Plumbing Gate Valve Flanged

نوع شیر

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)

ساقه

59-1 Brass • ACME Thread (Inside Body) • Square Head for Wrench

دیسک

Solid Brass Wedge (59-1) • Flexible Design

صندلی

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

رتبه‌بندی فشار

150 PSI @ 100°C • 20 bar @ 20°C (Max. Static Pressure)

محدوده دما

-20°C to 120°C (EPDM) • -10°C to 150°C (PTFE)

نشتی صندلی

Class B (EN 12266-1)

Flow Direction

Bi-directional

Port Type

Full Bore (100%)

عملیات

Handwheel (Direct Mounted) • Stem Retained Inside Body

Standards

ISO 228-1 • API 600 • ASME B16.34

تست هیدرو

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)

کاربردها

Steam (<120°C) • Compressed Air • Fuel Oil • Non-corrosive Liquids

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