Butterfly Valves

Body Style:
Series 40 – Wafer

Series 41 – Lug

Body:
CI, DI, CS, SS

Disc/Stem:
316 SS

Duplex SS

Seat :
PTFE lined EPDM

Size Range:
2” to 24” (DN 50 to 600)

Pressure Rating:
150 PSIG (PN 10)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

BROCHURES:

Butterfly Valve_Series 40 & 41 Industrial Split Body

Body Style:
Series 42 – Wafer

Series 43 – Lug

Body:
DI, CS, SS

Disc/Stem:
316 SS

Duplex SS

PTFE Lined

PFA Lined

UHMWPE Lined

Halar® Coated

Seat :
PTFE/Silicone, PTFE/FKM

PFA/Silicone, PFA/FKM

UHMWPE/FKM

Size Range:
2″ to 24“ (DN 50 to 600)

Pressure Rating:
150 PSIG (PN 10)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:
*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*Resilient seat energizer extends completely around seat, including disc hub area

*One piece disc/stem in high strength design – available in SS316 thin profile with hand polished edge and hubs, or PTFE/PFA
*encapsulated (min. 3mm thick)

*Heavy duty acetal bushing

*Bi-directional U-cup stem seal

*Heavy duty, two piece epoxy coated body with extended neck and locating holes

*Precision machined PTFE/PFA seat (min. 3mm thick)

*Live-loaded stem seal system by a set of Belleville spring washers on the upper and lower stem

BROCHURES:

Butterfly Valve_Series 42 & 43 Lined

Description:
Fire safe design and NACE versions available.

Body Style: Wafer, Lug, Double Flanged
BodyBody: CS, SS
DiscBody: CF8M, CF8
Stem: 316 SS, 17-4 PH, XM-19
Seat:
Ultra, PTFE, RTFE, Metal (SS, Inconel), Firesafe

Size Range:
Series 44, 45 – 2″ to 48“ (DN 50 to 1200)

Series 47, 48 – 2” to 24” (DN 50 to 600)

Series 46 – 3″ to 48“ (DN 80 to 1200)

Series 49 – 3″ to 24“ (DN 80 to 600)

Pressure Rating:
Series 44, 45, 46 – Class 150

Series 47, 48, 49 – Class 300

Design Standard:
API 609 Category B, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*Adjustable stem packing features pull down gland with easy access without removal of actuator

*Tangential wedge pins are offset from center of stem putting them in compression rather than shear

*Disc stop designed to prevent disc rotation in wrong direction and potential seat damage

*Retainer clip provides blow-out proof stem

*Live-loaded stem seal system by a set of Belleville springs. Rocker shaped gland bridge compensates for uneven adjustment of gland bolts

*“Bear-X” bearing has excellent thermal, chemical and wear resistance

*One piece body with extended neck

*Self-energizing flexible lip seal soft seat design. Two points of contact on firesafe metal seat design

BROCHURES:

Butterfly Valve_Series 44-45-46 & 47-48-49 Double Eccentric High Performance (Imperial)

Butterfly Valve_Series 44-45-46 & 47-48-49 Double Eccentric High Performance (Metric)

Technical Bulletin_ End Flange Bolting Double Eccentric Butterfly Valves

Body Style:
Series 50 – Wafer

Series 52 – Lug

Series 5A – Wafer (Alternate stem size)

Series 5B – Lug (Alternate stem size)

Body:
CI, DI, CS

Disc :
Nylon coated Ductile Iron

Aroxy Ductile Iron

CF8M

Stem:
410 SS, 17-4 PH

Seat :
EPDM, White EPDM

Buna-N, White Buna-N

FKM, Silicone

Size Range:
2″ to 24“ (DN 50 to 600)

Pressure Rating:
2″ to 12″ – Class 125, 175 PSIG (PN 12)

14” to 24” – 150 psi (PN 10)

Optional: 2” to 24” – 230 (PN 16)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*Top plate double drilled to ISO 5211 and standard secondary bolt circle dimensions designed for directing mounting of a wide range of actuators, handles, and gears

*Heavy duty acetal bushing

*High strength disc with hand polished disc edge and hubs

*One piece stem with internal Double D drive eliminates disc pins and screws

*Blowout proof stem retention offers easy assembly and disassembly

*Bi-directional U-cup stem seal

*Heavy duty, one piece epoxy coated body with extended neck for 2” of insulation and locating holes

*Center-LOK® peroxide cured seat

*Double molded O-rings provide upper and lower secondary seals

BROCHURES:

