rhdf2dl1sm-rev0413
Model RHDF2 Page 2
Explanation of Pump Nomenclature, RHDF2 · Flap Valve
Santoprene is a registered tradename of Exxon Mobil Corp.
Hytrel is a registered tradename of E.I. du Pont.
Meanings of
Abbreviations:
A = Compressed Fibre
DC = Die Cast
PS = Plated Steel
SS/I = Stainless Steel seat w/EPDM O-Ring
AL = Aluminum
H = Hytrel
®
S = Santoprene
®
T = PTFE
B = Nitrile
I = EPDM
SS = Stainless Steel
U = Urethane
CI = Cast Iron
N = Neoprene
V = FKM (Fluorocarbon)
F = FDA Accepted White Nitrile
‡
CF-8M Stainless Steel
equal to or exceeding ASTM specification A743 for corrosion resistant iron chromium, iron chromium nickel, and nickel based alloy castings for
general applications. Commonly referred to as 316 Stainless Steel in the pump industry.
Inner
Flap
Type
AirVantage
Manifold
Outer
Inner
Diaphragm Diaphragm Intermediate Diaphragm Valve
Hard-
Diaphragm Valve
Sealing Shipping
Designation
Options
Elbow
Chamber
Chamber
Plate
Plate
Housing
Rod
Seat
ware
Material Rings
Wt. lbs.
DA6A S.
AL
AL AL PS PS AL SS SS PS N U N 107
DB6A S.
AL
AL AL PS PS AL SS SS PS B B B 107
DV6A S.
AL
AL AL PS PS AL SS SS PS V V V 107
DN6A
S.
AL
AL AL PS PS AL SS SS PS N N N 107
DI6A S. AL AL AL PS PS AL SS
SS PS I I I 107
DP6A
S.
AL
AL
AL
PS
PS
AL
SS
SS/I
PS
S
S
I
107
DR6A S.
AL
AL AL PS PS AL SS SS PS H H N 107
DA6I S.
CI
CI AL PS PS AL SS SS PS N U N 150
DB6I S.
CI
CI AL PS PS AL SS SS PS B B B 150
DV6I S.
CI
CI AL PS PS AL SS SS PS V V V 150
DN6I S.
CI
CI V PS PS AL SS SS PS N N N 150
DI6I
S. CI
CI AL PS PS AL SS
SS PS I I I 150
DR6I S.
CI
CI AL PS PS AL SS SS PS H H N 150
DP6I
S.
CI
CI
AL
PS
PS
AL
SS
SS/I
PS
S
S
I
150
DA6S S.
‡
SS
‡
SS AL
‡
SS PS AL SS SS PS N U N 157
DB6S
S.
‡
SS
‡
SS AL
‡
SS PS AL SS SS PS B B B 157
DF6S
S.
‡
SS
‡
SS AL
‡
SS
PS
AL
SS
SS
PS
F
F
F
157
DV6S
S.
‡
SS
‡
SS AL
‡
SS PS AL SS SS PS V V V 157
DN6S
S.
‡
SS
‡
SS AL
‡
SS PS AL SS SS PS N N N 157
DI6S
S.
‡
SS
‡
SS AL
‡
SS PS AL SS
SS PS I I I 157
DP6S
S.
‡
SS
‡
SS AL
‡
SS PS
AL SS SS/I PS
S S I 157
DR6S
S.
‡
SS
‡
SS AL
‡
SS PS AL SS SS PS H H N 157
S = Self Contained
Electrical Generator
P = 100 VAC Electrical
Conneciton
To order a pump or replacement parts, first enter the Model Number RHDF2, followed by Type Designation listed below in the far left columns.