Stainless Steel Pneumatic Water Flow Pressure Reducing Proportional Regulating Relief Safety Control Valve

• Customization: Available
• Media: Water
• Driving Mode: Pneumatic
• Connection Form: Welding
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Forge Welding
• Standard: 3A-DIN
• Application: Industrial Usage, Water Industrial Usage
• Grade: SS304, SS316L
• Gasket: FDA Approved
• Internal Surface: Ra0.4
• External Surface: Ra 1.2
• Raw Material: Forging or Casting
• MOQ: 1PCS
• Sealing Material: Silicone, EPDM, PTFE, or NBR
• Transport Package: Wooden Case
• Specification: 0.5"-10"
• Trademark: JONENG
• Origin: Wenzhou, China
• HS Code: 8481804090
• Production Capacity: 1000PCS/Year
• Package Size: 20.00cm * 30.00cm * 20.00cm
• Package Gross Weight: 2.000kg
• Lead Time: 2 days (1 - 10 Pieces) ; To be negotiated ( > 10 Pieces)

Product Description

Stainless Steel Pneumatic Water flow Pressure Reducing Proportional Regulating Relief Safety control Valve

Safety valves, pressure reducing valves, and control valves are essential flow-control and protection components designed to manage pressure, flow rate, and system stability. In industrial-grade applications, they are built to withstand high pressure, temperature fluctuations, and continuous operation in utilities, chemical processing, and energy systems. In sanitary-grade environments, such as food, beverage, and pharmaceutical processing, these valves feature smooth internal surfaces, corrosion-resistant materials, and hygienic designs to prevent contamination. A safety valve automatically releases excess pressure to protect equipment and personnel. A pressure reducing valve lowers and stabilizes inlet pressure to a safe downstream level. A control valve precisely modulates flow or pressure based on process demands, ensuring accuracy, efficiency, and consistent product quality.

Safety valves, pressure reducing valves, and control valves are installed at different critical points within piping systems. In industrial systems, safety valves are placed on pressure vessels, boilers, or pipelines to prevent overpressure damage. Pressure reducing valves are located downstream of high-pressure sources to protect sensitive equipment, while control valves are installed within process lines to regulate flow, temperature, or pressure. In sanitary processing lines, safety valves protect pasteurizers and reactors, pressure reducing valves ensure gentle handling of liquids, and control valves manage precise dosing and flow control. Together, they maintain operational safety, process stability, and hygienic compliance across both industrial and sanitary production environments.

We offer customized pressure ratings, connection types (wafer, flange, or threaded), and proportional control options to meet various system requirements. Backed by ISO 9001, FDA, and SGS certifications, our valves come with a 3-year quality guarantee and 7-10 days fast delivery for urgent orders. With over 20 years of global exporting experience, we ensure every customer receives professional service and reliable performance.

Product Description

Stainless Steel Water Atos 2-Inch Air Hydraulic Pressure Reducing Regulating Relief Safety Valve:

• Sanitary safety valves operate by spring-loaded pressure sensing, automatically releasing excess internal pressure to protect hygienic systems, ensuring equipment safety, stable operation, and full compliance with strict sanitary processing standards.

• Sanitary pressure reducing valves use balanced diaphragm regulation to lower inlet pressure smoothly, maintaining gentle, constant downstream pressure that protects delicate products and ensures consistent flow in hygienic pipelines.

• Sanitary control valves adjust opening through pneumatic or electric actuators, precisely modulating flow or pressure to achieve accurate dosing, stable processing conditions, and reliable product quality.

• Industrial safety valves function by preset spring force, opening instantly during overpressure events to discharge media, preventing equipment damage, unplanned shutdowns, and ensuring overall system safety.

• Industrial pressure reducing valves control downstream pressure through mechanical balance, stabilizing fluctuating inlet pressure to protect machinery, extend equipment lifespan, and improve process reliability.

