派克PARKER氣動(dòng)閥MMFS8A05GM5G特價(jià)銷售
派克PARKER氣動(dòng)閥MMFS8A05GM5G特價(jià)銷售
美國(guó)派克PARKER氣動(dòng)閥，PARKER氣控閥
1、氣動(dòng)調(diào)節(jié)閥的工作原理：氣動(dòng)調(diào)節(jié)閥由執(zhí)行機(jī)構(gòu)和調(diào)節(jié)機(jī)構(gòu)組成。執(zhí)行機(jī)構(gòu)是調(diào)節(jié)閥的推力部件，它按控制信號(hào)壓力的大小產(chǎn)生相應(yīng)的推力，推動(dòng)調(diào)節(jié)機(jī)構(gòu)動(dòng)作。閥體是氣動(dòng)調(diào)節(jié)閥的調(diào)節(jié)部件，它直接與調(diào)節(jié)介質(zhì)接觸，調(diào)節(jié)該流體的流量。
2.公稱壓力：(Nominal pressure)，表示符號(hào)PN，在一定溫度下應(yīng)用時(shí)允許的最大工作壓力。對(duì)碳鋼閥體的控制閥，指200℃以下應(yīng)用時(shí)允許的最大工作壓力；對(duì)鑄鐵閥體，指120℃以下應(yīng)用時(shí)允許的最大工作壓力；對(duì)不銹鋼閥體的控制閥，指250℃以下應(yīng)用時(shí)允許的最大工作壓力。當(dāng)工作溫度升高時(shí)，閥體的耐壓會(huì)降低。
例如，公稱壓力為6.4MPa(PN64)的碳鋼控制閥，用于300℃時(shí)的耐壓為5.2MPa，用400℃時(shí)的耐壓為4.1MPa，用于450℃時(shí)的耐壓為2.9MPa。因此，控制閥公稱壓力的確定不僅要根據(jù)最高工作壓力，還需根據(jù)最高工作溫度和材質(zhì)特性，而不僅僅只需滿足公稱壓力大于工作壓力
上海心雨機(jī)電設(shè)備有限公司
聯(lián)系人:陳飛(銷售)
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B53004RS
CMD10-2
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P8V-CR26C
P8V-CR26D
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EV30M1100
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1EV1M310
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P2E-HV32C1
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3EV290V10
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P3KVA13LN
P3KVA14LN
P01913
P3HPA12AZ2AD1A
P3HPA12AS2AD1A
P3HPA12AD2AD1A
P3HPA12AZ2VD1A
P3HPA12AS2VD1A
P3HPA12AD2VD1A
3505500
3505700
P3HKA00MK
P3HKA00MF
P3A-EA11BEBGP
P3A-EA11BEBNP
P3A-EA11CEBGP
P3A-EA11CEBNP
P3A-EA12BEBGP
P3A-EA12BEBNP
P3A-EA12CEBGP
P3A-EA12CEBNP
P3A-FA11CCN
P3A-FA12CCN
P3A-FA11CEN
P3A-FA11BEN
P3A-FA12CEN
P3A-FA12BEN
P3A-LA11ANN
P3A-LA11BNN
P3A-LA12ANN
P3A-LA12BNN
P3A-RA11BGP
P3A-RA11BLP
P3A-RA11BMP
P3A-RA11BNP
P3A-RA11BYP
P3A-RA12BGP
P3A-RA12BLP
P3A-RA12BMP
P3A-RA12BNP
P3A-RA12BYP
P3A-RA12BZP
P3A-CA12BGB
P3A-CA12CGB
P3A-CB12BGB
P3A-CB12CGB
P3A-CS12GMB2CC
P3A-DA12MNN
P3A-DA12NNN
P3A-DA12SGN000
P3A-DA12SGN2CN
P3A-MA1V
P3A-SA12G0N
P3A-KA00ATN
P3A-KA00CWN
P3A-KA00MKN
P3A-KA00MMN
P3A-KA00MPN
P3A-KA00MRN
P3D-KAB1ALN
P3D-KAB1ANN
P3D-KAB1AYN
P3D-EA00KEBGP
P3D-EA00KEBNP
P3D-EA00KEBLP
P3D-EA00LEBGP
P3D-EA00LEBNP
P3D-EA00LEBLP
P3D-EA12KEBGP
P3D-EA12KEBNP
P3D-EA12LEBGP
P3D-FA00KCN
P3D-FA00KEN
P3D-FA00LCN
P3D-FA00LEN
P3D-RA00BGP
P3D-RA00BHP
P3D-RA00BLP
P3D-RA00BNP
P3D-RA00BYP
P3D-RA12BGP
P3D-RA12BNP
P3D-LA00KFN
P3D-AA12LGB
P3D-AN12LGB
P3D-CA12KGB
P3D-CA12LGB
P3D-MA1V
P3D-VA00A0N
P3D-VA00P0N
P3D-KA00CBN
P3D-KA12CPN
P3D-KA13CPN
P3D-SA00G0N
P3D-DA00PQN
P3D-DA00SGN000
P3D-DA00SGN2CN
P3D-DA00BLN
P3D-DA00RLN
P3D-DA00NLN
P3A-KA00MRN
P3D-KA00MWN
P3A-KA00MKN
P3A-KA00MPN
P3A-KA00MMN
P3A-KA00ATN
P3D-KAB1AHN
P3D-KAB1ALN
P3D-KAB1ANN
P3D-KAB1AYN
P3E-FA00KEN
P3E-FA00MEN
P3E-FA00KCN
P3E-FA00MCN
P3E-FA00KAN
P3E-LA00KFN
P3E-RA00BLN
P3E-RA00BNN
P3E-RA00BHN
P3E-EA00KEBNN
P3E-EA00MEBNN
P3E-AA14MGB
P3E-AN14MGB
P3E-CA14KGB
P3E-CA14MGB
P3E-MA1V
P3E-KA12CPN
P3E-KA13CPN
P3E-KA14CPN
P3E-KA16CPN
P3E-KA00CBN
P3E-KA12CAN
P3E-VA00A0N
P3E-VA00P0N
P3E-TA00SGN000
P3E-TA00SGN2CN
P3E-TA00SCN2CN
P3D-KAB1AHN
P3D-KAB1ALN
P3D-KAB1ANN
P3D-KAB1AYN
P3E-KA00MMN
P3E-KA00MSN
P3E-KA00MWN
P3NFA16GSM
P3NFA16GSA
P3NFA18GSM
P3NFA18GSA
P3NFA16DSA
P3NFA18DSA
P3NRA16BNL
P3NRA16BNN
P3NRA16BNH
P3NRA18BNL
P3NRA18BNN
P3NRA18BNH
P3NRA18BPP
P3NLA16LSN
P3NLA18LSM
P3NLA18LSN
P3NEA16GSMBNN
P3NEA16GSABNN
P3NEA18GSMBNN
P3NEA18GSABNN
P3NKB16CP
P3NKB18CP
P3NKB1BCP
P3NKB18CL
P3NKB16CL
P3NKB1BCL
P3NKA00MW
P3NKA0BMW
P6G-ERB2040
P6G-ERB2110
P6G-ERB2140
P6G-ERB2200
LV80BA
1FF33BL
F602G12WJ
F602G16WJ
F602G20WJ
R119G12C
R119G12J
R119G16J
R119G20J
L606G12W
18B57
P6G-ERB2040
P6G-ERB2110