Design: Factory std;
Manufacture: C;
Flange: ANSI b16.5, DIN2532/2533, bs 4504;
Bolt cover; Soft seal;
Material and working temp.:
Cast iron and ductile iron: 0 c-80 c(32 f-176 f)
Buna-n: 0 c-71 c(160 f) maximum
EPDM: 0 c-80 c(176 f) maximum
Pressure rating: Pn6-pn25
Size: Dn20-dn600

Main valve:
Parts and material:
1. Body ( ASTM a126-b/a536, wcb, cf8, cf8m )
2. Seat ( alloy brass/stainless steel )
3. Stem ( 2cr13/ss304/ss316 )
4. Disc plate ( ASTM a126-b/a536, wcb, cf8, cf8m )
5. O-ring ( NBR/EPDM )
6. Seal ring ( NBR/EPDM )
7. Disc ( ASTM a126-b/a536, wcb, cf8, cf8m )
8. Diaphragm ( NBR /EPDM )
9. Plate ( ASTM a126-b/a536, wcb, cf8, cf8m )
10. Nvt ( carbon steel/stainless steel )
11. Cap ( ASTM a126-b/a536, wcb, cf8, cf8m )
12. Spring ( stainless steel )
13. O-ring ( alloy brass/stainless steel )
14. Bolt ( carbon steel/stainless steel )
15. Nut ( carbon steel/stainless steel )

Parts and material
1. Main valve ( ASTM a216-b, a536, wcb, cf8, cf8m )
2. Control pipeline ( rose copper c11000 )
3. Strainer ( brass astme c27400 )
4. Needle valve ( brass astme c27400 )
5. Guide valve ( brass astme c27400 )
6. Pressure gauge
7. Ball valve ( brass astme c27400 ).