Spring Bellows Pressure Reducing Valve (GABRV2S)
Product Details
| Customization: | Available |
|---|---|
| Certification: | ISO |
| Temperature: | Ordinary Temperature |
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Basic Info.
- Model NO.
- GABRV2S
- Connection
- Flange/Thread
- Valve Seat
- Single-Seat
- Structure
- Bellows
- Material
- C.S
- Size
- 1"-2"
- Category
- Pressure Reducing Valve
- Connecting Type
- Threaded
- Medium
- Steam., etc
- Working Temperature
- Below 250 Deg C
- Usage
- Pressure Reducing
- Application
- Steam System and Air Compressor System
- Transport Package
- Carton, Plywood Case
- Specification
- ISO 9001
- Trademark
- GOOLE, OEM
- Origin
- China(Mainland)
- HS Code
- 8481804090
- Production Capacity
- 10000PCS/Year
Product Description
Spring Bellows Pressure Reducing Valve (GABRV2S)
Brief Introduction.
This reducing valve is designed in meet of the need of energy saving. It has the characteristics of multi-function and light. You can adjust the pressure by rotating the plastic hand wheel, no need to use tool, the connection and installation is very convenient. The internal structure use corrugated tube, the sealing face has filtering mesh protecting device, which protect the internal parts from damage, and greatly prolong the service life.
Working Principle
In operation the valve will modulate as a result of a downstream pressure signal fed through the sensing orifice in the valve stem . This pressure acts on the control bellows generating a force which is balanced by the compressed control spring.The internal forces generated as a result of both upstream and downstream pressures acting on the area of the valve head are minimized by use of a balancing bellows . A graphite reinforced PTFE bush incorporated in both the pushrod/balancing bellows assembly and bottom cap assembly provides two point guiding.Note:
The maximum upstream pressure is 10 bar and it is recommended that the pressure turn down is limited to about 10:1.
BRV71 Screwed NPT Connections
BRV73 Flanged PN16,ANSI 150 or JIS 10 Connections.
Field of Application.
Product Name: BRV71/73 Direct Acting Bellows Pressure Reducing Valve.Pressure Rating: 1.6- 2.5 Mpa.
Nominal Diameter: DN25-50 mm.
Body Material: Steel, CF8.
Standard Flanges: DIN, ANSI, JIS.
Standard Screwed: NPT,BSP.
Spring Range:0.14~1.7 bar g,1.4~4.0 bar g,3.5~9.0 bar g.
Material of Main Component.
| Name of Component | Material of Component |
| ValveBody, Bottom Cover, Valve Cover | Cast Steel / CF8 |
| Valve Flap,Valve Rod,Valve Seat | CF8 |
| Bellows | 1Cr18Ni9Ti |
| Hand wheel | Heat-resistant Plastic |
| Spring of Main Valve | 50CrVA |
| Adjusting Spring | 60Si2Mn |
| |
| DN | G | A | A1 |
| DN25 | 1 | 134 | 174 |
| DN32 | 1 1/4 | 134 | 179 |
| DN40 | 1 1/2 | 134 | 186 |
| DN50 | 2 | 134 | 186 |
Main Technical Parameters and Indexes of Performance.
| Nominal Pressure | PN1.6 Mpa |
| Tested Pressure of Shell | 2.4 Mpa |
| Sealing Test Pressure | 1.76 Mpa |
| Maximum Upstream Pressure | 1.0 Mpa |
| Maximum Downstream Pressure | 0.9 Mpa |
| Pressure Range of Outlet | 0.014-0.9 Mpa |
| Medium | Water, steam, liquid, air, oxygen, nitrogen, etc. |
| Operating Temperature | 210 |
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