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Wafer Butterfly Valve

Ditambahkan pada : May 26th, 2017
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Stock : Tersedia
Kode Produk :
Dilihat : 84 kali
Kategori : Butterfly Valve


Wafer Butterfly Valve  dengan liner tetap memiliki konsep tempat duduk luar biasa. Karet adalah injeksi dibentuk secara langsung pada katup tubuh yang membentuk ikatan yang permanen. Akibatnya, ada tidak ada risiko deformasi atau dislokasi kapal membuat katup cocok di bawah kondisi hampa udara. Kombinasi dari disk diprofilkan Edge dan AVK karet kualitas yang sangat baik memastikan daya tahan maksimum dari kapal.

 

Spesifikasi : 

  •  Bonded vulcanized liner of drinking water approved EPDM with an excellent compression set and thus ability to regain its original shape
  •  Streamlined disc with minimum flow resistance
  • Profiled disc edge requires minimal deformation of the liner to achieve tight sealing, and results in less wear of the liner
  • Disc, shaft and conical pin of duplex steel in DN≤200. Disc of rilsan coated ductile iron, and shaft and conical pin of stainless steel in DN≥250
  • Shaft bearings of PTFE coated steel
  •  Top shaft sealing: DN≤350: Bronze bushing with two EPDM O-rings, DN≥400: EPDM O-ring in bushing fixed with countersunk screws of galvanized steel
  • Bottom shaft sealing: DN≤350: Plug of galvanized steel with a copper sealing ring, DN≥400: Axial bearing and ring of alubronze and an EPDM O-ring, protected by a cover plate of galvanized steel
  • Low torques as a result of the profiled disc edge and fixed liner design • Ductile iron body with 200 μ epoxy coating blue RAL 5017

 

Standards:

  • Face to face according to EN 558 table 5 basic series 20
  • End connection to EN1092-2 PN 6/10/16, AS2129 TabD/E,ASMEB16.5 Cl. 150 Test/Approvals:
  • Hydraulic test according to EN 1074-1 and 2 / EN 12266.
  • Approved according to DIN-DVGW Certificate NW-6201AP2412
  • Approved according to KIWA Certificate K 6070/05
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