• Industrial control valves regulate flow, pressure, or temperature by variable valve positioning, enabling precise process control, energy efficiency, and stable long-term operation under demanding industrial conditions.

Product Parameters

Packaging & Shipping

FAB

Feature	Advantage	Benefit
High-Temperature Resistant Construction - Built with premium stainless steel, capable of withstanding extreme steam temperatures in industrial systems. Bellows Pressure Regulation - Incorporates a stainless steel bellows element for accurate and responsive pressure control. Adjustable Pressure Settings - Features a user-friendly adjustment mechanism for precise control of downstream pressure. Industrial-Grade Design - Engineered for heavy-duty steam applications with robust valves and secure connections. Optimized Steam Flow Path - Smooth internal channels reduce turbulence, minimize vibration, and enhance operational stability.	Stable High-Temperature Operation - Maintains consistent pressure output even under fluctuating high-temperature steam conditions. Durable and Corrosion-Resistant - Stainless steel body and bellows resist corrosion and thermal stress, ensuring long-term reliability. Mechanical Precision Control - Bellows-based regulation delivers accurate pressure adjustment without external power. Reduced Noise and Vibration - Engineered flow path and bellows design minimize operational noise and mechanical shock. Easy Maintenance and Adjustment - Modular components allow quick access for inspection, cleaning, and pressure tuning.	Protects Equipment and Pipelines - Ensures safe and consistent steam pressure, preventing damage to downstream industrial systems. Increases Process Efficiency - Stable pressure reduces energy waste and enhances overall steam utilization. Minimizes Downtime - Durable construction and reliable operation lower maintenance frequency and extend valve service life. Enhances Safety in High-Temperature Environments - Bellows design and stainless steel body reduce risk of leaks, bursts, or overheating incidents. Versatile Industrial Applications - Ideal for boilers, heat exchangers, food processing, chemical plants, and sterilization lines, offering broad operational flexibility.

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Company Profile

 

 

 

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About us
JoNeng was established in July 2007, strategically situated in Wenzhou, China. Boasting a team of approximately 100 skilled workers, our expansive factory spans 6800m2, dedicated to delivering exceptional valve and pipe solutions with precision and excellence.
Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs.

Mainly manufacture
Stainless steel butterfly valves, ball valves, check valves, CPM valves, and diaphragm valves, meticulously designed for reliability and precision in fluid control systems.
Stainless steel sanitary and industrial-grade elbow, tee, reducer, ferrule, and union fittings, engineered for seamless connectivity and outstanding performance.
Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps, offering comprehensive solutions to meet your varying operational demands.
Stainless steel centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps, ensuring efficient and effective fluid handling and processing across diverse industries.

International standards
Our products are expertly crafted to align with SMS, DIN, AS, BS, BPE, JIS, ISO, ANSI B16.5, ASME, and other international standards. We also offer the flexibility of customized solutions. Our high-quality products have successfully reached over 100 countries, including Europe, America, the Middle East, Australia, Turkey, Iran, and Thailand, showcasing our global presence and commitment to excellence.
Wenzhou Joneng Valves Co., Limited proudly extends its reach to a diverse array of countries and regions including Europe, America, the Middle East, Australia, Turkey, Iran, Thailand, and more, amassing a remarkable presence in over 100 countries worldwide.
Joneng stands as a paragon of quality assurance, adorned with the prestigious CE, PED, and ISO 9001 certifications, which exemplify our unwavering dedication to superior quality management. Our products also adhere to FDA standards, reinforcing trust and reliability at every step.

 

 

Extensive inventory of pipe fittings

Our extensive inventory of pipe fittings features an array of stainless steel options: elbows, tees, reducers, unions, ferrules, butterfly valves, check valves, and ball valves, empowering us to deliver goods promptly and with unparalleled efficiency.

3-year guarantee and 24 hours 
concerns

Our pledge to excellence is embodied in our promise of swift 24-hour resolution for any quality complaints, nurturing customer satisfaction while driving continuous enhancement.

