Straight Threaded Valve Cga320
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Product Highlights
- High Temperature Resistance: Designed to operate safely under high temperature conditions for CO2 gas applications.
- ISO and CE Certified: Meets international safety and quality standards with ISO and CE certifications.
- Brass Construction: Durable brass material ensures longevity and corrosion resistance for gas cylinders.
- Spring Diaphragm Structure: Features a spring diaphragm design for precise flow regulation and control.
- CGA320 Outlet Thread: Standard CGA320 outlet thread ensures compatibility with CO2 gas cylinders.
- Low MOQ Acceptance: Accepts small orders with a Minimum Order Quantity of just 50 pieces.
- Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.
Product Attributes
- Customization
- Available
- Certification
- ISO, CE
- Temperature
- High Temperature
- Model NO.
- CGA320
- Connection
- Thread
- Valve Seat
- Single-Seat
- Structure
- Spring Diaphragm
- Material
- Brass
- Item
- Straight Threaded Valve Cga320
- Mat.
- Brass
- Use
- for CO2 Gas Cylinders
- Transport Package
- Ctns
- Specification
- CGA320
- Trademark
- MT
- Origin
- China
- HS Code
- 84819010
- Production Capacity
- 30, 000PCS/Month
Product Images of Straight Threaded Valve Cga320
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Product Description
*Referenced main specs on carbon dioxide Valves CGA320:
-1)Suitable Medium: CO2;
-2)Working Pressure: 15Mpa
-3)Nominal diameter: DN7mm
-4)Outlet joint thread: CGA320,
-5)Joint thread to cylinder: 3/4-14-NGT, PZ27.8(to-be-confirmed).
-6)Safety device: 21± 1.5Mpa..
A valve is a device that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically valves fittings, but are usually discussed as a separate category. In an open valve, fluid flows in a direction from higher pressure to lower pressure.

The simplest, and very ancient, valve is simply a freely hinged flap which drops to obstruct fluid (gas or liquid) flow in one direction, but is pushed open by flow in the opposite direction. This is called a check valve, as it prevents or "checks" the flow in one direction.
Valves have many uses, including controlling water for Irrigation, industrial uses for controlling processes, residential uses such as on / off & pressure control to dish and clothes washers & taps in the home. Even aerosols have a tiny valve built in. Valves are also used in the military & transport sectors.
Gas cylinder valves are found in virtually every industrial process, including water & sewage processing, mining, power generation, processing of oil, gas & petroleum, food manufacturing, chemical & plastic manufacturing and many other fields.
| NO. | Type No. | Produce Name | suitable Medium | PN (Mpa) |
DN (mm) |
Outlet thread(mm) | Jiont Thread to cylinder (mm) |
Temp./Pressure of safety device |
| 1 | CGA200 | Brass neddle type cylinder valve for C2H2 | C2H2(acetylene) | 3 | 3 | CGA200 | 3/8-18-NGT | 100deg±5deg |
| 2 | CGA300(QF-70) | Brass neddle type cylinder valve for C2H2 | C2H2(acetylene) | 3 | 4 | .825-14NGO-RH | 3/4-14-NGT | |
| 3 | CGA320 | Brass flapper type cylinder valve for CO2 | CO2 | 15 | 4 | CGA320 | 3/4-14-NGT | 21±1.5 |
| 4 | CGA326 | Brass flapper type cylinder valve for N2O | N2O | 15 | 4 | CGA326 | GB8335 PZ27.8 | 21±1.5 |
| 5 | CGA350 | Brass coupling type cylinder valve for CO2 | CO2 | 15 | 7 | CGA350 | 3/4-14-NGT | 21±1.5 |
| 6 | CGA510(QF-72) | Brass coupling type cylinder valve for C2H2 | C2H2(acetylene) | 3 | 4 | Female Thread CGA510 | 1-11 1/2 -NGT | |
| 7 | CGA510-1(QF-71) | Brass flapper type cylinder valve for C2H2 | C2H2(acetylene) | 3 | 4 | Female Thread885-14NG0-LH | 3/4-14-NGT | |
| 8 | CGA520 | Brass neddle type cylinder valve for C2H2 | C2H2(acetylene) | 3 | 3 | CGA520 | 3/8-18-NGT | 100deg±5deg |
| 9 | CGA540 | Brass flapper type cylinder valve for O2(oxygen) | O2,N2,Air | 15 | 4 | CGA540 | 3/4-14-NGT | 21±1.5 |
| 10 | CGA555 | Brass flapper type cylinder valve for N2 | N2,O2,Air | 15 | 4 | CGA555 | GB8335 PZ27.8 | 21±1.5 |
| 11 | CGA580 | Brass flapper type cylinder valve for H2 | He,Ne,Ar,Kr,Xe | 15 | 4 | Female Thread CGA580 | 1-11 1/2 -NGT | 21±1.5 |
| 12 | CGA590 | Brass flapper type cylinder valve for O2(oxygen) | O2,N2,Air | 15 | 3 | Female Thread CGA590 | 3/4-14-NGT | |
| 13 | CGA870A | Cylinder valve for O2(oxygen) | O2 | 15 | 1.5 | 7 clip2-4.7 fixed mpin | 3/4-16-UNF | steelcylinder21-23.2 Aluminum cylinder22.9-25.5 73deg±3deg |
| 14 | CGA910 | Cylinder valve for N20 | N20 | 15 | 2.5 | 7 clip2-4.7 fixed mpin | 3/4-14-NGT | |
| 15 | CGA670 | Brass neddle type cylinder valve for mixed gas | mixed gas(Cl2,etc) | 2 | 7 | Male thread CGA670 | 3/4-14-NGT |
*About US:
We are a professional manufacturer and supplier of Gas Cylinders Regulators, Oxygen Flowmeters, Medical Oxygen Flow Regulators, Medical Oxygen Kits, Oxygen Intake Devices, Gas O2 Valves, Medical Pin Index Valves, Medical Gas O2 Supply System Products, Gas O2 Cylinder Trolleys, Gas O2 Outlets, Ceiling Medical Pendants, Medical Gas Oxygen Respiratory Products and etc.
