز الغشائي؟
يتوفر الطراز 990.34 بنطاقات ضغط من 0 … 0.6 bar وحتى 0 … 1,000 bar [14,500 psi]، ما يسمح بتغطية التطبيقات من الضغط المنخفض إلى الضغوط العالية جدًا.
ما نوع الوصلة العملية المتوفرة؟
الوصلة ملولبة، مع تشكيلة واسعة تشمل مقاسات G (مثل G ¼ A حتى G 1 ½ A)، وNPT (من ¼ NPT حتى 1 ½ NPT)، وR (من R ¼ حتى R1)، إضافة إلى M20 x 1.5 وM16x1.5 ومقاسات UNF مثل 9/16-18 UNF.
لأي وسائط يُستخدم هذا الطراز؟
صُمم للوسائط العدوانية والساخنة والمالّة للتآكل والخطرة بيئيًا أو السامة، بفضل التصميم الملحوم بالكامل والتشكيلة الواسعة من المواد المقاومة للتآكل.
ما المواد المتاحة للأجزاء الملامسة للوسط؟
تشمل الخيارات Stainless steel 316L و316Ti و904L و321، وDuplex 2205 وSuperduplex 2507، وHastelloy C22/C276، وInconel 625، وIncoloy 825، وTitanium grade 2، وMonel 400.
هل يحمل هذا المنتج شهادات اعتماد؟
نعم، يتوفر بشهادات EAC وCRN. لا تتضمن البيانات المتاحة أي اعتمادات لمناطق خطرة (Ex).
كيف يعمل نظام الحاجز الغشائي؟
يقوم غشاء الحاجز بفصل جهاز قياس الضغط عن الوسط، ويُنقل الضغط إلى الجهاز عبر وسيط نقل الضغط الموجود داخل نظام الحاجز الغشائي.
هل يمكن تنظيف وصلة العملية؟
نعم، تتوفر وصلات تنظيف (flushing connections) كخيار اختياري.
ما الذي يميز الطراز 990.34؟
يجمع بين وصلة عملية ملولبة وتصميم ملحوم بالكامل مع غشاء داخلي، ويحقق ضغوطًا تصل إلى 1,000 bar، مع تشكيلة واسعة من المواد — وهو مناسب بشكل خاص للوسائط الملوثة أو الساخنة في الصناعات الكيميائية والنفطية ومعالجة المياه.
| الطراز | 990.34 |
| السلسلة | 990 |
| النوع الفرعي | Diaphragm seal |
| نطاق الضغط | 0…0.6 bar · 0…1000 bar · 0…8.7 psi · 0…14500 psi |
| وصلة العملية | 1 NPT9/16-18 UNF3/4-16 UNFM20 x 1.5G1AG ½ AG ¼ AG ⅜ AG ¾ AG 1 ½ A½ NPT¼ NPT⅜ NPT¾ NPT1 ½ NPTR ½R ¼R ⅜R ¾G1/2AG1/4AG3/8AG3/4AG11/2AG1/4G3/8G3/4G11/2NPT1/4NPT3/8NPT3/4NPT11/2NPTR1/2R1/4R3/8R3/4R11 1/8-12UNFM16x1.5 |
| مادة العلبة | Stainless steel 1.4404 (316L), Stainless steel 1.4571 (316Ti), Stainless steel 1.4539 (904L), Stainless steel 1.4541 (321), Duplex 2205 (1.4462), Superduplex 2507 (1.4410), Hastelloy C22 (2.4602), Hastelloy C276 (2.4819), Inconel 625 (2.4856), Incoloy 825 (2.4558), Titanium grade 2 (3.7035), Monel 400 (2.4360) |
| مادة الأجزاء الملامسة | Stainless steel 1.4404 (316L), Stainless steel 1.4571 (316Ti), Stainless steel 1.4539 (904L), Stainless steel 1.4541 (321), Duplex 2205 (1.4462), Superduplex 2507 (1.4410), Hastelloy C22 (2.4602), Hastelloy C276 (2.4819), Inconel 625 (2.4856), Incoloy 825 (2.4558), Titanium grade 2 (3.7035), Monel 400 (2.4360) |
| الشهادات | EACCRN |
| لغات ورقة البيانات | EN, DE |
| Model 990.34 | |
|---|---|
| Pressure range (see pressure-temperature diagrams from page 4) | 0 ... 0.6 bar [0 ... 8.7 psi] to 0 ... 1,000 bar [0 ... 14,500 psi] other units (e.g. psi, kPa) as well as all equivalent vacuum or combined pressure and vacuum ranges are available. |
| Level of cleanliness of wetted parts | ■ Oil and grease free per ASTM G93-03 level FWIKA standard (< 1,000 mg/m 2 ) ■ Oil and grease free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m 2 ) |
| Origin of wetted parts | ■ International ■ EU, CH, USA |
| Connection to the measuring instrument | ■ Axial gauge adapter ■ Axial gauge adapter with female threadG½,G¼,½NPTor¼NPT ■ Male thread 9/16-18 UNF |
| Type of mounting | ■ Direct mounting ■ Capillary ■ Cooling element |
