HDS600 Series Nitrogen Seal Device
Feature
1. Automatic Pressure Regulating;
2. Pressure Sustaining.
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Parameter
| Type | Fluid Pressure Balanced Spool | ||
| Size Range | 20 ~ 200mm (3/4 “~ 8”) | Face to Face Distance | GB / T12221-2005 |
| Spool Type | Plunger | Body and Bonnet Material | WCB CF8 CF8M CF3 CF3M |
| Flow Characteristics | Fast opening, linear correction | Trim Material | 0Cr18Ni9 (304); 0Cr17Ni12Mo2 (316)
00Cr17Ni14M02 (316L) Above + R.TFE (modified polytetrafluoroethylene) Above + Stellite (titanium alloy for surfacing) |
| Normal Pressure | PN1.0, 1.6, 4.0MPa
ANSI Class 150 300Lb; JIS 10K, 20K, 30K
|
Upper Bonnet Type | HDS600A series standard type -20 ~ 80 ℃ |
| Connection Type | Flange type (RF) | Structure | HDS600H series nitrogen sealing device (Pilotoperation type)
HDS600W series nitrogen sealing device (direct acting type)
|
| Flange Standard | GB / T9113-2000
HG20592-97 (HG / T20592-2009) JB / T79-94 ANSI B16.5
|
Packing | O-ring
(Material: nitrile rubber, fluorine rubber, oil resistant rubber) |
Summary
HDS600 series nitrogen sealing device has nitrogen supply regulating and nitrogen release regulating. It can rely on the pressure change of the medium being adjusted to achieve the purpose of automatic pressure regulating and sustaining. It is mainly used to keep the pressure of the protective gas (usually nitrogen) on the top of the container constant, to avoid direct contact between the material in the container and the air,preventing the material from volatilizing and being oxidized, and the safety of the container;
This series of nitrogen seal device is especially suitable for the air seal protection system of various large storage tanks;
This series of devices are divided into nitrogen release and nitrogen supply.
