Cast iron butterfly valve | Item 385-386-387 | Omal

Macro Butterfly valves
Category Cast iron butterfly valves
Cast iron butterfly valve for mounting between flanges, “Lug” type

ITEM 385
Body: Cast iron
Butterfly: Cast iron
Liner: see table
ITEM 386
Body: Cast iron
Butterfly: AISI 316
Liner: see table
ITEM 387
Body: Cast iron
Butterfly: Bronze aluminium
Liner: see table

Download Catalogue Cast Iron Butterfly Valve 2-12-2-ITEM375-376-377ITEM385-386-387

Categories: ,

Benefits

Item 385-386-387 butterfly valve - benefits -

1. EN ISO 5211 top mounting
Easy coupling with every kind of drives.

2. Three guiding bushings on the shaft
It grants a perfect alignment of the shaft on the body and prevents oscillations even with high pressure.
Less friction between the shaft and body.

3. Vulcanized liner on rigid ring
Less deformation of the liner
Easy assembly / disassembly of the liner for maintenance
No deformation of the liner between the flanges during assembly
Greater dimensional accuracy during the injection/molding

4. Shaft in 2 pieces without fixing components
Easy assembly / disassembly of the disc for maintenance
Higher Kv thanks to the central section of the disk thinner than a valve with a single shaft

5. Lapped surface of the disc’s circumference
Better tightness and less wear of the liner
Lower torque due to less friction between the disc and liner

Wide range of LINER materials
Various applications possibility

ATEX Certificate
Installation is allowed in a potential explosive environment

PED Certificate
Full compliance with European Safety Standards for Pressure Equipment

 

Features

GENERAL FEATURES:
OMAL butterfly valves, available in wafer or lug version from DN 40 to DN 600 (lug DN 300), are designed and manufactured to be used in most applications in all industrial fields.

  • General requirements in accordance with UNI EN593
  • Face to face as per EN 558 series 20
  • Tightness at 16 bar according to EN 12266-1 rate A
  • Integral sealing (with liner vulcanized on hard ring) which avoids any contact between fluid and valve body.
  • Sealing design allowing perfect adherence to the valve body and perfect tightness to the flanges, without additional parts. Clamping between flanges does not influence the torque of the valve.
  • Lapped disc edges that allows better tightness, reduced torque and low wear of the liner.
  • Bushes to support the shaft.
  • Coupling between stem and disc with two shafts (better Kv) carried out with no additional fittings (e.g. screws, bolts, pins, etc.) to avoid any risk of corrosion and breaking.
  • Valve neck with top work as per EN ISO 5211 for easy connections with all different types of actuators.
  • All components properly treated against corrosion.

OMAL will be free to change all specifications and data included in this catalogue at any time, so as to improve the quality and the performance of its products.
 

STANDARD EXECUTIONS:
• Available range: from DN 40 to DN 300 PN 10 – PN 16.
• Standard flanges: PN 10=PN 16 – from DN 40 to DN 150; PN 10 or PN 16 from DN 200 to DN 300.
• On request PN 16 from DN 200 to DN 300.
• General requirements in accordance with UNI EN593.
• Face to face as per EN 558 serie 20.
• Valve head as per ISO 5211.
• Tightness as per EN 12266-1 rate A.
• Other tests on request.
• Operating temperature of liners:
EPDM: from -25°C to +135°C;
NBR: from -23°C to +82°C;
FKM: from -10°C to +190°C;
PTFE (on EPDM core): from -25°C to +150°C.
• Working pressure between flanges: PN 16 bar for DN 40 to DN 150; PN 10 or PN 16 bar

ON REQUEST:
• Working temperature for special liners:
SILICONE: from -25°C to +160°C;
NBR CARBOX: from -10°C to +82°C;
NBR WHITE for food: from -23°C to +82°C;
HNBR: from -20°C to +120°C.
• For other applications, please contact our sales department.

CERTIFICATIONS:
• According to 2014/68/EU “PED”.
• DVGW homologation for gas (V386).
• RINA homologation.
• Conformity to the italian D.M.n°174 suitable with drinking water and alimentary fluid (V386).
• ATEX version in conformity with European Directive 2014/34/EU.
• ATEX certificate on request.

