
6 Order data
The order data provide an overview of standard configurations.
Please check the availability before ordering. Other configurations available on request.
Order codes
1 Type Code
Diaphragm valve, electrically operated,
eSyStep
639
2 DN Code
DN 4 4
DN 6 6
DN 8 8
DN 10 10
DN 12 12
DN 15 15
DN 20 20
DN 25 25
DN 32 32
DN 40 40
3 Body configuration Code
Tank bottom valve body B
Body configuration code B: Dimensions and designs on
request
2/2-way body D
T body T
Body configuration code T: For dimensions, see T
Valves brochure
4 Connection type Code
Spigot
Spigot DIN 0
Spigot EN 10357 series B,
formerly DIN 11850 series 1
16
Spigot EN 10357 series A/DIN 11866 series A
formerly DIN 11850 series 2
17
Spigot DIN 11850 series 3 18
Spigot JIS-G 3447 35
Spigot JIS-G 3459 schedule 10s 36
Spigot SMS 3008 37
Spigot BS 4825, part 1 55
Spigot ASME BPE/DIN 11866 series C 59
Spigot ISO 1127/EN 10357 series C/DIN 11866 series B 60
Spigot ANSI/ASME B36.19M schedule 10s 63
Spigot ANSI/ASME B36.19M schedule 5s 64
Spigot ANSI/ASME B36.19M schedule 40s 65
Threaded connection
Threaded socket DIN ISO 228 1
NPT female thread 31
Threaded spigot DIN 11851 6
Cone spigot and union nut DIN 11851 6K
4 Connection type Code
Flange
Flange EN 1092, PN 16, form B,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1,
length only for body configuration D
8
Flange ANSI Class 150 RF,
face-to-face dimension FTF MSS SP-88,
length only for body configuration D
38
Flange ANSI Class 125/150 RF,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1,
length only for body configuration D
39
Clamp
Clamp ASME BPE,
face-to-face dimension FTF ASME BPE,
length only for body configuration D
80
Clamp DIN 32676 series B,
face-to-face dimension FTF EN 558 series 7,
length only for body configuration D
82
Clamp ASME BPE,
for pipe ASME BPE,
face-to-face dimension FTF EN 558 series 7,
length only for body configuration D
88
Clamp DIN 32676 series A,
face-to-face dimension FTF acc. to EN 558 series 7,
length only for body configuration D
8A
Clamp ISO 2852 for pipe ISO 2037,
clamp SMS 3017 for pipe SMS 3008
face-to-face dimension FTF EN 558 series 7,
length only for body configuration D
8E
Clamp DIN 32676 series C,
face-to-face dimension FTF ASME BPE,
length only for body configuration D
8P
Clamp DIN 32676 series C,
face-to-face dimension FTF EN 558 series 7,
length only for body configuration D
8T
5 Valve body material Code
SG iron material
EN-GJS-400-18-LT (GGG 40.3),
PFA lined
17
EN-GJS-400-18-LT (GGG 40.3),
PP lined
18
EN-GJS-400-18-LT (GGG 40.3),
hard rubber lined
83
EN-GJS-400-18-LT (GGG 40.3) 90
Investment casting material
1.4408, investment casting 37
1.4408, PFA lined 39
1.4435, investment casting C3
Forged material
1.4435 (F316L), forged body 40
6 Order data
www.gemu-group.com8 / 75GEMÜ 639 eSyStep
Positioner (Code S0)