EN
SERVICE CHECKS
CONDITION
Regulated pressure creep.
Regulated pressure drop.
Fluid leakage from under
bonnet.
ACCESSORIES
1 MA-25, GA-333, GA-288 : Manometer 2.5b, 6b or 10bar.
2 S-3008 : Stainless steel adapter 1/4'' BSP female / female
3 S-3007 : Stainless steel riser tube 1/4''BSP – male/male
4 S-3006 : Tee in stainless steel 1/4'' BSP – Female
5 HGB-66 : Stainless steel reducer 1/4''x 3/8 '' BSP male/male (no retention)
S-3009 : Stainless steel coupling 1/4''BSP Male/Male
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CAUSES
Improper seating of valve stem on seat.
Diaphragm leaking.
Restriction in main material line or at
valve seat inlet.
Diaphragm damaged.
Loose cap screws.
Diaphragm damaged.
8 / 8
REMEDES
Be sure that seat and ball valve are not damaged,
worm or dirty.
Replace.
Clear l'obstruction
Replace.
Screw the 6 screws at a torque 8 mN.
Replace.
SB-6-HGB-R1 (3/2018)