Home > Products > borosilicate glass > Transparent Type Level Gauge Glass for Steam Boilers
Transparent Type Level Gauge Glass for Steam Boilers
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Product Details
Place of Origin: | Hebei, China | Brand Name: | Keen | Model Number: | Transparent and reflex |
Product Description
Specifications
1. materials:borosilicate 3.32. temperature:260c
3. Three reflex, four grooves
4. Very clear, No bend
5. Acid-resistant
Alias:
Also named Sight Glass,Reflex Glasses,Level Gauge Glass,Spares for level gauge,
Boiled Gauge Glass,Boiled Parts,ect
Material: Its made from Borosilicate
Usage:
it is used in lever gauge in boiler for water position.
1. Appearance | |
Air bubble | Diameter≤0.5mm, in the 10mm x 10mm area the quantity must be ≤3.Diameter from 0.5mm to 1.5mm dispersive air bubble, there is less 2 on the sight plane and less 5 on the No-sight plane. Their distance must be 40mm. On the sight plane, The distance to the side in 7.5mm,the air bubble of the diameter1mm mustnt be more 2mm. |
slag and scrap iron | The glass dont allow slag and scrap iron, etc. impurity. |
Stripe | dont allow have palpable filaceous and pectinate stripe on the sight plane. |
Cockle | In the side face, dont allow have the cockle of depth1mm. |
Crack | dont allow have crack |
Scrape | On the sight plane and in the 7.5mm to edge, the scrape of less than 10mm dont allow more 2 strips. |
sight plane | The sight plane must be polishing, and sealing side must be rubbing and polishing |
2. Color and Lustre
| It should be no color and transparent,and with its self tine green is allowed. |
3. Water-resistance | Cooked in the water for 5 hours, then weigh up, then titration with 25ml 0~31ug/g |
4. Alkali-resistance | Cooked in the 0.5N NaOH for 3 hours,then Weigh up,weightlessness should be ≤75mg/dm2 |
5. Temperature-resistance impacts capability | Put it into electric cooker, keep for 7min under the temperature of 260±1, then, put into the water of 20±1,it should not crack |
6. Bend-resistance | ≥80MPa |
1)Thermal Stability
Plane-type 260 ° C
Trough-type 260 ° C
Tube-type 200 ° C
Single slot-type 200 ° C
Prism-type 200 ° C
2)Compressive strength (pressure test)
Plane-type 6.27 MPa (64Kgf/cm ²) 8.33 MPa (85Kgf/cm ²)
15.68 MPa (160Kgf/cm ²) 31.36 MPa (320Kgf/cm ²)
Trough-type 4.41 MPa (45Kgf/cm ²)
Tube-type 1.57 MPa (16Kgf/cm ²)
Single slot-type 2.45 MPa (25Kgf/cm ²)
Prism-type 2.45 MPa (25Kgf/cm ²)
3)Chemical Stability:
Water resistance: <=0.5mg/dm ²
Acid resistance: <=0.5mg/dm ²
Alkali: <=80mg/dm ²
Transparent Type:
340 x 34 x 17mm; 320 x 34 x 17mm; 280 x 34 x 17mm;
250 x 34 x 17mm; 218 x 34 x 17mm; 216 x 34 x 17mm;
190 x 34 x 17mm; 165 x 34 x 17mm; 215 x 34 x 22mm;
218 x 38 x 23mm; 190 x 38 x 23mm; 165 x 38 x 23mm;
The other size is optional or according to the requirements of customers.
Working temperature: 260 °C, Working pressure: 8.0MPa
Reflex type:
Three reflex (four grooves)
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;
400 x 34 x 17mm; 370 x 34 x 17mm; 300 x 34 x 17mm;
400 x 34 x 17mm; 370 x 34 x 17mm; 300 x 34 x 17mm;
The other size is optional or according to the requirements of customers.
Working temperature: 260 °C, Working pressure: 4.0MPa.
Two tendons (three grooves)
340 x 34 x 17mm; 320 x 34 x 17mm; 280 x 34 x 17mm;
250 x 34 x 17mm; 218 x 34 x 17mm; 190 x 34 x 17mm;
165 x 34 x 17mm; 140 x 34 x 17mm; 115 x 34 x 17mm;
280×34×22mm; 280×28×17mm; 250×34×20mm; 250×34×22mm;
The other size is optional or according to the requirements of customers.
Working temperature: 260°C, Working pressure: 4.4MPa.
We are the professional supplier of the Borosilicate Gauge Glass. Our quality is very good.
Contact Us
- Hengshui Keen Rubber And Plastic Products Trade Co., Ltd.
- Contact nameElla Wu
- Phone0086-318-13323183230
- AddressWest Shengli Road Hengshui,Hebei
borosilicate glass | gasket sheet | hydraulic hose | Machines |
medical | metal corrugated pipe | New Products | Others |
PVC/PU Hose | Rubber hose |
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