Description
Technical Data Sheet
Buried Butterfly Valve – Double Eccentric – Electric Actuator
Product Name: Buried Double Eccentric Butterfly Valve
|
Item |
Specification |
|
Valve Type |
Double Eccentric Butterfly Valve (High Performance) |
|
Application |
Buried Service / Underground Installation |
|
Size |
60 inches (DN 1500) |
|
Pressure Rating |
Class 150LB (200psi) |
|
Connection Type |
Flanged Ends (ASME B16.47 Series A or B as required) |
|
Operation |
Electric Actuator with Extended Stem for buried service |
|
Item |
Standard |
|
Design & Manufacturing |
API 609 (Category B), ASME B16.34 |
|
Face-to-Face Dimensions |
API 609, ASME B16.10 |
|
Flange Dimensions |
ASME B16.47 (Series A / MSS SP-44 or Series B / API 605) |
|
Pressure Testing |
API 598 |
|
Coating Standard (Buried) |
GB/T 17459 or AWWA C210 (Coal Tar Epoxy) |
|
Actuator Mounting |
ISO 5211 |
|
Part Name |
Material Specification |
|
Body |
Ductile Iron ASTM A536, 60-40-18 / GGG40 |
|
Disc |
Ductile Iron / Stainless Steel (Optional) |
|
Seat (Seal) |
EPDM (Ethylene Propylene Diene Monomer) – Suitable for Water/Wastewater |
|
Shaft / Stem |
Stainless Steel 410 / 17-4PH (Extended Stem for burial) |
|
Bushings |
Self-Lubricating Bronze / PTFE Lined |
|
Body O-Rings |
Buna-N / EPDM |
|
Boltwork |
ASTM A193 B7 / A194 2H (Zinc Plated) |
|
External Coating |
Coal Tar Epoxy (Thick coating for buried service) |
Coating Specification:
Valve Dimensions (Approximate values for 60″ / DN1500):
|
Dimension |
Value (Approx.) |
Notes |
|
Face-to-Face (L) |
600 mm – 800 mm |
Dependent on API 609 Cat. B design |
|
Flange O/D (D) |
1380 mm – 1480 mm |
ASME B16.47 Series A |
|
Bolt Circle (D1) |
1330 mm – 1430 mm |
Dependent on flange standard |
|
Number of Bolt Holes |
48 – 56 |
/ |
|
Valve Height (w/o operator) |
Custom |
Dependent on extended stem length |
|
Extended Stem Length |
As per burial depth |
Typically 2m, 3m, or as specified |
|
Item |
Requirement |
|
Actuator Type |
Heavy-duty Electric, Quarter-turn (90°) |
|
Power Supply |
380V AC / 50Hz / 3-Phase (or as specified) |
|
Torque |
≥ 1.5 x Required Valve Break Torque |
|
Protection Class |
IP68 (Watertight for buried applications) |
|
Duty Cycle |
S2 / S4 (Intermittent) |
|
Motor Insulation |
Class H / F |
|
Manual Override |
Handwheel with declutch mechanism |
|
Limit Switch |
Fully adjustable (Open/Close) |
|
Control Type |
On-Off / Modulating (4-20mA) as required |
Technical Notes:
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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