Description
TECHNICAL DATA SHEET
PRODUCT: 28″ 150LB WAFER BUTTERFLY VALVE (ASME B16.47 B DRILLING)
|
Parameter |
Specification |
|
Valve Type |
Centric Wafer Butterfly Valve |
|
Nominal Size |
28″ (DN700) |
|
Pressure Rating |
150LB (PN20) |
|
Face-to-Face Length |
EN558 Series 20 (165 mm) |
|
End Connection |
Wafer per ASME B16.47 B Drilling |
|
Design Standard |
API 609, EN 593 |
|
Leakage Class |
EN 12266-1 Class A (Zero Leakage), API 598 |
|
Standard |
Requirement |
Compliance |
|
EN558 Series 20 |
Face-to-Face (DN700) |
165 mm |
|
EN 558-1 |
Mounting Dimensions |
Compliant |
|
EN 1092-2 Type B |
Flange Drilling (Series B) |
8×Ø34.9 mm |
|
EN 12627 |
Stem Dimensions |
ISO 5211 F05 |
|
Component |
Material Standard |
Grade |
|
Body |
EN 1561 / ISO 1083 |
EN-GJS-500-7 (Ductile Iron) |
|
Disc |
EN 10283 |
G-X6CrNiMo 17-12-2 (Stainless Steel) |
|
Stem |
EN 10088-3 |
1.4021 (X20Cr13, Martensitic SS) |
|
Seat Seal |
EN 681-1 |
NBR P80 (Nitrile Rubber) |
|
Test |
Standard |
Result |
|
Shell Test |
EN 12266-1 |
3.0 MPa (PN30) |
|
Seat Leakage Test |
EN 12266-1 |
Class A (Zero Leakage) |
|
Cyclic Endurance Test |
EN ISO 17292 |
5,000 cycles |
|
Fire Safety Test |
EN ISO 10497 |
Passed |
|
CE/PED Certification |
2014/68/EU |
Category II |
|
Dimension |
Value |
Tolerance |
|
Face-to-Face Length (L) |
165 mm |
±0.8 mm |
|
Flange Drilling (EN 1092-2 Type B) |
||
|
– Bolt Circle Diameter |
1016 mm |
±1.5 mm |
|
– Bolt Holes |
8 × Ø34.9 mm |
H14 |
|
Disc Thickness |
38 mm |
+1.0/-0.5 mm |
|
Parameter |
Value |
|
Temperature Range (NBR Seat) |
-20°C to +120°C |
|
Max Working Pressure |
20 bar @ 120°C (290 psi) |
|
Operating Torque |
10,200 N·m (7,520 lb·ft) |
|
Flow Characteristic |
Equal Percentage (EN 60534) |
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.
