DIN/ANSI PVC Butterfly Valve for Water Supply

DIN/ANSI PVC Butterfly Valve for Water Supply

Low Temperature Butterfly Valve mainly used for ethylene, liquefied natural gas units, natural gas LPG LNG storage tanks...The valves control the temperature, prevent the explosion, leakage and other hidden dangers.

Product Details

Looking forward to the future, we will continue to gather elites, integrate industry resources, create a corporate image of 'integrity, standardization, stability, and strength', and lead the development of the Trunnion Ball Valve, Water Butterfly Valve, Lever Butterfly Valve industry. Our company provides the most comprehensive services and cooperation to our customers in the spirit of great breadth of mind. Our company's integrity, strength and product quality have been recognized by the industry. We will warmly welcome you to become our business partner with our high-quality service. Friends from all walks of life are welcome to visit, guide and negotiate business.

【Product Introduction】:

Low Temperature Butterfly Valve is valve suitable for service that temperature -46 Degree C ~ -196 Degree C,Is one of the main products of our ZFVALVES.For using in cryogenic situation, the extended stem/bonnet design shall be applied. Extended stem/bonnet butterfly valve can be provided by ZFV according to customer requirement. 

ZFVALVE after years of manufacturing, has accumulated rich experience, from design, technology to manufacturing increasingly mature, and has developed a series of low-temperature valve products.Please see below details;


Basic Information】:

* Nominal Diameter: 16 inch

* Nominal Pressure: 150LB

* End Type: Butt Welding

* Operation: Gearbox with extended stem

* F/F length: 310mm

* Body: SS316

* Disc: SS316

* Stem: A182 F316

* Seal: Stainless steel layer laminated with graphite

* Extended Stem : Yes

* Suitable Temperature : -46°C ~ -196°C

* Suitable service : Low temperature service

* Design standard: API 609

* Face to face dimension: API 609

* Extended stem standard: BS 6364

* Origin : Wenzhou / CHINA


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Application Of Low Temperature Butterfly Valve】:

1.Main Meterial: A352-LCB(-46℃)、LC3(-101℃)、A351-CF8M(304)(-196℃)

2.Pressure range: 150、300、600、900LB

3.Connection tyoe: Flange、Wafer、LUG type、Butt Welding...

4.Seat using welded structure, the sealing surface surfacing welds the cobalt base hard alloy, guarantees the valve sealing performance.

5.Used extended stem or extended-bonnet design to protecting the stuffing box of the cryogenic valve.

6.After special low temperature treatment, the rough parts are placed in the cooling medium for several hours (2-6 hours) to release the stress and ensure the low temperature performance of the material

7.Low temperature valves manufactured by ZFVALVES are subjected to cryogenic treatment and impact test according to the corresponding material specifications.



We have been accumulating experience and actively introducing new technologies. We always believe that only by continuously satisfying the various needs of customers and providing them with excellent DIN/ANSI PVC Butterfly Valve for Water Supply and services can we gain a place in the future market competition! Our company is strong and has become a highly competitive company under the scientific management and honest operation. We design products, According to customer's sample and requirements, to meet the needs of the market and offer different customers with personalized service.

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