601, 602, 612, 673 GEMÜ 602 GEMÜ 612 GEMÜ 673 GEMÜ 601 GEMÜ 612 GEMÜ 601 Construction The GEMÜ 601, 612 and 673 manually operated diaphragm valves have a temperature resistant plastic handwheel, GEMÜ 602 has a stainless steel handwheel. Bonnet and internals are made all of stainless steel. An integral optical position indicator and a seal adjuster to increase service life of the diaphragm are included as standard. Features • Suitable for inert and corrosive* liquid and gaseous media • Chemical resistance of bonnet • CIP/SIP cleaning and sterilizing capabilities • Autoclave capability • Insensitive to particulate media • Valve body and diaphragm available in various materials and designs • Compact design (ideal when space is at a premium) • Stepless minimum flow regulation due to seal adjuster Advantages • Hermetic separation between medium and actuator • Optional flow direction • Installation for an optimized draining is possible • Long service life of the diaphragm due to patented seal adjuster (US-Pat. 5 377 956) • Valve body also available in multi-port designs (M-block and T-body) or as tank bottom valve body *see information on working medium on page 2 Diaphragm Valve, Metal Sectional drawing
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Diaphragm Valve,...2020/11/03 · For overview of available valve bodies see page 14 Connection Code Clamp connections Clamps ASME BPE for pipe ASME BPE, length ASME BPE 80 Clamps
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601, 602, 612, 673
GEMÜ 602
GEMÜ 612
GEMÜ 673
GEMÜ 601
GEMÜ 612
GEMÜ 601
Construction The GEMÜ 601, 612 and 673 manually operated diaphragm valves have a temperature resistant plastic handwheel, GEMÜ 602 has a stainless steel handwheel. Bonnet and internals are made all of stainless steel. An integral optical position indicator and a seal adjuster to increase service life of the diaphragm are included as standard.
Features• Suitable for inert and corrosive* liquid and gaseous media• Chemical resistance of bonnet• CIP/SIP cleaning and sterilizing capabilities• Autoclave capability• Insensitive to particulate media• Valve body and diaphragm available in various materials and designs• Compact design (ideal when space is at a premium)• Stepless minimum flow regulation due to seal adjuster
Advantages• Hermetic separation between medium and actuator• Optional flow direction• Installation for an optimized draining is possible• Long service life of the diaphragm due to patented seal adjuster
(US-Pat. 5 377 956)• Valve body also available in multi-port designs (M-block and T-body) or
as tank bottom valve body
*see information on working medium on page 2
Diaphragm Valve,Metal
Sectional drawing
601, 602, 612, 6732
Technical data
Working mediumCorrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm material.
FKM (Code 4/4A) not applicableEPDM (Code 13/3A) max. 150 °C (2), max. 60 min per cycleEPDM (Code 17) max. 150 °C (2), max. 180 min per cycle PTFE/EPDM (Code 54) max. 150 °C (2), no time limit per cycle PTFE/EPDM (Code 5M) max. 150 °C (2), no time limit per cycle
¹ The sterilisation temperature is valid for steam (saturated steam) or superheated water. ² If the sterilisation temperatures listed above are applied to the EPDM diaphragms for longer periods of time, the service life of the diaphragms will be reduced. In these cases, maintenance cycles must be adapted accordingly. This also applies to PTFE diaphragms exposed to high temperature fluctuations. PTFE diaphragms can also be used as moisture barriers; however, this will reduce their service life. The maintenance cycles must be adapted accordingly. GEMÜ 555 and 505 globe valves are particularly suitable for use in the area of steam generation and distribution. The following valve arrangement for interfaces between steam pipes and process pipes has proven itself over time: A globe valve for shutting off steam pipes and a diaphragm valve as an interface to the process pipes.
All pressures are gauge pressures. Operating pressure values were determined with static operating pressure applied on one side of a closed valve. Sealing at the valve seat and atmospheric sealing is ensured for the given values. Information on operating pressures applied on both sides and for high purity media on request.
601, 602, 612, 6733
Technical data
Kv values [m³/h]Pipe
standardDIN EN 10357
series B (formerly DIN 11850 series 1)
EN 10357 series A (formerly DIN 11850 series 2) / DIN 11866 series A
MG = diaphragm size Kv values determined acc. to DIN EN 60534, inlet pressure 5 bar, ∆p 1 bar, stainless steel valve body (forged body) and soft elastomer diaphragm. The Kv values for other product configurations (e.g. other diaphragm or body materials) may differ. In general, all diaphragms are subject to the influences of pressure, temperature, the process and their tightening torques. Therefore the Kv values may exceed the tolerance limits of the standard.
The Kv value curve (Kv value dependent on valve stroke) can vary depending on the diaphragm material and duration of use.
