Asahi/America - 57P Butterfly Valve Gear 1.5-14" - Compare Items

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Standard model (1-1/2" – 14") has PVC body and PP disc for superior chemical resistance and elevated temperature capabilities
316 stainless steel shaft has full engagement over the entire length of the disc and is a non-wetted part
Only solid and abrasion resistant plastic disc and elastomeric liner are wetted parts
ISO bolt circle on top flange – No body or stem modifications required for accessories
Stem retainer – PP retainer to prevent stem removal
Seat overtightening protection – Molded body stops and seat stress relief area
Spherical disc design offers increased Cv, ultimate sealing and high cycle life

For lug style data consult factory.

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Unit of Measure

Items	173719015 57P Butterfly Valve Gear	173719020 57P Butterfly Valve Gear	173719025 57P Butterfly Valve Gear	173719030 57P Butterfly Valve Gear	173719040 57P Butterfly Valve Gear
Standard	N/A ANSI
Size	N/A 1-1/2in (40mm)	N/A 2in (50mm)	N/A 2-1/2in (65mm)	N/A 3in (80mm)	N/A 4in (100mm)
Body Material	N/A PVC
Class	N/A 150
Disc Material	N/A PP
Operating Pressure [Max]	N/A 150 bar150 psi
C_v Coefficient	N/A 0
Length (A₁)	N/A 6.57 in
Diameter (D)	N/A 5.91 in	N/A 6.50 in	N/A 7.28 in	N/A 8.31 in	N/A 9.37 in
Width (L)	N/A 1.54 in	N/A 1.65 in	N/A 1.81 in	N/A 1.81 in	N/A 2.20 in
Height (H)	N/A 8.27 in	N/A 8.66 in	N/A 9.06 in	N/A 9.65 in	N/A 10.24 in
Height H1	N/A 2.95 in	N/A 3.25 in	N/A 3.64 in	N/A 4.15 in	N/A 4.69 in
Height H2	N/A 3.74 in	N/A 4.13 in	N/A 4.53 in	N/A 5.12 in	N/A 5.71 in
End Size	N/A 1 1/2	N/A 2	N/A 2 1/2	N/A 3	N/A 4
Second End Size	N/A 1 1/2	N/A 2	N/A 2 1/2	N/A 3	N/A 4
Wheel Cycles	N/A 9.5
Elastomer	N/A EPDM
D₁	N/A 2.83 in	N/A 3.23 in	N/A 3.78 in	N/A 4.17 in	N/A 5.31 in
D₃	N/A 6.3 in
D₂	N/A 4.8 in
H₃	N/A 3.54 in
A₂	N/A 2.52 in
d	N/A 1.77 in	N/A 2.20 in	N/A 2.72 in	N/A 3.03 in	N/A 4.02 in
C	N/A 3.88 in	N/A 4.75 in	N/A 5.50 in	N/A 6.00 in	N/A 7.50 in
h	N/A 0.62 in	N/A 0.75 in	N/A 0.75 in	N/A 0.75 in	N/A 0.75 in
n	N/A 4	N/A 4	N/A 4	N/A 4	N/A 8

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