Delivery Time:1usually within 35 days after received your payment
Certification:WRAS/ ISO 9001

AWWA C504?Resilient Sealing Butterfly Valve , Triple Offset , Ductile Iron

Brief?introduction:

The?butterfly?valve?is?operated?by?the?disc?rotating?form?0°?to?90°,?can?be?applied?to?cut?off?or?regulate

?the?flow?of?medium.?

The?valve?can?be?actuator?by?operating?lever,?handle?wheel?electric?actuator?or?pneumatic?actuator.?

Widely?used?for?potable?water?supply?and?distribution,?waste?water?treatment,?electric?power?plant,?gas

?supply,?warm-air?system,?smelting?plant,?ship?building,?textile,?petroleum,?chemistry,?or?other?light?

industries.

Features:?

⊙ Low?weight

⊙ Compact?structure??????????????????????

⊙ Low?flow?resistance

⊙ Small?operation?torque

⊙ Easy?to?install?and?maintain

⊙ Flow?pattern?tend?to?be?straight??????????????

⊙ Open-close?90°?more?smoothly

⊙ Professional?design

When?initiating?the?rotary?opening?movement?the?disc?is?off-seated?after?only?a?few?

degree?of?opening?movement?and?there?is?very?little?wear?and?tear?between?seat?ring?and?disc.

⊙ Combine?fastness

Stainless?steel?seat?ring?is?rolled?into?the?valve?body?by?applying?special?rolling?technology?

when?DN<1200.??Ultrasonic?spray?applies?seal?of?valve?body?when?DN>1400.??????????????????????

⊙ Adjust?tightness

Rubber?sealing?ring?and?disc?can?adjust?tightness?or?softness?of?sealing?with?clamping?ring,?it?insures?

best?performance?of?adjusting?the?compression?of?sealing.

⊙ Sealing?reliable

Body?and?disc?made?of?ductile?iron?which?promote?the?impact?resistance?and?pressure-bearing?

capacity,?sealing?ring?made?of?rubber?and?valve?seat’s?sealing?surface?is?conical?shaped,?make?the?

sealing?capacity?more?reliable.

⊙ Excellent?corrosion?protection

Inside?electrostatic?epoxy?resin?power?coating?or?vitreous?enamel(upon?request),?outside?electrostatic

?epoxy?resin?power?coating.

⊙ Reliable?health?nature?

Epoxy?resin?power?is?up?to?the?health?standard.????????

Mail?part?&?material?

Body,?Disc:?GGG50?with?internal?and?external?epoxy?resin?coating?

Stems:?1Cr17Ni12Mo2Ti,?Stainless?steel?min.13%Cr?

Bushing?: Bronze?CuAI10Fe3

Seal?ring,?O-ring:?NBR,?EPDM?or?FPM?

Technical?Specification

-Nominal?diameter: 150～2600mm????????

-Nominal?pressure: 1.0/1.6/2.5Mpa

-Strength?testing?pressure: 1.5/2.4/3.75Mpa

-Sealing?testing?pressure: 1.1/1.76/2.75Mpa

Executive?standard

Design?standard	DIN3354
Face?to?face	DIN3202?or?BS?5155
Flange?end	DIN?2501
Test?&?inspection	DIN?3230?or?GB/T?13927
Working?temperature	NBR<80℃;??EPDM<120℃;??FPM<160℃

Main?external?and?connection?dimension

1.0MPa??????????????????????????????????????????????????mm

DN	L	H1	H2	H3	Flange?dimensions?comply?with?DIN?2501
long?type	short?type	O	C	g	f	b	n-d
150	210	140	226	165		285	240	212	3	19	8-23
200	230	152	255	192		340	295	268	3	20	8-23
250	250	165	293	227		395	350	320	3