V Type Ball Valve

Product Description

It is the V type ball valve
Product characteristics
1. The shearing function is enjoyed between V-shape-cutting ball core and meat seat, so as to be specially suitable for the mediums with fibre, mini solid particle and slurry etc.;
2. V-shaped cutting ball valve, driven by worn wheel, has capacity of regulation and creditable location, the flow rate of which employs approximate percentage with wide regulative range.
3. The mobile valve seat, which loaded with plate spring, enables the seat and ball core to result in no block and no break, but reliable in seal and long service life.
Application norm
1. Design manufacture according to GB 12237-89
2. Face to face according to GB 12221-89
3. End flange dimension according to JB 79-94
4. Valve check and test according to GB 13927-89
Main parts and materials

NO. Parts name Material standard
Standard
Carbon steel stainless steel
GB ASTM GB ASTM
1 Stud 35CrMoA A193-B7 1Cr17Ni2 A193-B8M
2 Nut 45 A194-2H OCr18Ni A194-8M
3 Lower cover 25 A105 1Cr18Ni9Ti F304/F316/
1Cr18Ni12Mo2Ti F304L/F316L
4 Gasket Viton; PTFE; Wafer metal and graphite
5 Thrust bearing PTFE
6 Lower stem bearing PTFE
7 Lower stem 2Cr13 A276-410 1Cr18Ni9Ti F304/F316/
1Cr18Ni12Mo2Ti F304L/F316L
8 Ball ZG1Cr18Ni9Ti CF8 1Cr18Ni9Ti F304/F316/
Nitriding Nitriding 1Cr18Ni12Mo2Ti F304L/F316L
Nitriding Nitriding
9 Body WCB A216-WCB ZG1Cr18Ni9Ti CF8/CF8M/
ZG1Cr18Ni12Mo2Ti CF3/CF3M
10 Seat O-ring Viton Viton Viton Viton
11 Lower 2Cr13 A276-410 1Cr18Ni9Ti F304/F316/
Nitriding Nitriding 1Cr18Ni12Mo2Ti F304L/F316L
Nitriding Nitriding
12 Ball key 40Cr 40Cr 1Cr17Ni2 1Cr17Ni2
13 Up stem bearing PPFE; PPL PPFE; PPL PTFE; PPL PTFE; PPL
14 Stem packing Graphite
15 Packing 2Cr13 A276-410 1Cr18Ni9Ti F304/F316/
Pressure ring 1Cr18Ni12Mo2Ti F304L/F316L
16 Gland WCB A216-WCB ZG1Cr18Ni9Ti CF8/CF8M/
ZG1Cr18Ni12Mo2Ti CF3/CF3M
17 Screw nail 35CrMoA A193-B7 1Cr17Ni2 A193-B8M
18 Yoke WCB WCB WCB WCB
19 Stem 2Cr13 A276-410 1Cr18Ni9Ti F304/F316/
1Cr18Ni12Mo2Ti F304L/F316L
20 Key 40Cr 40Cr 1Cr17Ni2 1Cr17Ni2