API 598 LUG Triple Offset Butterfly Valve

API 598 LUG Triple Offset Butterfly Valve

ZFV API 598 LUG triple offset butterfly valve. The valve shown in photo is worm gear operated stainless steel valve. 10inch class 150LB. The valve design and manufacture according to API609, connectional dimension according to ASME B16.5, test and inspect as per API 598. It need to carry out...

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Product Details

ZFV API 598 LUG triple offset butterfly valve. The valve shown in photo is worm gear operated stainless steel valve. 10 inch class 150LB. The valve design and manufacture according to API609, connectional dimension according to ASME B16.5, test and inspect as per API 598.

* 10 inch

* ANSI B16.5 Class 150LB 

* Full LUG ends

* Gear box with reducer

* Torque 1100/N.m

* 2530 Cv figure 

* F-F length 71mm

* Triple offset design

* Laminated stainless steel 316 + graphite layer

* No Need Extended Stem 

* Suitable Temperature : -29℃ ~ 325℃

* Pressure rate < 2.0Mpa

* Suitable service : Acid corrosive service suitable 

* Provide Matching Flanges and bolts 

* Material : Body A351 CF8M , 

                   Disc A351 CF8M, 

                   Seal SS316+gra. , 

                   Stem A182 F316

* Standard : Design and manufacture API 609

                    Face to face dimension API 609

                    End flanges dimension ANSI B16.5

                    Test & inspection as API 598

* Origin : China mainland 

It need to carry out below tests as per standard : shell strength, high pressure hydro sealing, low pressure air test. 

The pressure rate listed as below :

Shell strenth test, apply pressure 1.5 time as design pressure

High pressure hydro sealing test, apply 1.1 time as design pressure

Low pressure air test, apply 0.6Mpa pressure.

Take 150LB valve as example : 

Shell strenth test, 3.0Mpa; 

High pressure hydro sealing test, 2.2Mpa; 

Low pressure air test, 0.6Mpa . 


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