LIGHTWEIGHT DUCTILE IRON GLOBE VALVE

نوع الصمام

Bolted Bonnet Globe Valve

Angle Pattern

Design Standard

EN 13397 / ISO 15761

Lightweight Body

Size Range

DN 15 to DN 100 (½" to 4")

تصنيف الضغط

PN16 (16 bar @ 120°C)

EN 1092-2

End Connection

RF Flanges (EN 1092-2 PN16 Series A)

Drilling: EN 1092-2

Body/Bonnet Material

EN-GJS-400-18 (Ductile Iron)

ISO 1083

Tensile: 400 MPa

Trim Material

Disc & Seat: 13Cr SS (1.4021)

Hardness: HRC 35-40

Stem Material

AISI 410 SS (JIS F6 Equivalent)

Hardened: 22-25 HRC

ختم الجذع

Graphite Packing + PTFE V-rings

Fire-Safe: EN ISO 10497

Gasket

SS316L Spiral Wound + Graphite Filler

EN 1514-1

Bolting

ASTM A307 Gr.B (Zinc Plated)

Face-to-Face (DN50)

140 mm

EN 558 Series 1

نطاق درجة الحرارة

-10°C to +200°C

Max intermittent: 250°C

Hydrostatic Test

Body: 24 bar | Seat: 17.6 bar

EN 12266-1

Seat Leakage Class

Class A (EN 12266-1)

≤0.01×DN ml/min

Flow Characteristic

Equal Percentage

Flow Coefficient (Kvs)

DN50: 25

عملية

Rising Stem Handwheel

ISO 5211 Mounting Pad

Weight (DN50)

8.2 kg

Coating

Epoxy 250μm DFT

ISO 12944 C4 Certified

Certifications

PED Cat.I | DVGW WRAS | EN 10204 3.1 Material

Flange OD

165 mm

Bolt Circle Diameter

125 mm

Flange Thickness

18 mm

Bolt Holes

4 × Ø18 mm

Max Allowable ΔP

10 bar (full close)

Stroking Time (DN50)

≤8 sec (90° rotation)

Cycle Life

≥5,000 cycles