BHP butter f ly valves are available in both lugged > a nd wafer bodies in sizes 248" (50֖1500mm). Body materials include C arbon S teel, 316 stainlesssteel, and 317 stainless steel ( D eZURIK BHP Hi g h Performance Butterfly Valves are s C lass 150 lugged p ecially desi g ned for a pp lications in the chemical,hydrocarbon o n l y ) . I n a ddi t i on, D e ZURIK regu l ar l y supp li es va l ves p rocessin g , p ul p & p a p er, and HVAC i n materials such as Hastelloy C , Monel, Inconel, Duplex i ndustries worldwide. The valve was desi g ned with an understandin S tainless S teel, and Titanium...

Flange drilling conformance to AN S I 150, PN10 / 16 ( I SO , DIN, B S , JI S) and AN S I 300, PN25 / 40 ( I SO , DIN, B S , JI S) . > F y re-Block , PTFE , and reinforced PTFE seats p rovide full bi-directional seatin g . > BHP lu gg ed body style allows installation in dead- e nd service to the f ull p ressure ratin g o f the valve. > S tandard construction provides effective sealing with AN S I B16.20 gaskets ( formerly API 601 ) . The s tan d ar d se at r e ta i n e r is d r illed t o m ee t t he requirements of API 609 standard. As an option, a n un d r ill e d seat reta i ner i s ava il...

T o ensure accurate and reliable per f ormance, BHP butter f ly valves have been tested to the most d emanding industry speci f ications : Performance tested in up to 5 % consistency pulp stock isolation . Օ Tested for over 1 million cycles in oxygen manu f acturing service with zero leakage. Fire tested to API 607 3rd and 4th edition . Օ Tested in hot hydrogen peroxide service f or over 75, 000 cycles with zero leakage. A ccuracy to repeat s i gna l c h anges as sma ll as 0.5 % of total signal . > The High Performance Butterfly Valve with F yre-Block ծ seat qualify to API 607 4th edition f ire...

S ingle offset disc design provides uninterrupted3 DeZ U RIK uses a reliable method f or disc-to-sha f tpinning. The 212" (50֖300mm) valves utilize 6 0 sealing surface. The pressure balanced d isc reduces the possibility of unintentional disc a we d ge-s h ape d , tangent i a l p i n w i t h a l oc ki ng taper to ensure a t o pen i ng w h en i n t h e c l ose d pos i t i on. Th e s i ng l e i g h t connect i on b etween di sc o ff se t di sc al so minimiz es th e am ou nt o f se at-to-disc interference, lowering operating torque, a nd shaft. O n 14" (360mm) and larger, two pins mounted in compression...

PTFE o r Pressure assisted so f t seats, in either PTFE and rein f orced PTFE, offer bi-directional bubble tight shutoff. Soft seat > RTFE S eatTitanium or Inconel Back-Up RingBodyGasket o ptions include either a titanium or Inconel back-up ringwhich utilizes hoop stress to provide memory f or the seat. > Seat Retainer F or high-temperature applications to 700F ( 370а C) as s tandard and to over 1000F ( 538а C) , a metal seat of 316 s tainless steel provides F C I 70-2 / AN S I B16.104 C lass IV or V shutoff even at elevated temperatures. For increased economy in applications to 450F > Seat RetainerMetal...

DeZURIKs Class IV and Class V metal seated valves have a g asket between the valve body, seat and seat retainer which p rovides an inde p endent static seal. Without this seal, corrosion or p ittin g on the body o r seat retainer could cause leaka g e around the seat. T his is o f p articular concern in valves o f carbon steel construction, or in a pp lications where stainless steel i s p rone to p ittin g due to corrosive p reci p itation . > T he valve shaft is fully su pp orted with bearin g s f or hi g h cycle ca p ability. Two bearin g o p tions are a vailable: PTFE and solid metal (Nickel...

D e ZURIK BHP va l ves are eas il y repa i ra bl e. I n t h e un High Per f ormance Butter f ly Valves are compatible lik e l y event t h at a seat, di sc or b ear i ng nee d s to with all DeZURIK standard actuators including levers, b e rep l ace d , t h e va l ve can b e eas il y di sassem bl e d . Internal valve components can be easily replaced or repa h an d w h ee l s, c h a i nw h ee l s, P ower R a c cy li n d er, spr i ng d iaphragm, and Compak Ι actuators. i re d i n m i nutes, not h ours. Th ere are no we ld s to remove or pins to drill out, and all f asteners are common sizes. All...