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1-1/2″-150LB Closed Die Forged Gate Valves

1-1/2″-150LB Closed Die Forged Gate Valves

Design Standard API 602 / ASME B16.34 / BS 5352
Face-to-Face Dimension ASME B16.10
End Connections Flanged (RF) per ASME B16.5 / Threaded NPT per ASME B1.20.1 / Socket Weld per ASME B16.11
Pressure Rating Class 150 (PN 20)
Pressure-Temperature Rating ASME B16.34
Inspection & Testing API 598 / ISO 5208
Marking MSS SP-25
Structure Type Bolted Bonnet / OS&Y (Outside Screw and Yoke)
Bonnet Design Bolted Bonnet with Spiral Wound Gasket

Description

Technical Data Sheet – Forged Steel Gate Valve
Design Standard: API 602
Material: A105N Carbon Steel
Pressure Class: Class 150
Size: 1-1/2″ (DN40)
Connection: Flanged / Threaded / Socket Weld (as required)

  1. General Design Specifications

Item

Standard / Parameter

Design Standard

API 602 / ASME B16.34 / BS 5352

Face-to-Face Dimension

ASME B16.10

End Connections

Flanged (RF) per ASME B16.5 / Threaded NPT per ASME B1.20.1 / Socket Weld per ASME B16.11

圧力定格

Class 150 (PN 20)

Pressure-Temperature Rating

ASME B16.34

Inspection & Testing

API 598 / ISO 5208

Marking

MSS SP-25

Structure Type

Bolted Bonnet / OS&Y (Outside Screw and Yoke)

Bonnet Design

Bolted Bonnet with Spiral Wound Gasket

  1. Material Specifications

Component

材料

Standard / Grade

A105N Carbon Steel

ASTM A105N

Bonnet

A105N Carbon Steel

ASTM A105N

Gate (Wedge)

A182 F6a (13Cr) / A105N + Hardfaced

ASTM A182 F6a or Hardened

Seat Ring

A105N + Stellite / A182 F304

Integral or Welded

A182 F6a (13Cr)

ASTM A182 F6a

Stem Packing

Flexible Graphite

Gasket

Spiral Wound 316SS + Flexible Graphite

 

Bonnet Bolts

A193 B7

ASTM A193 Grade B7

Bonnet Nuts

A194 2H

ASTM A194 Grade 2H

Handwheel

Malleable / Ductile Iron

  1. Pressure-Temperature Rating (Class 150 – A105N Material)

Note: Based on ASME B16.34 for carbon steel materials.

Temperature °C

Temperature °F

Max. Working Pressure (bar)

Max. Working Pressure (psi)

-29 to 38

-20 to 100

19.6

285

100

212

17.7

257

150

302

15.8

229

200

392

13.8

200

250

482

12.1

176

300

572

10.2

148

400

752

6.9

100

425

800

5.8

85

Maximum service temperature for A105N material: 425°C (800°F) .

  1. Dimensional Data – 1-1/2″ (DN40) Class 150

Flanged Type (RF) – Dimensions in mm

Dimension

Value

Face-to-Face Length (L) – RF

165 mm (6.50″)

Height – Open (H)

227 – 258 mm (approx.)

Handwheel Diameter (W)

160 – 180 mm

Raised Face Diameter

73 mm (2.88″)

Number of Bolt Holes

4

Bolt Hole Diameter

16 mm (0.62″)

Bolt Circle Diameter

98.4 mm (3.88″)

Weight – Flanged Type

Approx. 12.5 – 19.5 kg

Threaded / Socket Weld Type – Dimensions in mm

Dimension

Value

Face-to-Face Length (L)

121 – 135 mm (approx.)

Height – Open (H)

227 – 244 mm

Handwheel Diameter (W)

160 – 180 mm

NPT Thread Size

1-1/2″ NPT (per ASME B1.20.1)

Socket Weld Bore Diameter

49 mm (1.93″) approx.

Weight – Threaded/SW Type

Approx. 6.9 – 8.2 kg

  1. Applicable Standards Summary

標準

Description

API 602

Steel Gate, Globe, and Check Valves for Sizes DN 15 through DN 50 for Petroleum and Natural Gas Industries

ASME B16.34

Valve Flanged, Threaded, and Welding End Pressure-Temperature Ratings

ASME B16.10

Face-to-Face and End-to-End Dimensions of Valves

ASME B16.5

Pipe Flanges and Flanged Fittings

ASME B1.20.1

Pipe Threads, General Purpose (Inch)

ASME B16.11

Forged Steel Fittings, Socket-Welding and Threaded

API 598

Valve Inspection and Testing

  1. Service Conditions
  • Suitable Media: Water, Oil, Steam, Gas, and Non-Corrosive Media
  • Temperature Range: -29°C to +425°C (-20°F to +800°F) for A105N material
  • Pressure Range: Class 150 (up to 19.6 bar @ ambient temperature)
  • Connection Options: Flanged (RF), NPT Threaded, Socket Weld
  • 手術: Handwheel (Standard) / Gearbox / Actuator (Optional)
  1. Features & Options
  • Bolted Bonnet Design for Easy Maintenance
  • OS&Y (Outside Screw and Yoke) Construction
  • Flexible Graphite Packing for Reliable Stem Sealing
  • Renewable Seat Rings or Hardfaced Seats (Optional)
  • NACE MR0175 / ISO 15156 Compliance for Sour Service
  • Fugitive Emission Packing (ISO 15848 / TA-Luft)
  • By-Pass Connection (Optional)
  • Gear Operator for Larger Sizes or High Pressure
  • Extended Stem for Insulated Pipelines

Note: Dimensional data may vary slightly between manufacturers. For exact dimensions, refer to the specific manufacturer’s catalog or consult technical drawings .

 

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