Type SW/BW Plug Valves – Optimal Sealing and Performance

Plug valves with weld ends

DIN-EN: DN 10 – 500 / PN 10 – 100
ASME: NPS ⅜“ – 24“ / class 150 – 600
PT range: -30 < T < 230/280°C, vacuum 10-8 mbar

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SPEC SHEET
CERTIFICATE
A stainless steel industrial check valve from an Industrial gasket solutions provider in Baton Rouge, featuring visible specifications and branding on its body, with a flange connection and a lever on top.
Design Features

Design Characteristics

  • available with butt weld and socket weld ends
  • 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
  • vacuum tight
  • fugitive emmission resp. clean air act certified (TA – Luft 2002 approval)
  • Directive 2014/68/EU
  • fire safe design API 607 / ISO 10497
  • FDA conformity
PT-Diagram
A pressure-temperature diagram showing various lines that represent the performance of different sleeve materials. The chart displays pressure in bar versus temperature in degrees Celsius, with annotations for sleeve types and temperature limits, tailored for

Operating temperatures < -30°C and > 220 °C have to be checked and approved by AZ according to the operating conditions.

Besides the P/T value of the sleeve the limitations of the valve bodies also have to be considered. Please refer to the EN 12516-1 resp. ASME B16.34 in order to choose a proper pressure rating (PN/class). The shown values refer to austenitic stainless steel 1.4408 (A351 Gr. CF8M).

1) For operating temperatures below -10°C low temperature / austenitic steels are required.
2) Sleeve: There are different sleeve materials / compounds available.

Materials

Standard body materials
• Carbon Steel 1.0619, ASTM A216 WCB
• Stainless Steel 1.4408, ASTM A351 CF8M
• Stainless Steel 1.4308, ASTM A351 CF8
• Unalloyed stainless steel casting (low Temp.) 1.1138, LCC/LCB/A352

Standard plug materials
• Stainless Steel 1.4408, ASTM A351 CF8M
• Stainless Steel 1.4308, ASTM A351 CF8

Special materials
• Alloy
• Monel
• Nickel
• Zirconium
• Titan
• Tantal
• other materials on request

Sealing Systems

Standard sealing for all major applications;
Tmax 230°C

Type STD

Detailed diagram of a mechanical seal with labeled parts, including primary sealing type ptfe, stainless steel diaphragm, delta v-diaphragm (ptfe), thrust collar, and plug adjustment, for

Firesafe safety sealing (API 607) for fluctuating temperatures
with 3x graphite packing (adjustable) for additional
stem sealing; Tmax 280°C

Type FSN

Diagram showing the components of a firesafe graphite sealing system for type fsn with temperature adjustment features, including primary, secondary, and tertiary sealing elements labeled clearly, offered by a leading industrial supply company in

Firesafe sealing (API 607) with graphite packing for additional
stem sealing; Tmax 230°C

Type FS

Detailed diagram of a firesafe (API 607) type FS valve showing primary, secondary, and tertiary sealing components with labels and temperature specifications, provided by an industrial supply company in Louisiana.

Firesafe safety sealing (API 607) for fluctuating temperatures
with 3x graphite packing (live loaded disc springs) for additional
stem sealing; Tmax 280°C

Type FSN-SL

Diagram showing components of a firesafe safety sealing system (api 607 type fsn-sl) for fluctuating temperatures, with labels for primary, secondary, and tertiary sealing parts, and temperature specs.

Chemical sealing to prevent fugitive emission of aggressive and toxic media
with PTFE packing for additional stem sealing; Tmax 230°C

Type CA

Diagram illustrating a chemical sealing system with three tiers labeled: primary with metal diaphragm, secondary with PTFE diaphragm, and tertiary with PTFE packing. Details include temperature specs and

Chemical safety sealing for fluctuating temperatures
with 3x PTFE packing (adjustment) for additional stem sealing;
Tmax 230°C

Type CASN

Diagram of a chemical safety sealing system illustrating various components like thrust collar, delta cover, stainless steel diaphragm, and three sealing mechanisms. Annotated for temperature fluctuation adjustments and designed by an industrial
Chemical safety sealing for fluctuation temperatures
with 3x PTFE packing (live loaded disc springs) for additional
stem sealing; Tmax 230°C

Type CASN-SL

Diagram showing the components of a chemical safety sealing system (type casn-sl), focusing on primary, secondary, and tertiary seal layers with annotations for materials and function. This diagram also integrates tailored fluid monitoring
Port Forms
Illustration of a mechanical piping system with components labeled, including switch boxes, valves, and cardanic couplings. The diagram includes exploded views and directional flow lines, showcasing industrial gasket solutions from a

others on request

Dimensions

Typ BW

Typ SW

Actuation

1 Locking Devices
Pilot valve combinations, pad lock eyelets, linear key conception, indexing plunger arrestor.

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

3 Actuators
Actuators for mounting-flange acc. to DIN ISO 5211

NEW: Pneumatic actuator AIR GEAR for plug valves with high torque ≥150.000 Nm

4 Ratched coupling
To usw on multiport valves with standard 90° actuator for bigger switchpositions than 90°

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