We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for bellow seal ball valve, ANSI Globe Valve, Low Temperature Globe Valve . We are driven by technological innovation and backed by scientific management to promote the continuous, rapid and healthy development of the enterprise. We are willing to sincerely cooperate with new and old customers to work hand in hand for the progress and development of the bellow seal ball valve industry. We provide comprehensive solutions for sourcing, supply chain management, and logistics. Continuous pursuit of innovation, progress, and strive for perfection, to provide customers with quality service, is the source of winning the trust of consumers. Innovation, the pursuit of excellence, teamwork is our company's required style of work. Our products are trusted by customers around the globe, and we continue to expand our reach and grow our business. Relying on international experience, localized operation and professional and complete supplier network, we provide users with efficient, timely and professional all-round services. Our team is committed to excellence in everything we do.
  • API Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 1/2 "to NPS 36"
    ③ Pressure range: CL150 to CL1500
    ④ Operating...
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  • Cryogenic Gate Valve
    ① Main material: low-temperature carbon steel, stainless steel
    ② Nominal diameter: DN15 to DN1000
    ③ Pressure range: 1.0MPa~10.0MPa
    ④ Operating...
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  • API Pressure Seal Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 2 "to NPS 24"
    ③ Pressure range: CL900~CL2500
    ④...
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  • GB Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN1000
    ③ Pressure range: 1.0MPa~16.0MPa
    ④...
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  • Flat Gate Valve
    Main Dimensions Data PN4.0MPa PN5.0MPa(Class300) Main connection dimension PN4.0MPa PN5.0MPa(Class300) PN6.4MPa
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  • API Titanium Gate Valve
    Friends who do foreign trade or work on projects with European and American standards know that the biggest worries when choosing a gate valve are "non-compliance with standards and inability to...
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  • Non-rising Stem Cast Steel Gate Valve
    In pipeline systems, some spaces are narrow—ordinary valves take up space and are hard to maintain when installed. Our non-rising stem gate valve from Zhengmao Valve is specifically designed to...
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  • Large Bore Electric Gate Valve
    Friends in engineering or production management all know that when it comes to controlling large-flow, high-pressure media in pipelines, you need to choose a valve that’s "tough and precise". Our...
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  • Vacuum Gate Valve
    Anyone in industrial production knows that if a valve fails, the entire production line has to stop. This vacuum gate valve made by our Zhengmao Valve is designed to "have fewer problems and do...
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  • Cryogenic Drip Pan Gate Valve
    In industries like chemical engineering and LNG that require cryogenic operations, if the valve can't withstand the cold, leaks or gets stuck, it will cause big troubles. This cryogenic gate valve...
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  • API Pressure Seal Gate Valve
    In places like chemical plants and power stations with large-diameter pipelines, the difficulty of opening and closing valves has always been a big problem—but the bevel gear gate valve from...
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  • Rising Stem Resilient Seated Gate Valve
    The open elastic seat gate valve has the advantages of elastic seat gate valve, and can display the valve opening more intuitively, and open and close quickly and reliably, so it is...
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While expanding and strengthening the basic market, this company has also carried out round after round of product upgrades, and has launched new products with the times, which are warmly sought
Callie Norris star star star star star
The company has been determined to become the most trusted partner of customers and the most tested enterprise in the market. After this cooperation, I would like to say that your company has
Patricia Burgess star star star star star
It works great at night, bought it for my girlfriend's birthday and she loves it.
Diana McCracken star star star star star
This supplier quickly delivered the goods for me, thank you!
Jerry Wenz star star star star star
The company has a very mature production system and strict quality monitoring procedures, producing a product with uniform specifications and no defects or breakage.
Betty Cates star star star star star
I asked many times before confirming my order, so thank the customer service staff for their patience.
Bellows Seal Valves – SWI – Reliable Performance in …...

WebGeneral Design & Wall Thickness. Forged Gate Valves: API 602 / ASME B16.34 / ISO 15761. Forged Globe Valves: API 602 / ASME B16.34 / ISO15761 / BS5352. Cast Gate Valves: API 600 / ASME B16.34 / ISO...

API 598 Bellow-Seal Valves - Leak Tested Bellow Seal Valves...

WebPowell offers bellow-seal valves in ASME classes 150, 300 and 800 in a variety of materials. Bellow-Seal Valve Features: Each valve is tested per API 598. Every bellow assembly is helium...

Bellows Seal Valve - Conval, Inc....

WebBellows seal valves are valves employed in piping systems to safeguard against leakage. When selected and installed properly, they minimize the...

OEM Bellow Seal Ball Valve Manufacturer and Supplier, Product...

WebBellow Seal Ball Valve Manufacturers, Factory, Suppliers From China, We sincerely welcome you appear to go to us. Hope now we have fantastic cooperation during the upcoming. +86 15957789995 mon –...

BALL VALVES – BELL-O-SEAL VALVES PVT. LTD....

WebBALL VALVES FEATURES: ASME design as per ANSI 150, 300 or 600 class ratings. Sizes: 2” to 20” Forged or Cast constructions Metal seated with coating as per customer requirements. Three piece...

Bellows Sealed Valves | Hy-Lok USA, Inc...

WebBellows Seal Valves. The design and engineering of the Hy-Lok bellows valves are of the highest quality in the industry and will withstand the challenges of the most demanding applications....

We are willing to make every user get quality assurance in using our Swash Plate Check Valve, galvanized gate valve, dual disc check valve . We're known as one of the most professional bellow seal ball valve manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality bellow seal ball valve made in China here from our factory. Contact us for more details.
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