EVERMARK VALVE AND AUTOMATION 376&377 SERIES BUTTERFLY VALVE DESIGN STANDARD Design EN 593 Face to Face ISO 5752 Series 13 BS 5155 Series 13 EN 558-1 Series 13 Flange ASME B16. Class 150 ASME B16.1 Class 125 Testing API 598 EN12226 APPLICATIONS Water Waste water Chemical Irrigation etc. FEATURES Rubber lined on body Suitable to sleeve seat Wafer & Lug type Low operating torque Long service life and reliability SEAT TEMPERATURE Seat material Max Temperature Min Temperature EPDM +250℉ (121℃) -40℉ (-40℃) Buna-N +194℉ (90℃) 0℉ (-18℃) Viton +356℉ (180℃) -0℉ (-18℃) Please contact our sales representatives for more rubber seat materials. OPEN AND CLOSE RATE OF CONNECTION Fluid 15 ft/sec (5m/s) Gas 80 ft/sec (24m/s) Pressure Class Pipe line service. Bi-directional sealing. 2”~12” 200 Psi (14 Bar) 14”~24” 150 Psi (10.3 Bar) Dead end service. 377 Lug Series 100 Psi (7 Bar)
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EVERMARK VALVE AND AUTOMATION
376&377 SERIES BUTTERFLY VALVE
DESIGN STANDARD
Design EN 593
Face to Face ISO 5752 Series 13 BS 5155 Series 13 EN 558-1 Series 13
Flange ASME B16. Class 150 ASME B16.1 Class 125
Testing API 598 EN12226
APPLICATIONS
Water
Waste water
Chemical
Irrigation etc.
FEATURES
Rubber lined on body
Suitable to sleeve seat
Wafer & Lug type
Low operating torque
Long service life and reliability
SEAT TEMPERATURE
Seat material Max Temperature Min
Temperature
EPDM +250℉ (121℃) -40℉ (-40℃)
Buna-N +194℉ (90℃) 0℉ (-18℃)
Viton +356℉ (180℃) -0℉ (-18℃)
Please contact our sales representatives for more rubber seat materials.
OPEN AND CLOSE RATE OF CONNECTION
Fluid 15 ft/sec (5m/s)
Gas 80 ft/sec (24m/s)
Pressure Class
Pipe line service. Bi-directional sealing.
2”~12” 200 Psi (14 Bar)
14”~24” 150 Psi (10.3 Bar)
Dead end service.
377 Lug Series 100 Psi (7 Bar)
Bill of Materials 2”~14”
No. Qty. Description Material
1 1 Body Ductile Iron/Cast Iron
2 1 Disc SS304/SS316/Ductile Iron/C954/Nylon 11
3 1 Stem SS416/SS431
4 1 Seat EPDM/NBR/Viton
5 1 Upper Bearing Bronze/PTFE/SS316+PTFE
6 1 Lower Bearing Bronze/PTFE/SS316+PTFE
7 1 Shaft Seal NBR/Viton
8 1 Shaft Clip Carbon Steel
9 1 Body Clip Carbon Steel
EVERMARK VALVE AND AUTOMATION
376 & 377 SERIES BUTTERFLY VALVE
Bill of Materials 16”~24”
No. Qty. Description Material
1 1 Body Ductile Iron/Cast Iron
2 1 Disc SS304/SS316/Ductile Iron/C954/Nylon 11
3 1 Seat EPDM/NBR/Viton
4 1 Upper Shaft SS416/SS431
5 1 Lower Shaft SS416/SS431
6 1 End Cap Ductile Iron/Cast Iron
7 1 Upper Bearing (Long) Bronze/PTFE/SS316+PTFE
8 1 Set Upper Bearing (Short) Bronze/PTFE/SS316+PTFE
Notes: 1. Face to face tolerances standard API609. 2. End flange tapped and holes tolerances standard ASME B16.5. 3. Top flange holes tolerances ± 0.011 inch.
Notes: 1. Face to face tolerances standard API609. 2. End flange tapped and holes tolerances standard ASME B16.5. 3. Top flange holes tolerances ± 0.011 inch.
Valve Size
10° 20° 30° 40° 50° 60° 70° 80° 90°
2 0 8 15 26 42 62 76 83 107
2.5 4 12 22 38 68 105 135 162 202
3 6 17 38 65 96 147 214 267 334
4 8 27 58 103 158 236 359 504 598
5 10 41 98 162 257 377 565 805 948
6 15 56 130 231 360 522 738 1036 1254
8 21 103 228 415 624 960 1300 1929 2226
10 27 185 359 641 1015 1549 2043 2924 3691
12 38 231 538 1016 1435 2062 3043 4489 5562
14 41 256 648 1128 1837 2892 5076 7585 9007
16 43 339 856 1495 2433 3832 6724 10052 11937
18 50 433 1095 1912 3114 4904 8603 12340 14713
20 62 540 1363 2383 3879 6106 10714 16079 19085
24 221 879 2040 3627 5950 9436 15585 23236 28337
Cv Chart
Notes:
1. Rated Cv = the volume of water in GPM/min that will pass through a given valve opening at a pressure drop of 1 Psi.
2. Calculation and simulation of Rated Cv per ISA S75.02. 3. Mentioned Pressure Drop refers to the New Pressure Drop when flow going through the valve.
EVERMARK VALVE AND AUTOMATION
376&377 SERIES BUTTERFLY VALVE
Valve Torque (in-lb)
Notes: 1. Above torques including 20% safety factor. 2. At least 30% safety factor to be considered for gear operation. 3. At least 50% safety factor to be considered for pneumatic and electric actuators.