{"id":2808,"date":"2025-10-25T02:46:37","date_gmt":"2025-10-25T02:46:37","guid":{"rendered":"https:\/\/vacuumtoiletparts.com\/?post_type=blc-product-review&#038;p=2808"},"modified":"2025-11-19T08:06:57","modified_gmt":"2025-11-19T08:06:57","slug":"hzt029150450","status":"publish","type":"blc-product-review","link":"https:\/\/vacuumtoiletparts.com\/es\/products\/hzt029150450\/","title":{"rendered":"HZT029150450 - 15MBD Conjunto de herramientas para bomba de vac\u00edo de aguas residuales marinas (herramientas giratorias y fijas, acero inoxidable 17-4PH, acabado CNC de 5 ejes) | HZT029150400 y HZT029150500 Conjuntos de herramientas para sistemas pulverizadores de aguas residuales marinas; Compatible con JETS"},"content":{"rendered":"<p>El conjunto de cuchillas T029150450 es el componente principal de trituraci\u00f3n del sistema de bomba de vac\u00edo para aguas residuales marinas HZT 15MBD. Consta de dos partes:<\/p>\n<p>* Cuchilla giratoria (HZT029150400) - montada en el eje de salida del motor;<br \/>\n* Cuchilla fija (HZT029150500) - fijada a la brida final (HZT029150601).<\/p>\n<p>Juntos, estos dos componentes forman un sistema de trituraci\u00f3n de gran eficacia, dise\u00f1ado para cortar y triturar las aguas residuales de los barcos, las aguas negras y los residuos, evitando el bloqueo de la bomba de vac\u00edo y las tuber\u00edas, y garantizando un funcionamiento estable y duradero del sistema.<\/p>\n<p>1. Ventajas de la estructura y el proceso de fabricaci\u00f3n<\/p>\n<p>* Material de acero inoxidable 17-4PH (630) de alta resistencia:<br \/>\nEl juego de cuchillas est\u00e1 fabricado con una pieza en bruto de forja de acero inoxidable 17-4PH macizo, que ha sido tratada por disoluci\u00f3n y envejecimiento (HRC 40-45), y posee una gran dureza y resistencia a los impactos;<\/p>\n<p>* Mecanizado de precisi\u00f3n CNC de 5 ejes:<br \/>\nLa superficie de la pala y la superficie de referencia de montaje se completan en un solo paso mediante el mecanizado de enlace de cinco ejes, lo que garantiza la precisi\u00f3n de coincidencia y el rendimiento de equilibrio din\u00e1mico de las palas din\u00e1micas y est\u00e1ticas;<\/p>\n<p>* Control de tratamiento t\u00e9rmico de doble capa:<br \/>\nEl gradiente de dureza de la superficie y el n\u00facleo est\u00e1 optimizado para mejorar la resistencia al desgaste y evitar el desconchado;<\/p>\n<p>* Cuchilla de espejo y tratamiento de pasivaci\u00f3n anticorrosi\u00f3n:<br \/>\nMejoran la eficacia del corte al tiempo que reducen la adherencia de las impurezas de las aguas residuales y la deposici\u00f3n de bioincrustaciones.<\/p>\n<p>II. Funci\u00f3n y principio del sistema<\/p>\n<p>El conjunto de paletas HZT029150450 est\u00e1 situado dentro de la entrada de la cabeza de la bomba, montado entre la c\u00e1mara de succi\u00f3n (HZT029150320) y la brida del extremo (HZT029150601):<\/p>\n<p>* El motor acciona las palas giratorias (HZT029150400) para que giren a gran velocidad;<br \/>\n* Las cuchillas fijas (HZT029150500) forman un mecanismo de cizallamiento;<br \/>\n* Los residuos se trituran y las aguas residuales se homogeneizan dentro de un espacio libre de microcizallamiento;<br \/>\n* El fluido triturado entra en la c\u00e1mara de la bomba y es aspirado por el impulsor (HZT029150701).<\/p>\n<p>Este dise\u00f1o mantiene estable el caudal del sistema de vac\u00edo, al tiempo que evita eficazmente los atascos y los da\u00f1os en la bomba.<\/p>\n<p>III. Caracter\u00edsticas de ingenier\u00eda y ventajas t\u00e9cnicas<\/p>\n<p>* Alta eficiencia de corte: Las cuchillas din\u00e1micas y est\u00e1ticas trabajan juntas para triturar continuamente fibras, pelo, pl\u00e1stico, tejidos y otros residuos dom\u00e9sticos.<br \/>\n* \u2699\ufe0f Dise\u00f1o equilibrado din\u00e1micamente: El mecanizado en cinco ejes garantiza la calidad sim\u00e9trica de las palas giratorias, reduciendo las vibraciones y el ruido.