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High Performance High Seal Series
 For Severe Process Service
High Performance Butterfly valves are the result of years of experience in the design and manufacture of products for a variety of applications. Our valves are designed and tested to meet or exceed the most exacting standards of our industries.
A wide range of applications from vacuum to very high pressure service, and from low to very high temperature service. Suitable for any severe process lines.
Excellent control characteristics that allow throttle control of flows.
Bubble-tight shut-off capability
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APPLICATIONS
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FEATURES AND BENEFITS
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Oil refining
Chemical and petrochemical processing
Pulp and paper manufacturing processing
Sugar refining
Coal and mining industries
Chemical machinery industries
Power generating plants
Desalination
Steelmaking
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- Soft Seat Series GTD: Elasticity of the seat and fluid pressure assures perfect "bubble-tight" sealing.
- Metal Seat Series MTD: This version offers very high sealing capability with an unusually low leakage rate.
- Fire-Safe Seat Series FSD: After a fire when the RTFE seat has burned away, the supplementary metal sealing seat activates automatically and prevents excessive flow.
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GTD SERIES
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SPECIFICATIONS
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- Sizes/Ratings:
- 2" - 24" / ANSI Class 150 - ISO PN 10, 16, 25
- 2" - 24" / ANSI Class 300 - ISO PN 25, 40
- 3" - 24" / ANSI Class 600 - ISO PN 64
- Face to Face Dimensions: ISO 5752 / short (DIN3202 / K1), API 609, MSS SP - 68
- Top Plate: ISO 5211
- Body Style: Wafer design, Lug design
- Manual Actuator: Lock lever handle, Worm gear
- Automatic Actuator: Electric, Pneumatic (spring-return or double acting), Hydraulic cylinder
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MATERIALS
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- Body: Carbon steel (A216 - WCB), 316 Stainless steel (A351 - CF8M)
- Disc: A351 - CF8M
- Shaft: 17 - 4PH (630SS)
- Seat: RTFE ( 482°F maximum), leakage is negligible
- Shaft Bearing: RTFE / 316 Stainless
- Gland Bearing: PTFE
- Seal: PTFE
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MTD SERIES
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SPECIFICATIONS
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- Sizes/Ratings:
- 2" - 36" / ANSI Class 150 - ISO PN 10, 16, 25
- 2" - 30" / ANSI Class 300 - ISO PN 25, 40
- 3" - 24" / ANSI Class 600 - ISO PN 64
- Face to Face Dimensions: ISO 5752 / short (DIN3202 / K1), API 609, MSS SP - 68
- Top Plate: ISO 5211
- Body Style: Wafer design, Lug design
- Manual Actuator: Lock lever handle, Worm gear
- Automatic Actuator: Electric, Pneumatic (spring-return or double acting), Hydraulic cylinder
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MATERIALS
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- Body: Carbon steel (A216 - WCB), 316 Stainless steel (A351 - CF8M)
- Disc: A351 - CF8M / ENP (electroless nickel plate) or Stellited
- Shaft: 17 - 4PH (630SS)
- Seat (Material/Treatment on disc surface/Max. working Temperature):
316 Stainless / ENP / Below 572ºF
Inconel / ENP / Below 662ºF
Inconel / Stellite / Below 1202ºF
Leakage is in accordance with the Class V of ANSI B16.104 for permissible leakage rate.
- Shaft Bearing: 316 Stainless
- Gland Bearing: Graphite and nonasbestos
- Seal: Graphite
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FSD SERIES
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SPECIFICATIONS
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- Sizes/Ratings:
- 2" - 36" / ANSI Class 150 - ISO PN 10, 16, 25
- 2" - 30" / ANSI Class 300 – ISO PN 25, 40
- 3" - 24" / ANSI Class 600 – ISO PN 64
- Face to Face Dimensions: ISO 5752 / short (DIN3202 / K1), API 609, MSS SP - 68
- Top Plate: ISO 5211
- Body Style: Wafer design, Lug design
- Manual Actuator: Lock lever handle, Worm gear
- Automatic Actuator: Electric, Pneumatic (spring-return or double acting), Hydraulic cylinder
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MATERIALS
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- Body: Carbon steel (A216 - WCB), 316 Stainless steel (A351 - CF8M)
- Disc: A351 - CF8M
- Shaft: 17 - 4PH (630SS)
- Seat: RTFE with 316SS ( 500°F maximum), leakage is negligible
- Shaft Bearing: 316 Stainless
- Gland Bearing: Graphite
- Seal: Graphite
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PART NUMBER
AABBBCCCDDDEEE
AA=Size, BBB=Series/Class/Style,
CCCC=Materials (Body/Disc/Stem/Seat)
E=Operator
Size (inches): 02, 2.5, 03, 04, 05, 06, 08,
10, 12, 14, 16, 18, 20, 24,
and 30, 36 in MTD and FSD Series
Series/Class/Style:
MTD Series (metal seated):
M1W - MTD/ANSI class 150/Wafer style
M1L - MTD/ANSI class 15/Lug style
M3W - MTD/ANSI class 300/Wafer style
M3L - MTD/ANSI class 300/Lug style
GTD Series (soft seated):
G1W - GTD/ANSI class 150/Wafer style
G1L - GTD/ANSI class 15/Lug style
G3W - GTD/ANSI class 300/Wafer style
G3L - GTD/ANSI class 300/Lug style
FSD Series (fire safe):
F1W - FTD/ANSI class 150/Wafer style
F1L - FTD/ANSI class 15/Lug style
F3W - FTD/ANSI class 300/Wafer style
F3L - FTD/ANSI class 300/Lug style
Materials (Body/Disc/Stem/Seat):
MTD Series
CSSS - Carbon steel/Stainless/Stainless/Stainless
SSSS - Stainless/Stainless/Stainless/Stainless
GTD & FSD Series
CSSR - Carbon steel/Stainless/Stainless/RTFE
SSSR - Stainless/Stainless/Stainless/RTFE
Materials (Body/Disc/Stem/Seat):
H - Lock lever handle
G - Worm gear
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Downloads
Catalog Sheet
