حاجز غشائي مع وصلة توصيل بالفلنجة
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 بفصل الجهاز عن الوسط. يتم نقل الضغط إلى جهاز القياس عبر سائل التعبئة (system fill fluid) الموجود داخل نظام غطاء الغشاء.
لتنفيذ تطبيقات العملاء المتطلبة، تتوفر مجموعة واسعة من التصاميم والمواد وسوائل التعبئة الخاصة بالنظام.
لمزيد من المعلومات التقنية حول أغطية الغشاء وأنظمة أغطية الغشاء، راجع IN 00.06 "Application, operating principle, designs".
غطاء غشاء (Diaphragm seal) مع وصلة فلنجة، الطراز 990.29
يتوفر غطاء الغشاء طراز 990.29 بأبعاد متنوعة على نطاق واسع وفقًا للمعايير المعتادة في هذا السوق. وبفضل الغشاء الممتد، يمكن استخدام غطاء الغشاء في المواقع ذات الجدران السميكة أو في المواقع المعزولة ضمن إنشاءات خطوط الأنابيب والخزانات.
يمكن تركيب غطاء الغشاء على جهاز القياس عبر توصيل مباشر، أو لدرجات الحرارة المرتفعة عبر عنصر تبريد، أو عبر شعيرة/أنبوب شعري مرن (flexible capillary).
بالنسبة لاختيار المواد، تقدم WIKA مجموعة متنوعة من الحلول، بحيث يمكن تصنيع الجزء العلوي من غطاء الغشاء، والوصلة/الامتداد (extension)، والأجزاء الملامسة للوسط (wetted parts) من مواد متطابقة أو مختلفة. ويمكن، كبديل، طلاء الغشاء والوصلة/الامتداد.
المزايا
- شفة مع غشاء ملحوم ممتد
- المقاسات المعيارية والأقطار الاسمية الشائعة متوفرة
- عند اختيار مواد خاصة، تُصنع جميع الأجزاء الملامسة للوسط من المادة المختارة
- تصميم متين ملحوم بالكامل
الأسئلة والأجوبة
ما نطاق درجة حرارة الوسط الذي يتحمله الطراز 990.29؟
يتحمل درجات حرارة وسط من +150 إلى +400 °C.
ما هي وصلات الفلنجة المتوفرة لهذا الحاجز الغشائي؟
تتوفر فلنجات وفق المعايير DIN EN 1092-1 وASME B16.5 وGOST 33259 بمقاسات اسمية تشمل DN 50 … DN 125 و2" … 5".
ما هي مواد الأجزاء الملامسة للوسط؟
تشمل الخيارات الفولاذ المقاوم للصدأ 316L و316Ti و321 و904L، وDuplex 2205 وSuperduplex، وسبائك Hastelloy C22/C276 وInconel 600/625 وIncoloy 825 وMonel 400 وNickel 200، والتيتانيوم grade 2/7/11 والتنتالوم، إضافة إلى طلاءات ECTFE وPFA والذهب وWikaramic®.
ما الشهادات التي يحملها هذا الطراز؟
الطراز 990.29 معتمد وفق EAC وCRN وMTSCHS.
كيف يُركّب الحاجز على جهاز القياس؟
يمكن التوصيل مباشرة، أو عبر عنصر تبريد لدرجات الحرارة المرتفعة، أو عبر أنبوب شعيري مرن.
ما الذي يميز الطراز 990.29 عن غيره في عائلة 990؟
يتميز بغشاء ممتد ملحوم بالفلنجة، ما يجعله مناسبًا للجدران السميكة أو المعزولة في خطوط الأنابيب والخزانات، حيث لا تكفي الفلنجة القياسية ذات الغشاء المسطح.
