Sight glass 圆形不锈钢钢化玻璃油镜油标油窗视镜液面计油量计窥液窗 Bodymaterial:stainless; window:tempered-glass; seal ring:NBR/FKM;Working temperature:-10 +120/-20 +250 视镜 本体材质:不锈钢;视窗:钢化玻璃;密封圈:NBR/FKM;工作温度:-10 +120/-20 +250 关键词:圆形不锈钢旋入式钢化玻璃NBR/FKM视窗不锈钢油标油镜油窗油位镜观油镜不锈钢液位计不锈钢视镜观液窗冷视液镜油面镜油位窗窥液窗窥油镜 No SIZE D d L a b c e 1 G3/8 22 9.1 18 4 8 12 2.6 2 G1/2 26 11.6 21.5 4 8 12 2.6 3 G3/4 32 16.1 27 4 8 12 2.6 4 G1 38 22.1 33 4.5 9 13.5 2.6 5 G1-1/4 48 28.1 40 4.5 10 14.5 3.2 6 G1-1/2 55 33.1 47.5 5 11 16 3.2 7 G2 68 43.1 60 5.5 11 16.5 4.5 8 M12 9 M16*1.5 22 9.1 18 4 8 12 2.6 10 M20*1.5 26 11.6 21.5 4 8 12 2.6 11 M22*1.5 12 M24*1.5 13 M26*1.5 14 M27*1.5 32 16.1 27 4 8 12 2.6 15 M30*1.5 36 20.1 30.5 4.5 8.5 13 2.6 16 M33*1.5 38 22.1 33 4.5 9 13.5 2.6 17 M36*1.5 42 25.1 35.5 4.5 9 13.5 2.6 18 M42*1.5 48 28.1 40 4.5 10 14.5 3.2 19 M48*1.5 55 33.1 47.5 5 11 16 3.2 20 M48*2 21 M50*1.5 22 M60*1.5 68 43.1 60 5.5 11 16.5 4.5 21 M60*2