Kullanılmış Teka Vakum Ekstraksiyonu satın al (3.101)

Durum: yeni, Yan Kanal Vakum Pompası, Yan Kanal Üfleyici, Vakum Pompası, Busch Samos Si 1150 E1 Üretici: Busch Tip: Samos SI 1150 E1 Durum: Yeni, Test Edilmiş Ağırlık: 360 kg Yıl: 2020 Bsdpfxov Tppie Amtowp Genel boyutlar: 2100 x 1360 x 1000 mm Paslanmaz çelikten yapılmış ses geçirmez bir muhafaza içinde. Pompa Performansı: Maksimum diferansiyel vakum: -185 mbar, 828 mbar Maksimum diferansiyel basınç: +155 mbar, 1168 mbar Hava akış hızı: 1200 m³/h Elektriksel Veriler: 11/12,6 kW, 400 V, 50/60 Hz, 26-46 A

Durum: yeni, Orijinal kutusunda. Hiç kullanılmamış Pfeiffer Adixen Alcatel ATH 1600 M Turbomoleküler Vakum Pompası - N2 için 1.400 l / s'ye kadar pompa hızı için sürükleme kademeli 5 eksenli manyetik olarak kaldırılmış turbop pompa. Bwjdpsfyla Aofx Amtep

Durum: işlem için hazır (kullanılmış), Vakum pompası, yağsız vakum pompası, Becker VX4.10, İkinci el makine Üretici: Becker Model: VX4.10 Ağırlık: 16 kg Boyutlar: 420 × 200 × 190 mm Hacimsel debi 50 Hz: 10 m³/saat Mutlak vakum 50 Hz: 100 mbar Güç 50 Hz: 0,37 kW Gürültü seviyesi 50 Hz: 60,0 dB(A) Hacimsel debi 60 Hz: 12 m³/saat Mutlak vakum 60 Hz: 100 mbar Güç 60 Hz: 0,45 kW Gürültü seviyesi 60 Hz: 62,0 dB(A) Bodpfx Aoxh A U Romtowp Ağırlık: 16,0 kg motor ile birlikte

Durum: yeni, ÇEŞITLI SÜRGÜLÜ VANALAR ÇOK FAZLA ÇEŞITLILIK YEPYENİ Bjdpjurk Hcjfx Amtjwp

Durum: ikinci el, güç: 22 kW (29,91 bg), POMPALAR TEROM 22kw Bodpfx Ameuuazbjtswp

Üretim yılı: 2026, durum: yeni, Fonksiyonellik: tamamen fonksiyonel, COLUMBUS PIONEER – Modular Vacuum & Membrane Press with Lifetime Warranty The COLUMBUS Pioneer is the professional solution for joineries and woodworking businesses seeking flexible production and long-term investment security. Ideal for: * Veneering * Laminating/form-pressing * Coating * Thermoforming * Solid surface materials * Curved workpieces Your advantages: * Modular system – expandable at any time Bedpfx Amozhta Detowp * Lifetime warranty on machine structure * Heavy-duty industrial construction * Columbus 360° included: Master Manual + AI support * Premium components from BECKER, FESTO, and SIEMENS * Simple operation and high application safety Equipment: * Quick-change membrane system * Natural rubber membrane up to +130 °C * Pressure regulation 400–900 mbar * Port for external vacuum bag * Robust phenolic resin worktop * Smooth-running swivel castors Available sizes: * L: 3,050 x 1,350 mm * XL: 4,050 x 1,350 mm * XXL: 4,050 x 1,700 mm COLUMBUS has been developing vacuum technology for professional users for 50 years. Viewings and consultations available by appointment.