هل يمكن تصنيع كامل الجزء الملامس للوسط من مادة واحدة؟
نعم؛ عند اختيار مادة خاصة تُصنع جميع الأجزاء الملامسة للوسط منها، ويمكن بدلًا من ذلك طلاء الغشاء والامتداد. ---
| الطراز | 990.29 |
| السلسلة | 990 |
| النوع الفرعي | Flange-type with extended diaphragm |
| وصلة العملية | DIN EN 1092-1ASME B16.5GOST 33259DIN EN 1092-1 DN 50, DN 80, DN 100, DN 125ASME B16.5 2", 3", 4", 5"GOST 33259 DN 25, DN 40, DN 50, DN 65DIN EN 1092-1 DN 50DIN EN 1092-1 DN 80DIN EN 1092-1 DN 100DIN EN 1092-1 DN 125ASME B16.5 2"ASME B16.5 3"ASME B16.5 4"ASME B16.5 5"GOST 33259 DN 25GOST 33259 DN 40GOST 33259 DN 50GOST 33259 DN 65GOST 33259 DN 80GOST 33259 DN 100GOST 33259 DN 125 |
| درجة حرارة العملية | +150…+400 °C |
| مادة العلبة | Stainless steel 1.4404 (316L), Stainless steel 1.4539 (904L), Stainless steel 1.4541 (321), Stainless steel 1.4571 (316Ti), Duplex 2205 (1.4462), Superduplex (1.4410), Hastelloy C22 (2.4602), Hastelloy C276 (2.4819), Inconel 600 (2.4816), Inconel 625 (2.4856), Incoloy 825 (2.4858), Monel 400 (2.4360), Titanium grade 2 (3.7035), Titanium grade 7 (3.7235), Stainless steel 1.4435 (316L), Nickel, Titanium grade 11 (3.7225), Tantalum, ECTFE coating, PFA (Perfluoroalkoxy) coating, Gold plating, Wikaramic coating, Nickel 200 (2.4060, 2.4066) |
| مادة الأجزاء الملامسة | Stainless steel 1.4539 (904L), Stainless steel 1.4541 (321), Stainless steel 1.4571 (316Ti), ECTFE coating, PFA (Perfluoroalkoxy) coating, Gold plating, Hastelloy C22 (2.4602), Hastelloy C276 (2.4819), Inconel 600 (2.4816), Inconel 625 (2.4856), Incoloy 825 (2.4858), Monel 400 (2.4360), Nickel 200 (2.4060, 2.4066), Titanium grade 2 (3.7035), Titanium grade 11 (3.7225), Tantalum, Stainless steel 1.4404 / 1.4435 (316L), Duplex 2205 (1.4462), Superduplex (1.4410), Wikaramic, Wikaramic® coating, Wikaramic coating, Titanium grade 7 (3.7235) |
| مادة الإحكام | Form B1, Form A, Form B2, Form C (tongue), Form D (groove), RF 125 ... 250 AA, RFSF, Flat face, Small tongue, Small male face, Small groove, Type B, Type A (flat face), Type C (tongue), Type D (groove), Type E (spigot, male face), Type F (recess, female face), Form E, Form F, Small female face, Large tongue, Large male face, Large groove, Large female face, RJF groove |
| الشهادات | EACCRNMTSCHS |
| لغات ورقة البيانات | EN, DE |
| Model 990.29 | Standard | Option |
|---|---|---|
| Level of cleanliness of wetted parts | Oil and grease free per ASTM G93-03 level FWIKA standard (< 1,000 mg/m²) | ■ Oil and grease free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m 2 ) ■ Oil and grease free per ASTM G93-03 level C and ISO 15001 (< 66 mg/m²) |
| Origin of wetted parts | International | EU, CH, USA |
| Extension length (Tolerance: ±2,5 mm[±0,098 in]) | 50 mm[1.968 in] | ■ 100 mm[3.937 in] ■ 150 mm[5.905 in] ■ 200 mm[7.874 in] |
| Connection to the measuring instrument | Axial adapter | Axial adapter with G1/2, G1/4, 1/2 NPT or 1/4 NPT (female) |
| Type of mounting | Direct mounting | ■ Capillary ■ Cooling element |
| Design per NACE | - | ■ MR0175 ■ MR0103 |
| Vacuum service (see IN 00.25) | Basic service | ■ Premium service ■ Advanced service |
| Instrument mounting bracket (only for capillary option) | - | ■ Form H per DIN 16281, 100 mm, aluminium, black ■ Form H per DIN 16281, 100 mm, stainless steel ■ Bracket for pipe mounting, for pipe Ø20 ... 80 mm, steel (see data sheet AC 09.07) |
