Jining Donghong Machinery Co., Ltd

Features:

Thread or welding connection

Unions working in H2S environment per NACE MR0175

Self-locking ACME thread

Quick connection and disconnection

Interchangeable with international standard parts

Pressure proof sealing parts

Identification marks of size and model are printed on the wing nut by die forging, to ensure easy recognition

Working pressure:7MPa~140MPA(1000psi~20000psi)

Nominal bore:1”~5”

Temperature class:-46℃~121℃(Class LU)

Thread type union

Welding type union