Main view of HZT037219210~HZT037221602 NBR O-ring seal set for HZT 15MBD marine vacuum sewage pump.
Main view of HZT037219210~HZT037221602 NBR O-ring seal set for HZT 15MBD marine vacuum sewage pump.
Detail view showing multiple sizes of HZT037219210~HZT037221602 NBR O-rings for marine vacuum pump assembly.
Main view of HZT037219210~HZT037221602 NBR O-ring seal set for HZT 15MBD marine vacuum sewage pump.
Detail view showing multiple sizes of HZT037219210~HZT037221602 NBR O-rings for marine vacuum pump assembly.

HZT03737219210، HZT037219250، HZT037219220، HZT037219200، HZT037219200، HZT037221602 مجموعة مانع التسرب - 15MBD مضخة تفريغ مياه الصرف الصحي البحرية NBR Nitrile Nitrile Rubber O-Ring Seal

The HZT037219210, HZT037219250, HZT037219220, HZT037219200, and HZT037221602. O-ring seal set is a complete NBR nitrile rubber sealing kit for the HZT 15MBD marine vacuum sewage pump. It ensures reliable sealing between the suction chamber, pressure chamber, end flange, and shaft seal. With outstanding resistance to seawater, oil, and vacuum deformation, this seal kit enhances pump performance and durability in marine sanitation and vacuum sewage systems.

مقدمة المنتج

NBR Nitrile Rubber · High Vacuum Sealing Performance · Specialized Sealing Components for Marine Vacuum Pumps

I. نظرة عامة على المنتج

The HZT037219210~HZT037221602 O-Ring Seal Set is the core sealing component for the HZT 15MBD marine vacuum sewage pump. Made of NBR nitrile rubber, this series of O-rings is specifically designed for the gas-liquid isolation system of vacuum pumps. They ensure reliable sealing and leak-proof operation in high-pressure, high-humidity, and corrosive environments.

This seal assembly covers key sealing areas of the pump body, including:

* Between the suction chamber (HZT029150320) and the suction chamber cover (HZT029150310);
* Between the end flange (HZT029150601) and the pressure chamber (HZT029150901);
* Between the shaft seal (HZT038201500) and the shaft seal end flange (HZT029150391);
* The connection area with the rotor housing (HZT029150800);
* As well as the outlet chamber and vacuum pipe interface.

II. Material Characteristics and Performance Advantages

Material: NBR (Nitrile Rubber)

1. High Sealing Performance
NBR rubber has excellent elasticity and resilience, maintaining seal integrity under alternating vacuum and positive pressure conditions.

2️⃣ Media Resistance

Suitable for a variety of media, including black water, gray water, lubricating oil, condensate, and seawater.

Excellent resistance to oil, salt spray, acids, and alkalis.

3️⃣ High Temperature and Aging Resistance

Operating temperature range: -30°C to +120°C; no cracking or hardening after long-term use.

4️⃣ Precision Fit

O-ring dimensions are precisely dimensioned and aligned with the tolerances of all HZT vacuum pump components, ensuring that compression and sealing gaps remain within ideal ranges during assembly.

5️⃣ Vacuum Deformation Resistance

Maintains a stable cross-sectional shape even under strong negative pressure, preventing flattening or displacement.

III. Compatible Components and Assembly Locations

| Material Code | Name | Functional Location |
| ———— | ———– | ———– |
| HZT037219210 | O-ring | Shaft seal assembly and end flange seal |
| HZT037219220 | O-ring | Suction chamber cover seal |
| HZT037219250 | O-ring | Pressure chamber and end flange seal |
| HZT037219200 | O-ring | Flap valve base and suction chamber seal |
| HZT037221602 | O-ring | Rotor housing and pressure chamber seal |

These seals form the leak-proof foundation of the entire unit’s gas-liquid isolation system and are among the most critical consumable parts during the assembly and maintenance of HZT vacuum sewage pumps.

