NACE LUG Triple Offset Butterfly Valve

ZFV NACE LUG triple offset butterfly valve. Valve shown in photo is DN200 ( 8inch ) PN40, design and produced according to EN/DIN stardard. Material of body is cast carbon steel and disc material austenite stainless steel, seat seal stainless steel plate + graphite laminated. NACE MR0175 is a...

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Product Details

ZFV NACE LUG triple offset butterfly valve. NACE MR0175 is a standard which mention requirement for material against corrosion of Sulfur and hydrogen sulfide. If customer have this requirement, the raw material of valve is different from normal material, have to carry out additional process to raw material . 

Products : NACE LUG triple offset butterfly valve  

* Size : DN200

* Pressure : PN40

* Connection Type : Fully LUG ends

* Operation : Bare Shaft with top flange 

* Face to face length : 71mm

* Valve Structure : Triple offset / three eccentric 

* Seal Structure : Stainless steel + graphite

* Application : Power Plant  

* Painting Color : Blue

* Painting Color RAL number : RAL5013

* Suitable Temperature : -29°C ~ 250°C

* Suitale Pressure : < 4.0Mpa

* Suitable service : W.O.G. 

* Provide Matching Flanges and bolts : Availale

* Function : Shutoff

* Material : body material A216 WCB, 

                   disc material A351 CF8M, 

                   seal laminated SS316+graphite.

                   stem 17-4PH

* Standard : Design and manufacture BS EN 593

                    Face to face dimension BS EN 558

                    End flanges dimension BS EN1092-1

                    Test & inspection as BS EN 12266-1

* Origin : Wenzhou City , China 

* EN 10204-3.1 certificate shall be provided


ZFV production Procedures:

1.Valve Design ( for new type )                                              8.Valve Parts Cleaning

2.Valve Casting ( valve forging )                                            9.Valve Assembly

3.NDT ( pressure  600LB or users request )                    10.Pressure Test(shell test,seal test,air test)

4.Material Heating Treatment                                                11.Valve Painting

5.Valve Part cleaning, polishing and blasting                      12.Valve Package

6.Mechanical processing                                                       13.Put Valve into Stock

7.Precisely processing                                                           14.Valve Deliver Out