Bell & Gossett HS 213B User Manual
INSTRUCTION MANUAL
®
WARNING
CAUTION
!
HS-213
REVISION B
Hoffman Specialty
®
Series B1 and B2
Inverted Bucket Steam Trap
Service Parts
IP Internal Parts Kit Bucket Assembly Cover Assembly
CAUTION
• Before using product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of steam systems in accordance with all applicable codes
and ordinances.
• To prevent serious burns, wear heat resistant gloves when opening and closing steam
valves, or handling hot equipment.
• To prevent serious burns, the internal pressure of the trap must be 0 psi (0 bar) before
servicing.
• To prevent serious personal injury from steam pipe blow down, connect a drain pipe to
the control opening to avoid exposure to steam discharge.
Failure to follow this caution will cause personal injury.
IMPORTANT: To prevent system damage from
water hammer or sudden shock, open supply
valves slowly.
The trap seat rating (stamped on the nameplate)
must be equal to or greater than the maximum
pressure differential across the trap.
2
a. Close the inlet shut-off valve (A) and the outlet
shut-off valve (B) and allow the unit to cool.
• To prevent serious burns, the internal pressure of the trap must be 0 psi (0 bar) before servicing.
Failure to follow this caution will cause personal injury.
!
CAUTION
INSTALLATION PROCEDURES –
Series B1 and B2 Inverted Bucket Traps
STEP 1 - Remove Trap from Service
b. If a gate valve for test or pressure relief (C) is
installed, open it.
c. Drain condensate from the trap by removing
the drain plug (D).
OR
For models with a built-in strainer, unscrew
and remove the 3/4" (20 mm) NPT bushing
and strainer (K).
D
A
B
C
d. Remove the (6) six cover bolts (E).
E
(x6)
e. Remove the cover assembly (F) from the
body (G).
F
G
K
3
a. Carefully remove old gasket material from the
body (G). Do not scratch gasket surface area.
G
STEP 2 - Install New Service Part
If you are installing a:
COVER ASSEMBLY
b. Install a new gasket (H) on the body (G).
c. Place the new cover assembly (J) on the
gasket (H).
J
H
G
d. Reinstall the (6) six cover bolts (E) and tighten
them to a torque of 22 ft•lb (30N•m).
e. Proceed to Step 3 – Return Trap to Service.
E
(x6)
4
a. Unhook and remove the bucket (AA) from the
lever arm (BB).
NOTE: Save the bucket (AA).
AA
BB
If you are installing an:
INTERNAL PARTS ASSEMBLY
b. Pull pivot pin (CC) out and remove the lever
arm (DD). Unscrew the seat (FF) and remove
the seat yoke (EE).
EE
DD
CC
FF
d. Install the new seat yoke (HH) by properly
aligning the yoke dimple (JJ) with the pilot
hole (KK) in the cover (GG).
Hold the yoke in place while completing
Step e.
GG
KK
JJ
HH
c. Carefully remove old gasket material from the
body (G) and cover casting (GG). Do not
scratch surface area.
G
GG
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