Short Pattern Flange Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve

Short Pattern Flange Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve

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

As soon as the series of 150LB Flanged Butterfly Valve, Metal To Metal Butterfly Valve, 300LB LUG Butterfly Valve were launched, they achieved very good results in the market and sales continued to hit new records. We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress. Creating value for customers is our eternal goal and pursuit. Our company has a professional, dedicated and experienced technical, production and management team, and actively introduces advanced production and testing equipment to implement total quality management. Presently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. We continuously improve the core competitiveness of the enterprise, so that the enterprise can establish a good social image in the development.

【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 emphasize enhancement and introduce new solutions into the market just about every year for Short Pattern Flange Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve. We take 'Quality Products, Star Service' as the company's eternal promise to customers. We are willing to cooperate sincerely with more domestic and foreign merchants and make progress together! Our core content is to help our customers to improve their production efficiency and to be your efficiency partner, to help our customers to reduce costs and to be your profitable partner.

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