Bellows seal small single-seat pneumatic valve adjustment

small single-seat regulating pneumatic valve bellows seal product introduction
bellows seal small single-seat regulating pneumatic valve, pneumatic valve cover adopt wave tube lines on the sealing structure, can eliminate process medium pneumatic valve stem from the possibility of a leak outward movement clearance, this is one of the notable characteristics of pneumatic valve, bellows seal because of the corrugated pipe deformation element itself and its aging resistance, the electric single-seat regulating pneumatic valve completely overcome the packing seal pneumatic valve usually packing aging and temperature sensitive weaknesses. Secondly, using the corrugated tube packing double sealing structure, better safety and reliability. Therefore, it is highly toxic, corrosive, radioactive and other special medium rare is widely used in automatic control system. Electric control pneumatic valve spring type diaphragm actuator, its compact structure, big output force.
small single-seat regulating pneumatic valve bellows seal leakage in main performance
: metal pneumatic seat: ANSIB conform to the standards. Level IV, less than the rated Cv. %;
soft pneumatic seat: ANSIB conform to the standards. Ⅵ level, less than the rated Cv - ; Pneumatic valve core:
quick opening is less than the rated Cv -
return difference: % ( Take positioning device; % ( Without a positioning device linear:
(+ / - % Take positioning device; ±% ( Without a positioning device
note: v-type ptfe packing with a standard.
bellows seal small single-seat regulating pneumatic valve pneumatic valve components within the
pneumatic valve core type: single-seat plunger type pneumatic valve core
flow feature: the metal seal - - Such as percentage of features, % CF and linear features, LCF, Cv value from. Accord with IEC - - the high precision of flow characteristics - Standard
flow characteristic: soft seal - - Such as percentage of features, % TF and linear features, LTF
material: stainless steel ( CrNiTi、CrNiMoTi、- PH, Cr, L too, alloy, stainless steel welding company
bellows materials such as: CrNiTi, CrNiMoTi, L
bellows seal small single-seat regulating pneumatic valve actuator
style: more than HA film
actuator diaphragm spring material: ethylene propylene rubber nylon fabric, nitrile rubber clip to nylon fabric range:
spring ~ ~ Kpa,
gas supply pressure: ~ Kpa
air interface: RC/'
temperature: - ℃ ~ +
China pump pneumatic valve network 'adjusting the pneumatic valve supplier recommendation:'

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