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Katup Berbagai Aplikasi

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  1. Yoshitake Vacuum Relief Valve VB-7S Series
    Yoshitake Vacuum Relief Valve VB-7S Series
    Mulai

    Rp10.999.900

    0 Ulasan
  2. Yoshitake Pressure Reducing Valve GD-8N SUS316 Screw End Connection
    Yoshitake Pressure Reducing Valve GD-8N SUS316 Screw End Connection
    Mulai

    Rp18.999.900

    0 Ulasan
  3. Yoshitake Pressure Reducing Valve GD-26G Bronze Screw End Connection
    Yoshitake Pressure Reducing Valve GD-26G Bronze Screw End Connection
    Mulai

    Rp7.299.900

    0 Ulasan
  4. SANEI Mini Pressure Reducing Valve (For Stop Cock)
    SANEI Mini Pressure Reducing Valve (For Stop Cock)
    Mulai

    Rp1.699.900

    0 Ulasan
  5. VENN AT1A-F Bellows Type Radiator Trap [Angle]
    VENN AT1A-F Bellows Type Radiator Trap [Angle]
    Mulai

    Rp1.999.900

    0 Ulasan
  6. ACORN CONTROLS Mixing Valves
    ACORN CONTROLS Mixing Valves
    Mulai

    Rp2.399.900

    0 Ulasan
  7. ACORN Mixing Valve Repair Kits
    ACORN Mixing Valve Repair Kits
    Mulai

    Rp5.999.900

    0 Ulasan
  8. Hitachi Industrial Equipment Systems Check Valve for Centrifugal Pump JOV2 Type (Klep Satu Arah)
    Hitachi Industrial Equipment Systems Check Valve for Centrifugal Pump JOV2 Type (Klep Satu Arah)
    Mulai

    Rp4.899.900

    0 Ulasan
  9. SLOAN G2 Optima Plus 8180
    SLOAN G2 Optima Plus 8180
    Mulai

    Rp25.999.900

    0 Ulasan
  10. Home Care Foot Valve
    Home Care Foot Valve
    Mulai

    Rp23.900

    0 Ulasan
  11. Yoshitake Temperature Control Valve OB-30U Series
    Yoshitake Temperature Control Valve OB-30U Series
    Mulai

    Rp29.999.900

    0 Ulasan
  12. Yoshitake Temperature Control Valve OB-2 Series
    Yoshitake Temperature Control Valve OB-2 Series
    Mulai

    Rp47.999.900

    0 Ulasan
  13. Yoshitake Safety Valve AL-260 Series
    Yoshitake Safety Valve AL-260 Series
    Mulai

    Rp13.999.900

    0 Ulasan
  14. Yoshitake Safety Valve AL-150TMLN Series
    Yoshitake Safety Valve AL-150TMLN Series
    Mulai

    Rp9.199.900

    0 Ulasan
  15. Yoshitake Safety Valve AL-140ML Series
    Yoshitake Safety Valve AL-140ML Series
    Mulai

    Rp23.999.900

    0 Ulasan
  16. Yoshitake Pressure Reducing Valve GP-2000 Series
    Yoshitake Pressure Reducing Valve GP-2000 Series
    Mulai

    Rp50.999.900

    0 Ulasan
  17. Yoshitake Pressure Reducing Valve GP-1002 Series
    Yoshitake Pressure Reducing Valve GP-1002 Series
    Mulai

    Rp20.999.900

    0 Ulasan
  18. Yoshitake Pressure Reducing Valve GD-43G-10 SCS14A Flange End Connection
    Yoshitake Pressure Reducing Valve GD-43G-10 SCS14A Flange End Connection
    Mulai

    Rp20.999.900

    0 Ulasan
  19. Yoshitake Pressure Reducing Valve GD-41G Series
    Yoshitake Pressure Reducing Valve GD-41G Series
    Mulai

