API 609 Nickel Aluninum Bronze Lug Wafer Butterfly Valve

API 609 Nickel Aluninum Bronze Lug Wafer Butterfly Valve

* Size: 5inch
* Class: 150LB
* Full LUG end
* Bare shaft without actuator
* 160/N.M Operation Torque
* Sea water application

Product Details

Our company's wafer pattern butterfly valve, Triple Eccentric Butterfly Valve, butterfly valve limit switch are not only rich in categories, but also of high quality. We have a good reputation among new and old customers. What we do is not only products, but also ourselves. Our company adheres to the management policy of 'striving for the first with quality and winning with sincerity', as well as the perfect service system and high-quality team, which wins the praise of the society and the majority of consumers. Our goal is to build a world-class enterprise with international competitiveness, to achieve value-addedness for shareholders, increased efficiency for the enterprise, increased income for employees, and increased profitability for the company. You are able to send us emails and contact us for consultation and we shall respond to you as soon as we can. All members sincerely thanks for all old and new customers' support.

【Performance Specification:

The Bronze Butterfly Valve is designed so that the stem and disc concentricity are on the same line and perpendicular to the valve body. The valve body adopts a split type, and the sealing at both ends of the valve shaft is controlled by the fluorine-based rubber on the rotating base between the valve disc and the valve seat to ensure that the valve shaft does not contact the fluid medium in the pipeline. 

Copper alloy valves are especially suitable for medium seawater and brine, and are usually used for medium and low pressures.


【Product Explanation】:

* LTD71X-5''-150LB

* 180/N.M Operation Torque

* Tight sealing type

* Sea water application

* Epoxy finishing painting

* Suitable pressure less than 16Bar

* Material : body Ductile Iron

* Disc: Bronze A148 C95800

* Seat: rubber EPDM

* Shaft: Monel K500

* Design and manufacture API 609

* Origin : China


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【Operating Temperature

Suitable using temperatureSoft-sealed butterfly valves are suitable for hot and cold water systems with temperature 100 C. The maximum service temperature of the sealing ring of the soft-sealed butterfly valve (all kinds of commonly used rubber and PTFE):

1. NBR < 80 ℃, EPDM < 120 ℃, PTFE < 150 ℃. 

The maximum service temperature in acid-base medium is: 

1. Chloroprene rubber: nitric acid (10%) 29 ~℃; citric acid 29 ~℃; sodium hydroxide 93 ~℃. 

2. Butyl rubber: sulfuric acid (50%) 66 ℃; nitric acid (10%) 40 ℃; NaOH 85 ℃.

3. F4: sulfuric acid (0-100%) 180 ℃; nitric acid (0-100%) 180 ℃; sodium hydroxide 180 ℃.


We work to improve product quality and create more stable and professional API 609 Nickel Aluninum Bronze Lug Wafer Butterfly Valve to ensure quality operations. In the new century, we promote our enterprise spirit 'United, diligent, high efficiency, innovation', and stick to our policy 'basing on quality, be enterprising, striking for first class brand'. Our company has established a complete customer service system in order to respond quickly and bring value-added services to our customers.

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