Description
BRASS GATE VALVE TECHNICAL DATA SHEET
Design: Inside Screw • Bonnet: Threaded Connection
|
Parameter |
Specification |
|
Valve Type |
Inside Screw, Non-Rising Stem Gate Valve |
|
Bonnet Connection |
Threaded (Screwed) • Tapered Thread (BSPT/NPT) |
|
Size Range |
¼” to 4″ (DN8 to DN100) |
|
Body/Bonnet Material |
59-1 Brass (CuZn40Pb2 • GB/T 5231) |
|
Stem |
59-1 Brass • ACME Thread (Inside Body) • Square Head for Wrench |
|
Disc |
Solid Brass Wedge (59-1) • Flexible Design |
|
Seat |
Integral Body Seat (Machined Brass) |
|
Seals |
EPDM Stem O-rings (Standard) • Optional: PTFE/VITON® |
|
Packing |
Braided Graphite (ASTM F109) • 2-Stage (Primary O-ring + Secondary Packing) |
|
End Connections |
FF flange, ANSI B 16.5, EN1092 |
|
Pressure Rating |
150 PSI @ 100°C • 20 bar @ 20°C (Max. Static Pressure) |
|
Temperature Range |
-20°C to 120°C (EPDM) • -10°C to 150°C (PTFE) |
|
Seat Leakage |
Class B (EN 12266-1) |
|
Flow Direction |
Bi-directional |
|
Port Type |
Full Bore (100%) |
|
Operation |
Handwheel (Direct Mounted) • Stem Retained Inside Body |
|
Standards |
ISO 228-1 • API 600 • ASME B16.34 |
|
Hydro Test |
Body: 30 bar • Seat: 11 bar |
|
Bonnet Seal |
EPDM Gasket + Thread Sealant (Leak-tight to 20 bar) |
|
Max. Handwheel Torque |
½”: 12 Nm • 1″: 25 Nm • 2″: 50 Nm |
|
Weight (Approx.) |
½”: 0.22 kg • 1″: 0.65 kg • 2″: 1.55 kg |
|
Compliance |
RoHS • REACH • Lead Content: 0.8-1.9% (Not for potable water) |
|
Applications |
Steam (<120°C) • Compressed Air • Fuel Oil • Non-corrosive Liquids |
INSIDE SCREW DESIGN ADVANTAGES
|
Feature |
Benefit |
|
Stem Thread Location |
Threads remain inside valve body • Protected from external corrosion/dust |
|
Stem Retention |
Stem cannot be blown out under pressure |
|
Maintenance |
No external stem exposure • Reduced wear in dirty environments |
|
Compactness |
Lower installation height vs. OS&Y designs |
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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