Butterfly Valve_Series 50 & 52 Resilient Seated

Butterfly Valve_Series 50 & 52 Resilient Seated_ESPAÑOL

Butterfly Valve_Series 50 & 52 Resilient Seated_PORTUGUÊS

Body Style:
Series 51 – Wafer

Series 53 – U Section Wafer (lugs drilled not tapped)

Body:
CI, DI, CS

Disc:
Nylon Ductile Iron (NDI)

Aroxy Ductile Iron (ADI)

CF8M

Stem:
410 SS, 316 SS, CS BS 970

Seat :
EPDM

Buna-N

FKM

Silicone

Size Range:
26″ to 40“ (DN 650 to 1000)

Pressure Rating:
150 PSIG (PN 10)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*Heavy duty bronze sleeve bearing reduces friction and torque

*High strength disc with hand polished disc edge and hubs

*Thick bronze bushing absorbs actuator side thrusts

*Bronze vertical thrust bearing eliminates disc displacement due to weight of stem and disc

*Blowout proof stem retention offers easy assembly and disassembly

*Bi-directional U-cup stem seal

*Heavy duty, one-piece epoxy coated body

*Center-LOK® peroxide cured seat

*Double molded O-rings provide upper and lower secondary seals

BROCHURES:

Butterfly Valve_Series 51 & 53 Resilient Seated

Description:
Wafer, Lug

Body Style:
Series 56 – Wafer

Series 57 – Lug

Body:
CI, DI, CS, SS

Disc:
Nylon coated Ductile Iron, Aroxy Ductile Iron, CF8M, NAB

Stem:
410 SS, 17-4 PH, 316 SS

Seat :
EPDM, Buna-N, FKM

Size Range:
2″ to 48“ (DN 50 to 1200)

Pressure Rating:
2″ to 24″ – 285 PSIG (PN 20)

26″ to 48″ – 230 PSIG (PN 16)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*High strength disc with polished edge and hubs

*Upper and lower stem with Square or double-D drive eliminates the need for disc screws or taper pins

*Double molded O-rings provide upper and lower secondary seals

*Heavy duty bushing absorbs forces acting on disc-stem assembly due to line pressure

*“Bear-G” bearings on drive and non-drive end stem reduce friction and isolate stem from valve body

*Bi-directional U-cup stem seal

BROCHURES:

Butterfly Valve_Series 56/57 Resilient Seated for Higher Pressures Wafer and Lug

Description:
Double Flanged

Body Style:
Series 58 – Double Flanged

Body:
CI, DI, CS, SS

Disc:
Nylon coated Ductile Iron, Aroxy Ductile Iron, CF8M, NAB

Stem:
410 SS, 17-4 PH, 316 SS

Seat:
EPDM, Buna-N, FKM

Size Range:
2″ to 48“ (DN 50 to 1200)

Pressure Rating:
2″ to 24″ – 285 PSIG (PN 20)

26″ to 48″ – 230 PSIG (PN 16)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*High strength disc with polished edge and hubs

*Upper and lower stem with Square or double-D drive eliminates the need for disc screws or taper pins

*Double molded O-rings provide upper and lower secondary seals

*Heavy duty bushing absorbs forces acting on disc-stem assembly due to line pressure

*“Bear-G” bearings on drive and non-drive end stem reduce friction and isolate stem from valve body

*Bi-directional U-cup stem seal

BROCHURES:

Butterfly Valve_Series 58 Resilient Seated for Higher Pressures Double Flanged

Body Style:
Series 5C – Wafer

Series 5D – Lug

Body:
CI, DI, CS

Disc/Stem:
316 SS

Duplex SS

Elastomer (EPDM, NBR) Lined

Halar® Coated

Seat:
EPDM, White EPDM

Buna-N, White Buna-N

FKM, Silicone

Size Range:
2″ to 24“ (DN 50 to 600)

Pressure Rating:
150 PSIG (PN 10)

Design Standard:
API 609, BS EN 593

Testing Standard:
API 598, BS EN 12266-1

Features:

*ISO 5211 top plate for direct mounting of a wide range of actuators, handles, and gears

*Heavy duty acetal bushing

*Upper and lower bearings

*One piece thin profile disc/stem in high strength design

*Bi-directional U-cup stem seal

*Heavy duty, two piece epoxy coated body with extended neck and locating holes

*Center-LOK® peroxide cured seat

*Double molded O-rings provide upper and lower secondary seals

BROCHURES:

Butterfly Valve_Series 5C/5D Split Body Resilient Seated