    Rp34.999.900

    0 Ulasan
  20. Yoshitake Pressure Reducing Valve GD-30S Series
    Yoshitake Pressure Reducing Valve GD-30S Series
    Mulai

    Rp41.999.900

    0 Ulasan
  21. Graco Air Valve Repair Kit
    Graco Air Valve Repair Kit
    Mulai

    Rp4.699.900

    0 Ulasan
  22. GMT Hand Valve
    GMT Hand Valve
    Mulai

    Rp129.900

    0 Ulasan
  23. PROLINE Float Valves
    PROLINE Float Valves
    Mulai

    Rp319.900

    0 Ulasan
  24. VENN Relief Valve [Over 0.5 1.0Mpa]
    VENN Relief Valve [Over 0.5 1.0Mpa]
    Mulai

    Rp15.999.900

    0 Ulasan
  25. VENN Pressure Reducing Valve For Detached House (For Buried Piping) (For Water / Hot Water) RD-46N Type
    VENN Pressure Reducing Valve For Detached House (For Buried Piping) (For Water / Hot Water) RD-46N Type
    Mulai

    Rp4.199.900

    0 Ulasan
  26. VENN Pressure Reducing Valve [1.0-3.0Kpa, Flange, For Low Pressure Gas]
    VENN Pressure Reducing Valve [1.0-3.0Kpa, Flange, For Low Pressure Gas]
    Mulai

    Rp51.999.900

    0 Ulasan
  27. VENN New Standard Compliant Female Union Fitting Set
    VENN New Standard Compliant Female Union Fitting Set
    Mulai

    Rp1.699.900

    0 Ulasan
  28. VENN Fukutaro SCS Safety Relief Valve [Over 0.1 0.2 Mpa, Soft Seat Type]
    VENN Fukutaro SCS Safety Relief Valve [Over 0.1 0.2 Mpa, Soft Seat Type]
    Mulai

    Rp9.499.900

    0 Ulasan
  29. VENN Fukutaro FC/SCS Safety Relief Valve [0.2-0.5Mpa/with Lever]
    VENN Fukutaro FC/SCS Safety Relief Valve [0.2-0.5Mpa/with Lever]
    Mulai

    Rp9.799.900

    0 Ulasan
  30. VENN FCD T-Type Strainer [Flange, Standard 60 Mesh, 1.6Mpa]
    VENN FCD T-Type Strainer [Flange, Standard 60 Mesh, 1.6Mpa]
    Mulai

    Rp6.799.900

    0 Ulasan
  31. VENN FCD T-Type Strainer [Flange 20K/Water/Hot Water/2.0Mpa] 60 Mesh
    VENN FCD T-Type Strainer [Flange 20K/Water/Hot Water/2.0Mpa] 60 Mesh
    Mulai

    Rp9.199.900

    0 Ulasan
  32. VENN FC One-Touch Type T-Type Strainer [Flange/Standard 60 Mesh]
    VENN FC One-Touch Type T-Type Strainer [Flange/Standard 60 Mesh]
    Mulai

    Rp8.599.900

    0 Ulasan
  33. VENN FC Inner Surface Epoxy Resin Painted Water Fall Prevention Valve [0.05-0.35Mp/Flange]
    VENN FC Inner Surface Epoxy Resin Painted Water Fall Prevention Valve [0.05-0.35Mp/Flange]
    Mulai

    Rp119.999.900

    0 Ulasan
  34. VENN FC Inner Surface Epoxy Resin Painted Pressure Reducing Valve [0.05-0.35Mpa/Flange]
    VENN FC Inner Surface Epoxy Resin Painted Pressure Reducing Valve [0.05-0.35Mpa/Flange]
    Mulai

    Rp84.999.900

    0 Ulasan
  35. VENN FC Differential Pressure Relief Valve [Flange/Sealed Circuit]
    VENN FC Differential Pressure Relief Valve [Flange/Sealed Circuit]
    Mulai

