壓差開關(guān)是一種特殊的控制開關(guān)，它是依據(jù)相互部件間的壓力差值并依靠電信號進行信息傳遞控制開關(guān)閉合或打開的一類開關(guān)。 [1]  總的來說就是利用兩條管道的壓差來發(fā)出電訊號，當系列液管二端的壓差升高（或降低）而超過控制器設(shè)定值時，發(fā)出信號以控制換向閥換向或監(jiān)視潤滑系統(tǒng)。則閥門進而開大（或關(guān)?。瑥亩到y(tǒng)液管二端的壓差減小，達到系統(tǒng)的正常運行。

壓差開關(guān)可廣泛應(yīng)用在使用板式換熱器、套管式換熱器和殼管式換熱器的大中小型風冷或水冷冷水機組中作水流量控制及水泵和水過濾器狀態(tài)的監(jiān)控。也同時應(yīng)用于氣體檢測、非腐蝕性介質(zhì)、測量絕壓、表壓，廣泛應(yīng)用在空調(diào)和潔凈室、風扇和過濾器的吹風控制、流體和液位控制。

GARANT    M6*1*80 135100-M6 

Burkert 0142A25 0 EPDM PV D32 

Heidolph Elektro GmbH & Co. KG  TYP 832.113.0029 (AC230V 50HZ 42W) 

suco    油壓開關(guān)    0184-45703-3-003 

KUKA 00-134-217 KR16 

parker  G5-5-1E13S-20R 

POGGI PL 40 RPP 8 30-3F ;BU.D38% 

vickers DG4V-3-2A-M-U-H7-60+plug with light 

GESSMANN UGE2-75-10 75:1 

BURGESS V4NT7UL 

REXROTH DB10-2-5X/100U 4WRTE25W6-350L-4X/6EG24K31/F1M LFA25DB2-7X/050 

josef mehrer 7212 

cee norm 32-6H 380-415V 3P TYP 283 

Setra P/N:2091016BG2M11H2 SN:2310 4319501 

 bucher DIRECTIONAL VALVE SOLENOID SWI 100029894 LVS08DD4A5BJ21A00B-AA/PA=PB= 

DESTACO DOUBLE?ROD?CYLINDER|86D60-104D800A 

sun A711-052-G01 

MAKINO Z292O0101020 

Murr 7000-78081-0000000 

DEMAG馬格 產(chǎn)品名稱1 

heidenhain 572248-11 

BALLUFF BKS-S33M-00 

Schlegel KCM312906B1ag 

DESOUTTER 661.89 

TURCK圖爾克 6627956;CABLE3x0.34-SH-PUR-BK-100M/TXL ;313 

B&R Industrie-Elektronik GmbH 8AC122.60-4 

Multi-Contact 18.9005 

rexroth R901081737 

TOPWORX LEVERLESS LIMLT SWITCH SPDT 4A 120VAC 3A 24VDC RESISTIVE SERIAL NO. 131004-A MODEL NO. 35-13319M 

Jahns-Regulatoren GmbH JPSM15000-P4C-226-WRC65;5005ME071-8 

VOGEL 1607PSG20304/00/00A,24-3720-3625 

MICRO DETECTORS FA19/LP-2AFC 

PHOENIX 5439455 

HAAKE 703-00487 

Sommer-Technik BK1030-02  

  kral BSM89 (Pos.-Nr.668) for KRAL pump M 54.48 

NORD SK 90L/4 BRE20 HL 1.5KW 

GUTEKUNST D-252A-40 

SCHUNK夾具 0364422SRU-plus50-W-180-3-8-EX 

kuebler 8.5020.DA1A.1024.0050 

TR MP-060-PB-MDI001 ART.510-40003 SN.0528 

INFICON GmbH  Ecotec E3000 230V Nr:530-001 

LORENZ K25-2kN 

rexroth MKD071B-035-KPI-KW 

LECHLER  Model: 664.886.5E/Base: 066.410.5E/nut: 065.600.5E/material: PVDF/injection angle: 80 ??/flow: 17.4L/min/pressure: 3bar 