Dimensions
Item 385-386-387 butterfly valve - dimensions -

 

 DIMENSIONS
  SIZE
PN
A
B
ØC
ØD
ØE
ØF
□G
ØI
P
Q
R
S
ØT
U
ØZ
Holes
DN [mm] [inch]
DN 40 1″1/2 10-16 33 36 50 70 6,5 8,5 9 110 70 125 31 9 14,2 118 M16 4
DN 50 2″ 10-16 43 46 50 70 6,5 8,5 9 125 80 140 31 9 14,2 125 M16 4
DN 65 2″1/2 10-16 46 49 50 70 6,5 8,5 11 145 86 152 33 11 14,2 139 M16 4
DN 80 3″ 10-16 46 49 50 70 6,5 8,5 11 160 95,5 159 33 11 14,2 184 M16 8
DN 100 4″ 10-16 52 56 50 70 6,5 8,5 11 180 108 178 33 11 14,2 204 M16 8
DN 125 5″ 10-16 56 59 70 8,5 14 210 124,5 190,5 36 14 19 230 M16 8
DN 150 6″ 10-16 56 59 70 8,5 14 240 137 203 36 14 19 266 M20 8
DN 200 8″ 10 60 64 70 8,5 17 295 166 238 39 17 22,2 318 M20 8
DN 250 10″ 10 68 72 102 125 11 13 17 350 199 268 50 17 28,5 395 M20 12
DN 300 12″ 10 78 81,5 102 125 11 13 22 400 234 306 55 22 28,5 448 M20 12
DN 200 8″ 16 60 64 70 8,5 17 295 166 238 39 17 22,2 329 M20 12
DN 250 10″ 16 68 72 102 125 11 13 22 355 199 268 55 22 28,5 395 M24 12
DN 300 12″ 16 78 81,5 102 125 11 13 22 410 234 306 55 22 28,5 448 M24 12

 

Item 385-386-387 butterfly valve - dimensions -

LEVER FEATURES
10-position lever; lockable in each position
Material: Aluminium;
Surface coating: polyester
Weight: from 0,3 to 0,9 Kg.

 

  DIMENSIONS
  SIZE
A
B
øC
D
Kg
DN [mm] [inch]
DN 40 1″ 1/2 188 70 90 160 2,5
DN 50 2″ 203 80 90 160 3,4
DN 65 2″ 1/2 225 86 90 220 4,3
DN 80 3″ 230 95,5 90 220 5,5
DN 100 4″ 250 108 90 220 6,6
DN 125 5″ 277 124,5 90 350 9
DN 150 6″ 290 137 90 350 11,4
DN 200 8″ 325 166 90 350 17,5
DN 250 10″ 395 199 175 500 26,8
DN 300 12″ 432 234 175 500 41,8

 

Item 385-386-387 butterfly valve - dimensions -

GEAR BOX FEATURES
Designed tested mechanism, working through pinion and worm.
Visual indicator gives the position of the valve
Aluminium alloy carter for the gear box “RF0 ” type, cast iron for the gear box “RRM…” Type
Cast iron pinion.
Worm gear in hardened steel.
Steel wheel.
Epoxy painted external surface.

 

 DIMENSIONS
SIZE
PN
A
B
C
D
ØE
F
G
H
I
L
M
Kg
DN [mm] [inch]
DN 40 1″1/2 10-16 200 49 24 80 140 115 42 35 171,2 70 160 3,6
DN 50 2″ 10-16 200 49 24 80 140 115 42 35 185,9 80 160 4,5
DN 65 2″1/2 10-16 200 54 27 100 200 130 50 40 201,6 86 150 5,9
DN 80 3″ 10-16 200 54 27 100 200 130 50 40 208 95,5 150 7,1
DN 100 4″ 10-16 200 54 27 100 200 130 50 40 227 108 150 8,2
DN 125 5″ 10-16 200 54 27 100 200 130 50 40 239,7 124,5 150 10,2
DN 150 6″ 10-16 200 54 27 100 200 130 50 40 252,4 137 150 12
DN 200 8″ 10 250 70,5 40,5 140 300 175 60 60 300,7 166 180 21,6
DN 250 10″ 10 250 70,5 40,5 140 300 175 60 60 342 199 180 29,8
DN 300 12″ 10 250 70,5 40,5 140 300 175 60 60 380 234 180 45,1
DN 200 8″ 16 250 70,5 40,5 140 300 175 60 60 300,7 166 180 21,6
DN 250 10″ 16 250 70,5 40,5 140 300 175 60 60 342 199 180 29,8
DN 300 12″ 16 250 70,5 40,5 140 300 175 60 60 380 234 180 45,1

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