Specifications

PTFE wafer butterfly valve with pneumatic drive:
Material: iron, steel, stainless steel, bronze.
Size: 1 1/2"-48"

1. Product Description:

 

Materials list
Item	Part Name	Materials
1	Body	Cast Iron: ASTM A126CL.B, DIN691 GG25, EN1561 EN-GJL-200; GB12226 HT200;
		Ductile Cast Iron: ASTM A536 65-45-12, DIN 1693 GGG40, EN 1563 EN-GJS-400-15, GB12227 QT450-10;
		Stainless Steel: ASTM A351 CF8, CF8M; CF3, CF3M;
		Carbon steel: ASTM A216 WCB
2	Stem	Zinc Plated Steel;
		Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416
3	Taper Pin	Stainless Steel: ASTM A276 Type 304, Type 316; EN1.4501
4	Seat	NBR, EPDM, Neoprene, PTFE, Viton
5	Disc	Ductile Cast Iron (Nickel plated): ASTM A536 65-45-12, DIN 4693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10;
		Stainless Steel: ASTM A351 CF8, CF8M; CF3, CF3M; EN1.4408, 1.4469; 1.4501;
		AL-Bronze: ASTM B148 C95400
6	O-Ring	NBR, EPDM, Neoprene, Viton
7	Bushing	PTFE, Nylon, Lubricated Bronze;
8	Key	Carbon steel

 

 

 

2. Company Information:

 

BESTFLOW INDUSTRIAL CO., LTD. is one of professional manufacturers and exporters of valves in China. The products includes: gate valve, globe valve, check valve, butterfly valve, ball valve etc., they are widely used the valve systems of nuclear power plants, power station, water, natural gas, petrochemical, oilfields, fire-fighting, ship buildings, engineering fields and construction industry.

Depend on advanced production technology and equipment, strict quality management and control, good service and competitive prices, win a good reputation in the domestic and foreign customers, and exported the products to Europe, America, Middle East and southeast Asian, over 50 countries and areas.

 

Our Certificates:

 

  

 3. Our Service:

 

BESTFLOW INDUSTRIAL CO., LTD.

 

Add: No. 63, TECHNOLOGY PARK, QINGDAO, CHINA

 

TEL:+86-532-55576189                 FAX:+86-532-55576192

 

SKYPE: LINDA.BFW                        WEBSITE: