GEMU 620 Diaphragm Valve, Metal on Gemu Valves Gemu Valves - GEMU 620 Diaphragm Valve, Metal
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All Categories > Sanitary Diaphragm Valves > Pneumatically Operated Sanitary Diaphragm Valves > GEMU 620 Diaphragm Valve, Metal 

GEMU 620 Diaphragm Valve, Metal
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Nominal size 6” with polymer coated metal actuator 6” connection

Standard Features
  • Coated actuator
  • Fail closed, fail open, double acting
  • Compact low maintenance design
  • EHEDG certified sealing concept
  • Visual position indicator
  • Second generation PTFE or EPDM diaphragms
  • 316L stainless steel valve body
  • Integral buttweld tube extensions or triclamp
Available Options
  • Stroke limiter (adjustable travel stop open)
  • Electrical position indicators
  • DeviceNet or AS-I  network valve controls
  • Positioners
Special connections
-  Welded extensions (tube or pipe),
-   ISO, DIN and other international standards

Fabrications
Zero Static T-valves, Duplex, Tank Bottom, and custom multiported block valves upon request.

Materials
AL-6XN® , Hastelloy® , and others available upon request.

Typical Applications
  • Pharmaceutical manufacturing
  • Bioprocessing
  • Cosmetic
  • Brewery Service
  • Food and Beverage
  • Semiconductor
  • High Purity Chemicals


GEMU 620 Diaphragm Valve, Metal

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Sectional Drawing

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Specifications · Working Medium · Control Medium

Specifications

Note

Please click "Magnifying Glass" next to the attributes listed below to view helpful information.

Type

Type 620 manual, Cast Iron Actuator with SS Distance Piece

Nominal Size

6"

Body Configuration

Standard 2-Way

Connection

 View 		Butt-Weld
Clamp x Butt-Weld
Clamp x Clamp

Body Material

316L Stainless Steel

Diaphragm Material1

TFM / EPDM Laminated, Code 05, TFM / EPDM Diaphragm Compliant to USP Class VI, Chapter <87>, <88> and 21 CFR 177.1550,

Control Function

Pneumatic Air to Air,
Pneumatic Normally Closed,
Pneumatic Normally Open,

Surface Finish2

15µ-in max EP SFV4
20µ-in max SFV1
20µ-in max EP SFV5
25µ-in max SFV2
25µ-in max EP SFV6
30µ-in max SFV3
35µ-in avg
35µ-in avg EP

Max. Ambient Temperature

60 ºC

Filling Volume

Actuator size 0: 0.15 NI
Actuator size 1: 0.35 NI
Actuator size 2: 1.10 NI
Actuator size 3: 2.5 NI
Actuator size 4: 6.8 NI
1 The combination of PFA or PTFE lining with 5E diaphragms is only conditionally suitable for gaseous media. If low seat leakage rates are required for gaseous media, other combinations are preferable.?
2 Ra acc. to DIN 4768; at defined reference points


Working Medium

Working Medium

Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm material.

Max. Perm. Temperature of Working Medium

150 ºC

Control Medium

Control Medium

Inert Gases

Max. Perm. Temperature of Control Medium1

40 ºC
1 Depending on body and diaphragm material.



 MORE IMAGES 

· Operating Pressure/Control Pressure

 DOWNLOADS 

width= 620 Data sheet
(PDF)

width= Stroke Limiters, Seal Adjusters, Optical Position Indicators, and Manual Overrides
(PDF)
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