A350 LF2 JIS 5K Gate Valve

نوع شیر

Bolted Bonnet Gate Valve

Flexible Wedge Design

Design Standard

API 602 (12th Ed.)

Compact Series

اندازه

25A (DN25)

JIS Equivalent: 1"

رتبه‌بندی فشار

JIS 5K (4.9 bar)

Max. WP: 4.9 bar @ 120°C

End Connection

RF Flanges per JIS B2220

5K Drilling Pattern

Body/Bonnet Material

ASTM A350 LF2 (JIS SPLF2)

Low-Temp Carbon Steel

Disc Material

ASTM A350 LF2 + 13Cr Overlay

Flexible Wedge (HRC 35-40)

Stem Material

JIS F6 (AISI 410 SS)

Hardened: 22-25 HRC

Seat Material

AISI 410 SS Replaceable Rings

Thread-Retained Design

مهر و موم ساقه

Live-Loaded Graphite Packing

API 622 Fire-Safe

Gasket

Spiral Wound: SS316L + Graphite

ASME B16.20

Bolting

ASTM A193 B7 Studs + A194 2H Nuts

Size: M16 × 4 pcs

حضوری

108 mm

API 602 Table 5

Flange Dimensions

OD: 115 mm

Thickness: 16 mm

Bolt Circle: Ø85 mm

استاندارد بین المللی استانداردها (JIS B2220)

محدوده دما

-46°C to +120°C

LF2 Material Limit

Hydrostatic Test

Body: 11 bar

Seat: 7.4 bar

API 598

نشتی صندلی

API 598 Class IV

Metal-to-Metal

ایمن در برابر آتش

API 607 / ISO 10497 Certified

عملیات

Rising Stem, Handwheel (ISO 5211 Pad)

Torque: ≤ 35 N·m

Flow Coefficient (Cv)

110

ISA 75.01.01

Weight

12.5 kg

Material Certification

EN 10204 3.1

PED 2014/68/EU Cat. II

Backseat Pressure

5.5 bar

API 602 Sec. 7.3

Impact Test

27J @ -46°C

ASTM A370

H₂S Service Limit

≤500 ppm

NACE MR0175 Option 1

Cycle Life

≥1,000 cycles

API 598

Fugitive Emissions

≤100 ppm (ISO 15848-1 Class B)

Optional Upgrade

Body (LF2)

Yield Strength: ≥205 MPa

Stem (F6)

Tensile Strength: ≥515 MPa

Seats

Surface Hardness: HRC 35-40