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The knife gate valve is a uni-directional wafer valve for general industrial application.
The nominal widths available range from DN050 to DN1200 with flange connections complying with EN 1092-2 PN10 or alternatively, ANSI B16.5.
It is predominantly used in the paper and pulp, chemical, and mining industries, in power station technology and the food industry.
However, the knife gate valve is increasingly being used in biogas plants, sewage treatment plants, and in the sugar, steel and animal feed sectors.
Drive variants offered for the knife gate valve include a manually actuated handwheel model with rising or non-rising stem, or alternatively a hand lever drive unit, or double-and single-acting pneumatic cylinders (spring return) and electric actuators.
The structure of the unidirectional knife gate valves encompasses a so-called wafer style cast monoblock body, with raised face and reinforced ribs for larger nominal diameters for extra body strength.
The monoblock body of the knife gate valves is available in either grey cast iron (GG25) or alternatively in stainless steel AISI 1.4408 (CF8M).
Working pressure KGV type A:
DN 50 to DN 250: 10 kg/cm2
DN 300 to DN 400: 6 kg/cm2
DN 450: 5 kg/cm2
DN 500 to DN 600: 4 kg/cm2
DN 700 to DN 1200: 2 kg/cm2
Standard flange connection:
DIN PN 10 and ANSI B16.5 (class 150)
Others available upon request.
Directives:
DIR 98/37/CE (MACHINES)
DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I, mod. A)
DIR 94/9/CE (ATEX) Group II, Cat. 3: zones 2 and 22
Pulp and Paper
Power plants
Wastewater treatment plants
Chemical plants
Food and Beverage
Bulk handling
Mining etc.
The knife gate valve BV is designed, manufactured, inspected and tested according European Pressure Equipment Directive (PED97/23/EG), category II module A1 and therefore CE marked.
Nominal diameter:
DN 80 - DN 600
Face-to-face:
DIN 3202-K1
Flange drilling:
EN 1092 PN 10
Marking:
DIN EN 19
Tightness check:
ISO 5208, Class A
TAPPI TIS, MSS SP-81
Temperature range:
max. 100 °C
Actuators:
Hand wheel, ratchet wrench, chain wheel, bevel gear, pneumatic cylinder, electric motor, hydraulic cylinder
Operating pressure:
DN 80 - DN 250 10 bar
DN 300 - DN 350 6 bar
DN 400 4 bar
DN 500 - DN 600 2,5 bar
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Our rich offer includes circular sight glasses widely used in several branches of industry (pharmaceutical, chemical, petroleum, food, power) to monitor physical and chemical processes occurring in high pressure tanks. We also deliver gauge glasses in transparent and reflex versions.
Due to unique glass properties such as high chemical resistance sight and gauge glasses are resistant to aggressive chemical substances and sudden temperature jumps (thermal shock). True homogeneity, unique transparency and fineness are just some qualities of transparent glass, due the use of special borosilicate glass in production and toughening it gains extensive chemical, physical and mechanical strength.
Continental Trade offers you quartz glass as well. Our offer includes quartz glass tubes - transparent, matte, ozoneless, UV protective, coloured.. We offer your products from artificial and natural quartz glass, not only tubes, but blocks, sheets and capillaries as well.
All products offered by our company fulfill strict law regulations and technical standards of the European Union. Our main goal is to supply glass in its best quality in all products.
Apart from our highly specialized glass offer we are also capable of supplying innovative sealing products (sheet gasket material, flat gaskets, spiral sealings, metal-plastic gaskets, graphite and leather sealings), as well as industrial fittings (valves, liquid level gauges, complete inspection sights, compensators etc.)
Amongst the most groups of products we bring you mica and micanite – natural material with a wide range of applications and unique isolation qualities. We offer you a wide range of natural and processed mica. Our extremely wide catalogue of products includes micanite blocks, sheets, powder, flakes, paper and tapes
Continental Trade is a well experienced, successful and strongly dedicated trading company that is highly trusted by partners in Poland and in the world. Our mission is to professionally serve our partners by delivering highest quality products.
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