BS5155 DIN3202 API609 Double Flange Triple Offset Butterfly Valve with Gear Operation

BS5155 DIN3202 API609 Double Flange Triple Offset Butterfly Valve with Gear Operation

Flange Triple Offset Butterfly Valve can be widely used in chemical、fertilizer、metallurgy、system Pharmaceutical、power、oil gas 、steel works、wineries、paper mills、coal mines...

Product Details

Our 24 Inch Butterfly Valve, Gear Butterfly Valve, Lug Triple Offset Butterfly Valve has won wide praise and all customers praise, for which we are deeply honored, and will not change the original will continue to struggle for the majority of customers. Moreover, customer satisfaction is our eternal pursuit. Welcome and thank you for your inquiry, we will provide you with high-quality products and satisfactory service at any time. With outstanding quality and excellent service, we have won the trust and praise of customers abroad. Since we have accumulated extensive technical experience, our customers can be assured in terms of product quality, technical support and after sales service.

【Product Introduction】:

ZHEJIANG ZHENGFENG VALVE Flange triple offset butterfly valve, which is triple offset design, can withstand up to 900 LB level, temperature as low as -196 ℃, up to 700 ℃, sealed to zero leakage, control ratio up to 100: 1 or more. In other words, in a variety of harsh, critical process control pipeline, whether it is switch valve or control valve, the three eccentric butterfly valves will be your best choice, which is safe and low cost.

The valve main materials include 304, 304L, 316, 316L, A105, WCB,Hastelloy , Inconel, LC2, LC3,LCB, WC6, WC9, C5, 4A, 5A, Monel, nickel alloy, titanium alloy, 20 alloy steel etc.


【Product Details】:

Size12''
PressureClass 150
Connection TypeFlange ends
Operation Manual gear box
Torque2300/N.m
Cv figure in Full Open Position3780
Face to face length178mm
Painting ColorBlack
Painting Color RAL numberRAL9005
Suitable Temperature-29°C ~ 280°C
Suitale PressurePN<2.0Mpa
ApplicationIndustrial application
Valve StructureTriple offset
FunctionShutoff
Suitable serviceWater , Oil and gas
OriginChina


【SEAT OVERLAY TECHNICS COMPARITION:

A0FF751B7CB7C6B0F2CF612D666DE857 - 副本_副本  VS  IMG_5793 IMG_5793

                                 ZFVLAVES                                             OTHERS


The procedure of surfacing the sealing surface of ZFVALVES seat is as follows:            

1. The wire number is Stellite 6.            

2. Welding wire shall be filament (diameter 3.2 mm or 4.0 mm)            

3. Argon Arc Welding (TIG)            

4. Surfacing thickness not less than 4.5 mm            

5. Preheating temperature 150-200 degrees Celsius            

6. The interlayer temperature is about 500 degrees Celsius, the number of surfacing layers is 2, the post-weld heat treatment temperature is 700 degrees Celsius, and the heat preservation time is 3 hours.            

7. Surfacing width according to design drawings            

8. No porous impurities or cracks are allowed in the surfacing layer.           

9. Hardness of weld layer HRC38-42            

*Attention: Surface roughness of valve seat before surfacing is above Ra12.5 micron. Surface contamination such as rust, grease and water should be strictly cleared. No cracks, spalling and other defects should be allowed.


We are committed to provide BS5155 DIN3202 API609 Double Flange Triple Offset Butterfly Valve with Gear Operation that is reliable and simple to use relying on our scientific and process management, as well as continuous innovation and improvement. We meet the needs of customers in various industries with world-leading technology, rich industry experience and thoughtful pre-sales, in-sales and after-sales services. With the development of science and technology, products are updated faster and faster, and we find that consumers have higher and higher requirements for product individuation, quality and delivery.
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