At Wenzhou Joneng Valves Co., Limited, we extend an unmatched 3-year guarantee on all stainless steel components, offering you peace of mind. Should any quality issues surface with our valves and fittings, please do not hesitate to contact us. We assure a swift response with action initiated within 24 hours to resolve any concerns effectively.

Welcome to the factory
√ With 17 prolific years of dedicated expertise in the industry, we embody an unwavering commitment to quality and innovative solutions.

√ Spanning an impressive 6800m2, our state-of-the-art facility is adeptly equipped to manage diverse production demands with flawless efficiency.

√ Our skilled workforce of 100 employees fuels our engine of excellence and propels our growth trajectory.

√ Thriving in over 100+ countries, our expansive global reach is a testament to the trust and satisfaction our international clientele repose in us.

√ With a formidable network of 1000+ partners worldwide, our collaborative endeavours continue to drive success and shared aspirations.

 

OUR PRODUCTION CAPACITY 

 

Production Lines	Stainless steel sanitary pipe fittings' line, machining line, sanitary manhole line,
Product Range	Sanitary butterfly Valve, sanitary diaphragm valve, sanitary pipe fittings, union, ferrule, sight glass, manhole cover, safety valve, sampling valve...
Year Established	2007
Factory Size in Square Meters	5000M2
NO. OF TOTAL STAFF	130
Production Capital	8 000 000 USD
Detail capacity	Manhole covers	12000nos
	Pipe fittings	150000nos
	Ferrules, unions, connectors	200000nos
	Diaphragm valves	15000nos
	Butterfly valves	20000nos
Investment in Manufacturing Equipment	750000USD
Details of equipment	For machining parts 29 nos of LG Mazak CNC Machines 4 nos of local CNC machines 2 nos of automatic CNC center 12 nos of plain lathe For pipe fittings 4 nos of press 3 nos of cutting machine 3 nos of chamfering machine We also have the following quipments 4 nos of polishing machine 12 nos of grinding machine 3 nos of laser marking machine 3 nos of pressure testing machine 1 nos of temperature testing machine 3 nos of spectro instrument 1 nos of surface roughness device
Primary Competitive Advantages	Strict inspection, honest business way, fast revert on order problem
Stocked materials	Big quantity for raw forging of butterfly valve, diaphragm valve, ferrule, union, adapters, pipe fittings, clamps, sight glass, safety valve, manhole cover,
OEM Services Provided	Yes
Design Service Offered	Yes
Sales Volume	6 000 000 USD
Export Percentage	80%
MAIN MARKET	USA, Germany, Hungary, Canada, Thailand, Holland, England, South Africa, Indonesia, Saudi, India, New Zealand, Australia, Middle East...
Own Brand Name	JoNeng

Certifications

FAQ

 

1. Are you a trading company or factory? 
We are a manufacturer factory and we also have our own exporting license. 

2. Do you have certificate? 
Yes, ISO, FDA, LFGB, CE, PED certificate. We also have some patents in design. 

3. How do you control the quality? 
In quality control, the most important is to avoid material mixing. 
In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant. 
Pressure inspecting machine, PMI machines, RA roughness spector, hardness testing machine...All machines help in inspection. 
2 staff inspect during production in different sections
5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical...

4. How many factories do you have?
Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. 
Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades;
Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; 
while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs.

5. If there is any quality problem, how do you solve it? 
We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. 
Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition. 

6. How long is your delivery time? 
For normal products in 7-10 days; For bulk order, in 15-25 days. It depends. 

7. Warranty time? 
3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers. 

8. Why trust in us? 
14 years in this industry. It makes us professional. Good credit in this market. 
All of our machines are the assurance of our responsibility. 

9. Free sample? 
Free samples can be provided for first cooperation under sincere cooperation. 

10. What is the MOQ? 
1PCS MOQ is welcome for starting cooperatoon

11. Material certificate? 
Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us. 

12. More questions are appreciated.