IV. Applications

* 🚢 Marine Vacuum Sewage System
* 🧱 Black & Grey Water Pump System
* 🧰 Marine Vacuum Toilet Unit
* ⚙️ Industrial Vacuum Fluid Pumps
* 🛳 Marine Pump Spare Parts

V. Product Features

✅ Made of NBR nitrile rubber, it is oil-resistant, corrosion-resistant, and vacuum-resistant.
✅ Precisely matches the full range of HZT15MBD components, ensuring complete sealing.
✅ Anti-aging and long service life, suitable for long-term operation.
✅ Easy to replace, suitable for OEM and maintenance markets.
✅ All seals are airtight and vacuum leak tested.

VI. Technical Support and Supply

توفر HZT معدات كاملة وتصميم نظام وخدمات ملحقاته:

* حلول شاملة لمضخات التفريغ البحرية ومحطات ضخ تفريغ مياه الصرف الصحي
* نظام تصنيع المعدات الأصلية ودعم حوض بناء السفن
* توريد قطع الغيار وخدمات الإصلاح السريع

📧 البريد الإلكتروني للدعم الفني: SJDT1199@gmail.com
🌐 الموقع الرسمي: www.vacuumtoiletparts.com

1. HZT02915151001 - مقعد صمام الرفرف
2. HZT03730302200 - قرص صمام الرفرف
3. HZT02915151003 - صفيحة ضغط HZT029151003 - لوحة الضغط
4. HZT029150150310 - غطاء غرفة الشفط
5. HZT03737219210 - حلقة على شكل حرف O
6. HZT029150150320 - غرفة الشفط
7. HZT02020202900 - مانع تسرب سداسي الشكل
8. HZT02915151900 - صامولة القفل
9. HZT029150150400 - شفرة دوارة
10. HZT029150150500 - شفرة ثابتة
11. HZT029152401 - برغي سداسي نصف ملولب مع حلقة زنبركية (M10x170)
12. HZT029150601 - شفة طرفية HZT029150601 - شفة طرفية
13. HZT029150150701 - دوّار (دافع)
14. HZT029150150800 - مبيت الدوار
15. HZT029151800 - فاصل HZT029151800 - فاصل
16. HZT038201500 - مانع تسرب العمود HZT038201500 - Shaft seal
17. HZT03450507420 - مشبك خرطوم HZT034507420 - مشبك خرطوم
18. HZT034507500 - خرطوم HZT034507500
19. HZT029150150391 - شفة ختم العمود
20. HZT02915050901 - غرفة الضغط (غرفة تصريف المياه)
21. HZT029150150310-02 - غطاء الشفط (لوحة معدنية)
22. HZT029150150450 - مجموعة القاطع
23. HZT/- - محرك - 2.2 كيلوواط - محرك بحري
24. مضخة تفريغ الهواء HZT029015001 - 15MBD
25. HZT0T2323280061 - مقعد صمام الرفرف
26. HZT03730302100 - قرص صمام الرفرف
27. HZT0T2323280091 - لوحة الضغط
28. HZT0232328000050 - غطاء حجرة الشفط
29. HZT03737219260 - حلقة على شكل حرف O
30. HZT0T02328280070 - قفل شفة HZT023280070 - قفل شفة
31. HZT0T02328280080 - شفة HZT023280080 - شفة
32. HZT0T02328280040 - غرفة الشفط
33. HZT0T02020202900 - قابس
34. HZT02020203100 - الشفرة الدوارة
35. HZT02020203100 - شفرة ثابتة
36. HZT02121201000 - حامل الشفرات
37. HZT03620202010 - برغي سداسي نصف خيط (مع غسالة زنبركية) M12x220
38. HZT02323200210 - لوحة طرف حجرة الشفط
39. HZT0T2323219000 - مبيت الدوار
40. HZT021265401 - دوّار (دافع)
41. HZT02121217000 - سدادة RG 3/8 بوصة
42. HZT02323219000 - غرفة الضغط (غرفة التفريغ)
43. HZT023260260400 - كم العزل
44. HZT038218900 - مانع تسرب العمود
45. HZT0232328000030 - شفة مانع تسرب العمود
46. HZT0232828000050-02 - غطاء غرفة الشفط (لوح معدني)
47. HZT/- - محرك - 3.0 كيلوواط - محرك بحري
48. HZT0T02328280010 - مضخة تفريغ الهواء 25 MBA

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