    Rp119.999.900

    0 Ulasan
  36. VENN Constant Water Level Valve LP-9Hn Type (For Water, with General Adjustment Mechanism) (Main Body Cac, Nominal Diameter 65 Or More)
    VENN Constant Water Level Valve LP-9Hn Type (For Water, with General Adjustment Mechanism) (Main Body Cac, Nominal Diameter 65 Or More)
    Mulai

    Rp48.999.900

    0 Ulasan
  37. VENN Constant Water Level Valve LP-8Rn Type (For Water, For Cold Regions) (Main Body Fc, Nominal Diameter 65 Or More)
    VENN Constant Water Level Valve LP-8Rn Type (For Water, For Cold Regions) (Main Body Fc, Nominal Diameter 65 Or More)
    Mulai

    Rp34.999.900

    0 Ulasan
  38. VENN Benkei Water Supply Act Compliant Pressure Reducing Valve For Door-To-Door Water Supply
    VENN Benkei Water Supply Act Compliant Pressure Reducing Valve For Door-To-Door Water Supply
    Mulai

    Rp8.199.900

    0 Ulasan
  39. American Standard Angle Valve
    American Standard Angle Valve
    Mulai

    Rp189.900

    0 Ulasan
  40. Paloma 3-Outlet Angle Valve
    Paloma 3-Outlet Angle Valve
    Mulai

    Rp389.900

    0 Ulasan
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Halaman Terkait

  1. foot valve 6 inch
  2. automatic air vent
  3. foot valve 4 inch
  4. foot valve 3 inch
  5. air vent valve
  6. selang air panas
  7. safety valve relief
  8. foot valve
  9. water pressure
  10. foot valve mizu
  11. yoshitake valve
  12. pressure reducing valve yoshitake
  13. air valve
  14. water pressure reducing valve
  15. Water Valve
  16. kran air air
  17. gate valve harga
  18. Gas Solenoid Valve
  19. Bucket Strainer WCB

Pertanyaan Tentang Check Valve Industrial


Apa perbedaan antara swing check valve (ayun) dan lift check valve (angkat)?

Swing check menggunakan disc (piringan) berengsel, ideal untuk fluida cair dan menawarkan pressure drop (penurunan tekanan) rendah. Lift check (tipe piston/bola) ideal untuk gas atau uap (steam) berkecepatan tinggi karena desainnya lebih tahan getaran.

Bagaimana cara menentukan material bodi (Cast Iron, SS316, Bronze) untuk check valve industri?

Pemilihan material bergantung pada korosivitas fluida. Cast Iron (besi cor) untuk utilitas umum (air). Bronze (perunggu) untuk air laut. Stainless Steel (SS316) wajib untuk fluida proses kimia agresif atau aplikasi higienis (F&B).


Produk Pressure Reducing Valve Berkualitas


1. Direct-Acting (Aksi Langsung) / Spring-Loaded

Ini adalah mekanisme paling sederhana. PRV ini beroperasi murni pada keseimbangan gaya.


  • Mekanisme: Sebuah pegas (spring) diatur (melalui adjustment screw) untuk memberikan gaya ke bawah pada diafragma atau piston. Gaya ini membuka valve plug (penutup katup). Tekanan downstream (P2) disalurkan ke bawah diafragma, membuat gaya ke atas.
  • Operasi: Jika P2 turun (permintaan downstream naik), gaya pegas lebih besar, membuka katup lebih lebar. Jika P2 naik (permintaan turun), tekanan P2 mendorong diafragma ke atas, menutup katup.
  • Karakteristik: Respon cepat, desain sederhana, robust (kokoh). Namun, akurasi terbatas dan rentan terhadap droop (penurunan).


2. Pilot-Operated (Digerakkan Pilot)

Ini adalah sistem dua tahap yang lebih kompleks, dirancang untuk akurasi tinggi dan kapasitas aliran besar.


