Beschreibung
Double Flanged Butterfly Valve – Technical Datasheet
Model: D341X-16C-DIAB
Designstandard: API 609 · EN 593 · MSS SP-67
Konfiguration: Ductile Iron Body · C95400 Disc · SS416 Stem · EPDM Seat
Persönlich: EN 558 Series 13/14 (Selectable)
- Product Overview
|
Feature
|
Spezifikation
|
|
Nominal Diameter
|
DN50 ~ DN600
|
|
Druckbewertung
|
PN10/16 (Class 150) · PN25 (Optional)
|
|
Temperaturbereich
|
-30°C to +120°C (EPDM Seat)
|
|
Leckageklasse
|
ANSI Class VI (ISO 5208 Grade A)
|
|
Connection Type
|
Double Flanged (RF Facing per ASME B16.5)
|
|
Actuator Mounting
|
ISO 5211 F05-F14
|
- Material Specifications
|
Component
|
Material Standard
|
Key Properties
|
|
Körper
|
Ductile Iron EN-GJS-500-7
|
Epoxy Coated (250μm) · Impact 20J @ -20°C
|
|
Scheibe
|
Al-Bronze UNS C95400
|
Hardness 170-210 HB · Cavitation Resistant
|
|
Stängel
|
AISI 416 Stainless
|
HRC 35-40 · Yield Strength ≥550 MPa
|
|
Sitz
|
EPDM Vulcanized to SS304
|
FDA 21 CFR 177.2600 · Ozone Resistant
|
|
Fasteners
|
A2-70 Stainless Steel
|
ISO 3506 Class 70
|
III. Face-to-Face Dimensions (mm)
|
DN
|
Series 13
|
Series 14
|
Flange Thickness
|
|
50
|
38
|
43
|
16
|
|
100
|
43
|
52
|
20
|
|
200
|
46
|
56
|
24
|
|
400
|
53
|
70
|
30
|
|
600
|
70
|
90
|
38
|
- Performance Data
|
Parameter
|
Test Standard
|
Value
|
|
Shell Strength
|
EN 12266
|
2.4 MPa @ 30min (PN16)
|
|
Sitzleckage
|
ISO 5208 Klasse A
|
0 bubbles/min (ANSI VI)
|
|
Cv Value (DN200)
|
ISA S75.01
|
1,150
|
|
Operating Torque
|
MSS SP-67
|
85 Nm (DN100) · 240 Nm (DN300)
|
|
Cycle Life
|
ISO 15848-1
|
>100,000 cycles (water)
|
- Material Advantages
- C95400 Disc
- Saltwater corrosion rate: 0.025 mm/yr (ASTM G44)
- 3× better cavitation resistance vs. 316SS
- NACE MR0175 compliant for sour service (<50 ppm H₂S)
- SS416 Stem
- Wear-resistant machined surface (Ra ≤0.8μm)
- Double O-ring seals (Viton®) + grease reservoir
- EPDM Seat
- 35% compression recovery rate (ASTM D395)
- Withstands glycol mixtures up to 50%
- Design Features
- Disc Assembly: Monolithic C95400 casting with integral hubs
- Stem Protection: Anti-blowout design + dual bearing support
- Seat System:
- Bi-directional sealing with dual-lip EPDM
- SS304 carrier with vulcanized bonding (≥5 MPa)
- Fire-Safe Option: Secondary metal seal (SS410 + Flexible Graphite)
VII. Series 13 vs. Series 14 Selection Guide
|
Parameter
|
Series 13 (Short)
|
Series 14 (Standard)
|
|
Space Saving
|
★★★★★ (30% shorter)
|
★★★☆☆
|
|
Thermal Expansion
|
Max. ΔL=3mm/m
|
Max. ΔL=5mm/m
|
|
Angular Misalignment
|
≤1°
|
≤2°
|
|
Recommended Use
|
Compact installations
|
High-temperature pipelines
|
|
Maintenance
|
Disc removal space reduced
|
Full access to seat cavity
|
VIII. Certifications & Compliance
|
Standard
|
Certification
|
Component
|
|
Material
|
EN 10204 3.1
|
Body/Disc/Stem
|
|
Potable Water
|
NSF/61 · WRAS
|
EPDM Seat
|
|
Marine
|
DNV-GL TA-LF
|
Full Assembly
|
|
Fire Safety
|
API 607 (Optional)
|
Secondary Seal
|
|
Corrosion
|
ISO 9227 Salt Spray 1,000hrs
|
Epoxy Coated Body
|
- Anwendungen
|
Industry
|
Service
|
Optimal Series
|
|
Marine
|
Ballast water · Seawater cooling
|
Series 14
|
|
HVAC
|
Chilled water · Glycol circuits
|
Series 13/14
|
|
Power Generation
|
Cooling towers · Condensate
|
Series 14
|
|
Water Treatment
|
Potable water · Chemical dosing
|
Series 13
|
Engineering Notes:
- Series 13 Limitation: Not recommended for >120°C service or DN≥500 valves
- Galvanic Protection: Use dielectric kits when connecting to carbon steel piping
- Disc Maintenance: Field-polish with 400-grit max to preserve corrosion resistance
- Seat Replacement: Requires valve removal – Series 14 allows in-line servicing
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