Pneumatic diaphragm on the top of oriented single-seat by adjusting the parameters of the pneumatic valve that < / div >

the top pneumatic diaphragm oriented single-seat regulating pneumatic single-seat regulating pneumatic valve, pneumatic valve or manufacturer of regulating pneumatic valve on the market more and more, each of the pneumatic valve design about the same, then adjust the pneumatic valve is good and bad is mainly depends on the design of the pneumatic valve body structure, the internal structure of the pneumatic valve body design is particularly important, we have our own design a series of regulating pneumatic valve model, the most prominent is the WL series pneumatic valve adjustment. W L series regulating pneumatic valve guide to include a series of top cage single-seat pneumatic valve, pneumatic valve and sleeve orientation control are designed to meet the requirements for a variety of conditions, the pneumatic valve with interchangeable pneumatic valve, replace with different sets of pneumatic trims can meet all kinds of process fluid control requirements of the process, greatly reduce spare parts, simplify maintenance training. Description:

technology parameters of pneumatic valve body structure: straight through the large capacity lumen, Angle of inner cavity
pneumatic valve body size: 3/4 '' DN20】 【 1 ~ 2' DN300】
pneumatic valve body material: WCB 【 Carbon steel. 、CF8【 Stainless steel 304. ,CF8M【 Stainless steel 316.
pneumatic valve specifications: American standard specification: 【 ANSIClass150、300、600Lb】 National standard specifications: JB1。 6, 4. 0, 6. 4、10、16MPa】 Japanese standard specifications: JIS10K、30K、40K】
connection: flange type ( F F, F R, R J) Threaded connection type ( For small diameter under 1 ') Welding ( Under the special condition of 2 'for the SW, 2 1/2' below for BW) Pneumatic valve cover form: the standard ( Apply to the temperature was minus 45 ~ 230 ℃) Cooling type ( Apply to the temperature was minus 45 ~ 500 ℃ or higher than 230 ℃) The stretched ( Apply to the temperature was minus 196 - - 45 ℃) Bellows seal type ( Applicable to toxic medium occasion) Clamp cover model ( Suitable for heat preservation occasions) Internal structure:

see the pneumatic control valve selection manual filling material: v-type ptfe, flexible graphite
cushion ring: zigzag washer ( SUS316L, alloy steel) Spiral wound gasket ( S U S 3 0 4 + flexible graphite S U S 3 1 6 + ptfe)
flow feature: the percentage of features, line features and characteristics of quick opening
actuators, pneumatic: more spring type actuator W L series 8 0 0 0, cylinder actuators are W L series 9 0 0 0
electronic: all electronic 8 1 0 3 L series, all electronic P S L series of electric: 0, 3, 4, 1 L series, U N I C Z series
standard closing level: C L A S S I V ( Standard, metal seat) C L A S S V（ Can be selection, soft seat) Flow according to the pneumatic valve body direction. Pneumatic diaphragm above the top of the oriented single-seat regulating pneumatic valve product description only in our factory WL series.