STOBER MDS5110A/L 55406 s/n:8011704 

schmersal AZM 170-02zka,Ui 250V IP67,24VAC/DC,40-60HZ 

NEUTRIK NP3X-B 

VAHLE (VAHLE)U10/25C-6000PH-B 

heidenhain ERN 1387.020-2048 ID:385487-03/ L3 SN:28 441 127C 

Hengstler R158-TD/250ED.37KX-CO-S 

TRAFAG GmbH sensors & controls 900.2377.906.38.G1/2 

  EGE P40010 ，KGM 015 WO 

Transfluid 34CCKRB B.O.M:3098 NH005 

    GOLDAMMER NTR70-SR45-K2-A-VM-L370-03 L1/250/S-L2/150/S-L3/50/0 

ERMETO GE20SRCF 

ETH 109DRWPL-I-0,1-n            

Lincoln EG41/60/0-40MPa/G1/4/CBM/FF 

setra 600751 

FLECK Fleck5600st 

COAX(） VFK-H15 NBR密封 常閉 PN160 

hydac FSK-176/2.4/0/-/12 

Diametral V140R50D 

KEB L108000720046014 

Micro-Epsilon WDS750-P60-SR-U 

Weidmueller    COUPLING RJ45 - RJ45, IP20, CAT.6 (ISO/IEC 11801),8879050000 

DOLD 繼電器 AN9843.82/215 3AC50/60HZ 400/690V 

 JUMO久茂 溫控儀 70 2044/99-999-000-23/210.061              

Brinkmann KC31+U012+195/no:0402053478 

BALLUFF BTL5-E10-M1200-B-KA10 

INTERNORMEN 01.E.320.25VG.16.E.P 

Maedler GmbH 10123800 

sames Z125271176 

HOFFMAN ENCLOSURE, 316SS, NEMA 4X A48HS3712LP 

Wolfgang Warmbier Ringelektrode inkl.Zertifikat DE/EN 7220.880.KA 

Phoenix 3030174 

INA INA 87 XOARWU 35DH FE 

CONZELLA 843MK4 

SIKO DA02-02-30-0-E-10-O-A 

ANSALDO AT636S18??1500V??1850A 

 JUMO久茂 -4-SA | 50038539 | TERMINATOR |              

HAHN+KOLB 31154120 

balluffBTL5-E10-M0600-P-S32 

Temperaturmesstechnik Geraberg GmbH PT100 2-116948 

STRACK Z5140-0 （Mould 5-009) 

bucher PRESSURE RELIEF VALVE 400550077 DDPC-1L-4-42-H-2 

Schneider XVB-C33 

 JUMO久茂 608520/2110-818-02-2000-843-8-105-96-46-485-              

HBE Softex 28/38.18-38x60 GG 

ZIEHL-ABEGG    RH35B-2EK.6N.2R 125999 

heidenhain 548139-01 IDP182 

GPP GPP-DLM-120-R,4011000195 

CLEMESSY 100754 

Holmatro JJ5013 

HIMA F6217-J 

nass 0550 00-1-00/4982 

Improbond Artikel-Nr.03_9400_06S 

buehler OLFB-10413-001 

balluff BTL5-E17-M0225-P-SA225-KA02 

LENZE GST09-2M VCK 132-22 

CONTRINEX瑞士科瑞 LLK-4150-000 

demag KBA 71 B4G NO71724675 

Stuebbe SUS304-15A 

JAHN SAG16/R1/2-SCH5 255714200000 

AIRON  R1127-010 JRP.1 

ganter DIN179-B20-20-A 

BACHMANN CS200/N 

VAHLE KDST 250/25 

AVTRON HS9AS1Z23WU2X933 

Rexroth R480223067 

Rexroth please see the mail 

LINMOT 0150-1735 

heidenhain 727222-57 

beckhoff KL2622 

 PHOENIX PC 5/ 2-G-7,62 BD:L+,L+ 

STAHLWILLE 50 20 00 81 

OR(Officine Rigamonti ) Model No.:TMG250.A.15.A05.T0.XX; Part no : F.84630.1 - 2 

COAX(） 112918+113548 

balluffBCC M425-0000-1A-004-PX0334-030 

Gestra RK44 PN16 DN 80 mit 300mbar feder