1″-4500LB-BW Close Die Forged Globe Valve

1″-4500LB-BW Close Die Forged Globe Valve

Product Name 1″ Class 4500 Butt Weld Close Die Forged Globe Valve
Model 1″-4500LB-CDF-GLOBE
Nominal Size 1 inch (DN25)
Pressure Class Class 4500 LB
Construction Close die forged body / OS&Y rising stem / Straight pattern or Y pattern (optional)
End Connection Butt weld (BW) per ASME B16.25
Body Material To be specified (Options: A105 carbon steel / F22 / F91 / F304/F316 stainless steel, etc.)
Service Condition High temperature, high pressure, high erosion environments; power plant and petrochemical isolation / shut off

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TECHNICAL DATA SHEET

1″-4500LB-BW Close Die Forged Globe Valve

Item

Təsvir

Product Name

1″ Class 4500 Butt Weld Close Die Forged Globe Valve

Model

1″-4500LB-CDF-GLOBE

Nominal Ölçü

1 inch (DN25)

Pressure Class

Class 4500 LB

Construction

Close die forged body / OS&Y rising stem / Straight pattern or Y‑pattern (optional)

End Connection

Butt weld (BW) per ASME B16.25

Bədən materialı

To be specified (Options: A105 carbon steel / F22 / F91 / F304/F316 stainless steel, etc.)

Service Condition

High‑temperature, high‑pressure, high‑erosion environments; power plant and petrochemical isolation / shut‑off

  1. Design Basis

Parametr

Standard / Description

Valve Design Standard

ASME B16.34 / API 602 / BS 1873 / API 623 / JB/T 3595

Face‑to‑Face Standard

ASME B16.10 / Manufacturer standard

End Connection Standard

ASME B16.25 (butt weld ends)

Inspection & Testing Standard

API 598 / JB/T 9092

Pressure‑Temperature Rating

Per ASME B16.34, Material Group 2

Material Standards

ASTM A105 / A182 / A194 / A193, etc.

  1. Technical Specifications

Parametr

Təsvir

Vana növü

Globe valve, close die forged, OS&Y rising stem

Bonnet Type

Pressure seal or bolted bonnet

Flow Pattern

Straight pattern or Y‑pattern (45° angle for reduced flow resistance)

Working Pressure

Up to Class 4500 LB (approx. 76.0 MPa / 11,000 PSI)

Suitable Media

Water, steam, oil, gas, non‑corrosive fluids

Temperatur Aralığı

Depends on body material:
– A105 carbon steel: -29°C ~ +425°C
– Alloy steel: -29°C ~ +540°C
– Stainless steel: -196°C ~ +650°C

Əməliyyat

Handwheel (standard) / electric actuator / pneumatic actuator (optional)

Flow Direction

Flow under disc (standard)

Sealing Type

Metal‑to‑metal (Stellite hardfacing)

Sızma sinfi

API 598 Class IV (standard) / Class V (optional)

Fire Safe Design

Compliant with API 607 / API 6FA (inherent for metal seats)

III. Bill of Materials (Typical Options)

Part Name

Carbon Steel Series

Alloy Steel Series

Stainless Steel Series

Body / Bonnet

ASTM A105 forged

ASTM A182 F22 / F91 / 12Cr1MoV

ASTM A182 F304 / F316

Disk

A105 + Stellite

F22 / 25Cr2MoV + Stellite

F316 + Stellite

Oturacaq

A105 + Stellite

304 + Stellite

F316 + Stellite

Kök

ASTM A182 F6a (13Cr)

25Cr2MoV / 1Cr17Ni2

ASTM A182 F316

Stem Nut

Aluminium bronze / Ni‑resist

Aluminium bronze / Ni‑resist

Aluminium bronze / Ni‑resist

Packing

Flexible graphite (Ni wire reinforced)

Flexible graphite

Flexible graphite / PTFE

Body Gasket

SS + graphite spiral wound

SS + graphite spiral wound

SS + graphite spiral wound

Pressure Seal Ring

Flexible graphite + SS strip / Inconel 718

Same

Same

Studs / Nuts

ASTM A193 B7 / A194 2H

ASTM A193 B16 / A194 4

ASTM A193 B8 / A194 8

Handwheel

Ductile iron (ASTM A536) / 304 SS cast

Same

Same

Note: Final material selection must conform to valve nameplate or manufacturer‘s material certificate.