<br \/>\n* \ud83d\udca7 Compatibilidad con el vac\u00edo: La estructura totalmente sellada es adecuada para el tratamiento de aguas residuales de vac\u00edo sin afectar el nivel de vac\u00edo del sistema.<br \/>\n* \ud83d\udee0\ufe0f Facilidad de mantenimiento: El conjunto de cuchillas es una pieza consumible y puede sustituirse de forma independiente, lo que mejora la eficacia del funcionamiento y el mantenimiento.<br \/>\n* \ud83d\udea2 Resistencia a la corrosi\u00f3n: el material de aleaci\u00f3n 17-4PH combinado con el proceso de tratamiento t\u00e9rmico proporciona resistencia a largo plazo a aguas residuales, niebla salina y medios \u00e1cidos y alcalinos.<\/p>\n<p>IV. Adaptaci\u00f3n y compatibilidad de las series<\/p>\n<p>* Aplicable a: Bomba de vac\u00edo marina para aguas residuales HZT 15MBD<br \/>\n* Similar en estructura a la serie 25MBA, pero con dimensiones y conexiones diferentes, no directamente intercambiables.<br \/>\n* Gran compatibilidad de sustituci\u00f3n y reparaci\u00f3n: Se puede utilizar como pieza de repuesto est\u00e1ndar para el cabezal de la bomba 15MBD.<br \/>\n* Interfaz de montaje: Se monta con HZT029150320 (c\u00e1mara de aspiraci\u00f3n) y HZT029150601 (brida final).<\/p>\n<p>V. Escenarios de aplicaci\u00f3n industrial<\/p>\n<p>El juego de cuchillas HZT029150450 se utiliza ampliamente en:<\/p>\n<p>* \ud83d\udea2 Sistemas marinos de recogida de aguas residuales y aguas negras por aspiraci\u00f3n<br \/>\n* \u2699\ufe0f Inodoros de vac\u00edo y sistemas de descarga de aguas residuales<br \/>\n* \ud83d\udef3\ufe0f Sistemas de tratamiento de aguas residuales en alta mar<br \/>\n* \ud83e\uddf0 Unidades de saneamiento portuario y mar\u00edtimo<\/p>\n<p>Su durabilidad, rendimiento antiobstrucci\u00f3n y eficacia de corte lo convierten en un componente esencial de los equipos de tratamiento de aguas residuales por vac\u00edo.<\/p>\n<p>VI. Asistencia t\u00e9cnica y suministro<\/p>\n<p>HZT ofrece servicios completos de equipamiento, dise\u00f1o de sistemas y accesorios:<\/p>\n<p>* Soluciones integrales para bombas de vac\u00edo marinas y estaciones de bombeo de vac\u00edo de aguas residuales<br \/>\n* Sistema OEM y asistencia a astilleros<br \/>\n* Suministro r\u00e1pido de piezas y servicios de reparaci\u00f3n<\/p>\n<p>\ud83d\udce7 Correo electr\u00f3nico de asistencia t\u00e9cnica: SJDT1199@gmail.com<br \/>\n\ud83c\udf10 P\u00e1gina oficial: www.vacuumtoiletparts.com<\/p>\n<p>1. HZT029151001 - Asiento de v\u00e1lvula de mariposa<br \/>\n2. HZT037302200 - Disco de v\u00e1lvula de mariposa<br \/>\n3. HZT029151003 - Placa de presi\u00f3n<br \/>\n4. HZT029150310 - Tapa de la c\u00e1mara de aspiraci\u00f3n<br \/>\n5. HZT037219210 - Junta t\u00f3rica<br \/>\n6. HZT029150320 - C\u00e1mara de aspiraci\u00f3n<br \/>\n7. HZT020202900 - Junta de vaso hexagonal<br \/>\n8. HZT029151900 - Contratuerca<br \/>\n9. HZT029150400 - Cuchilla giratoria<br \/>\n10. HZT029150500 - Cuchilla estacionaria<br \/>\n11. HZT029152401 - Tornillo hexagonal de media rosca con arandela el\u00e1stica (M10x170)<br \/>\n12. HZT029150601 - Brida final<br \/>\n13. HZT029150701 - Rotor (impulsor)<br \/>\n14. HZT029150800 - Carcasa del rotor<br \/>\n15. HZT029151800 - Espaciador<br \/>\n16. HZT038201500 - Junta del eje<br \/>\n17. HZT034507420 - Abrazadera de manguera<br \/>\n18. HZT034507500 - Manguera<br \/>\n19. HZT029150391 - Brida de sellado del eje<br \/>\n20. HZT029150901 - C\u00e1mara de presi\u00f3n (C\u00e1mara de descarga de agua)<br \/>\n21. HZT029150310-02 - Tapa de aspiraci\u00f3n (placa met\u00e1lica)<br \/>\n22. HZT029150450 - Conjunto cortador<br \/>\n23. HZT\/- - Motor - 2.2kW - Motor marino<br \/>\n24. HZT029015001 - Bomba de vac\u00edo 15MBD<br \/>\n25. HZT023280061 - Asiento de v\u00e1lvula Flap<br \/>\n26. HZT037302100 - Disco de v\u00e1lvula Flap<br \/>\n27. HZT023280091 - Placa de presi\u00f3n<br \/>\n28. HZT023280050 - Tapa de la c\u00e1mara de aspiraci\u00f3n<br \/>\n29. HZT037219260 - Junta t\u00f3rica<br \/>\n30. HZT023280070 - Sujetador de brida<br \/>\n31. HZT023280080 - Brida<br \/>\n32. HZT023280040 - C\u00e1mara de aspiraci\u00f3n<br \/>\n33. HZT020202900 - Enchufe<br \/>\n34. HZT020203100 - Cuchilla giratoria<br \/>\n35. HZT020203100 - Cuchilla estacionaria<br \/>\n36. HZT021201000 - Portacuchillas<br \/>\n37. HZT036202010 - Perno hexagonal de media rosca (con arandela el\u00e1stica) M12x220<br \/>\n38. HZT023200210 - Placa final de la c\u00e1mara de aspiraci\u00f3n<br \/>\n39. HZT023219000 - Carcasa del rotor<br \/>\n40. HZT021265401 - Rotor (Impulsor)<br \/>\n41. HZT021217000 - Tap\u00f3n RG 3\/8<br \/>\n42. HZT023219000 - C\u00e1mara de presi\u00f3n (C\u00e1mara de descarga)<br \/>\n43. HZT023260400 - Manguito de aislamiento<br \/>\n44. HZT038218900 - Junta del eje<br \/>\n45. HZT023280030 - Brida de sellado del eje<br \/>\n46. HZT023280050-02 - Tapa de la c\u00e1mara de aspiraci\u00f3n (chapa met\u00e1lica)<br \/>\n47. HZT\/- - Motor - 3,0 kW - Motor marino<br \/>\n48. HZT023280010 - Bomba de vac\u00edo 25 MBA<\/p>\n<p>6541458, 5900200, 6558400147, 5957600, 5980801, 6541673, 5979000, 5435181, 5451480, 6543469, 6543521, 5980914, 5981000, 6545873, 6545872, 6541672, 5979500, 5979600, 6542601, 6542586, 6541675, 5775500, 5973401, 6545363, 6543035, 5959902, 6542998, 6545393, 6541552, 5437623, 6540972, 6540973, 6543036, 5821700, 5433594, 6542305, 6545041, 5821000, 6542997, 6547089, 6547327, 6545537, 5490590, 5490587, 5450072, 5490580, 6541525, 6546852, 6545903, 6541709, 6541708, 6546255, 6542549, 6542827, 6543101, 6545725, 5437598, 5430612, 6541200, 5442101, 5824900, 6541003, 5980802, 6542958, 5435169, 6545052, 65433072, 5779210, 5780000, 5779400, 5435269, 6543003, 70701001, 5774002, 5774000, 5900204, 5435015, 5774901, 6542981, 6545051, 6542402, 6543002, 5481004, 6543072, 5445001, 6545828, 6540969, 5437666, 5913502, 5430595, 5979312, 6545901, 5490548, 6542451, 6542434, 6543229, 5470214, 6542983, 6542982, 5433215, 5432548<\/p>","protected":false},"excerpt":{"rendered":"<p>El conjunto de cuchillas HZT029150450 consta de una cuchilla giratoria (HZT029150400) y una cuchilla fija (HZT029150500). Fabricadas en acero 17-4PH (630), las cuchillas alcanzan una dureza de HRC 40-45 tras un tratamiento t\u00e9rmico de disoluci\u00f3n y envejecimiento. Las curvas de corte de alta precisi\u00f3n se consiguen mediante un \u00fanico proceso de mecanizado CNC de cinco ejes, lo que garantiza una holgura estable entre las cuchillas giratorias y las fijas. Esto permite pulverizar eficazmente los residuos de las aguas residuales dom\u00e9sticas y negras, evitando la obstrucci\u00f3n del sistema. Este conjunto de paletas es un componente esencial de la bomba de vac\u00edo para aguas residuales marinas 15MBD, y se caracteriza por su resistencia a la corrosi\u00f3n, su gran solidez y su larga vida \u00fatil. Su estructura es similar a la de la serie 25MBA, pero no es universal.<\/p>","protected":false},"author":1,"featured_media":2809,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"blc-product-review-categories":[36],"class_list":["post-2808","blc-product-review","type-blc-product-review","status-publish","has-post-thumbnail","hentry","blc-product-review-categories-hzt-15mbd"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; JETS Compatible - HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vacuumtoiletparts.com\/es\/products\/hzt029150450\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; JETS Compatible - HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems\" \/>\n<meta property=\"og:description\" content=\"The HZT029150450 blade assembly consists of a rotating blade (HZT029150400) and a fixed blade (HZT029150500). Made of 17-4PH (630) steel, the blades achieve a hardness of HRC 40\u201345 after solution and aging heat treatment. High-precision cutting curves are achieved through a single five-axis CNC machining process, ensuring a stable clearance between the rotating and stationary blades. This allows for efficient pulverization of debris in domestic sewage and blackwater, preventing system clogging. This blade assembly is a core component of the 15MBD marine vacuum sewage pump, featuring corrosion resistance, high strength, and long life. Its structure is similar to the 25MBA series, but not universal.