D2 Dom-pressure regulator 37-3111101 Brass for oxygen use free of oil and grease seat and diaphragm off EPDM seat: 26mm Range of control: 0,5 – 5 bar The flange connection: PN 100 DN50 FORM B1 flow direction: from left to right With pressure gauge: inlet?pressure?gauge?:?15?barg,? outlet?pressure?gauge?:?10?barg? de-greasing report (free of oil and grease for oxygen) For above ordered valves HORNUNG D2 Dom-pressure regulator 37-1111101 Brass for oxygen use free of oil and grease single stage 與4M2759是同一個型號 因?yàn)樯洗螆?bào)價(jià)的不銹鋼閥體,法蘭連接的減壓閥價(jià)格實(shí)在是太高了,所以徐燃院想看一下黃銅閥體的,帶壓力表,有法蘭和沒有法蘭的的這兩者的價(jià)格,在其中選一個買兩臺。