Durum: yeni gibi (kullanılmış), Üretim yılı: 2025, COLUMBUS MOVE – The space-saving professional vacuum press for maximum flexibility Full performance. Minimal footprint. The COLUMBUS MOVE has been specifically developed for businesses looking to work professionally with vacuum technology—even where floorspace is limited. Thanks to its mobile and space-saving design, the press can be conveniently stored away after use, freeing up valuable workshop space. Ideal for: * Veneering * Laminating into shapes * Coating applications * Curved workpieces * Custom flexible productions Your benefits: * Space-saving MOVE system * Mobile and versatile application * Heavy-duty industrial construction * Lifetime warranty on machine frame * Premium BECKER vacuum pump * Quick-change membrane system * Connection for external vacuum bag * User-friendly operation and high level of operational safety COLUMBUS 360° included: With the practical handbook, master manual, and AI support, you benefit from both state-of-the-art technology and decades of application expertise. Technical specifications: Bwedpfx Aszhr U Tjmtjp * Usable area: 3050 x 1350 mm * Maximum load capacity: 1.0 t * Maximum workpiece height: 600 mm * Vacuum pump: BECKER 40 m³ * Weight: 670 kg Particularly attractive for companies seeking flexible production, while efficiently utilizing valuable workshop space. For nearly 50 years, COLUMBUS has been developing professional vacuum technology for woodworking businesses. Inspection and individual consultation available by appointment.

Üretim yılı: 2026, durum: yeni, COLUMBUS PIONEER – The Modular Professional Vacuum Press for Flexible Joineries More possibilities. More applications. More future-proofing. The COLUMBUS Pioneer is not just a vacuum press, but a well-designed all-in-one system for modern joineries and woodworking businesses. Ideal for: * Veneering * Laminating Formed Parts * Coating * Thermoforming * Solid Surface Materials * Curved and demanding workpieces Why choose COLUMBUS? Many companies discover entirely new applications and additional orders within a short period since the Pioneer makes economically viable what previously had to be declined. Your benefits: * Modular system – grows alongside your business * Lifetime warranty on the machine frame * Heavy-duty industrial construction for decades of use * Columbus 360° included: Practical expertise, Master Manual, and AI-support for maximum application safety Bwedpfxszhr Uyo Amtjp * Premium components from BECKER, FESTO, and SIEMENS * Simple operation and reproducible results Features: * Quick-change membrane system * Highly elastic natural rubber membrane up to +130 °C * Pressure regulation 400–900 mbar * Connection for external vacuum bag * Robust phenolic resin worktop * Smooth-running swivel casters Available sizes: * L: 3,050 x 1,350 mm * XL: 4,050 x 1,350 mm * XXL: 4,050 x 1,700 mm COLUMBUS has been developing vacuum technology for professional users for almost 50 years. Viewing and personal consultation gladly by appointment.

Üretim yılı: 2026, durum: yeni, Fonksiyonellik: tamamen fonksiyonel, Vacuum Press / Membrane Press “Columbus Pioneer” – Available for Immediate Delivery! (Modular system with various versions and usable work surfaces) – now including a digital Master Manual and AI support on tablet for a safe start and reproducible results. The COLUMBUS Pioneer is a professional vacuum and membrane press, suitable for applications such as vacuum form bonding, veneering, coating, and laminating flat or curved workpieces. Thanks to its modular concept, the machine can be adapted to different requirements and is available in various sizes and configurations. Technical Features: • Quick-change membrane system • Gas struts for convenient lid opening • Highly elastic natural rubber membrane (up to +130 °C) • Sturdy phenolic resin worktop, laminated 15 times (up to +120 °C) • BECKER high-performance vacuum pump, 40 m³/h (up to 900 mbar / 9 t/m²) • Optional automatic shut-off upon reaching set pressure • Pressure regulation from 400–900 mbar with analog vacuum gauge • Connection for external vacuum bag • Support feet with smooth-running swivel castors • FESTO pneumatic system and SIEMENS electrical engineering Available Work Surfaces: 3,050 mm × 1,350 mm (Pioneer L) 4,050 mm × 1,350 mm (Pioneer XL) 4,050 mm × 1,700 mm (Pioneer XXL) Configurations/Modular Structure: Bodpozhtbhefx Amtjwp The COLUMBUS Pioneer features a modular design, available in BASIC (classic vacuum pressing for veneering, laminating, and form bonding), HEAT (heating and thermoforming of plastics and solid surface materials), and VERTICAL (processing of taller workpieces and convenient loading/unloading via vertical opening). Modules can be combined or retrofitted according to application needs. COLUMBUS machines are designed for long-term use and manufactured from high-quality industrial components. The robust construction, proven components from leading manufacturers, and precise workmanship ensure a long service life and reliable operation. COLUMBUS offers a lifetime warranty on the machine frame (excluding wear parts). Each COLUMBUS Pioneer is part of the COLUMBUS 360° system. This includes the digital Master Manual with comprehensive practical expertise in vacuum technology as well as Master GPT – an artificial intelligence solution for all questions relating to the machine, applications, materials, and optimal process parameters. The system supports users with setup, operation, and process optimization, and is supplied with a tablet for immediate use.

