sight glass=level gauge glass=borosilicate gauge glass

Offering fine quality sight glass=level gauge glass=borosilicate gauge glass which is made from borosilicate with different product category like three tendons (four grooves), two tendons (three grooves),Plan transparent.The size includes 340 x 34(30) x 17mm,320 x 34(30) x 17mm, 280 x 34(30) x 17mm,250 x 34(30) x 17mm,218 x 34(30) x 17mm,190 x 34(30) x 17mm,165 x 34(30) x 17mm,140 x 34(30) x 17mm, 115 x 34(30) x 17mm.The other size is optional or according to the requirements of customers. Working temperature is 260 to 300 degree C. Working pressure is 4.6 MPa. Packing: inner:white paper box; outer: carton.