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250 WOG
Molded in Seat
Gear ≥10”
Body: Ductile Iron - ASTM A536
Disc: Aluminum - Bronze, Ductile Iron - ENP, 316 SS
Stem: Stainless Steel
Seat: (B) - NBR (BUNA-N, Nitrile), (E) - EPDM
Mounting Pad: ISO 5211


Unit of Measure

Specifications

Type

N/A Lug Butterfly Valves

Connection Type

N/A ANSI CL 125/150 FLANGES

Valve Operator

N/A Gear Operator

Size

N/A 2 1/2 in65 mm

Operating Temperature [Min]

N/A -20 ºF-29 ºC

Operating Temperature [Max]

N/A 225 ºF107 ºC

Operating Pressure [Max]

N/A 250 psi

Operating Pressure

N/A 300 PSI (2.1 MPa) - NON-SHOCK COLD WORKING PRESSURE (CWP) 32~212⁰F - Continuous (-4~230⁰F Intermitent)

Cv Coefficient

N/A 270

Weight

N/A 8.4 lb3.8 kg

Material

Stem Material

N/A Stainless Steel

Disc Material

N/A Ductile Iron

Seat Material

N/A EPDM

Material

N/A Ductile Iron (A536 Gr. 64-45-12)

Name Plate Material

N/A Aluminium

O-Ring Material

N/A NBR/EPDM

Bearing Material

N/A Polyacetal

Stem Bearing Material

N/A G/F PTFE

Set Bolt Material

N/A Carbon Steel

Gear Unit Material

N/A Aluminium Die-cast (B85, SC102A)

Bottom Stem Material

N/A Stainless Steel (A276, Type 410 - AISI, Type 329)

Spring Washer Material

N/A Carbon Steel

Liner Material

N/A EPDM

Dimensions

H2

N/A 6.10 in155 mm

H1

N/A 2.95 in75 mm

H3

N/A 0.73 in18.5 mm

L1

N/A 4.78 in121.5 mm

L

N/A 1.81 in46 mm

H

N/A 7.95 in202 mm

d

N/A 2.56 in65 mm

D

N/A 4.09 in104 mm

C

N/A 5.50 in139.5 mm

D1

N/A 3.15 in80 mm

Industry Standards/Certifications

N/A Certified to MSS SP-67 & API-609 Cat. A