Üretim yılı: 2026, durum: yeni, Fonksiyonellik: tamamen fonksiyonel, Vacuum Press / Membrane Press “Columbus Infinity” (Vacuum press system for custom lengths with freely definable useful area) – includes digital Master Manual and AI support on tablet for a safe start and reproducible results. The COLUMBUS Infinity is a specialized vacuum press system designed for applications that require particularly long usable surfaces. Upon request, the machine can be configured in the length specified by the customer and is particularly suitable for special laminations, long workpieces, as well as high-throughput series production. The Infinity principle, which gives the machine its name, allows for extremely efficient extension of the usable area in length. In combination with the rolling membrane system and multi-zone extraction, the machine offers high flexibility and precise vacuum control. Only the area of the surface actually in use is vacuum-activated—saving energy and enabling optimal process control. Technical features: • Vacuum table with freely configurable length • Rolling membrane system with manually guided linear carriage • Membrane rolled on a reel for easy unwinding • Patented vacuum buffer storage integrated in the table frame • Multi-zone extraction for targeted activation of individual usable surface areas • Table surface made of 21 mm birch phenolic plywood • Milled vacuum groove for reliable membrane sealing • Robust table base made of welded steel construction • Adjustable machine feet • High-performance vacuum pump with 80 m³/h output Possible usable areas: Width and length are determined individually according to customer requirements. Bedpfszhtbbsx Amtjwp COLUMBUS machines are designed for long-term use and manufactured from high-quality industrial components. The robust construction, proven components from renowned manufacturers, and precise workmanship ensure high durability and reliable operation. Each COLUMBUS Infinity is part of the COLUMBUS 360° System. This includes the digital Master Manual with comprehensive practical knowledge of vacuum technology, as well as Master GPT – an artificial intelligence for any questions concerning the machine, applications, materials, and optimal process parameters. The system supports users in setup, operation, and process optimization, and is delivered complete with a tablet for direct access.

Üretim yılı: 2025, durum: yeni gibi (sergi parçası), Fonksiyonellik: tamamen fonksiyonel, Vacuum Press – Ready for Immediate Use | Excellent Condition | Versatile Application For sale: a high-quality vacuum press in excellent condition – ideal for joineries and woodworking businesses seeking greater efficiency and flexibility. This press enables you to: - perform precise veneer applications - accomplish form gluing - thermoform mineral materials and plastics - work economically even with single pieces and custom solutions What this means for you: Expand your range of services and accept jobs that were previously impossible or unprofitable. Bwjdpjzhr Ugefx Amtsp Technical Details: Vacuum Press Pioneer Vertical L Usable area: 3050 x 1350 mm Frame internal dimension: 3130 x 1430 mm Max. workpiece height: 850 mm Overall dimensions: 3960 x 1640 x 1450 mm Weight: 880 kg Heater Pioneer Heat L Usable area: 2700 x 1100 mm Overall dimensions: 3110 x 1700 x 760 mm Weight: 685 kg Features: - user-friendly operation - low maintenance demand - flexible application options - lifetime warranty (excluding wear parts) - incl. digital operating manual and AI support! Inspection and test run possible at any time.

