Double flanged type centric butterfly valve

Product Description

TYPE: TH**7
Name: Double flanged type centric butterfly valve
Size: DN**-DN***0
Class: PN*0/PN*6, Cl**5/ CL**0;
Working pressure:**0℃-***0℃;
Suitable Mediums: fresh water, sewage, sea water, air, oil, acids alkails, salts, etc.
Standard:
Design & manufacture according to API **9, MSS SP**7, BS***5, BS EN**3;
FACE TO FACE: DIN***3, API**9, MSS SP**7, BS***5, BS EN**8; ISO***2;
TOP FLANGE: ISO***1;
 
Body: cast iron/ GGG*0 ductile iron or others;
Bushing: PTFE-F4;
Seat: EPDM;
Shaft: SS**6 or others;
Disc: GGG*0 ductile iron or other material;
Pin: SS**6;
Bolts:C*5E/***5/ **4 or SS**1 stainless steel;
Gearbox: GGG*0;