Transcript Mechanical Oil Valves

Mechanical Oil Valves
Mechanical Dump Installation
Trunnion and
Float Opening Cover
Mechanical
Oil Valve
Mechanical Dump Installation
Hammer Union
Trunnion
Mechanical
Oil Valve
Mechanical Oil Valve
Teflon packed
rotary stuffing box
Diaphragm
balanced
Single soft seat
Mechanical Oil Valve
Piston Balanced Mechanical Oil Valve
Cage & Hard Seat Assemblies
Available in
D-2
17-4 PH
316 SS
Float Cover and Trunnion Assembly
Opening Sizes:
6”
8”
10”
Removable bonnet
¾” float
arm hub
Teflon packed
rotary stuffing box
Stainless steel shaft
Float Arm Travel
45o
45o
2” Valve
3” Valve
4” Valve
6” Valve
825 Hammer Union Trunnion Assembly
Max. Working Pressure: 250 psi
825 Hammer Union Trunnion Assembly
With Removable Trunnion
Max. Working Pressure: 250 psi
850 Hammer Union Trunnion Assembly
Max. Working Pressure: 500 psi
Trunnion Assemblies
25 TOB-D
250 psi WP
50 TOB-D
500 psi WP
50 TOB-S
500 psi WP
Trouble Shooting
• Leaking stuffing box
• Stuffing box nut loose
• Teflon packing worn
• Valve will not shut off tightly
• Soft seat worn
• Cage erroded
• Balancing diaphragm hard or
cracked
• Not enough force available
from float
• Valve will not open
• Float has a leak
• Stuffing box nut too tight
3 PM Mechanical Pilot
3 PM Mechanical Pilot
Output
Supply
Supply
Output
Snap
Throttle
3 PMB Mechanical Pilot