Below is the freshly‑paraphrased professional version adapted for your overseas product catalogue: Crafted from A105N high‑strength carbon‑steel bodies, this high‑pressure rising‑stem industrial globe valve is engineered for chemical‑grade pipe‑line service. Its outer surface is covered with black anti‑corrosive paint. Adopting bonnet‑welded connection without outer flange fittings, the equipment gets manually actuated through a handwheel. It mainly governs the circulation of high‑pressure process fluids. This compact‑bore rising‑stem globe valve suits high‑pressure industrial piping networks for chemical‑plant usage.

Parameters

Valve body material	A105N
Applicable media	Oil,Gas,Water
Connection	Welding
Power	Hand wheel
Sealing Type	Hard Seal
Warranty period	12 months
Certificate	CE ,IS09001 ,IS014001,IS045001

Advantages

Status Visualization

The visible stem structure enables field‑based workers to promptly identify the valve's operating position and cut down the probability of improper manipulation.

Reliable Sealing

The combination of hard‑seated components and welded‑type construction greatly strengthens sealing stability under high‑pressure working circumstances and minimises potential fluid‑leak hazards.

Durable Material

A105N carbon‑steel material balances outstanding mechanical strength and heat‑resistant capability, fitting most process‑transported media within petroleum, chemical and related industrial sectors.

Convenient Operation

Its multi‑spoke handwheel generates proper operating torque adapted to high‑pressure service settings, which guarantees accurate manual flow adjustment.

Features

01.

Rising Stem Design

The valve stem moves synchronously with the valve core, allowing for direct observation of the stem's displacement and intuitive determination of the valve's open/closed state;

02.

High-Pressure Adaptation

Class 600 pressure rating + A105N material, capable of withstanding temperatures from -29℃ to 425℃ and high-pressure conditions up to 10MPa;

03.

Hard Seal Design

The valve core and seat utilize metal-to-metal sealing (such as hard alloy overlay welding), providing resistance to erosion and wear, suitable for harsh industrial media;

04.

Welded Connection

No external flanges; the welded ports eliminate the risk of leakage under high pressure, meeting the sealing requirements of high-pressure pipelines.

Application Scenarios

Petrochemical industry

Wellhead instrumentation pipelines, high-pressure process sampling lines, hydraulic system pipelines;

Natural gas industry

Branch control of high-pressure gas transmission pipelines, small-diameter pipelines in pressure regulating stations;

Power industry

High-pressure cooling water systems and steam pipeline isolation control in power plants;

Mining and metallurgy

High-pressure slurry transportation pipelines, hydraulic equipment control lines.

Production Process

Material Melting

Carbon steel raw materials are smelted in compliance with the A105N standard formulation, making certain its chemical makeup and mechanical attributes satisfy official specifications.

Forging and Forming

Forging treatment is applied to raw blanks including valve bodies and bonnets to secure robust structural strength.

Precision Machining

Critical components covering sealing faces, welding joints and threaded fittings are precision‑processed with CNC machinery to maintain precise dimensional tolerance.

Surface Treatment

The valve casing undergoes sand‑blast surface treatment followed by black anti‑corrosion finishing, while its sealing seat receives alloy hard‑surfacing reinforcement.

Assembly and Debugging

Components including valve plug, operating stem and handwheel go through complete assembly. Afterwards, inspectors conduct tests on switching flexibility and sealing capability.

Quality Inspection and Shipment

Hydrostatic and air‑tight pressure inspections are carried out under 1.5‑fold nominal working pressure alongside sealing‑property testing. Every finished commodity is delivered together with its qualified inspection certificate prior to shipment.

Routine maintenance

Regular Inspection

Check the wear of the valve stem threads and handwheel drive components monthly, and test the valve's opening and closing flexibility quarterly;

Lubrication and Maintenance

Apply high-temperature grease to the valve stem threads and handwheel bearings every six months to prevent rust and seizing;

Seal Monitoring

Regularly (e.g., quarterly) check for leaks in the sealing surface through pressure testing. If leaks are found, grind or replace the sealing components promptly;

Cleaning and Protection

Keep the valve body surface clean, and install protective covers on welding ports when not in use to prevent impurities from entering;

Emergency Handling

If the valve stem seizes, try applying lubricant to free it before attempting forceful operation to avoid damaging the components.

Working Principle

As the handwheel rotates, the threaded rising‑stem travels vertically, driving the valve plug toward or away from the valve seat.

Closed condition: The plug presses firmly against the seat to cut off medium circulation.
Open condition: Upward movement of the plug unblocks the internal passage for fluid flow. Thanks to the rising‑stem layout, operators can visually check stem travel and read the exact opening extent directly.

Certifications

ISO certification is not only a "qualification threshold" for our company, but also a comprehensive reflection of our company's quality, compliance and competitiveness, driving our company's transformation from "low-end manufacturing" to "high-end standardization".

Company Profile

SND is a leading valve manufacturer specializing in high-performance hydraulic control valves and innovative flow solutions. Leveraging international patents and technological collaborations, we strictly adhere to the ISO 9001 quality management system, ensuring zero defects in our products and earning recognition as an industry benchmark.

Our advanced automated manufacturing processes and integrated network management ensure product reliability and have been approved by China's construction authorities. With a nationwide sales and service network, we are committed to continuous innovation, developing next-generation valve technologies and providing globally leading, reliable, and efficient flow control solutions.

FAQ

Q: Can this valve regulate flow?

A: It can regulate flow to a small extent, but it is primarily used for on/off control; a partially open state will exacerbate erosion of the sealing surface and shorten the valve's lifespan.

Q: What precautions should be taken before welding?

A: Impurities on the welding ports must be cleaned, and direct high-temperature heating of the valve body's sealing surface should be avoided during welding to prevent deformation of the sealing components.

Q: How should worn sealing surfaces be handled?

A: Minor wear can be repaired by grinding; severe wear requires replacement of the valve core/seat assembly. This should be performed by qualified personnel.

Q: Does the exposed stem design increase the risk of contaminants entering?

A: No, the valve stem is usually equipped with a dust cover. Maintaining the dust cover in good condition during routine maintenance will reduce the entry of contaminants.

Q: Can you accept TPI?

A: Yes, sure. Welcome visit our factory and come here to inspect the goods and inspect production process.

Q: Can you supply Form e, Certificate of origin?

A: Yes, we can supply.

Q: Can you supply invoice and CO with chamber of commerce?

A: Yes, we can supply.

Q: Can you supply samples?

A: Yes, some samples are free, please check with sales.

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