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Model NTB/NTC Ball Valve
Brand: Emerson Electric Co.These PFA lined ball valves are used in a wide variety of applications in many industries.
Features- PFA lining offers highest corrosion resistance
- Bubble tight shut-off: precision machined ball and seats guarantees an absolute leak-free valve.
- Full bore offers high Kv-value equal to the pipe
- One-piece ball/stem: no possibility of damaging PFA-lining on ball by the stem, no hysteresis, ideal for flow control applications.
- Specific anti blow-out shaft design, which can not be affected by the media, according API 609.
- Static electricity: any build-up of static electricity is eliminated since the ball/stem and the housing are of the same potential.
- Constant torque: the unique two-piece body construction together with the spring loaded seats guarantee a constant torque even after months of operation. TA-Luft VDI 2440 approved.
- The self adjusting packing is maintenance free and provides a leak free stem seal.
- The handlever features a positive locked position in the open and closed position for type NTB, and 6 intermediate positions for type NTC.
- The body has a thermally applied polyester powder coating (RAL 9002) which offers excellent protection against external corrosion and rust.
- Direct mounting according to ISO 5211.
Specifications
Brand
Direct Mount
- Yes
Enclosure, Body Material
- Ductile Iron
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150#
- 1-1/2” (DN 40) - JIS 10K
- 1-1/2” (DN 40) - PN 16
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150#
- 1” (DN 25) - JIS 10K
- 1” (DN 25) - PN 16
Flange Size - 1/2” (DN 15)
- 1/2” (DN 15) - 150#
- 1/2” (DN 15) - JIS 10K
- 1/2” (DN 15) - PN 16
Flange Size - 2-1/2” (DN 65)
- 2-1/2” (DN 65) - 150#
- 2-1/2” (DN 65) - JIS 10K
- 2-1/2” (DN 65) - PN 16
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150#
- 2” (DN 50) - JIS 10K
- 2” (DN 50) - PN 16
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150#
- 3” (DN 80) - JIS 10K
- 3” (DN 80) - PN 16
Flange Size - 3/4” (DN 20)
- 3/4” (DN 20) - 150#
- 3/4” (DN 20) - JIS 10K
- 3/4” (DN 20) - PN 16
Flange Size - 4” (DN 100)
- 4” (DN 100) - 150#
- 4” (DN 100) - JIS 10K
- 4” (DN 100) - PN 16
Flange Size - 6” (DN 150)
- 6” (DN 150) - 150#
- 6” (DN 150) - JIS 10K
- 6” (DN 150) - PN 16
O-Ring Material
- FKM
Options
- Bare Shaft
- Gear Operator
- Lever Operated
Port
- 30° V-Port
- Full
Seat / Seal Material
- PTFE
Stem Material
- PFA Encapsulated Alloy Steel
Stem Type
- C-Ball Stem
- Standard Ball Stem
Temperature Range
- -40° to 210° C (-40° to 410° F)
Valve Type
- Manual