Stainless Steel N2 50*20mm Safety Stop Industrial One Direction Gas Check Valve
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Product Attributes
- Customization
- Available
- Media
- Gas
- Temperature
- Ordinary Temperature
- Model NO.
- check valve
- Material
- Stainless Steel
- Connection Form
- Thread
- Structure
- Thread
- Pressure
- High Pressure
- Function
- Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
- Sealing Form
- Bellows Globe Valve
- Flow Direction
- Unidirection
- Standard
- ANSI
- Application
- Industrial Usage, Water Industrial Usage, Household Usage
- Feature 01
- Floating Seals Prevent Contaminants From Affecting
- Working Pressures
- up to:414 Bar(6000 Psig)
- Working Temperature
- -23℃~204℃ Celsius
- Opening Pressure
- 0.02~1.7 Bar(1/3~25 Psig)
- Feature 02
- a Variety of Termination and Body Materials Are AV
- Feature 03
- Fixed Opening Pressure
- Installation Direction
- Can Be Installed in Any Direction
- Inlet Body
- 316L
- Lift Head Assembly
- Fluorocarbon, FKM Bonded ,316 Stainless Steel/A479
- Lift Head Retaining Ring
- 316L Stainless Steel/A240
- Spring Material
- 302 Stainless Steel / A313
- O-Ring Material
- Fluorocarbon FKM
- Support Ring Material
- PTFE/D1710
- Outlet Body Material
- 316 Stainless Steel/A479
- Application 01
- Gas, Oil, Water
- Transport Package
- Standard Export Package
- Specification
- 50*20MM
- Trademark
- AFKLOK
- Origin
- Hunan Province, China
- HS Code
- 8481300000
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Stainless Steel N2 50*20mm Safety Stop Industrial One Direction Gas Check Valve
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Product Description

Floating seals prevent contaminants from affecting seals
Working pressures up to:414 bar(6000 psig)
Working Temperature:-23ºC~204ºC
Opening pressure:0.02~1.7 bar(1/3~25 psig)
A variety of termination and body materials are available
Fixed opening pressure,
can be installed in any direction
| Item | Details |
|---|---|
| Pressure Environment | High Pressure |
| Functions | Ddcv Double Lobe, Nvrv Silence, Sfev Rubber Lobe, Nvrz Silence, Nvrg Silence |
| Sealing Type | Bellows Globe Valve |
| Flow Direction | Unidirection |
| Standard | ANSI |
| Applications | Industrial Usage, Water Industrial Usage, Household Usage |
| Transport Packaging | standard export package |
| Specification | 50*20MM |
| Trademark | AFKLOK |
| Place of Origin | Hunan Province, China |
| Feature 1 | Floating seals prevent contaminants fr |
| Working Pressure | up to 414 bar (6000 psig) |
| Working Temperature | -23ºC - 204ºC Celsius |
| Opening Pressure | 0.02 - 1.7 bar (1/3 - 25 psig) |
| Feature 2 | A variety of termination and body mat |
| Feature 3 | Fixed opening pressure |
| Installation Direction | can be installed in any direction |
| Inlet Body Material | 316L |
| Lift Head Assembly Material | Fluorocarbon, FKM Bonded, 316 Staini |
| Lift Head Retaining Ring Material | 316L stainless steel/A240 |
| Spring Material | 302 stainless steel / A313 |
| O - Ring Material | Fluorocarbon FKM |
| Support Ring Material | PTFE/D1710 |
| Outlet Body Material | 316 stainless steel/A479 |
Wofly Group Founded in 2011, Wofly Technology specializes in high-purity fluid control valves and components, and provides integrated gas distribution systems. Our ISO 9001-certified product portfolio-including diaphragm valves, pressure regulators, and precision instrumentation valves-complies with CE, RoHS, and SEMI S2 standards. Engineered for critical applications in semiconductor fabrication, hydrogen energy infrastructure, and photovoltaic manufacturing, our solutions ensure leak-tight performance in ultra-clean environments. With 14-year commitment to advancing gas handling safety, Wofly delivers certified reliability through rigorous quality management systems, supporting global clients in mission-critical industries.
1. who are we? We are based in Hunan, China, start from 2011,sell to Domestic Market(50.00%),Southeast Asia(14.00%),North America(8.00%),Northern Europe(8.00%),Eastern Europe(5.00%),South Asia(2.00%),South America(2.00%),Western Europe(2.00%),Southern Europe(2.00%),Central America(2.00%),Mid East(2.00%),Eastern Asia(1.00%),Oceania(1.00%),Africa(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality? Always a pre-production sample before mass production; Always final Inspection before shipment;
3.what can you buy from us? Pressure Regulator, Instrumentation Valve, Gas Cabinet, Tube Fitting, Tubing
4. why should you buy from us not from other suppliers? We have a couple of years with professional engineers and dedicated technicians.can provide security products for you
5. what services can we provide? Accepted Delivery Terms: FOB,CIF,EXW; Accepted Payment Currency:USD,CNY; Accepted Payment Type: T/T,L/C,Western Union; Language Spoken:English,Chinese
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI259133". Items marked "" are certified.
Company Profile
Wofly Technology (Group) was established in 2011, headquartered in Shenzhen, China. It has three subsidiaries: Hunan Wofly, Hubei Wofly, and Hong Kong Wofly, as well as Shanghai Wofly Branch and Xi'an Office. Wofl Group Co., Ltd. is a company that specializes in the research and development, manufacturing, and sales of precision high-purity fluid valves and special gas equipment. A national high-tech enterprise and specialized new enterprise that integrates gas system engineering design, installation, and technical services. The group company enjoys a high influence in the national special gas field, with a senior management team, research and development team, engineering and technical experts, etc. The group company has professional contracting qualifications for building mechanical and electrical installation engineering, GC2 pressure pipelines, multiple national patents, and international certifications such as CE/RoHS/TIME certification. The company strictly implements various management measures in accordance with ISO9001 standards.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- The First Floor of Building 3, Bailutang Information Industry Park, Comprehensive Bonded Zone, Bailutang Town, Chenzhou City, Chenzhou, Hunan, China
-
Plant Area
- 3359.6 square meters
-
Number of Employees
- 47
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port,Guangzhou Port,Chenzhou Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 25
Our Production Capability & Technical Expertise
- Main Products
- Diaphragm Valve, Compression Fitting, Tube Fitting, Pressure Regulator, Check Valve, Ball Valve, Gas Box, Gas Exchange System
-
Production Lines
- 1
-
Production Machines
- CNC, Vision measuring machine
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Full Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2022-08-26
-
Export Year
- 3 Years
- Main Markets
- North America, South America, Southeast Asia, Western Europe, Mid East
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
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