*Advantages We Have:
-1). Original Manuacturer: Being a professional manufacturer, we have professional equipments for our manufactureing products, including Punch Machines, CNC Machines, and etc.;
-2)Large Output capability: We have the capability to produce more than 50, 000PCS of Medical Oxygen Flowmeters each month;
-3)Quality Control: With ISO13485 Quality Management system; All products have been tested before out of factory;
-4)Cost Advantages: We have cost advantage because our professional and scale economy;
-5)Series: We have different series and models, for different standards in different countries;
-6)Small order can be acceptable: M. O. Q. =50PCS;
-7)Exporting experience: We have over 5 years' experience for exporting.
*NOTES:
-a). Various types of CO2 gas cylinder valves,cylinder caps,steel valve guards can be optional;
Key Contact: Ethan Liu (Exp. Mgr)
URL: http://cbmtech.en.made-in-china.com ; http://cbmtech.en.made-in-china.com

*An order of 20'ft of mixed gas cylinder tanks(CO2/O2/N2/Argon/Helium/Air cylinders & acetylene cylinders) & cylinder regulators is really welcome!
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2531659". Items marked "" are certified.
Company Profile
Zhejiang Shengwei High Pressure Vessel Co., Ltd. is located in Yuyao, a famous historical and cultural city abutting the Hangzhou Bay. The company was established in June 2010, engaged in industry of high-pressure vessels. The factory covers about 21000square meters and an plant building with 15000 square meters. Now the company has the fixed asset more than 30 million RMB, and 120 employees. And there are 32 technicians among them. Also company has three advanced production lines of steel seamless cylinder and corresponding testing equipment. The company aims to produce and sales over 400, 000 0.7L-80L steel seamless cylinderss each year.
Zhejiang Shengwei High Pressure Vessel Co., Ltd. is based the company mission of Quality First, Customer First, Technology advanced and Service Best. Establishing the quality assurance system for gas vessel producing. The company has B1 level qualification on pressure vessel, and also passed the ISO9001: 2008 International Quality Management System Certification. The company uses the most strict standard management to manage the procession of producing and testing and dedicates to design and make high-quality products with the most advanced technology.
Our company has advanced equipments, and consummate equipments for product Testing. The main products including nitrogen cylinders, argon cylinders, carbon dioxide cylinders and seamless steel gas cylinders. The products are sold very well all over the world. The company welcomes all friends come to communicate and discuss with us for seeking common win-win developments, and dedicates to offer the users with the high quality products and excellent services.
About Our Factory & Business Background
- Address
- No. 1299 Yinxian Avenue Shounan Street Yinzhou Ningbo, 315100, P. R. China, Ningbo, Zhejiang, China
- Average Lead Time
- Peak Season Lead Time, one month, Off Season Lead Time, within 15 workdays
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the working pressure of this valve?
- The working pressure is 15Mpa.
- Which gas is this valve suitable for?
- This valve is suitable for Carbon Dioxide (CO2) gas cylinders.
- What is the minimum order quantity?
- The minimum order quantity (MOQ) is 50 pieces.
- What is the lead time for production?
- Lead time is within 15 workdays during off-season and one month during peak season.
- Is the valve made of brass?
- Yes, the valve is made of brass material.
- What certifications does the product have?
- The product holds ISO and CE certifications.
- Does the manufacturer offer customization?
- Various types of CO2 gas cylinder valves, cylinder caps, and steel valve guards are optional.
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Product Groups
- Medical Gas Pressure Regulators
- Steel Gas Cylinders
- Gas Manifolds
- Aluminum Alloy Gas Cylinders
- Medical Gas Pipeline System Products
- Medical Oxygen Kits/Oxygen Cylinder Sets
- Medical Equipment,Hospital Pendants & Accessaries
- Emergency & Resure Items
- Gas Cylinder Valves,Handles & Caps
- Gas Cylinder Carts,Carry Bags & Bundles
- Respiratory Products & Accessories
- PSA Oxygen Generators
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