Specification Sheet

13
taprite.com 800-779-8488
REGULATOR TROUBLE SHOOTING
Refer to pages 4 - 12 for detailed product listings of available Taprite regulators, spare parts and accessories.
PROBLEM ROOT CAUSE SOLUTION
Leak at top
Bonnet hole
Capsule seat leak
Diaphragm leak
Improper capsule/diaphragm assembly
Reseat Capsule & apply proper torques (self
centering -60 in/lbs; ball and socket -40 in/lbs)
Replace capsule seat
Reseat Diaphragm if self-centering type; replace
diaphragm
Check that capsule ball is inside diaphragm hex
slot, tighten/align per assembly instructions
Leak at the
Bonnet thread
Bonnet not seated properly
Loose bonnet
Paint in thread (zinc only)
Check for cross threading; Reseat bonnet and apply
proper torque
Retighten bonnet with proper torque (zinc -190 in/
lbs; poly-190in/lbs)
Scrap Bonnet and replace with a new one
Leak at the
ttings
Fitting not tight
Crossed threads
Remove tting and apply teon tape and loc-tite
Install tting until tight
Remove tting and replace with a new one
Leak at tank
tting
Fitting not tight on tank
Damaged or worn out seal
Damaged nut or tank tting
Retighten tting until tight on tank valve
Replace seal (o-ring/washer)
Replace nut/tank tting
Leak at the
safety
Debris at sealing surface
Remove safety and check the quad ring for debris &
clean
Unable to turn
bonnet screw or
top adjustment
cap/knob
Adjustment screw threads are crossed
Adjustment knob is stripped
Replace zinc bonnet assembly
Replace poly bonnet assembly