GEM 643 Series, Installation, Operating And Maintenance Instructions

Page: 19 / 32

19 / 32
643
7 Order data
Body configuration Code
Tank valve body B
Connection Code
Butt weld spigots
Spigots DIN 0
Spigots DIN 11850, series 1 16
Spigots DIN 11850, series 2 17
Spigots DIN 11850, series 3 18
Spigots DIN 11866, series A 1A
Spigots DIN 11866, series B 1B
Spigots SMS 3008 37
Spigots ASME BPE 59
Spigots EN ISO 1127 60
Spigots ANSI/ASME B36.19M, Schedule 10s 63
Spigots ANSI/ASME B36.19M, Schedule 40s 65
Valve body material Code
1.4435 (316L), Block material 41
1.4435 (BN2), Block material Fe < 0.5 % 43
Other valve body materials upon request
Control function Code
Manually operated 0
Order example
643 25 B 60 41 13 0 1503
Type 643
Nominal size 25
Body configuration (code) B
Connection (code) 60
Valve body material (code) 41
Diaphragm material (code) 13
Control function (code) 0
Surface finish (code) 1503
Diaphragm material Code
FPM 4
EPDM
13
EPDM 16
EPDM 17
PTFE/EPDM convex PTFE loose 5E
PTFE/FPM convex PTFE loose 5F
PTFE/EPDM PTFE laminated 52
Material complies with FDA requirements, except code 4
Valve body surface finish, internal contour
Block material
Code 41, 43
Code
Ra ≤ 6,3 μ m blasted internal/external - 1500
-- electropolished - 1509
Ra ≤ 0,8 μ m mechanically polished internal, blasted external X 1502
Ra ≤ 0,8 μ m electropolished internal/external X 1503
Ra ≤ 0,6 μ m mechanically polished internal, blasted external X 1507
Ra ≤ 0,6 μ m electropolished internal/external X 1508
Ra ≤ 0,4 μ m mechanically polished internal, blasted external X 1536
Ra ≤ 0,4 μ m electropolished internal/external X 1537
Ra ≤ 0,25 μ m mechanically polished internal, blasted external X 1527
Ra ≤ 0,25 μ m electropolished internal/external X 1516
Ra acc. to DIN 4768; at defined reference points
Surface finish data refer to medium wetted surfaces