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Construction
The GEMU 550 pneumatically operated 2/2 way angle seat globe valve has a low maintenance piston actuator and PTFE seat providing reliable operation.
The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.

Features
  • Suitable for inert and corrosive liquid and gaseous media
  • Substantially reduced installation dimensions when using the body with male threads which can be installed using union nuts
  • Materials of all medium wetted parts can be selected to suit relevant applications
  • Higher media temperatures/with bellows on request
Advantages
  • Stainless steel actuator for simple cleanability, corrosive atmospheres
  • Various types of valve body connections
  • Good flow capability
  • Extensive range of accessories
  • Low weight
  • The valve is easy to clean
  • Standard packing suitable for vacuum
Unit of Measure

Specifications

Type 550
Size 8 mm10 mm15 mm20 mm25 mm32 mm40 mm50 mm65 mm80 mm
Body Configuration 2/2-way body
Connection Butt Weld Spigots ASME BPE Butt Weld Spigots DIN Butt Weld Spigots DIN 11850,series 1 Butt Weld Spigots DIN 11850,series 2 Butt Weld Spigots DIN 11850,series 3 Butt Weld Spigots EN ISO 1127 Butt Weld Spigots SMS 3008 Flanges EN 1092/PN16/Form B length EN 558-1, series 1 Flanges EN 1092/PN16/Form B length EN 558-1, series 1 ISO 5752, basic series 1 K1 Threaded Sockets DIN ISO 228 Threaded Sockets NPT Threaded Spigots DIN ISO 228
Valve Body Material 1.4408 Cast stainless steel 1.4435 (316 L) Forged body 1.4435 (ASTM A 351 CF3M) Investment casting (Material equivalency 316L)
Seat Seal PTFE
Actuator Size (piston) 100 mm130 mm28 mm42 mm60 mm80 mm
Flow Direction Over the plug Under the plug
Spring Set Standard
Control Function Double acting Normally closed Normally open

View items

Item #

Size

Connection

Actuator Size (piston)

Flow Direction

Control Function

550008D-040510M1 N/A 8 mm N/A Butt Weld Spigots DIN N/A 28 mm N/A Over the plug N/A Normally closed
550008D-137510G1 N/A 8 mm N/A Threaded Sockets DIN ISO 228 N/A 28 mm N/A Under the plug N/A Normally closed
550008D-137510M1 N/A 8 mm N/A Threaded Sockets DIN ISO 228 N/A 28 mm N/A Over the plug N/A Normally closed
550008D3137510G1 N/A 8 mm N/A Threaded Sockets NPT N/A 28 mm N/A Under the plug N/A Normally closed
550008D3137510M1 N/A 8 mm N/A Threaded Sockets NPT N/A 28 mm N/A Over the plug N/A Normally closed
550008D6040510G1 N/A 8 mm N/A Butt Weld Spigots EN ISO 1127 N/A 28 mm N/A Under the plug N/A Normally closed
550008D6040510M1 N/A 8 mm N/A Butt Weld Spigots EN ISO 1127 N/A 28 mm N/A Over the plug N/A Normally closed
550008D-937510G1 N/A 8 mm N/A Threaded Spigots DIN ISO 228 N/A 28 mm N/A Under the plug N/A Normally closed
550008D-937510M1 N/A 8 mm N/A Threaded Spigots DIN ISO 228 N/A 28 mm N/A Over the plug N/A Normally closed
550010D-137510G1 N/A 10 mm N/A Threaded Sockets DIN ISO 228 N/A 28 mm N/A Under the plug N/A Normally closed
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