4%	United States
Environmental Protection
* mAgency	Hydrant Sampler Parts List
Hydrant Sampler
Parts Identification
Office of Water (MS-140)
EPA 815-B-16-002
April 2016

-------
Hydrant Sampler Parts List
Hydrant Sampler Parts List1
Section of Sampler
Item
Photo
Letter
Quantity Per
Sampler
Main Section
Brass Hydrant Reducer (2W' FNST Inlet by 1" MNPT Outlet)2
A
1
Main Section
1" FNPT Brass Union
C
1
Main Section
1" MNPT Red Brass Nipple, Closed Threaded
D

Main Section
1" FNPT Red Brass Cross
E
1
Main Section
1" FNPT Brass Gate Valve
F
1
Main Section
Dole Flow Control Valve, 20.0 GPM, 1" FNPT Inlet/Outlet
G
1
Main Section
1" MNPT X 1" ID Red Brass Hose Adapter
H
1
Main Section
#16 Hose Clamp for 1" ID Hose
1
1
Main Section
Thread Sealant Tape, PTFE, 3/4" x 520"
-
1
Main Section
1" ID Hose (Reinforced PVC), 50 ft
J

Sampling Section
1" MNPT X 3/4" FNPT Red Brass Reducing Bushing
K
1
Sampling Section
3/4 " MNPT Red Brass Nipple, Closed Threaded
L

Sampling Section
3/4" FNPT Brass Ball Valve
M
1
Sampling Section
3/4" FNPT Brass Tee
N
1
Sampling Section
3/4"MNPT X 1/4" FNPT Red Brass Reducing Bushing
O
1
Sampling Section
3/4" NPT 90° Red Brass Street Elbow
P
1
Sampling Section
3/4" MNPT X 1/4 " ID Nylon Hose Adapter, (SOLD IN PACK OF 10)
Q
1
Temperature Probe (optional)
Temperature probe with X" diameter (Must have accurate measurement of diameter)
R
1
Temperature Probe Fittings (optional)
X" X 1/4" NPT Male Connector, Bored Through with Teflon Ferrule 3
S
1
Temperature Probe Fittings (optional)
PTFE Front Ferrule, 3 mm
-
1
Temperature Probe Fittings (optional)
PTFE Back Ferrule, 3 mm
-
1
1	Fittings are rated for maximum of 150 psi, sampler may not be safe when system pressures exceed this value. This list includes a pressure reducing valve (PRV), which can be
easily connected and removed.
2	Some systems have special hydrant threads specific to their system, however the majority of systems use FNST
3	Size of male connector (X) depends on probe diameter of temperature probe used
Page 2

-------
Hydrant Sampler Parts List
Section of Sampler
Item
Photo
Letter
Quantity Per
Sampler
Pressure Gauge
1" MNPT x 1/4" FNPT Chrome Plated-Brass Reducing Bushing
T
1
Pressure Gauge
Pressure Gauge, Filled, 2 1/2 In, 300Psi, SS
U
1
PRV Adapter
Brass Hydrant Reducer (2W' FNST Inlet by 1" MNPT Outlet)"
A
1
PRV Adapter
1" FNPT Brass, Water Pressure Reducing Valve (PRV)
B
1
PRV Adapter
1" FNPT Brass Union
C
1
Many parts needed for the hydrant sampler are available through plumbing supply, scientific, and home improvement vendors. Please contact Matthew
Alexander (alexander.matthevv@epa.gov) if you have specific questions about constructing a sampler.
Page 3

-------