Body material: aluminum alloy,brass,stainless steel
Observation window: tempered glass
Sealing material: NBR/FKM O Ring
Gasket material: Plexiglas gasket
Work temperature:-40 to 100 degree centigrade; -20 to 180 degree centigrade
Bolt size：M14*1.5，M16*1.5，M18*1.5，M20*1.5，M22*1.5，M24*1.5，M26*1.5，M27*1.5，M30*1.5，M30*2，M33*1.5，M33*2，M36*1.5，M42*1.5，M48*1.5，M48*2，M60*2, and British standard:1/4’’.1/2’’,3/8’’,1 1/2’’,1 1/4’’,3/4’’