壓力開關(guān)
壓力繼電器有柱塞式、膜片式、彈簧管式和波紋管式四種結(jié)構(gòu)形式。
     當(dāng)從繼電器下端進(jìn)油口3進(jìn)入的液體壓力達(dá)到調(diào)定壓力值時，推動柱塞2上移，此位移通過杠桿放大后推動微動開關(guān)4動作。
     改變彈簧1的壓縮量，可以調(diào)節(jié)繼電器的動作壓力。
HED8OH-2X/100K14AS 
HED8OH-2X/100K14AS 
HED8OH-2X/100K14AS
HED8OH-2X/100K14AS 
HED8OH-2X/100K14AS 
HED8OH-2X/100K14AS
HED8OH-2X/100K14AS
HED8OP-2X/350K14
HED8OP-20/350K14
HED8OA-2X/350K14
HED8OA-20/350K14
HED8OP20/100K14S
HED8OH20/100K14AS
HED8OP20/50K14S
HED8OH20/100K14KS
HED8OP20/350K14
HED8OA20/200K14AS
HED8OA20/200K14V
HED8OH20/350K14AS
HED8OP20/200K14AS
HED8OA20/350K14SV
HED8OP20/100K14AS
HED8OH20/100K14A
HED8OA20/50K14KS
HED8OH20/200K14S
HED8OH20/100K14
HED8OH21/50K14KS
HED8OH21/50K14
HED8OA21/50K14
HED8OH-21/200K14V 
HED8OA-21/100K14 
HED8OH21/200K14A
HED8OH21/200K14
HED8OH21/100K14V
HED8OH21/100K14S
HED8OA21/200K14KS
HED8OP21/200K14S
HED8OA21/350K14KS