Üretim yılı: 2025, durum: yeni, Fonksiyonellik: tamamen fonksiyonel, Vacuum Press / Membrane Press “Columbus Pioneer” – Available for Immediate Delivery! (Modular system with various versions and usable work surfaces) – now including a digital Master Manual and AI support on tablet for a safe start and reproducible results. The COLUMBUS Pioneer is a professional vacuum and membrane press, suitable for applications such as vacuum form bonding, veneering, coating, and laminating flat or curved workpieces. Thanks to its modular concept, the machine can be adapted to different requirements and is available in various sizes and configurations. Technical Features: • Quick-change membrane system • Gas struts for convenient lid opening • Highly elastic natural rubber membrane (up to +130 °C) • Sturdy phenolic resin worktop, laminated 15 times (up to +120 °C) Bwedpfjzhr Utex Amtjp • BECKER high-performance vacuum pump, 40 m³/h (up to 900 mbar / 9 t/m²) • Optional automatic shut-off upon reaching set pressure • Pressure regulation from 400–900 mbar with analog vacuum gauge • Connection for external vacuum bag • Support feet with smooth-running swivel castors • FESTO pneumatic system and SIEMENS electrical engineering Available Work Surfaces: 3,050 mm × 1,350 mm (Pioneer L) 4,050 mm × 1,350 mm (Pioneer XL) 4,050 mm × 1,700 mm (Pioneer XXL) Configurations/Modular Structure: The COLUMBUS Pioneer features a modular design, available in BASIC (classic vacuum pressing for veneering, laminating, and form bonding), HEAT (heating and thermoforming of plastics and solid surface materials), and VERTICAL (processing of taller workpieces and convenient loading/unloading via vertical opening). Modules can be combined or retrofitted according to application needs. COLUMBUS machines are designed for long-term use and manufactured from high-quality industrial components. The robust construction, proven components from leading manufacturers, and precise workmanship ensure a long service life and reliable operation. COLUMBUS offers a lifetime warranty on the machine frame (excluding wear parts). Each COLUMBUS Pioneer is part of the COLUMBUS 360° system. This includes the digital Master Manual with comprehensive practical expertise in vacuum technology as well as Master GPT – an artificial intelligence solution for all questions relating to the machine, applications, materials, and optimal process parameters. The system supports users with setup, operation, and process optimization, and is supplied with a tablet for immediate use.

Üretim yılı: 2026, durum: yeni, Fonksiyonellik: tamamen fonksiyonel, Vacuum Press / Membrane Press “Columbus Infinity” (Vacuum press system for custom lengths with freely definable useful area) – includes digital Master Manual and AI support on tablet for a safe start and reproducible results. The COLUMBUS Infinity is a specialized vacuum press system designed for applications that require particularly long usable surfaces. Upon request, the machine can be configured in the length specified by the customer and is particularly suitable for special laminations, long workpieces, as well as high-throughput series production. The Infinity principle, which gives the machine its name, allows for extremely efficient extension of the usable area in length. In combination with the rolling membrane system and multi-zone extraction, the machine offers high flexibility and precise vacuum control. Only the area of the surface actually in use is vacuum-activated—saving energy and enabling optimal process control. Technical features: • Vacuum table with freely configurable length • Rolling membrane system with manually guided linear carriage • Membrane rolled on a reel for easy unwinding • Patented vacuum buffer storage integrated in the table frame • Multi-zone extraction for targeted activation of individual usable surface areas • Table surface made of 21 mm birch phenolic plywood • Milled vacuum groove for reliable membrane sealing • Robust table base made of welded steel construction • Adjustable machine feet • High-performance vacuum pump with 80 m³/h output Possible usable areas: Width and length are determined individually according to customer requirements. COLUMBUS machines are designed for long-term use and manufactured from high-quality industrial components. The robust construction, proven components from renowned manufacturers, and precise workmanship ensure high durability and reliable operation. Bwjdpfx Aezhr Uaemtep Each COLUMBUS Infinity is part of the COLUMBUS 360° System. This includes the digital Master Manual with comprehensive practical knowledge of vacuum technology, as well as Master GPT – an artificial intelligence for any questions concerning the machine, applications, materials, and optimal process parameters. The system supports users in setup, operation, and process optimization, and is delivered complete with a tablet for direct access.