| Flushing connection | ■ Without ■ Single flushing connection (G ¼, G⅛, ¼NPT, ⅛NPT) ■ Dual flushing connection (G ¼, G⅛, ¼NPT, ⅛NPT) ■ Plug screws |
| Design per NACE | ■ Without ■ MR0175 ■ MR0103 |
| Vacuum service (see IN 00.25) | ■ Basic service ■ Premium service ■ Advanced service |
| Instrument mounting bracket (only for versions with capillary) | ■ Without ■ Form H per DIN 16281, 100 mm, aluminium, black ■ Form H per DIN 16281, 100 mm, stainless steel ■ Bracket for pipe mounting, for pipe outer Ø20 ... 80 mm, steel (see data sheet AC 09.07) |
| Standard | Male thread | Female thread |
|---|---|---|
| Following DIN ISO 228-1 | ■ G½A ■ G¼A ■ G⅜A ■ G¾A ■ G1A | ■ G½ ■ G¼ ■ G⅜ ■ G¾ ■ G1 |
| Following ANSI B 1.20.1 | ■ ½NPT ■ ¼NPT ■ ⅜NPT ■ ¾NPT ■ 1 NPT ■ 1½NPT | ■ ½NPT ■ ¼NPT ■ ⅜NPT ■ ¾NPT ■ 1 NPT |
| Following ANSI B 1.1 | ■ 9/16-18 UNF ■ 3/4-16 UNF | ■ 9/16-18 UNF ■ 3/4-16 UNF |
| Following DIN 13-1 | ■ M20 x 1.5 | ■ M20 x 1.5 |
| Following ISO 7-1 | ■ R½ ■ R¼ ■ R⅜ ■ R¾ |
| Material of upper body of diaphragm seal and wetted parts 1) | Nominal pressure (PN) in bar for effective diameter of diaphragm Mb inmm | |||
|---|---|---|---|---|
| PN 160 | PN 400 | PN 600 | PN 1000 | |
| Stainless steel 1.4404 (316L) | Mb 52 | Mb 40, Mb 29 | Mb 22 | |
| Stainless steel 1.4571 (316Ti) | Mb 52 | Mb 40, Mb 29 | ||
| Stainless steel 1.4539 (904L) | Mb 52 | |||
| Stainless steel 1.4541 (321) | Mb 52 | |||
| Duplex 2205 (1.4462) | Mb 52 | Mb 40 | Mb 29 | |
| Superduplex 2507 (1.4410) | Mb 52 | |||
| Hastelloy C22 (2.4602) | Mb 52 | Mb 29 | ||
| Hastelloy C276 (2.4819) | Mb 52 | Mb 40, Mb 29 | Mb 22 | |
| Inconel 625 (2.4856) | Mb 52 | Mb 40 | Mb 29 | Mb 22 |
| Incoloy 825 (2.4558) | Mb 52 | Mb 40, Mb 29 | Mb 22 | |
| Monel 400 (2.4360) 2) | Mb 40, Mb 29 | |||
| Titanium grade 2 (3.7035) | Mb 52 | Mb 29 |
| Logo | Description | Country |
|---|---|---|
| EAC (option) Pressure equipment directive | Eurasian Economic Community | |
| - | MTSCHS (option) Permission for commissioning | Kazakhstan |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |
عرض الكل (15)
| G | Dimensions in mm[in] | |||
|---|---|---|---|---|
| D | H 1) | h M | SW | |
| G ¼ A | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 13 [0.51] | 27 [1.06] |
| G 3/8 A | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 16 [0.63] | 27 [1.06] |
| G½A | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 20 [0.79] | 27 [1.06] |
| G¾A | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 20 [0.79] | 41 [1.61] |
| G 1 A | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 28 [1.10] | 41 [1.61] |
| ¼ NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 13 [0.51] | 27 [1.06] |
| ½NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 27 [1.06] |
| ¾NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 20 [0.79] | 32 [1.26] |
| 1 NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 25 [0.98] | 41 [1.61] |
| M20 x 1.5 | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 20 [0.79] | 27 [1.06] |
| R ¼ | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 15 [0.59] | 27 [1.06] |
| R½ | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 27 [1.06] |
| R 1 | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 41 [1.61] |
