Flow indicator type 3.10 G ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ with indicator flag with return spring, installation horizontally or vertically without return spring, installation: horizontally, only with hanging flag, vertically, direction of flow upwards temperature max 150 oC female end connections on both sides body made of ^ with one soda-lime glass, ^.. scale cover made of ^ internal parts made of CrNiMo-steel Flow indicator type 3.10 DN ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ with indicator flag with return spring, installation horizontally or vertically without return spring, installation: horizontally, only with hanging flag, vertically, direction of flow upwards temperature max 150 oC flanges PN ^ acc to DIN ^ body made of ^ with one soda-lime glass, ^.. scale cover made of ^ internal parts made of CrNiMo-steel Flow indicator type 4.10 G ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ with indicator flag with return spring, installation horizontally or vertically without return spring, installation: horizontally, only with hanging flag, vertically, direction of flow upwards temperature max 150 oC female end connections on both sides body PN ^ made of ^ with two soda-lime glasses, 1 glass with graduated scale 1-10 cover made of ^ internal parts made of CrNiMo-steel Flow indicator type 4.10 DN ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ with indicator flag with return spring, installation horizontally or vertically without return spring, installation: horizontally, only with hanging flag, vertically, direction of flow upwards temperature max 150 oC flanges PN ^ acc to DIN ^ body made of ^ with two soda-lime glasses, 1 glass with graduated scale 1-10 cover made of ^ internal parts made of CrNiMo-steel