Durum: mükemmel (kullanılmış), Üretim yılı: 2021, çalışma saatleri: 21.000.575 h, Fonksiyonellik: tamamen fonksiyonel, makine/araç numarası: 21000575, Peristaltik Pompa ALLMOVE ASH 15 GN-ID/1, 2021 yılı üretimi, seri numarası: 21000575, çok iyi durumda Allweiler’in ASH serisi peristaltik pompaları, en karmaşık sıvı ortamlarla çalışabilmelerini sağlayan benzersiz bir tasarıma sahiptir. Neredeyse her türlü sıvı veya çok viskoz maddeyi, agresif kimyasalları veya katı/elyaf içeren akışları pompalayabilirler. Bu tip pompalar, farklı özelliklerdeki sıvıların transferinde birçok sektörde etkin ve güvenilir bir çözüm olarak yaygın talep görmektedir. Çalışma ünitesi şu tasarım elemanlarına dayanır: Sıvılar için kalın duvarlı elastik hortum ve akışı presleyip ileten bir ayakkabı/kopçalı rotor. Bu pompalama prensibiyle sıvılarda türbülans veya emülsifikasyon oluşmaz. Kendinden emişli üniteler kolayca kurulup çalıştırılabilir, ayrıca ters yönde çalıştırılabilme imkânı vardır. Tahrik kısmı, bir conta halkası ile sızdırmaz yapılmıştır. Soğutucu madde doğrudan pompa gövdesinde bulunur. Pompalama ortamı: Yüksek viskoziteli, aşındırıcı, katı partikül veya lif içeren, gazlı, agresif kimyasallar. Kullanım alanları: Atık su arıtma, kimya sanayi, kağıt üretimi, gıda endüstrisi, tarım vb. ALLMOVE ASH 15 GN-ID teknik özellikleri • Hacimsel debi: 60 m³/saat’e kadar; • Besleme basıncı (PD): 16 bar’a kadar; • Diferansiyel basınç: 15 bar’a kadar; • Sıvı viskozitesi: 100.000 mm²/s’ye kadar; • Maks. katı parçacık boyutu: 5 - 33 mm; • Maks. lif uzunluğu: 150 - 820 mm; • Sıvı sıcaklığı: 80 °C’ye kadar; • Kurulum: Kuru, yatay, taşıyıcı plakada. Bwodowhmm Hopfx Amtsp Fiyat: 2.900 Euro + KDV, pazarlığa açık, FCA: Oradea/Romanya Hatalar, değişiklikler ve ara satış hakkı saklıdır. İngilizce konuşuyoruz. / Almanca konuşuyoruz. / Macarca konuşuyoruz. / Fransızca konuşuyoruz. / Romence konuşuyoruz.

Durum: mükemmel (kullanılmış), For sale: professional EXpressO vacuum lifter made in Germany. This device is designed for lifting and transporting flat components using vacuum technology. High-capacity model with a lifting capacity of up to 70 kg, equipped with PIAB components and four large suction pads ensuring stable and safe gripping. Bedpfjyvfchjx Amtowp Ideal for handling glass, sheet metal, panels, and other flat elements in industrial and warehouse environments. Technical data: Manufacturer: EXpressO Deutschland GmbH Type: Vacuum lifter Max. lifting capacity: 70 kg Year of manufacture: 2012 Serial number: 2012 003 Model number: 060BLV1502162 Vacuum system: PIAB Number of suction pads: 4 Vacuum gauge included Pneumatic connections Condition: Device in very good technical condition Fully functional, both visually and mechanically Normal signs of use Complete as shown in the photos Applications: Glass and window transport Sheet metal and panel handling Production lines Warehousing and logistics Included: Complete vacuum lifter Control handle Pneumatic installation Shipping: Courier shipping available

Durum: mükemmel (kullanılmış), Satılık, Almanya üretimi profesyonel EXpressO Balance Greifer vakumlu kaldırıcı. Cihaz, düz yüzeyli unsurların vakum yardımıyla kaldırılması ve taşınması için tasarlanmıştır. Ekipman, PIAB vakum sistemi ve dört adet vantuz ile donatılmış olup, parçaların güvenli ve stabil şekilde tutulmasını sağlar. Cam, sac, levha ve diğer düz yüzeyli elemanların taşınması gibi endüstriyel uygulamalar için idealdir. Teknik özellikler Üretici: EXpressO Deutschland GmbH Model: Balance Greifer Kaldırma kapasitesi: 20 kg Üretim yılı: 2012 Ürün numarası: 060BLV114110 Vakum sistemi: PIAB Vantuz sayısı: 4 Bağlantılar: G1 2 Vakum manometresi Durum Cihaz çok iyi teknik durumda Kullanıma bağlı normal izler mevcut Fotoğraflarda görüldüğü gibi eksiksiz Bwedpfx Aeyvd Upjmtop Kullanım alanları Cam ve cam ürünlerinin taşınması Sac ve levha taşınması Depolama ve üretim tesisleri Üretim hatları Teslimat kapsamı Komple vakumlu kaldırıcı Kumanda kolu Pnömatik tesisat

