DIAMOND QUALITY & TECHNICAL
Diamond Valve Torque Figures
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Butterfly Valve Torque Figures
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Butterfly Valve Torque Figures lbs/in
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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4.0”
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Max Torque
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54
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54
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120
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120
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180
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204
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Butterfly Valve Torque Figures lbs/ft
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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4.0”
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Max Torque
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4.5
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4.5
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10
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10
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15
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17
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Butterfly Valve Torque Figures Nm
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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4.0”
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Max Torque
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6
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6
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13.5
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13.5
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20.3
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23
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Safety factor not included.
Safety factor will vary depending on process conditions.
Torque figures for valve at ambient temperature, fitted with standard EPDM seals in dry conditions.
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SLIMLINE Ball Valve Torque Figures
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SLIMLINE Ball Valve Torque Figures lbs/in
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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Running Torque
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60
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72
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84
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120
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180
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Break Out Torque
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120
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144
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180
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300
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420
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SLIMLINE Ball Valve Torque Figures lbs/ft
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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Running Torque
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5
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6
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7
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10
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15
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Break Out Torque
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10
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12
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15
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25
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35
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SLIMLINE Ball Valve Torque Figures Nm
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Size
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1.0”
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1.5”
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2.0”
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2.5”
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3.0”
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Running Torque
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6.8
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8.1
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9.5
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13.6
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20.3
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Break Out Torque
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13.6
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16.3
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20.3
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33.9
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47.5
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Safety factor not included.
Safety factor will vary depending on process conditions.
Torque figures for valve at ambient temperature, fitted with standard PTFE seals in dry conditions.
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