Semi Automatic Gas Changeover Manifold System Manual Changeover Manifold Panel Single Stage Automatic Switchover Board

Specifications
Highlight: gas control panel,  pressure control panel
Max Inlet Pressure:
2200, 3000 Psig
Outlet Pressure Range:
0~25, 0~50, 0~100, 0~150 , 0~250psig
Working Temperature:
-40° F ~+165° F(-40°C+74°C)
Cv:
0.14
Valve Seat:
PU, PTFE ,FCTFE
Body Material:
316L
Diaphragms:
316L
Pressure Gauge Size:
2″
Port:
SHENZHEN
Description
Semi Automatic Gas Changeover Manifold System Manual Changeover Manifold Panel Single Stage Automatic Switchover Board

Gas changeover systems are vital in industries and settings like laboratories, manufacturing, and medical facilities where a steady gas supply is crucial. These systems ensure that when one gas source, such as a cylinder, runs out, the supply switches to another source without stopping the gas flow. Below is an overview of three types: the Semi Automatic Gas Changeover Manifold System, the Manual Changeover Manifold Panel, and the Single Stage Automatic Switchover Board.

– Semi Automatic Gas Changeover Manifold System: This system automatically switches from a primary gas source to a backup when the primary one is empty. However, it’s only “semi-automatic” because it needs manual action to reset or switch back after replacing the empty source. It’s useful in places where occasional manual checks are fine, and a fully automatic system isn’t worth the cost. For instance, it might be used in labs for gases where short interruptions aren’t a big issue.

– Manual Changeover Manifold Panel: Here, an operator must manually switch between gas sources by turning valves or adjusting controls. It’s a simpler, cheaper option but depends on someone paying attention to avoid running out of gas. This system works well for less critical uses where saving money matters more than avoiding brief pauses in supply.

– Single Stage Automatic Switchover Board: This fully automatic system switches between sources and reduces gas pressure in one step. It’s best for simpler setups where exact pressure control isn’t a priority. It’s affordable and easy to maintain, making it great for basic applications.

When picking a system, think about the gas type, flow rate, pressure needs, and safety features like low-pressure alarms. Choosing the right one ensures a reliable, safe gas supply tailored to your needs.

 

Product Details

Place of Origin: Guangdong, China (Mainland)

Brand Name: Jewellok

Certification: CE

Model Number: JW-300

Payment & Shipping Terms

Minimum Order Quantity: 1 – 9 Sets

Price: Negotiable

Packaging Details: Export packing

Supply Ability: 5000 Set/Sets per Week

Product Description
JW-300 Series Semi Automatic Gas Changeover Manifold System Manual Changeover Manifold Panel Single Stage Automatic Switchover Board
It is suitable for high pressure gas cylinders and pressure relief gas supply on both sides,
through the automatic changeover to realize continuous gas supply, with the function of purging.
The maximum input pressure of 20.7Mpa (3000psi), corrosion, clean workshop assembly test, suitable for laboratory, high purity gas such as gas analysis.
Product Specifications

1) Max. Inlet Pressure: 3000, 2200Psi

2) Max. Outlet Pressure: 25, 50, 100, 150, 0~250Psi

3)Working Temperature: -40℃~74℃(-40℉~165℉)

4) Leakage rate: 2 x 10-8 atm.cc/sec He

5)Cv: 0.08

 

Design Features

1) Pressure regulator for special gas

2) Equipped relief pressure valve

3)Pressure regulator and pipe through the pressure test and leakage test

4)2″ stainless steel pressure gauge, reading clearly

5) The knob of diaphragm valves with on/off logo.

Material List
Body material
Stainless steel 316L
Valve Seat
PU, PTFE, PCTFE
Diaphragm
Stainless steel 316L
Inlet connection
1/4″ NPT (F)
Outlet connection
1/4″ NPT (F)

 

ORDERING INFORMATION
Series Function Options Outlet Connection Inlet Connection Body Material Input

Pressure

Outlet

Pressure

Gauge Gas Option
JW-300 Series Semi-automatic Changeover Device 1.With emptying, purging distribution function 1:1/4”NPT(F) 1:1/4″Weldmg S:stainless H:3000psi 1:25psi 1:MPa Blank: None
2.Wrthout Emptying, purging distribution function 2:1/4”Tube fitting 2:1/4”NPT(M) steel M:2200psi 2:50psi 2:Bar/psi N2:nitrogen
3.Emptying. purging distnbuUon+pressure sensor 3:3/8”NPT(F) 3:3/8”Melding C:nickel plated L:1000psi 3:100psi 3:psi/KPa O2:oxygen
4.With pressure sensor 4:3/8”Tube fitting 4:3/8”NPT(M) brass O: Other 4:150psi 4:Other H2:hydrogen
5:Other 5:1/2”NPT(F) 5:1/2”Melding 5:250psi C2H2:acetylene
6:1/2”Tube fitting 6:1/2”NPT(M) 6:Other CH4:methane
7:Other 7:1/4”Tube fitting Ar:argon
8:3/8″Tube fitting He:helium
9:1/2″Tube fitting Air:air
10:Other

Customized manufacturing are supported, so you can contact us for your custom specialty gas delivery system.

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