Manual gas valve by the valve body, disc and blind composition. Butterfly worm gear drive, blind manual device. Butterfly vice seal for the three eccentric hard seal structure, blind seal system using a pair of rubber seal ring seal. Gas combination valve has three eccentric eccentric sealing butterfly valve and blind glasses valve dual function, is the ideal gas pipeline cutting device. Nominal diameter (DN) 100 - 1000 Nominal pressure (MPa) 0.05 0.1 0.25 0.6 Test pressure (MPa) Strength 0.075 0.15 0.38 0.90 Seal 0.06 0.11 0.28 0.7 Applicable temperature -20 ℃ - 350 ℃ Applicable medium Industrial gas, hot air, Valve body Carbon steel Seat sealing surface Material Stainless steel Disc seal material Stainless steel Blind seal surface Manganese steel (hard chrome plated) Filler Expanded graphite, Teflon blind Open angle ≈ 80 ° Blind seal Fluoroelastomer , Silicone rubber, nitrile rubber, polytetrafluoroethylene Model DMZ 341X - ①C Note: ①- nominal pressure
Product surface polishing brightness can reach requirements and vibration grinding polishing machine and grinding and polishing materials of choice has a very important relationship, in the choice to choose vibration polishing machine money should clear need to achieve the purpose of the product, determine product desired effect, to choose a suitable vibration polishing machine, only in this way can avoid a lot of problems appearing in the vibration is, So that the product can smoothly play the desired effect
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