  1. Dimensions & Weight (Reference)

Ölçü

Pressure Class

End Connection

Face‑to‑Face L (mm)

Overall Height H (mm)

Handwheel OD D (mm)

Weight (kg)

1″ (DN25)

Class 4500

BW (ASME B16.25)

~200–250

~400–500

~200–250

approx. 10–15

  • Face‑to‑face per ASME B16.10 or manufacturer standard; Class 4500 typically uses shorter pattern.
  • Butt weld bevel per ASME B16.25, prepared for Schedule 160 / XXS heavy wall pipe.
  • Dimensions vary by bonnet type (pressure seal vs. bolted) and flow pattern (straight vs. Y‑pattern).
  1. Əsas Xüsusiyyətlər
  1. Close Die Forged Construction – One‑piece forging eliminates casting defects, providing dense grain structure and high mechanical strength for high‑temperature, high‑pressure service.
  2. Pressure Seal Bonnet (Optional) – Pressure self‑tightening seal via wedge‑type seal ring; sealing performance increases with internal pressure, ensuring reliable sealing under extreme conditions.
  3. Metal‑to‑Metal Sealing – Disc and seat sealing surfaces overlaid with Stellite 6/12 (cobalt‑based alloy) via PTA welding, precision ground to approx. 40–45 HRC hardness, offering excellent wear, erosion, and galling resistance.
  4. OS&Y Rising Stem Design – Clear stem position indication; stem nut located above yoke, isolated from media for easy lubrication and maintenance.
  5. Non‑Rotating Stem – Stem moves linearly without rotation, eliminating spiral wear on sealing surfaces and reducing packing friction for extended service life.
  6. Stem Surface Treatment – Nitriding or hard chrome plating enhances surface hardness, wear resistance, and corrosion resistance, minimising packing leakage.
  7. Dual Stem Design (on select models) – Upper stem threads hardened and isolated from media; lower stem smooth and hardened; rotary‑to‑linear conversion reduces wear.
  8. Independent Backseat – When fully open, stem sealing surface engages backseat, allowing packing replacement under pressure for enhanced safety.
  9. Fully Guided Disc – Disc guided throughout travel for precise alignment and reliable sealing.
  10. Low Emission Packing System – Flexible graphite packing with nickel/stainless steel wire reinforcement, offering self‑lubrication and low friction, meeting low emission requirements.
  1. Close Die Forging Advantages

Parametr

Təsvir

Process

Close die forging

Dimensional Accuracy

High, near‑net shape, minimising post‑machining

Grain Flow

Metal flow lines follow component contour, providing isotropic mechanical properties

Material Yield

High, reducing material waste

Mechanical Properties

Superior tensile strength and impact toughness vs. open die forging or casting

Typical Defects

No casting defects (porosity, shrinkage)

Typical Size Range

1/4″ ~ 4″ (standard forged range); larger sizes via open die forging or casting

VII. Stellite Hardfacing

Parametr

Spesifikasiya

Alloy Grade

Stellite 6 / Stellite 12 (cobalt‑chromium‑tungsten‑carbon alloy)

Application Method

Plasma Transferred Arc (PTA) or TIG overlay welding

Thickness After Machining

≥1.5 mm (0.060″)

Hardness

Approx. 40–45 HRC

Applied Surfaces

Disc sealing face, seat sealing face

Performance Benefits

Excellent galling resistance, high‑temperature strength, corrosion resistance, erosion resistance

VIII. Applications

  • Thermal power plants: boiler blowdown, drain, desuperheating water systems
  • Petrochemical: high‑temperature, high‑pressure pipeline isolation
  • Oil refineries: FCC, hydrocracking units under severe conditions
  • Nuclear power plants: conventional island high‑pressure steam systems
  • Chemical industry: high‑pressure reactor inlet/outlet lines
  • High‑pressure gas transmission pipelines
  1. Testing & Inspection

Test Item

Standart

Requirement

Shell Strength Test

API 598

1.5× rated pressure, no visible leakage (approx. 6,750 psi)