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vacuumtoiletparts.com\/es\/products\/hzt029150450\/\" \/>\n<meta property=\"og:site_name\" content=\"HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-19T08:06:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vacuumtoiletparts.com\/wp-content\/uploads\/2025\/10\/hzt029150450-15mbd-knife-assembly-main-view.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1125\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/\",\"url\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/\",\"name\":\"HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; JETS Compatible - HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\\\/JETS Systems\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hzt029150450-15mbd-knife-assembly-main-view.jpg\",\"datePublished\":\"2025-10-25T02:46:37+00:00\",\"dateModified\":\"2025-11-19T08:06:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/#breadcrumb\"},\"inLanguage\":\"es-PE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es-PE\",\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/#primaryimage\",\"url\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hzt029150450-15mbd-knife-assembly-main-view.jpg\",\"contentUrl\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hzt029150450-15mbd-knife-assembly-main-view.jpg\",\"width\":1500,\"height\":1125,\"caption\":\"Main view showing rotating and stationary knives combined as a complete cutter assembly.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/products\\\/hzt029150450\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Product Reviews\",\"item\":\"https:\\\/\\\/vacuumtoiletparts.com\\\/product\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; 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JETS Compatible - HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/vacuumtoiletparts.com\/es\/products\/hzt029150450\/","og_locale":"es_ES","og_type":"article","og_title":"HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; JETS Compatible - HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems","og_description":"The HZT029150450 blade assembly consists of a rotating blade (HZT029150400) and a fixed blade (HZT029150500). Made of 17-4PH (630) steel, the blades achieve a hardness of HRC 40\u201345 after solution and aging heat treatment. High-precision cutting curves are achieved through a single five-axis CNC machining process, ensuring a stable clearance between the rotating and stationary blades. This allows for efficient pulverization of debris in domestic sewage and blackwater, preventing system clogging. This blade assembly is a core component of the 15MBD marine vacuum sewage pump, featuring corrosion resistance, high strength, and long life. Its structure is similar to the 25MBA series, but not universal.","og_url":"https:\/\/vacuumtoiletparts.com\/es\/products\/hzt029150450\/","og_site_name":"HZT Marine Vacuum Sewage System_Vacuum Pump Station_Marine Vacuum Sewage Macerator Pump_Ship Maintenance Spare Parts_Vacuum Toilet_Vacuum Lavatory_Vacuum Toilet Ceramic Bowl_Compatible with EVAC\/JETS Systems","article_modified_time":"2025-11-19T08:06:57+00:00","og_image":[{"width":1500,"height":1125,"url":"https:\/\/vacuumtoiletparts.com\/wp-content\/uploads\/2025\/10\/hzt029150450-15mbd-knife-assembly-main-view.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/vacuumtoiletparts.com\/products\/hzt029150450\/","url":"https:\/\/vacuumtoiletparts.com\/products\/hzt029150450\/","name":"HZT029150450 \u2013 15MBD Marine Vacuum Sewage Pump Tool Assembly (rotating and fixed tools, 17-4PH stainless steel, CNC 5-axis finishing) | HZT029150400 and HZT029150500 Tool Kits for Marine Sewage Pulverizer Systems; 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