Penglai Huande Steel Valve CO., LTD.

2 Piece Internal Threaded Ball Valve

2 Piece Internal Threaded Ball Valve
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Threaded.ends: ANSI.
B2.1.BS.21, DIN259/2999.JIS.
Material:.CF8M.CF8.CF3M. WCB
Penglai Huande Steel Valve Co., Ltd exports precision casting floating ball valves. Our 2 piece internal ball valves are produced by the craftwork of wax injection and de-wax. In every process, our products are checked by trained employees so that we can guarantee the good quality of our products. Usually, we use the material of CF8M, CF8, WCB, 304 to produce 2 pc internal ball valves. The Size is from DN8 to DN50. It can be widely used in petroleum, chemical, food, medicine, railway, water treatment, steel, metallurgy and other industries.

The operating processes are as follows:

Open process:
In the closed position, the ball is pressed by the valve stem and pressed against the valve seat. When the handwheel is turned counterclockwise, the valve stem moves in the opposite direction, and its bottom angular plane disengages the ball from the valve seat. The stem continues to lift and interacts with the guide pin in the spiral groove of the stem, causing the ball to begin rotating without friction. Until the fully open position, the stem is raised to the extreme position and the sphere is rotated to the fully open position.

Close process:
As the handwheel continues to rotate, the valve stem is acted upon by a guide pin embedded in the helical groove thereof, causing the valve stem and the ball to rotate by 90° at the same time. When closed, rotate the handwheel clockwise and the stem begins to lower and the ball moves away from the seat. When it is about to close, the ball has rotated 90° without contact with the valve seat. For the last few turns of the handwheel, the angular plane at the bottom of the valve stem is mechanically wedged against the ball so that it presses tightly against the valve seat and is completely sealed.

Size of 2 Piece Internal Threaded Ball Valve:

Size 1/4 3/8 1/2 3/4 1 11/4 11/2 2 2 3 4
DN 8 10 15 20 25 32 40 50 65 80 100
Φd 11.6 11.6 15 20 25 32 38 50 65 76 94
L 46.8 48.5 58 65.7 77 90 98 120 145 166 214
LO 105 105 105 128 128 158 158 194 248 248 330
H 44 44 48 61 62 79 86 90 118 126 176

Specification of 2 Piece Internal Threaded Ball Valve:

No. Drawing.No. Name Material QTY
1 V2-0001 Body CF8M 1/1
2 V2-0002 Cap CF8M 1/1
3 V2-0003 Ball CF8M 1/1
4 V2-0004 Stem 11/11 1/1
5 V2-0005 Seat PTFE+3%GF 1/2
6 V2-0006 Gasket PTFE 1/1
7 V2-0007 Thrust.washer PTFE 1/1
8 V2-0008 Stem.packing PTFE 1/2
9 V2-0009 Gland 10/30 1/1
10 V2-0010 Spring.washer 10/30 1/1
11 V2-0011 Nut 10/30 1/1
12 V2-0012 Stopper 10/30 1/1
13 V2-0013 Handle 10/30 1/1
14 V2-0014 Handle.sleeve Rubber 1/1

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