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Burkert - Type 2712 - Pneumatically operated 2-way globe control valve

Burkert – Type 2712 Pneumatically Operated Globe Control Valve 2 Way

จุดเด่นของ Type 8681

  • High operative safety
  • High life ycle and variability by removable trim kits
  • Robust actuator with modular accessory program
  • Excellent control characteristics with compact housing
  • Stainless steel housing with flange, thread or weld end connection
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2 Way Pneumatically Operated Globe Control Valve

The 2712 system has been specifically engineered for reliable control in applications where control accuracy is paramount. The 2712 is made from an all stainless steel valve body combined with Burkert’s classic pneumatic actuator. Each globe valve body can be fitted with three to five sizes of trim sets. These parabolic trims provide a reliable and repeatable characteristic to vary the flow. The control cones are available in either stainless steel or with a durable PTFE seal for tight shut-off. When actuated by the 8635 SideControl, SideControls 8792/93 Remote versionsor the 8694/8692/8693/ 8630 TopControl it forms a unique control valve system which can be operated as either a simple accurate positioner or an autotune PID process controllerfor flow, temperature or pressure. The actuator sizes F (80mm) to H (125mm) of Type 2712 are not available anymore since July 2020. The successor type is 2301

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type 8681

General Technical Data

Product properties
Dimensions Detailed information can be found in chapter “6. Dimensions” on page 7.
Material Detailed information can be found in chapter “5. Materials” on page 5.
Design Globe control valve
Nominal diameter DN10…DN100, NPS ⅜…NPS 4
Safety setting in case of power failure Normally closed (control function A), normally open (control function B)
Flow direction Flow to open (below seat)

Performance data
Operating pressure 0 bar(g) … 25 bar(g), vacuum version up to – 0.9 bar(g) (Option) see “7.1. Fluidic data” on page 13
Nominal pressure PN25 (DIN EN 1333), Class 150 (DIN EN 1759)
Seat leakage
acc. to DIN EN 60534-4:2006		 Leakage class III and IV for stainless steel Leakage class VI for PTFE and PEEK
(see “7.1. Fluidic data” on page 13)
KV value 0.1 m³/h…140 m³/h, see “7.1. Fluidic data” on page 13
Operating characteristic Linear or equal percentage
Theoretical rangeability Up to 50:1

Medium data
Medium Steam, water, neutral gases, alcohol, oils, fuels, hydraulic fluids, salt solution, alkali solutions, organic solvents, for fuel gases of category I, II and III acc. to Gas Appliances Regulation (EU) 2016/426 and oxygen
Medium temperature – 40 °C…230 °C, see “7.2. Operating limits” on page 16
Viscosity Max. 600 mm2/s
Control medium Air, neutral gases

Process/Port connection & communication
Flange connection DIN EN 1092-1
ANSI B 16.5
JIS 10K
Threaded connection G (DIN ISO 228-1)
NPT (ASME B1.20.1)
Rc (ISO 7-1)
Welded connection DIN EN ISO 1127 / ISO 4200 / DIN11866 B DIN 11850 2 / DIN 11866 A
ASME BPE / DIN 11866 C
SMS 3008
Clamp connection DIN 32676 B (pipe ISO 4200)
DIN 32676 A (pipe DIN 11850 2)
ASME BPE

Approvals and certificates
Conformity Food contact 1935/2004(EG), FDA Drinking water
Pressure Equipment Directive Gas Appliances Regulation Machinery Directive
Approvals Explosion proof ATEX / IECex
Material certificate 2.2, 3.1

Environment and installation
Degree of protection IP65/67
Installation position As required, preferably with actuator upright

*For selecting thecorrect product please refer to the technical data, images and notes for proper use according to the data sheet, or contact Flu-Tech directly.

สอบถามข้อมูลเพิ่มเติม ติดต่อเรา :

  02-384-6060 (อัตโนมัติ)    [email protected]    บริษัท ฟลูเทค จำกัด Flu-tech    @flutech.co.th