Made in China FM Approved Ductile Iron Manual Operated Flange Type Butterfly Valve with Tamper Switch

Made in China FM Approved Ductile Iron Manual Operated Flange Type Butterfly Valve with Tamper Switch

* Nominal size: 20''
* Pressure rate: 300LB
* Connection Type: Flanged ends
* Design standard: API 609
* End flange dimension: ASME B16.47 series B

Product Details

We uphold a consistent level of professionalism, quality, credibility and repair for Lug Style Butterfly Valve, DN350 LUG Butterfly Valve, Big Size Butterfly Valve. The relationship between the company and its clients is gradually strengthened. Immediate and specialist after-sale service supplied by our consultant group has happy our buyers.

【Company Introduction】:

ZHEJIANG ZHENGFENG VALVE CO.,LTD is one professional Butterfly valve manufacturer in CHINA.Our company is keep innovation, the products are mainly based on ISO, API, ANSI, BS, DIN NF, JIS, GB,  JB and other standard production.The operating temperature -196 degrees C, ~680 degrees. The main materials include 304, 304L, 316, 316L, A105, WCB,Hal alloy, LC2, LC3,LCB, C4, 2520, 2205,  Monel,alloy steel etc..


【Product Details】:

* Size: 20‘’(DN500)

* Class: 300LB

* Connection Type : Double Flange ends

* Operator: Gearbox

* Body: A216-WCB

* Disc:  A351-CF8

* Seal: SS316+Graphite

* Stem: 17-4PH

* Seat: SS316

* Face to face length : 350 mm

* Design standard: API 609

* Color No.: RAL 7040

* Operating Temperature : -29°C~425°C

* Country of origin: CHINA


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【Manufacture Precess】:

Our aim is not to allow defective products to injure our brand.Order production process and effective work is the basis for achieving success.We will use advanced processing equipment,topping test equipment to ensure the stability.Below is our zhengfeng valve production flow:

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Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Made in China FM Approved Ductile Iron Manual Operated Flange Type Butterfly Valve with Tamper Switch. We insist that the quality standards of each product must be higher than the industry one level to ensure the products can achieve uniform standards and consistent quality. We get a field survey of our merchandise.

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