High Pressure Seat Test

API 598

1.1× rated pressure, zero leakage across seat (approx. 4,950 psi)

Backseat Test

API 598

1.1× rated pressure, no leakage (approx. 4,950 psi)

Low Pressure Seat Test

API 598

0.6 MPa air, no visible bubbles

Pressure Seal Test

Per design pressure

Sealing performance increases with pressure

Weld End Radiographic Inspection

ASME Code

100% radiographic inspection of all welds

Wall Thickness UT Measurement

Manufacturer standard

Meets ASME B16.34 minimum thickness

Stem Surface Hardness Check

Manufacturer standard

Conforms to heat treatment requirements

Stellite Overlay Inspection

Manufacturer standard

Thickness ≥1.5 mm, no cracks or porosity

Factory Testing

100%

Each valve with unique serial number, quality tag and material certificate

  1. Pressure‑Temperature Ratings (ASME B16.34 Group 2 Materials, Reference)

Temperature (°C)

A105 Carbon Steel (MPa)

F22 Alloy Steel (MPa)

F316 Stainless Steel (MPa)

-29 ~ 38

76.0

76.0

76.0

100

70.1

71.2

68.3

200

60.5

66.8

59.3

300

52.1

63.3

52.0

400

44.8

59.9

47.8

425

41.4

58.2

46.1

450

54.0

44.0

500

46.0

37.1

Note: Values are for reference only. Refer to the latest ASME B16.34 for official ratings.

  1. Ordering Information

Please provide the following when ordering:

  1. Nominal size (1″)
  2. Pressure class (Class 4500)
  3. Body and trim material (e.g. A105, F22, F91, F316)
  4. End connection type (butt weld BW; specify bevel standard)
  5. Bonnet type (pressure seal / bolted)
  6. Flow pattern (straight / Y‑pattern)
  7. Media name and operating temperature / pressure
  8. Sealing surface requirement (Stellite grade and overlay thickness)
  9. Actuation type (handwheel, electric, pneumatic)
  10. Additional requirements (low emission, radiographic inspection report, third‑party inspection, etc.)

XII. Remarks

  • This technical data sheet applies to 1″-4500LB-BW Close Die Forged Globe Valve. Material and specific construction can be customised per user requirements.
  • Class 4500 LB corresponds to approx. PN760 (76.0 MPa).
  • Butt weld ends are prepared for Schedule 160 or XXS heavy wall pipe to ensure compatibility with high‑pressure systems.
  • For a detailed data sheet with a specific material (e.g. F91, F316H) or a specific standard, please contact the manufacturer

ZƏMANƏT:

SAVVY VALVES müstəsna məhsul keyfiyyəti və narahatlıqsız satış sonrası xidmət göstərməyə sadiqdir. Bizim klapanlarımıza minimum 12 ay xidmət müddətinə zəmanət verilir, bu müddət ərzində biz bütün zəruri ehtiyat hissələri və ətraflı texniki xidmət təlimatlarını pulsuz təmin edəcəyik. Zəmanət müddəti ərzində insan tərəfindən törədilməmiş hər hansı zədə baş verərsə, biz komponentləri heç bir ödəniş etmədən əvəz edəcəyik və peşəkar texniki dəstək göstərəcəyik. Zəmanət müddəti bitdikdən sonra müştərilər endirimli texniki xidmətlərdən yararlanmaqla yanaşı, yalnız ehtiyat hissələrinin dəyərini ödəməlidirlər. Məqsədimiz etibarlı keyfiyyət və hərtərəfli satış sonrası dəstək vasitəsilə müştərilərə əməliyyat xərclərini azaltmaq və istehsal səmərəliliyini artırmaqda kömək etməkdir. İstər texniki sorğular, istərsə də texniki xidmət tələbləri üçün mütəxəssis komandamız klapan sisteminizin hər zaman optimal işləməsini təmin etmək üçün dərhal cavab verəcəkdir.

Məhsullarımızla maraqlanırsınızsa, məlumatlarınızı burada buraxmağı seçə bilərsiniz və biz qısa zamanda sizinlə əlaqə saxlayacağıq.