| Standard | Nominal | Sealing face | |
|---|---|---|---|
| width | Standard | Option | |
| Following DIN EN 1092-1 | DN 50 DN 80 DN 100 DN 125 | Form B1 | ■ Form A ■ Form B2 ■ Form C (tongue) ■ Form D (groove) ■ Form E ■ Form F |
| Following ASME B16.5 | 2 " 3" 4" 5" | RF 125 ... 250 AA | ■ RFSF ■ Flat face ■ Small tongue ■ Small male face ■ Small groove ■ Small female face ■ Large tongue ■ Large male face ■ Large groove ■ Large female face ■ RJF groove |
| Following GOST 33259 | DN 25 DN 40 DN 50 DN 65 | Type B | ■ Type A (flat face) ■ Type C (tongue) ■ Type D (groove) ■ Type E (spigot, male face) ■ Type F (recess, female face) |
| Upper body of diaphragm seal | Wetted parts | Maximum permissible process temperature ¹⁾ in °C [°F] |
|---|---|---|
| Stainless steel 1.4404 (316L) | Stainless steel 1.4404 / 1.4435 (316L), standard version | 400 [752] |
| Stainless steel 1.4539 (904L) | ||
| Stainless steel 1.4541 (321) | ||
| Stainless steel 1.4571 (316Ti) | ||
| ECTFE coating | 150 [302] | |
| PFA (Perfluoroalkoxy) coating, FDA | 260 [500] | |
| PFA (perfluoroalkoxy) coating, antistatic | ||
| Gold plating | 400 [752] | |
| Wikaramic ® coating | ||
| Hastelloy C22 (2.4602) | 260 [500] | |
| Hastelloy C276 (2.4819) | 400 [752] | |
| Inconel 600 (2.4816) | ||
| Inconel 625 (2.4856) | ||
| Incoloy 825 (2.4858) | ||
| Monel 400 (2.4360) | ||
| Nickel 200 (2.4060, 2.4066) | 260 [500] | |
| Titanium grade 2 (3.7035) | 150 [302] | |
| Titanium grade 11 (3.7225) | ||
| Tantalum | 300 [572] | |
| Stainless steel 1.4435 (316L) | Stainless steel 1.4435 (316L) | 400 [752] |
| Stainless steel 1.4539 (904L) | Stainless steel 1.4539 (904L) | |
| Stainless steel 1.4541 (321) | Stainless steel 1.4541 (321) | |
| Stainless steel 1.4571 (316Ti) | Stainless steel 1.4571 (316Ti) | |
| Duplex 2205 (1.4462) | Duplex 2205 (1.4462) | 300 [572] |
| Superduplex (1.4410) | Superduplex (1.4410) | |
| Hastelloy C22 (2.4602) | Hastelloy C22 (2.4602) | 400 [752] |
| Hastelloy C276 (2.4819) | Hastelloy C276 (2.4819) | |
| Inconel 600 (2.4816) | Inconel 600 (2.4816) | |
| Inconel 625 (2.4856) | Inconel 625 (2.4856) | |
| Incoloy 825 (2.4558) | Incoloy 825 (2.4858) | |
| Monel 400 (2.4360) | Monel 400 (2.4360) | |
| Nickel | Nickel 200 (2.4060, 2.4066) | |
| Titanium grade 2 (3.7035) | Titanium grade 2 (3.7035) | |
| Titanium grade 7 (3.7235) | Titanium grade 11 (3.7225) |
| Logo | Description | Country |
|---|---|---|
| EAC (option) Pressure equipment directive | Eurasian Economic Community | |
| - | CRN Safety (e.g. electr. safety, overpressure, ...) | Canada |
| - | MTSCHS (option) Permission for commissioning | Kazakhstan |
عرض الكل (10)
| DN | PN | Dimensions in mm[in] | x | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mb | D | b | d 2 | k | f | d 4 | d 5 +1 [0.039] -0.5 [0.020] | |||
| 50 | 10/40 | 45 [1.772] | 165 [6.496] | 20 [0.787] | 18 [0.709] | 125 [4.921] | 2 [0.079] | 102 [4.016] | 48.3 [1.902] | 4 |
| 80 | 10/16 | 72 [2.835] | 200 [7.874] | 20 [0.787] | 18 [0.709] | 160 [6.299] | 2 [0.079] | 138 [5.433] | 76 [2.92] | 8 |
| 25/40 | 72 [2.835] | 200 [7.874] | 24 [0.945] | 18 [0.709] | 160 [6.299] | 2 [0.079] | 138 [5.433] | 76 [2.92] | 8 | |