  • Mekanisme: Unit ini menggunakan pilot, yaitu PRV direct-acting kecil, untuk mengontrol katup utama. Pilot mengalirkan fluida bertekanan upstream (P1) ke atas piston atau diafragma katup utama untuk mengaturnya.
  • Operasi: Katup pilot merasakan tekanan downstream (P2) secara presisi. Jika P2 turun, pilot membuka, mengalirkan lebih banyak tekanan P1 ke aktuator katup utama, membukanya lebih lebar.
  • Karakteristik: Akurasi setpoint sangat tinggi (±1%), kapasitas aliran (Cv) besar, dan rangeability (rentang kontrol) sangat baik. Ideal untuk jalur distribusi utama (seperti steam header atau suplai air pabrik).


Tips Memilih Pressure Reducing Valve


  • Analisis Aliran: Koefisien Aliran (Cv) PRV tidak dipilih berdasarkan ukuran pipa. PRV dipilih berdasarkan Cv (Kapasitas Aliran) yang diperlukan. Kalkulasi Cv harus mempertimbangkan:
    • Laju Aliran (Q) - Minimum, Normal, dan Maksimum.
    • Tekanan Inlet (P1) - Minimum dan Maksimum.
    • Tekanan Outlet (P2) - Setpoint yang diinginkan.
    • Media (Fluida) - Densitas atau specific gravity.
    • Oversizing (Cv terlalu besar) akan menyebabkan katup beroperasi pada bukaan sangat kecil, menimbulkan chatter (getaran), erosi, dan kegagalan prematur.

  • Media, Suhu, dan Kompatibilitas Material Material bodi (misal, stainless steel 316 untuk kimia yang bersifat korosif) dan material trim (internal) harus sesuai.
    • Elastomer (Seal, Diafragma): NBR (Buna-N) ideal untuk oli/hidrolik. EPDM ideal untuk air atau steam suhu rendah. FKM (Viton) untuk kimia dan suhu tinggi.
    • Steam Service (Servis Uap): Wajib menggunakan material trim stainless steel hardened (dikeraskan) dan diafragma logam atau graphite packing untuk menahan suhu tinggi dan erosi.

  • Akurasi dan Karakteristik Kinerja Penting untuk mendefinisikan seberapa ketat tekanan downstream harus dijaga.
    • Droop (Penurunan): Fenomena di mana tekanan downstream turun seiring peningkatan laju aliran. PRV direct-acting memiliki droop signifikan. PRV pilot-operated memiliki droop sangat minimal.
    • Lock-Up (Tekanan Statis): Saat aliran downstream berhenti (kondisi zero flow), PRV harus menutup rapat. Lock-up adalah perbedaan antara setpoint saat mengalir dan tekanan downstream saat aliran nol.



Tips Instalasi Pressure Reducing Valve


1. Proteksi Upstream

PRV adalah perangkat presisi. Y-Strainer (Saringan Y) dengan mesh (saringan) halus wajib dipasang tepat di upstream PRV untuk melindunginya dari serpihan pipa, karat, atau weld slag.


2. Bypass dan Isolasi

Instalasi profesional selalu mencakup tiga katup isolasi (gate atau ball valve): satu di upstream PRV, satu di downstream PRV, dan satu di jalur bypass paralel. Ini memungkinkan pemeliharaan (servis) PRV tanpa mematikan seluruh sistem.


3. Jalur Lurus (Straight Runs)

PRV (khususnya pilot) memerlukan aliran fluida stabil untuk merasakan tekanan secara akurat. Dibutuhkan 5-10 diameter pipa lurus di upstream dan downstream valve, bebas dari elbow atau fitting turbulen.


4. Lokasi Sensing Line (Jalur Sensor)

Untuk PRV pilot eksternal, sensing line P2 harus dipasang di downstream, pada titik non-turbulent (biasanya 5-10 diameter pipa setelah PRV), bukan tepat di outlet PRV.


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