| 1 ⅛ -12 UNF | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 41 [1.61] |
| G | Dimensions in mm[in] | |||
|---|---|---|---|---|
| D | H 1) | h F | SW | |
| G ¼ | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 13 [0.51] | 27 [1.06] |
| G 3/8 | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 16 [0.63] | 27 [1.06] |
| G½ | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 27 [1.06] |
| G¾ | 64 [2.52] | 62.5 ... 83.5 [2.46 ... 3.29] | 24 [0.94] | 32 [1.26] |
| ¼ NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 13 [0.51] | 27 [1.06] |
| ½NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 19 [0.75] | 27 [1.06] |
| ¾NPT | 64 [2.52] | 54.5 ... 75.5 [2.15 ... 2.93] | 22 [0.87] | 32 [1.26] |
| 1 NPT | 64 [2.52] | 68.5 ... 89.5 [2.70 ... 3.52] | 26 [1.02] | 46 [1.81] |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h M | |
| G ¼ A | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 13 [0.51] |
| G 3/8 A | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 16 [0.63] |
| G½A | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 20 [0.79] |
| G¾A | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 20 [0.79] |
| G 1 A | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 28 [1.10] |
| ¼ NPT | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 13 [0.51] |
| ½NPT | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 19 [0.75] |
| ¾NPT | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 20 [0.79] |
| 1 NPT | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 25 [0.98] |
| M20 x 1.5 | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 20 [0.79] |
| R ¼ | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 15 [0.59] |
| R½ | 54 [2.13] | 48 ... 66 [1.89 ... 2.60] | 19 [0.75] |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h F | |
| G ¼ | 54 [2.13] | 51 ... 69 [2.01 ... 2.72] | 13 [0.51] |
| G½ | 54 [2.13] | 51 ... 69 [2.01 ... 2.72] | 19 [0.75] |
| ¼ NPT | 54 [2.13] | 51 ... 69 [2.01 ... 2.72] | 13 [0.51] |
| ½NPT | 54 [2.13] | 51 ... 69 [2.01 ... 2.72] | 19 [0.75] |
| 9/16-18 UNF | 54 [2.13] | 53 ... 71 [2.09 ... 2.76] | 11.2 [0.44] |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h M | |
| G ¼ A | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 13 [0.51] |
| G½A | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 20 [0.79] |
| G 1 A | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 28 [1.10] |
| ¼ NPT | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 13 [0.51] |
| ½NPT | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 19 [0.75] |
| 1 NPT | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 25 [0.98] |
| M20 x 1.5 | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 20 [0.79] |
| R ¼ | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 15 [0.59] |
| R½ | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 19 [0.75] |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h F | |
| G ¼ | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 13 [0.51] |
| G½ | 40 [1.57] | 51 ... 70 [2.01 ... 2.76] | 19 [0.75] |
| ¼ NPT | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 13 [0.51] |
| ½NPT | 40 [1.57] | 46 ... 65 [1.81 ... 2.56] | 19 [0.75] |
| M16 x 1.5 | 40 [1.57] | 51 ... 70 [2.01 ... 2.76] | 12 [0.47] |
