sight glass 圆形钢高温烧结玻璃法兰式视窗油窗油标视镜液面计窥视镜油量计 body material:steel nichel-plated; window:high temperature sintering glass; reflector:stainless steel; working temperature:-30 +200 视镜 本体材质：钢；视窗：高温烧结玻璃； 反光板：不锈钢；工作温度：-30 +200 关键词：圆形钢高温烧结玻璃不锈钢反光板法兰式视窗油标油镜油窗油位镜观油镜钢液位计钢视镜观液窗钢制冷视液镜油面镜窥液窗镜液位油位镜窗窥液窗油位窗 a:representative flange b:representative convex of flange(seal of gasket) c:representative concave flange(o-ring of gasket) no d d1` d3 h r o-ring stlye rl001 60 48 25 7.3 3-6.7 32.5*2.65 a.c rl002 85 68 45 9 4-9 50*2.65 c rl003 90 90 45 10 4-9 51.5*2.65 c rl004 110 120 50 12 6-11 63*3.55 a.c rl005 140 120 80 14 6<8<11 92.5*3.55 a.b.c rl006 160 140 100 14 10-16 129.4*5.7 a.b.c rl007 230 190 100 20 10-16 / a rl008 230 190 150 20 10-14 / a