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

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Beschrijving

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)

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
Drukclassificatie	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

Material Specifications

Onderdeel	Materiaal	Standard / Grade
Lichaam	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
Stang	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	–

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) .

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

Applicable Standards Summary

Standaard	Beschrijving
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

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
Operatie: Handwheel (Standard) / Gearbox / Actuator (Optional)

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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