压差开关是一种特殊的控制开关，它是依据相互部件间的压力差值并依靠电信号进行信息传递控制开关闭合或打开的一类开关。 [1]  总的来说就是利用两条管道的压差来发出电讯号，当系列液管二端的压差升高（或降低）而超过控制器设定值时，发出信号以控制换向阀换向或监视润滑系统。则阀门进而开大（或关小），从而系统液管二端的压差减小，达到系统的正常运行。

压差开关可广泛应用在使用板式换热器、套管式换热器和壳管式换热器的大中小型风冷或水冷冷水机组中作水流量控制及水泵和水过滤器状态的监控。也同时应用于气体检测、非腐蚀性介质、测量绝压、表压，广泛应用在空调和洁净室、风扇和过滤器的吹风控制、流体和液位控制。

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    油压开关    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马格 产品名称1 

heidenhain 572248-11 

BALLUFF BKS-S33M-00 

Schlegel KCM312906B1ag 

DESOUTTER 661.89 

TURCK图尔克 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夹具 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 常闭 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 继电器 AN9843.82/215 3AC50/60HZ 400/690V 

 JUMO久茂 温控仪 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