Designed specifically for tank filling
Operates effectively at supply pressures from 10PSIG to 200PSIG
Utilizes standard NPT inlet and outlet
Pressure balancing valves
ANSI 150 lb. or 300 lb. flange connection options available
Supply line filter option available
Self-actuating construction opens automatically to allow flow of fill gas
Set point is not affected by supply pressure
Automatically closes when tank pressure returns to set pressure
Flow rate can be adjusted for tank size because of the wide range of damper sizes available
Product Overview
Precautions for setting nitrogen sealing valve:
1. the nitrogen seal valve unit must be complete and in good working order, with an adequate supply of inert gas.
2. inert gas should be fed into the tank by an efficient delivery method.
3. inert gas must be protected from contamination. The inert gas system should be equipped with suitable dehumidification equipment to maintain the humidity within the absolute minimum.
Specifications
| Model | Connection form | Dimension | Pressure |
| 8110 | Flange connection/pipe thread connection | 1/2"(15), 3/4"(20), 1"(25) | 0.2 to 0.5KPa(2 to 5mbar) |
| 8120 | Flange Connection/Pipe Thread Connection | 1/2"(15)、3/4"(20)、1"(25) | 0.5～2KPa(5～20mbar) |
| 8130 | Flange Connection/Pipe Thread Connection | 1/2"(15), 3/4"(20), 1"(25) | 2～14KPa(20～140mbar) |
| Valve body | Inner part | Spring | Seal | Diaphragm |
| Carbon steel 304 Stainless Steel 316 Stainless Steel |
Specialty Alloys 304 Stainless Steel 316 Stainless Steel |
Stainless Steel | Buna-N FEP Teflon Viton |
FEP |
| Series Designator | Interface | Case Material | Spring Material | Options |
| 8110 8120 8130 |
A.1/2″FNPT/FNPT B.1/2″FNPT/150# flange C.1/2″150# flange/150# flange D.1″FNPT/FNPT E.1″FNPT/150# flange F.1″150# flange/150# flange |
E.Steel B.Stainless steel K.Special material |
B.Stainless steel | 1.Exhaust plug 2.Temperature probe hole 3.Emergency Drain Valve 4.Other accessories 5.Protective coating 6.Special features |
| General Size In |
Specific size (mm) | |||||
| L | D | L D | L D E | A | H | |
| 0.5" 0.75" 1" |
356 | 172 | 42 | 96 | 330 | 449 |
Downloads
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