Stainless Steel SS316L Sanitary Butterfly Valves

Stainless Steel SS316L Sanitary Butterfly Valves

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

Facing the market demand of different customers at home and abroad, we combine the experience of the same trade, constantly push the old and bring forth the new and perfectly realize the upgrading of series Class 150 Triple Offset Butterfly Valve, Bidirectional Triple Offset Butterfly Valve, API Butterfly Valve. It can meet the needs of different countries and regions and different levels of customers. While using the tenet of 'faith-based, customer first', we welcome customers to phone or e-mail us for cooperation. We supply an amazing selection of high-quality merchandise. We adhere to the belief of 'quality for survival, integrity for development'. In all aspects of production, our company always adheres to quality as the root, implements staff participation in quality supervision and strives to create high-quality products.

【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.



With advanced technology, high-quality raw materials, and professional quality, our Stainless Steel SS316L Sanitary Butterfly Valves has exported to many countries and regions in the world, and has won unanimous praise in the market. Our company has a wide range of customer resources and market resources all over the world under the efforts of a high-quality and experienced excellent team, and accumulated good corporate reputation and brand image. We guarantee that all products are in good and normal condition, which is free from any defects in materials and workmanship complying with industry norms and standards.
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