| 100 | 10/16 | 89 [3.504] | 220 [8.661] | 20 [0.787] | 18 [0.709] | 180 [7.087] | 2 [0.079] | 158 [6.22] | 94 [3.701] | 8 |
| 25/40 | 89 [3.504] | 235 [9.252] | 24 [0.945] | 22 [0.866] | 190 [7.48] | 2 [0.079] | 162 [6.378] | 94 [3.701] | 8 | |
| 125 | 10/16 | 124 [4.882] | 250 [9.842] | 22 [0.866] | 18 [0.709] | 210 [8.268] | 2 [0.079] | 188 [7.402] | 125 [4.921] | 8 |
| 25/40 | 124 [4.882] | 270 [10.63] | 26 [1.024] | 26 [1.024] | 220 [8.661] | 2 [0.079] | 188 [7.402] | 125 [4.921] | 8 |
| DN | Class | Dimensions in mm[in] | x | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mb | D | b | d 2 | k | f | d 4 | d 5 +1 [0.039] -0.5 [0.020] | |||
| 1 ½" | 150 | 35 [1.378] | 125 [4.921] | 17.9 [0.705] | 16 [0.63] | 98.4 [3.874] | 2 [0.079] | 73 [2.874] | 38 [1.496] | 4 |
| 300 | 35 [1.378] | 155 [6.102] | 21.1 [0.831] | 22 [0.866] | 114.3 [4.5] | 2 [0.079] | 73 [2.874] | 38 [1.496] | 4 | |
| 2" | 150 | 45 [1.772] | 150 [5.906] | 19.5 [0.768] | 19 [0.748] | 120.7 [4.752] | 2 [0.079] | 92 [3.622] | 48.3 [1.902] | 4 |
| 300 | 45 [1.772] | 165 [6.496] | 22.7 [0.894] | 19 [0.748] | 127 [5] | 2 [0.079] | 92 [3.622] | 48.3 [1.902] | 8 | |
| 3" | 150 | 72 [2.835] | 190 [7.48] | 24.3 [0.957] | 19 [0.748] | 152.4 [6] | 2 [0.079] | 127 [5] | 76 [2.992] | 4 |
| 300 | 72 [2.835] | 210 [8.268] | 29 [1.142] | 22 [0.866] | 168.3 [6.626] | 2 [0.079] | 127 [5] | 76 [2.992] | 8 | |
| 4" | 150 | 89 [3.504] | 230 [9.055] | 24.3 [0.957] | 19 [0.748] | 190.5 [7.5] | 2 [0.079] | 158 [6.22] | 94 [3.701] | 8 |
| 300 | 89 [3.504] | 255 [10.039] | 32.2 [1.268] | 22 [0.866] | 200 [7.874] | 2 [0.079] | 158 [6.22] | 94 [3.701] | 8 |
| DN | PN | Dimensions in mm[in] | x | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mb | D | b | d 2 | k | f | d 4 | d 5 +1 [0.039] -0.5 [0.020] | |||
| 50 | 10 / 16 | 40 [1.575] | 160 [6.299] | 16 [0.63] | 18 [0.709] | 125 [4.921] | 3 [0.118] | 102 [4.016] | 44 [1.732] | 4 |
| 25 / 40 | 40 [1.575] | 160 [6.299] | 20 [0.787] | 18 [0.709] | 125 [4.921] | 3 [0.118] | 102 [4.016] | 44 [1.732] | 4 | |
| 80 | 10 | 60 [2.362] | 195 [7.677] | 18 [0.709] | 18 [0.709] | 160 [6.299] | 3 [0.118] | 133 [5.236] | 74 [2.913] | 4 |
| 16 | 60 [2.362] | 195 [7.677] | 20 [0.787] | 18 [0.709] | 160 [6.299] | 3 [0.118] | 133 [5.236] | 74 [2.913] | 4 | |
| 25 | 60 [2.362] | 195 [7.677] | 22 [0.866] | 18 [0.709] | 160 [6.299] | 3 [0.118] | 133 [5.236] | 74 [2.913] | 8 | |
| 40 | 60 [2.362] | 195 [7.677] | 26 [1.024] | 18 [0.709] | 160 [6.299] | 3 [0.118] | 133 [5.236] | 74 [2.913] | 8 | |
| 100 | 10 / 16 | 72 [2.835] | 215 [8.465] | 20 [0.787] | 18 [0.709] | 180 [7.087] | 3 [0.118] | 158 [6.22] | 91 [3.583] | 8 |
| 25 | 72 [2.835] | 215 [8.465] | 24 [0.945] | 22 [0.866] | 190 [7.48] | 3 [0.118] | 158 [6.22] | 91 [3.583] | 8 | |
| 40 | 72 [2.835] | 215 [8.465] | 26 [1.024] | 22 [0.866] | 190 [7.48] | 3 [0.118] | 158 [6.22] | 91 [3.583] | 8 | |
| 125 | 10 / 16 | 90 [3.543] | 245 [9.646] | 22 [0.866] | 18 [0.709] | 210 [8.268] | 3 [0.118] | 184 [7.244] | 111 [4.37] | 8 |
| 25 | 90 [3.543] | 270 [10.63] | 26 [1.024] | 26 [1.024] | 220 [8.661] | 3 [0.118] | 184 [7.244] | 111 [4.37] | 8 | |
| 40 | 90 [3.543] | 270 [10.63] | 28 [1.102] | 26 [1.024] | 220 [8.661] | 3 [0.118] | 184 [7.244] | 111 [4.37] | 8 |
| 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 |
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