After-sales Service: | 1 Year |
---|---|
Warranty: | 1 Year |
Measuring Range: | Medium-pressure Gauge |
Samples: |
---|
Customization: |
---|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
---|
Payment Method: | |
---|---|
Initial Payment Full Payment |
Currency: | US$ |
---|
Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
---|
Suppliers with verified business licenses
The corrosion resistance of the diaphragm pressure gauge
Diaphragm gauge corrosion resistance performance can be assured by the appropriate choice of the wet part diaphragm, flange and sealing gasket materials.seal liquid | pressure part temperature |
density g/cm 3 |
coefficient expansion 1/°C |
Service |
High viscosity silicone oil |
-10~200 °C | 1.07 | 0. 95X10 3 | high temperature |
low viscosity silicone oil | -30~100 °C | 0. 94 | 1.08X10- 3 | ordinary |
glycerin liquor | -5~100 °C | 1.27 | 0. 61X10 3 | food |
Plant Oil | -5~100 °C | 0. 93 | 1.03X10- 3 | food |
fluorocarbon oil | -30~150 °C | 1.93 | 0. 75X10- 3 | oxygen, hydrogen |
Corrosive fluid |
anti-corrosion material | |||||
tin-bronze (QSn6.5-0.4) |
SUS316 | (Ta) | Monel (Ni70Cu30) |
hastelloy (HG) |
PTFE (F4) |
|
sulphuric (H2S04) |
V | D | O | V | V | V |
Nitric (hno3) |
X | V | O | X | V | V |
(HCL) | D | X | O | X | V | V |
Phosphoric (H3P04) |
V | V | O | V | V | V |
acetic (CH3C00H) |
V | V | O | V | O | V |
NaOH | D | O | D | O | O | V |
(Na2CO3) | O | O | O | O | V | V |
NaHCO3 | V | O | O | O | O | V |
CL2 | dry:V wet:X | dry:V wet: X | O | dry:V wet: X | V | V |
Br2 | dry: D wet:X | dry:X wet: D | O | dry:O wet: X | O | V |
NH3 | X | V | X | X | O | V |
Sea water (30%NaCL) |
V | V | O | O | O | V |
Instruction: OBest Dconditional use V_usable X_ unusable |
Suppliers with verified business licenses