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  • Standard model (1-1/2" – 8") 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
  • 21-position throttle plate for lever handle style
For lug style data consult factory.
T-57 Butterfly Valve Lever 1.5-8"
T-57 Butterfly Valve Lever 1.5-8"
Unit of Measure
Items T-57 Butterfly Valve Lever 1.5-8"
173752015
57P Butterfly Valve Lever
T-57 Butterfly Valve Lever 1.5-8"
173752020
57P Butterfly Valve Lever
T-57 Butterfly Valve Lever 1.5-8"
173752025
57P Butterfly Valve Lever
T-57 Butterfly Valve Lever 1.5-8"
173752030
57P Butterfly Valve Lever
T-57 Butterfly Valve Lever 1.5-8"
173752040
57P Butterfly Valve Lever
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 PP
Disc Material N/A PP
Class N/A 150
Operating Temperature [Min] N/A -5 ºF
Operating Temperature [Max] N/A 175 ºF
Pressure at -5 to 140 ºF N/A 150 psi
Pressure at 30 to 120 ºF N/A
Pressure at 121 to 140 ºF N/A
Pressure at 141 to 175 ºF N/A 100 psi
Cv Coefficient N/A 71 N/A 120 N/A 250 N/A 300 N/A 470
Cv at opening 30° N/A 4 N/A 7 N/A 15 N/A 18 N/A 28
Cv at opening 60° N/A 43 N/A 73 N/A 153 N/A 183 N/A 287
Cv at opening 90° N/A 71 N/A 120 N/A 250 N/A 300 N/A 470
A N/A 8.66 in N/A 8.66 in N/A 8.66 in N/A 9.84 in N/A 9.84 in
Length (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
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
Height (H) N/A 6.14 in N/A 6.54 in N/A 6.93 in N/A 7.52 in N/A 8.11 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
Elastomer N/A EPDM
Valve Operator N/A Lever Handle
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
H3 N/A 2.20 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
Weight N/A 3.00 lb N/A 3.00 lb N/A 3.00 lb N/A 4.00 lb N/A 5.00 lb