Long Pattern Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve

Long Pattern 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

Innovation can improve product value, so that demanding to connect our core capabilities with the value that customers cherish, thus to provide customers with unique Triple Eccentric Butterfly Valve, API 6D Ball Valve, Lug Style Butterfly Valve to maximize satisfaction. We hope to start a business partnership on the basis of mutual benefit and successful development. It is the company's long-term development policy to pay attention to product quality and technology investment.

【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.



Our company is a competitive Long Pattern Double-Eccentric Ductile Iron Resilient-Seated Butterfly Valve supplier that has always maintained a good cooperative relationship with domestic and foreign manufacturers and committed to the agency and distribution of various well-known international brands and other high-end imported materials from the original factory for many years. We will provide professional, quality in return for the trust of customers, with most major global suppliers,all of our employees will work together and move forward together. With many years good service and development, we have a qualified international trade sales team.

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