F4 resilient seated gate valve DN350-DN1000

J-Flow Valve & Fitting Industry Co. is a professional valve and pipe fittings manufacturer for potable water and sewage water system. Which include 3 factories for different product production, and the occupied area more than 100000 M². Along with the qualified quality control system as ISO9001:2000, TUV NORD CE material production approval, BV & Lloyd's material production approval. J-Flow can supply kinds of valves and pipe fittings with ductile iron like EN-GJS400-15,EN-GJS400-18,EN-GJS450-10,EN-GJS500-7... grey cast iron like EN-GJL200,EN-GJL-250..miscellaneous iron material code subject to clients' different request. 

1. On -line replacement of top seal: easy installation and maintenance

2. Integral rubber-clad disc: the ductile iron framework is thermal-clad integrally with high-performance rubber, ensuring tight seal and rust prevention

3. Integrated brass nut: by means of special casting process, the brass stem nut is integrated with the disc with secure connection, thus the product is sage and reliable.

4. Flat-bottom seat: the sealing surface of the body is flat without hollow, avoiding any dirt deposit.

5. Wholly-through flow channel:the whole flow channel is through, giving[zero"pressure loss.

6. Dependable top sealing: with multi-oring structure adopted, the sealing is dependable.

7. Epoxy resin coating: the cast is sprayed with epoxy resin coat both inside and outside, and the disc is wholly clad with rubber in accordance with food hygiene requirement, so it is safe and resistant to corrosion.