Durum: ikinci el, Bu Kärcher zemin yıkama ve vakum makinesi, Model: B 40Wm, stok boşaltımı Siemens Ruhstorf - ölçüm teknolojisi, elektrik teknolojisi, ofis mobilyaları, ofis donanımı ve daha fazlası için sanayi/makine müzayedemizde çevrimiçi olarak açık artırmayla satılacaktır. Bu ve birçok başka ürünü platformumuzda bulabilirsiniz. Bsdpfjzg Dmfex Amtowp

Durum: mükemmel (kullanılmış), Bir FEZER 016-118 94213 pompa satıyorum Bwedpfsud Ryrox Amtep - Pompa mükemmel durumda. - Kapasite 16m3/H

Durum: yeni, Isıtma sirkülasyon pompası Ürün durumu: yeni Marka: WILO Tip: TOP-S 50/80r Bedsvil Hvepfx Amtjwp Model: 1320990 Bağlantı boyutu: DN 50 Besleme gerilimi: 380V

Durum: iyi (kullanılmış), Üretim yılı: 2013, toplam ağırlık: 560 kg, Pompa teknik verileri: • Üretici: KSB • Tip: ETIC D 65 / 45-1 • Kapasite: Q = 45 m³/saat • Maksimum basma yüksekliği: H = 182,19 m • Üretim yılı: 2013 • Flanş bağlantıları (görsel olarak DN150 – fotoğraflara bakınız) • Sağlam, endüstriyel tasarım Bwodpfxoydv I De Amtsp • Pompa endüstriyel bir tesisten demonte edilmiştir Elektrik motoru: • Üretici: Siemens • Güç: 37 kW • Besleme: 3 fazlı • Devir sayısı: yaklaşık 2950 dev/dak (50 Hz) • Endüstriyel tip, IC411 soğutmalı • Montaj: IM B3 • Motor, pompa ile birlikte şaseye montajlıdır Durumu: • Teknik durumu: kullanılmış • Görsel olarak normal kullanım izleri, gövde çatlağı veya hasarı yok • Şaftlar ve flanşlar tam (fotoğraflarda görülebilir) • Set halinde satılmaktadır: pompa + motor + şase Ek bilgiler: • Endüstriyel uygulamalar için idealdir: proses hatları, enerji sektörü, kimya, proses suyu • Fiyat, 1 adet için belirtilmiştir.

Durum: mükemmel (kullanılmış), Elektrikli Hidrolik Pompa - Güç kaynağı 380V - 7 litre yağ kapasitesi. - 25 Bar Bjdpfevzb Hvsx Amtswp - Çok iyi durumda.

Durum: yeni gibi (sergi parçası), Üretim yılı: 2025, Presleme alanı: 3000 mm x 1500 mm Çalışma vakumu: -0,85 bar Vakum pompası debisi: 40 m³/h Pompa gücü: 1,5 kW Ses seviyesi: 70 Db Isıtma sıcaklığı: maks. 200 °C Isıtma gücü: 16 kW Makine uzunluğu: 3100 mm Makine genişliği: 1650 mm Bwedpsu Egp Isfx Amtep Makine yüksekliği: 1750 mm Ağırlık: 950 kg

Durum: yeni, Üretim yılı: 2025, Masa boyutu: 3500mm x 1500mm Pompa performansı: -0,85 bar depolama tankı: 100l Vakum pompası: Becker Vakum pompası kapasitesi: 40 m³/h Ses seviyesi: 70db'den az Makine uzunluğu: 3600 mm Bwedpomftlysfx Amtsp Makine genişliği: 1650 mm Makine katlama genişliği: 850mm Ağırlık: 480kg

Durum: yeni, Üretim yılı: 2025, Masa boyutu: 3000mm x 1500mm Pompa performansı: -0,85 bar Vakum pompası kapasitesi: 40 m³/h Vakum pompası: Becker Ses seviyesi: 70db'den az depolama tankı: 100l Bwodpeipv Nrofx Amtop Makine uzunluğu: 3100 mm Makine genişliği: 1650 mm Makine katlama genişliği: 850mm Ağırlık: 425kg

Durum: mükemmel (kullanılmış), Üretim yılı: 2008, Busch MM 1252 AV vakum pompası Stokta 3 adet mevcut. Üretim yılı: 2008 Mutlak vakum (P_abs): 100 hPa (mbar) Nominal debi: 250 m³/h Bedpfezhv Azsx Amtjwp