Butterfly Type Valves
Valves size from 2" to 48", and connection ways can be lugged or semi-lugged wafer style, double flanged style, single flanged style, etc. Working pressures range can be from 150 to 250 psig. Body materials can be cast iron, ductile iron, stainless steel, wcb, etc, and the dis materials can be ductile iron (nickel coated cast iron and nylon coated cast iron are available). Valve seat materials consist of neoprene, silicone, hypalon, viton, buna n, and EPDM.
As a component used to realize the on-off and flow control of pipeline system, the butterfly valve has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. In the well-known butterfly valve technology, the sealing structure of the sealing structure is a plurality of sealing structures, and the sealing material is rubber, polytetrafluoroethylene and the like. Due to the limitation of structural features, it is not suitable for industries such as high temperature resistance, high pressure, corrosion resistance and abrasion resistance.
Suitable temperature: Normal temperature -45℃-150℃
Body: Cast iron/ductile iron/wcb/carbon steel/al-bronze/CF8, ss304/CF8m, ss316
Disc: Ductile iron/ni-plated ductile iron/nylon-plated ductile iron/al-bronze/rubber lined disc/1.2501/1.4529/CF8/CF8m/hastelloy alloy/monel
Stem: ss304/ss316/ss431/17-4pH/monel/carbon steel 45/45#
Seat: NBR/hypalon/EPDM/neoprene/nr/wear-resistant EPDM/viton/silicon/heat-resistant EPDM/white EPDM/EPDM/PTFE
Medium: Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
End flange: ANSI b 16.1, ASTM b 16.47, en 1092, as 2129, ISO pn10/16, JIS b2212/2213, bs 10 table d, bs 10 table e, bs4504
A216 Gr. WCB, WCC, WCA, etc
Low temperature steel
A352 Gr. LCB, LCC, LC1, etc
A217 Gr. WC6, WC9, C5, C12, C12A, etc
A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, etc
CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc
A995 Gr. 4A, 5A, CE8MN, CD6MN, CD3MN, etc
B148 C95500, C95600, C95800, etc
M30C, M35-1, CZ100, etc
CY40 inconel 600, etc
CW2m Hastelly C4, N12MV Hastelloy B, etc
CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc
Are you looking for high quality and durable bags, Naibang Valve is professional in supplying high-end and fashion wafer double disc check valve. We have professional workers designing bags according to different tastes of different customers. Don't hesitate your best bags.
1 Are you a factory or trading company?
We are a factory specialized in manufacturing valves about 20 years.
2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.
3 Do you have a minimum quantity of the products?
No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
4 Can you print our Logo on the valves?
Yes, we can totally produce products according to your special request.
5 What is your lead time?
It's around 25-45 days normally.
6 How can I check your factory situation while it's difficult for me to come to China?
We have photos and videos on our website , It shows every step of the manufacturing.
7 How can you guarantee the quality of products?
First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every valve we sell is qualified.