Con
fi
guration Number Matrix
Fluid Covers and
Manifolds
Seat Material
Ball or Check Material Diaphragm Material
Manifold
Seals
Certification
S1-3
Stainless
steel,
TriClamp
SS
316
Stainless
Steel
—
Flapper, check,
Stainless Steel
PT
PTFE/EPDM
2–Piece
EP
EPDM
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no certification
S1-4
Stainless
steel, DIN
BN
Buna-N
SP
Santo-
prene/EPDM
2–Piece
PT
PTFE
C21
2.1 certified
S–
Stainless
steel, no
manifolds
CW
Polychloroprene
Weighted
C31
3.1 certified
FK
FKM
Fluoroelastomer
PT
PTFE
SP
Santoprene
Approvals
✦ Pumps with motor code
C
are certified to:
II 2 G Ex d h IIB T3 Gb
✚ Pumps with motor code
G
are certified to:
II 2 G Ex h IIB T3 Gb
★ Motors coded
D
are certified to:
Class I, Div 1, Group D, T3B
Class II, Div 1, Group F & G, T3B
Ball materials coded
PT
and diaphragm
materials coded
PT
are certified to:
EC 1935
All Models (except gearbox and compressor
codes 05, 15, and 25, or motor code
D
) are
certified to:
3A5132F
7
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