VF910 double eccentric butterfly valve - butterfly valve

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Product Description:
PUMASON designed the high-performance double eccentric butterfly valve, a special floating seat design, based on the direction of the pressure source to automatically adjust the seat position, to hold the pressure of the double effect of the valve and increase the life of the valve seat, meet market requirements and air separation experiments, up to 50 million times more life, the valve shaft through a special dust-proof design to prevent the fluid into the valve shaft causing the valve shaft stuck circumstances, butterfly valve type according to different conditions, the choice of stainless steel or other special alloy steel for owners to use, the seat provides a PTFE, RTFE, PEEK, METAL and other materials for the petrochemical, oil refining, air separation, CDA, etc. most of the different conditions of temperature and pressure of the occasion.
Main features:
1.unique structure, double-sided designs hold pressure, the valve strength line: ASME B16.34, API 598
2.a full range of patented compression ring structure
3.are attached to a full range electrostatic guidance device configuration structure
4.meet explosion-proof certified: ATEX 94/9/CE Group II Category 2 GD
5.full-bore fire tests required by API 607
6.Metal Seat Leakage class according to ANSI FCI 70-2-2003 Table 1 CLASS IV
7.in line with the valve shaft oven EPA Method 21 test and TA-LUFT fugitive emissions requirements (OPTIONS)