Super High pressure Stainless Steel Type Double Window Sight Glass

Tempered borosilicate sight glass for Boiler water level gauge

Transparent flat type high borosilicate glass

Maximum allowable pressure: ≤160kg/cm²

Expansion factor: 3.3

Heat stability: ≤300 ℃ Heat-resistant temperature:≤450 ℃

Acid and alkali Resistance: Test according to GB-6581, First Grade

Reflex flat 3 line 4grooves high borosilicate glass

Maximum allowable pressure: ≤70kg/cm²

Expansion factor: 3.3

Heat stability: ≤300℃ Heat-resistant temperature:≤450 ℃

Acid and alkali Resistance: Test according to GB-6581, First Grade

Graphite gasket with SS316 steel plate structure

Size: 280*34*2mm

Max. temp: 500 degree C

size # 7, made of 99% pure graphite,

density of 701 lb/ft3 (1121.4 kg/cm3), with a melting point of 3315.56 °C (6000 °F), And a compressive strength of 1687.37 kg/cm3 (24000 psi)

steel layer material: SS316

Item	Technique requirements	Sample test result	Quality
Compression ratio %	15-35	30.3	Qualified
Compression resilience ratio %	>=20	20.5	Qualified
Seal leakage cm³/s	<1.0 x 10^-3	0.49 x 10^-4	Qualified

Aluminosilicate Glass

Material:Resistance to high temperature and high pressure aluminum silicon glass

Size:

80*21*17, 80*24*21, 108*24*17, 108*24*21, 118*24*17, 118*24*21, 130*24*17, 130*24*21, 130*26*19, 140*34*17, 160*34*17, 165*34*17, 190*34*17, 218*34*17, 220*34*17, 250*34*17, 265*26*19, 280*34*17, 320*34*17, 340*34*17, 370*34*17, 400*34*17

Main performance index:

Flexure strength: 280MPa

Compressive strength: 2800kg/cm2

Softening temperature: ≥ 900ºC

Coefficient of thermal expansion: 42-50 * 10^-7/ k

Thermal stability: ≥200ºC or higher

Working conditions: the highest working temperature 500ºC

Working pressure: the maximum working pressure ≤ 22.5 MPa

Packaging & Delivery

Packaging Details: 1,Glass film processing;External wooden packaging, Glass are to be paper or expandable polyethylene pearl Cotton (EPE) packed in strong seaworthy wooden crates.
2.Wooden crates worthy for ocean and land carriage.

Delivery Time

shipped in 3-20 days after payment