Design Features
Design Characteristics
- free of cavities
- maintenance free – self lubricating
- mounting-flange for actuators acc. to DIN ISO 5211
- easy accessible adjustment of the plug, even with mounted actuator
- with chemical resistant lining – thickness min. 3 mm vacuum tight
- fugitive emmission resp. clean air act certified (TA – Luft 2002 approval)
- PED 97/23/EG
- FDA conformity
PT-Diagramm
The specified values depend on the respective application (medium). Operating temperatures under -20°C only with body material 1.4408 or low-temperature steel. Hight pressure resistance / temperature resistance on request, e.g. PN 40.
Sleeve: There are different sleeve materials / compounds available.
Materials
Standard body materials
• Ductile cast iron ENJS 1049, ASTM Gr 60-40-18 / A395
Standard plug materials
• Stainless Steel 1.4308, ASTM A351 CF8
• Ductile cast iron ENJS 1049, ASTM Gr 60-40-18 / A395
Special materials
• Carbon Steel 1.0619, ASTM A216 WCB
• Stainless Steel 1.4408, ASTM A351 CF8M
• Unalloyed stainless steel casting (low Temp.) 1.1138, LCC/LCB/A352
Lining materials
• Body: PFA, PFA-conductive, FEP, PVDF
• Plug: PTFE, PFA, PFA-conductive, FEP, PVDF
Sealing Systems
[table id=29 /]Port Forms
Dimensions
For geometric reasons, threads are used in the flange bores in a few cases
ISO flange instructions, weights and Kvs values for straight-way valves
*) Maxium breakaway torque MD breakaway [Nm] for F2 and F3S ISO STANDARD A depending on material combinations (PFA+PFA / PFA+PTFE). All data incl. 100% safety factor. Breakaway torques for valves – tapes F-4 and F3W on request
Actuation
1 Locking Devices
Pilot valve combinations, pad lock eyelets, linear key conception, indexing plunger arrestor.
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2 Plug stem extension
Solid construction in stainless steel with T-wrench, Standard extension 100 mm or 150 mm, non standard lengths are available on request
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3 Actuators
Actuators for mounting-flange acc. to DIN ISO 5211
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NEW: Pneumatic actuator AIR GEAR for plug valves with high torque =150.000 Nm
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4 Ratched coupling
To usw on multiport valves with standard 90° actuator for bigger switchpositions than 90°
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5 Cover extension
Solid construction in stainless steel, Standard extension 100 mm or 150 mm high, non standard lengths are available on request . Hexagonal bolts on adjustment ring freely accessible. Note: Don’t use with sealing FSN/FSN-SL and CASN/CASN-SL
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