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27
August
International Engineering Standards Witness Swing Check Valve Assembly Expertise

API & ASME compliant CF8M stainless steel swing check valve, Class150 flange swing check valve, precision‑assembled for petrochemical, water treatment pipeline backflow prevention.

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27
August
Factory Strength Interprets Manufacturing Standard of 2" 300LB C95800 Gate Valve

J‑VALVES workshop real‑view for 2‑inch Class300 C95800 aluminum bronze gate valve. Comply with ASME B16.34 & ASTM B148, ideal for seawater, marine & brine service.

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2 300LB C95800 flanged aluminum bronze gate valves from J‑VALVES.jpg
27
August
Full Bore Flow Path Design in WCB Cast Steel Gate Valves

WCB Cast Steel Gate Valves are widely used in oil and gas, petrochemical, power generation, water treatment, and industrial pipeline systems. A key feature of many WCB gate valves is the Full Bore Gate Valve flow path, which provides a relatively unobstructed passage when the gate is fully open.

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4” 150LB WCB 蓝色闸阀 20250429 (3) 拷贝.jpg
26
August
API And ASME Standards for Industrial Y Type Strainers

Y Type Strainers​ are widely used in industrial piping systems to remove solid particles and protect pumps, valves, heat exchangers, and other downstream equipment. For oil and gas, petrochemical, marine, and process applications, proper consideration of pressure rating, materials, connections, inspection, and testing is essential.

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What You Know About Us

April 30, 2026

Dear Valued Customers & Partners,We are pleased to inform you that our company will be closed for the 2026 International Labor Day Holiday.Holiday Period:From May 1st to May 5th, 2026, we will be on holiday and suspend all office production, shipment and daily business services.We will resume normal

February 03, 2026

On the evening of January 31st, bathed in bright and warm lights, the 2025 J-VALVES Annual Gala with the theme On the Road, Heading for the World kicked off in grand style! All members of the J-VALVES family gathered together, shedding the toil and weariness of the whole year, and carrying our gains and honors. We looked back on our journey side by side amid laughter and joy, and marched toward a brand-new future with united striving, sharing this exclusive reunion feast and pledge of progress that belongs to us all.
 

January 12, 2026

Project Case Study: Reliable Solid Particle Protection for Industrial PipelinesProject BackgroundIn recent years, wastewater treatment and reuse projects in Kazakhstan have continued to expand, especially in municipal infrastructure, mining support systems, and industrial process water applications.

October 13, 2025

In the industrial valve sector, J-VALVES has always attracted wide attention for its outstanding quality and exquisite technology. Recently, J-VALVES gate valves, globe valves, and check valves have successfully obtained the ISO 15848-1 certification. This achievement signifies that J-VALVES' leadi

October 10, 2025

In the global energy and industrial sectors, the importance of valves—critical fluid control equipment—is self-evident. Recently, a batch of J-VALVES 18" 600LB CF3 large-diameter gate valves with electric actuators was successfully shipped to Iraq. This not only marks a significant business expansio

September 30, 2025

May you all have a reunion-filled Mid-Autumn Festival and welcome a joyous and harmonious National Day.

September 29, 2025

Under the warm autumn sun, the J-VALVESsecond badminton competition arrived as scheduled, adding a touch of passion and vitality to this season. On the sports field, the players sweated profusely. Every jump and every hit demonstrated their love and dedication to this sport.

September 18, 2025

​At 9:30 a.m. on September 18, 2025, the J - VALVES team set off from the company and went to the cinema to watch the movie "Unit 731" with a sense of awe and remembrance for history.

September 03, 2025

Throughout the course of history, there are certain moments that, like brilliant stars, illuminate the path of our nation's progress; there are also certain events that, like thunderous explosions, shock the heart and inspire the deepest patriotic sentiments within us. Today, our company organized u

July 30, 2025

In the high-risk industries such as petroleum, natural gas, and chemical processing, fire safety is a critical concern. Valves used in these industries must be designed to withstand extreme conditions, including fire exposure, to prevent catastrophic failures and protect personnel and equipment. Rec

June 19, 2025

In various industrial and civil pipeline systems, ball valves can be seen everywhere. With many advantages such as simple operation and excellent sealing performance, they play a vital role in numerous fields like petroleum, chemical engineering, gas, water supply and drainage. However, there are a

June 18, 2025

I. IntroductionIn Wenzhou, Zhejiang Province, the industry is booming. There is an increasing demand for key fluid control equipment like J-VALVES WCB large-diameter gate valves, and higher requirements are also placed on their services and response speeds. Thanks to its localized service system and

June 16, 2025

Dear friends, if you are looking for C95800 floating ball valves recently, you must choose J-VALVES! I'm not just saying this casually. The ball valves of their company are of excellent quality and make you feel extremely at ease when using them.Firstly, the materials of J-VALVES' ball valves are al

June 07, 2025

In today's rapidly developing industrial era, valves, as indispensable and crucial components in industrial systems, are playing an increasingly significant role. They are not only related to the smoothness and safety of the production process but also a key link for enterprises to achieve efficient

June 06, 2025

J-VALVES has carved out a niche for itself in the competitive landscape of industrial valve manufacturing. With a focus on innovation, quality, and customer satisfaction, the company has established a reputation for delivering high-performance valves tailored to meet the specific needs of various in

Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .

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Address:Wenzhou China
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