Union, by either by the other, by the order
Also known pipe joint or union. Easy installation and removal is a common pipe connectors. Connecting the two pipe fittings, pipe and do not move the two apart for easy maintenance. It contains threaded to head, ball cap and tight three parts.
Union internal sealing surface plane (with pads), sphere, cone, etc.
Wang and the connection pipe is welded, socket weld, thread and the like.
English: HAMMER UNION
Transliteration: hammering union, union, claw
QS wing union for standard working environment and acidic work environment, pressure from 1,000 psi ~ 15,000 psi, size range from 1 "to 8"; all for quick identification union has a unique color-coded; materials meet ASTM standards and AISI standards; and the vast majority of union can manufacturer product exchange; suitable threaded ends, butt weld ends and no pressure seal end links.
Drawing No. Cold Working Pressure (psi / bar) recommended the use of features
100 of 1,000 / 69 sinks and low-pressure pipe coupling economic union
General purpose 200 2,000 / 138 Manifold and line coupling economic union
206 2,000 / 138 corrosive environment O-ring seal, metal seal protection
207 2,000 / 138 standard environment and acidic environment O-ring seal, metal seal protection
General purpose 300 3,000 / 207 standard environmental economic union
General purpose 400 4,000 / 276 standard environmental economic union
602 6000/414 Manifold and line coupling, mud means replaceable lip seal for the acidic environment
607 6000/414 car and hot oil lip seal 602 similar environmental alternative for the acidic environment
1002 10,000 / 690 (4in)