Hot Types Ductile Iron Center Line Lug Butterfly Valve PFA Liner

Product Description

onstruction is as follows 

Name	Butterfly valve
Size	2"~80"; DN50~DN2000
Normal pressure	Class 125LB~250LB; PN10~PN25
Body material A	Cast iron: ASTM A126CL.B, DIN1691 GG25, EN 1561 EN-GIL-200
Body material B	Ductile iron: ASTM A53665-45-12,  DIN 1693 GGG40,GGG50, EN1563 EN-GJS-200
Design standard	API 609, AWWA C504,MSS SP-67; DIN 3354,EN593,BS5155
Marked	MSS SP-25
End flange	ANSI B 16.1,ANSI B16.5,ASME B16.42; EN1092-2,DIN 2501,BS 4504-2,ISO 7005
Face to Face	API 609,MSS SP-68; DIN3202,EN558-1,EN12982,ISO 5752
Top flange	ISO 5211
Test standard	API598; DIN3230,EN12266,ISO 5208
Suitable temperature	-10~150°C
Medium	Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Operation	Hand Operated,Gear Operated, Electrical Actuated, Pheumatic Actuated

Structure

- Disc: Concentric, Single offset, Double offset, Triple offset.

- Seat: Soft Seat/Metal Seat (EPDM, PFA, PTFE, Steel)

- Leak proof - Positive shut-off.

- Phenolic Backed Seat.

- One piece thru' Shaft.

- Fire Safe Design

- Flanged Ends to ASME B16.1; EN1092-2,DIN 2501,BS 4504-2,ISO 7005

- Operation:Bore Stem, Manual, Mechanical actuator, Electric actuator, Pneumatic actuator.

- Application: used in large diameter (LV) air,gas pipes road and water routes

- Clockwise closing direction

Main Part & Materials

Part Names	Part Materials
Body	A126CL.B	GG25	EN-GIL-200	A53665-45-12	GGG40	GGG50	EN-GJS-200	Al-Bronze
Yoke	A126CL.B	GG25	EN-GIL-200	A53665-45-12	GGG40	GGG50	EN-GJS-200	Al-Bronze
Gland	A126CL.B	GG25	EN-GIL-200	A53665-45-12	GGG40	GGG50	EN-GJS-200	Al-Bronze
Bolts/Nuts	35/45	35/45	35/45	35/45	35/45	35/45	35/45	B8M/8M
Disc	Al-Bronze,DI,CF8,CF8M
Stem	Carbon steel,SS410,SS304,SS316,MONEL K500
Taper Pin	Carbon steel,SS410,SS304,SS316,MONEL K500
O-Ring	NBR, EPDM, Neoprene,
Seat Ring	NBR, EPDM, Neoprene, PTFE,  , PFA,SS304+Graphite, SS304+PTFE
Packing	Graphite/PTFE
Bonnet   Gasket	SS304+Graphite/SS316+Graphite
Suitable Medium	FreshWater,Sewage,SeaWater,Air,Vapour,Food,Medicine,Oils,Acids,Alkalis,Salts,Etc.
Suitable Temperature	BUNA-N(NBR)≤80°C  EPDM ≤120°C  VITON ≤150°C

SIZE:

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Company  Introduction 
FAQ
Q:Why choose us ?
A: we are a manufacturer, we have manufactured valve for over 20 years .
B. We have our own casting foundary in a large scale

Q. what is your payment term? 
 A: T/T , L/C or other acceptable payment.
 
Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
 
 Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
 
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
 
Q: If products have some quality problem, how would you deal with?
A: We will responsible for all the quality problems.
 
Q:How about your capacity?
A:We have 300staffs,own 50 CNC machines,and five persons  in charge of quality inspection and 5 engineers. Our 6 casting block workshops
can both ensure on time delivery and quality that last.