AUTOMATIC TRAP PRIMER VALVE
695 SERIES
SPECIFICATION
Where replenishment of water in floor drain traps is required; trap primer valves
shall be ½" FIP inlet × ½" MIP outlet, automatic trap primer valves which activate
with a 10 PSIG pressure drop between 30–150 PSIG. Water release shall be
factory set. Trap primer valve shall have large port openings and a non-
corrosive brass finish. Must be UPC/IAPMO listed, and ASSE certified to the
ASSE 1018 standard.
WORKING PRESSURE
30–250 PSIG
OPERATING PRESSURE
Activates with a 10 PSIG pressure drop at 30–150 PSIG
INSTALLATION
Install to a convenient ½"–1½" nominal water line, nearest the trap or traps to be
served. Install in the upright, vertical position only. Install at least 5" (127 mm)
above the grid of the oor drain or the ood rim of the sink or xture which the trap
serves. Install near plumbing xtures to insure a full pressure drop of 10 PSI or
more. If the trap primer is installed too far upstream in the system, the pressure
drop may not be enough for activation. To help prevent sediment buildup, install a
vertical loop that rises above the supply line tee. (see gure 1) Flush trap primer
branch line prior to installing the trap primer. Install MIP adapter. Thread on trap
primer. Install FIP union to bottom. Use PTFE tape sealant on both connections.
Do not use pipe dope. Do not solder or braze directly to trap primer or ttings
installed in trap primer. Water discharge is factory set—no adjustment is required
on normal installations. However, for static pressures over 100 PSI, adjustments
may be necessary. First loosen the nipple locknut (10, below), then turn the nipple
(19, below) counter-clockwise until the trap primer starts dripping, turn the nipple
clockwise ¼-turn, and re-tighten nipple locknut.
DIMENSIONS
Inlet ½" FIP
Outlet ½" MIP
Diameter 2¾"
Length 5¼"
COMPONENTS
1: Cap, brass-plated Zamac No. 3
2: Stainless steel screws
3: Diaphragm
4: Valve stem spring
5: Valve stem nut
6: rubber valve disc
7: Valve stem guide
8: Body, brass-plated Zamac No. 3
9: Nipple seat washer
10: Nipple locknut
695-01
Create Item Number
PrimePerfect
™
1018
695-Y52 = wye splitter
695-D20 = two ¼" male sweat branches
695-D30 = three ¼" male sweat branches
695-D40 = four ¼" male sweat branches
695-D432 = two ¼" male sweat branches,
two spin-closed branches
695-D432F = four ½" FIP branches with two plugs
695-D4325 = two ½" female sweat branches,
two spin-closed branches
ACCESSORIES
695-01
11: Vacuum breaker
12: Sediment screen
13: Diaphragm stop washer
14: Diaphragm spring retainer
15: Valve stem
16: Diaphragm spring
17: Valve washer
18: Diaphragm adjustment nut
19: Brass nipple
9
8
1 12
13
14
15
16
17
18
19
2
3
4
5
6
7
10
11
figure 1
trap primer
vacuum break er
gravity line
floor drain
trap
cold water suppl y
Sioux Chief Manufacturing Company | P: 1.800.821.3944 | F: 1.800.758.5950 | www.siouxchief.com
3-14
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