| 3/4-16 UNF | 40 [1.57] | 51 ... 70 [2.01 ... 2.76] | 15.7 [0.62] |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h M | |
| G ¼ A | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 13 [0.51] |
| G½A | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 20 [0.79] |
| G¾A | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 20 [0.79] |
| ¼ NPT | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 13 [0.51] |
| ½NPT | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 19 [0.75] |
| M20 x 1.5 | 34 [1.34] | 36 ... 64 [1.42 ... 2.52] | 20 [0.79] |
| 9/16-18 UNF | 34 [1.34] | 2) | 2) |
| 3/4-16 UNF | 34 [1.34] | 2) | 2) |
| G | Dimensions in mm[in] | ||
|---|---|---|---|
| D | H 1) | h F | |
| G ¼ | 34 [1.34] | 2) | 13 [0.51] |
| G½ | 34 [1.34] | 2) | 19 [0.75] |
| ¼ NPT | 34 [1.34] | 2) | 13 [0.51] |
| ½NPT | 34 [1.34] | 41 ... 69 [1.61 ... 2.72] | 19 [0.75] |
| M16 x 1.5 | 34 [1.34] | 41 ... 69 [1.61 ... 2.72] | 12 [0.47] |
| 9/16-18 UNF | 34 [1.34] | 41 ... 69 [1.61 ... 2.72] | 11.2 [0.44] |
| 3/4-16 UNF | 34 [1.34] | 41 ... 69 [1.61 ... 2.72] | 15.7 [0.62] |
| Material | Unified numbering system (UNS) |
|---|---|
| Stainless steel 316L (1.4404 or 1.4435) | S31603 |
| Stainless steel 904L (1.4539) | N08904 |
| Stainless steel 321 (1.4541) | S32100 |
| Stainless steel 316Ti (1.4571) | S31635 |
| Stainless steel 1.4466 (urea grade) | S31050 |
| Duplex 2205 (1.4462) | S31803 |
| Superduplex 1.4410 | S32750 |
| Tantalum (also lining) | R05200 |
| Hastelloy C276 (2.4819) | N01276 |
| Hastelloy C22 (2.4602) | N06022 |
| Inconel 600 (2.4816) | N06600 |
| Incoloy 825 (2.4858) | N08825 |
| Inconel 625 (2.485) | N06625 |
| Monel 400 (2.4360) | N04400 |
| Nickel 200 (2.4066) | N02200 |
| Nickel 201 (2.4068) | N02201 |
| Titanium 3.7035 (class 2) | R50400 |
| Titanium 3.7235 (class 7) | R52400 |
| Zirconium GR702 | R60702 |
| Designation | Identi- fication number | Solidi- fication point | Boiling/ degradation point | Density at 25 °C | Kin.Viscosity at 25 °C | Remark |
|---|---|---|---|---|---|---|
| KN | °C | °C | g/cm³ | cSt | ||
| Silicone oil | 2 | -45 | +300 | 0.96 | 54.5 | Universal application |
| Glycerine | 7 | -35 | +240 | 1.26 | 759.6 | FDA 21 CFR 182.1320 |
| Silicone oil | 17 | -90 | +200 | 0.92 | 4.4 | Low temperatures |
| Halocarbon | 21 | -60 | +175 | 1.89 | 10.6 | Oxygen 1) and chlorine |
| Methylcyclopentane | 30 | -130 | +60 | 0.74 | 0.7 | For very low temperatures |
| High-temperature silicone oil | 32 | -25 | +400 | 1.06 | 47.1 | For high temperatures |
| Neobee® M-20 | 59 | -35 | +260 | 0.92 | 10.0 | FDA 21 CFR 172.856, 21 CFR 174.5 |
| DI water | 64 | +4 | +85 | 1.00 | 0.9 | For ultrapure media |
| Silicone oil | 68 | -75 | +250 | 0.93 | 10.3 | |
| DI water/propanol mixture | 75 | -30 | +60 | 0.92 | 3.6 | For ultrapure media |
| Medicinal white mineral oil | 92 | -15 | +260 | 0.85 | 45.3 | FDA 21 CFR 172.878, 21 CFR 178.3620(a); USP, EP, SP |
| Maximum temperature | Maximum oxygen pressure |
|---|---|
| to 60 °C | 50 bar |
| > 60 °C to 100 °C | 30 bar |
| > 100 °C to 175 °C | 25 bar |
لم تجد الإجابة في الوثائق؟ سيرد المهندس خلال يوم عمل.
اسأل المهندس →1 مادة قياسية من عائلة 990
إذا كنت تعرف الرمز — اختر مباشرة. إذا لا — استخدم المُهيِّئ في الوضع «01».