4601, 602, 612, 673
Order data
Body configuration CodeTank valve body B**2/2-way body DT body T** For dimensions see T Valves brochure** Dimensions and versions on request
Valve body material CodeEN-GJS-400-18-LT (SG iron 40.3) PFA lined 17EN-GJS-400-18-LT (SG iron 40.3) PP lined 181.4435, investment casting C31.4408, investment casting 371.4435 (316L), forged body 401.4435 (BN2), forged body Δ Fe<0.5% 421.4539, forged body F4
Diaphragm material CodeFKM 4 4A*EPDM 13 3A*EPDM 17 17*EPDM 19EPDM 36PTFE/EPDM, one-piece 54*PTFE/EPDM, two-piece 5M* for diaphragm size 8Material complies with FDA requirements, except codes 4 and 4A
Control function CodeManually operated 0
Bonnet version CodeWith seal adjuster, black handwheel GEMÜ 601 diaphragm size 8 0TSWith seal adjuster, metal handwheel GEMÜ 602 diaphragm size 8 0TMWith seal adjuster, black handwheel GEMÜ 612 diaphragm size 10 1TSWith seal adjuster, black handwheel GEMÜ 673 diaphragm size 25 2TSWith seal adjuster, black handwheel GEMÜ 673 diaphragm size 40 3TSWith seal adjuster, black handwheel GEMÜ 673 diaphragm size 50 4TS
Connection CodeButt weld spigotsSpigots DIN 0Spigots EN 10357 series B (formerly DIN 11850 series 1) 16Spigot EN 10357 series A (formerly DIN 11850 series 2) / DIN 11866 series A 17Spigots DIN 11850 series 3 18Spigots JIS-G 3447 35Spigots JIS-G 3459 36Spigots SMS 3008 37Spigots BS 4825 Part 1 55Spigot ASME BPE / DIN 11866 series C 59Spigot ISO 1127 / EN 10357 series C / DIN 11866 series B 60Spigots ANSI/ASME B36.19M Schedule 10s 63Spigots ANSI/ASME B36.19M Schedule 40s 65Threaded connectionsThreaded sockets DIN ISO 228 1Threaded spigots DIN 11851 6One side threaded spigot, other side cone spigot and union nut, DIN 11851 62Aseptic unions on requestFlanges (GEMÜ 673)Flanges EN 1092 / PN16 / form B, length EN 558, series 1, ISO 5752, basic series 1 8Flanges ANSI Class 150 RF, length MSS SP-88 38Flanges ANSI Class 125/150 RF, length EN 558, series 1, ISO 5752, basic series 1 39For overview of available valve bodies see page 14
Connection CodeClamp connectionsClamps ASME BPE for pipe ASME BPE, length ASME BPE 80Clamps DIN 32676 series B for pipe EN ISO 1127, length EN 558, series 7 82Clamps ASME BPE for pipe ASME BPE, length EN 558, series 7 88Clamps DIN 32676 series A for pipe DIN 11850, length EN 558, series 7 8AClamps SMS 3017 for pipe SMS 3008, length EN 558, series 7 8EAseptic clamps on requestFor overview of available valve bodies see page 14
5601, 602, 612, 673
Order data
Internal surface finishes for forged and block material bodies 1
Readings for Process Contact Surfaces
Mechanically polished 2 ElectropolishedHygienic class
Internal surface finishes for investment cast bodies
Readings for Process Contact Surfaces
Mechanically polished 2
Hygienic class DIN 11866 Code
Ra ≤ 6.30 μm - 1500Ra ≤ 0.80 μm H3 1502
Ra ≤ 0.60 μm 5 - 1507
1 Surface finishes of customized valve bodies may be limited in special cases.2 Or any other finishing method that meets the Ra value (acc. to ASME BPE).3 The smallest possible Ra finish for pipe connections with an internal pipe diameter < 6 mm is 0.38 µm.4 When using these surfaces, the bodies are marked according to the specifications of ASME BPE. The surfaces are only available for valve bodies which are made of materials (e.g. GEMÜ material codes 40, 41, F4, 44) and use connections (e.g. GEMÜ connection codes 59, 80, 88) according to ASME BPE.5 Not possible for GEMÜ connection code 59, DN 8 and GEMÜ connection code 0, DN 4.
Ra acc. to DIN EN ISO 4288 and ASME B46.1
6601, 602, 612, 673
Special function Code3-A compliant design M
Order example 601 8 D 60 C3 54 0 0TS 1500 MType 601Nominal size 8Body configuration (code) DConnection (code) 60Valve body material (code) C3Diaphragm material (code) 54Control function (code) 0Bonnet version (code) 0TSSurface finish (code) 1500Special function (code) M
Order data
B
ACT*
øB
A
CT*
øB
A
CT*
GEMÜ 601 GEMÜ 602
GEMÜ 601 / 602
GEMÜ 612 / 673
7601, 602, 612, 673
* CT = A + H1 (see body dimensions)
GEMÜ 612 / 673
Dimensions [mm]
GEMÜ 601 / 602
Bonnet dimensionsType Diaphragm size A ∅ B Weight [kg]
50 50 2” 173 30 32.0 32.0 60.3 2.0 2.25* only for investment cast design ** only for forged design MG = diaphragm size For materials see overview on page 14
9601, 602, 612, 673
Body dimensions [mm]
Butt weld spigots, connection code 35, 36, 37 Valve body material: Investment casting (code C3), forged body (code 40, F4)
Pipe standard JIS-G 3447
JIS-G 3459
SMS 3008
Weight [kg]
Connection code 35 36 37Type MG DN NPS L c H1* H1** ød s ød s ød s
6 - - - - K - K - - - - - - - - - - -8 X - - K K - K - - - - - - - - - - -
10 - W W K - - W - - - - - - - - - - -15 - - - K - W - - - - - - - - - - - -
GEM
Ü 61
2 1010 - W W - K - K - - - - - - - - - - -15 X W W K W K K - - - - - - - - - - -20 - - - K - K - - - - - - - - - - - -
GEM
Ü 67
3
2515 X W W - W - K - X X W W - - X X W W20 X W W K K K K - X X W W X X* X X W W25 X W W K K K K K X X W W X X* X X W W
4032 X W W - W - K K X X W W - - X X W W40 X W W K W K K K X X W W X X* X X W W
5050 X W W K W K K K X X W W X X* X X W W65 - - - W - W - W - - - - - - - - - -
* Connection code 38 / material code 18 on requestX = Standard K = Connections completely machined (not welded) W = Welded constructionAvailability of material code 42, F4: same as code 40 MG = diaphragm size