Tufline Sleeved Plug Valves

 

Flow Data


 

Tufline® 3-Way Full Ported Sleeved Plug Valves
Technical Data

 

3-Way port arrangements

Tufline 3-Way Weld End valves bring economy, flexibility, and more compact system design to thousands of applications.

 

Bi-directional flow for more flexibility

In the diagram the color indicates the path of fluid flow. Bi-directional flow provides more system design options.

 

Shutoff

Only the Type A plug will shut off the flow. With Type AX, C, and D plugs, there is always flow between two or more ports. Cv factors for valve sizing.

 

Tufline - Full Ported Plug Configurations

 

Tufline® Sleeved Plug Valves
Technical Data

Class 150 & 300

Size 2-Way 3-Way
A,AX,C
pos.
3-Way
D pos.
0º & 180º
3-Way
D pos.
90º
½ 9 7 4 5
¾ 9 7 4 5
1 43 20 11 17
89 40 21 37
2 172 70 40 47
294 100 54 87
3 294 100 54 87
4 548 175 94 159
6 1075 350 210 255
8 1591 475 360 450
10 2159 650 450 750
12 3200 965 650 1000


Operating torques.

(Inch-Pounds)
Figures are for 2-Way valves with UHMWPE or PFA sleeves. Consult factory for torque adjustment factors for other sleeve materials.

Class 150 & 300

Size Break torque Seating Torque Running Torque
½ 280 160 140
¾ 280 160 140
1 800 500 400
1600 1000 800
2 2400 1400 1200
3 2400 1400 1200
4 4800 2900 2400
6 10000 6000 5000
8 15,600 9,400 7,800
10 28,800 17,200 14,400
12 42,000 25,200 21,000

 

Tufline Vave - Technical Data


Tufline® Sleeved Plug Valves

2-Way and 120º 3-Way Full Port Sleeved Plug Valves

Tufline Valve - Port arrangements

Port arrangements

In the diagrams at the left, the color indicates the path of fluid flow.


120º 3-Way Full Port

Cv and torque values

Size Cv Factors for Valve Sizing Valve Break Torques
[in-lbs]
(UHMWPE or PFA sleeve)
1 36 600
90 3000
2 175 3000
3 400 14,040
4 725 15,120
6 1750 34,000
8 3200 64,000


2-Way Full Port

Cv and torque values

Size Cv Factors for Valve Sizing Valve Break Torques
[in-lbs]
(UHMWPE or PFA sleeve)
¾ 50 800
1 100 1,000
270 2,200
2 450 2,880
3 1,130 7,200
4 2,200 9,600
6 5,350 34,000
8 10,400 64,000
10 15,850 150,000
12 22,000 200,000

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