What thread standards are available on Jayesh Forge threaded flanges?

ASME B16.5Class 150#Threaded (TH)Capacity: Strictly Up to 50 kg

ASME B16.5 Class 150 Threaded Flange Dimensions & Weight

Precision closed-die drop forged and CNC machined from heat-tracked billets at our Rajkot manufacturing facility. Engineered with unbroken grain flow for high-pressure service up to 285 psi @ 100°F (19.6 bar ambient), adhering to EN 10204 3.1 and ISO 9001:2015 quality requirements.

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Rajkot, Gujarat (IN-GJ 22.2597° N, 70.8123° E)

Deep-Water Port Mundra (240 km) & Port Kandla (230 km)

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ASME B16.5 Class 150 Threaded Flanges connect to externally threaded pipe without welding. Drop forged at Rajkot up to 50 kg per piece for explosive or hazardous environments where hot work is prohibited.

StandardASME B16.5

Pressure Rating285 psi @ 100°F (19.6 bar ambient)

Facing FinishRaised Face (RF) 1/16" Serrated

Max Unit WeightUp to 50 kg max

ASME B16.5 Class 150 Threaded Flange Dimensions & Weight — Dimensions & Weight Chart

All dimensions in millimeters (mm) and nominal weights in kilograms (kg) strictly manufactured up to 50 kg per piece.

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NPS	Metric DN	Outside Dia (OD mm)	Flange Thickness (mm)	Bolt Circle PCD (mm)	No. of Bolts	Hole Dia (mm)	Approx Weight (kg)
1/2"	DN15	89 mm	11.2 mm	60.5 mm	4	16 mm	0.8 kg✔ (≤50kg)
3/4"	DN20	98 mm	12.7 mm	70 mm	4	16 mm	1.1 kg✔ (≤50kg)
1"	DN25	108 mm	14.3 mm	79.5 mm	4	16 mm	1.5 kg✔ (≤50kg)
1-1/2"	DN40	127 mm	17.5 mm	98.5 mm	4	16 mm	2.5 kg✔ (≤50kg)
2"	DN50	152 mm	19.1 mm	120.5 mm	4	19 mm	4 kg✔ (≤50kg)
3"	DN80	190 mm	23.9 mm	152.5 mm	4	19 mm	7.2 kg✔ (≤50kg)
4"	DN100	229 mm	23.9 mm	190.5 mm	8	19 mm	10.5 kg✔ (≤50kg)
6"	DN150	279 mm	25.4 mm	241.5 mm	8	22 mm	17 kg✔ (≤50kg)

Engineering Note: Weights shown reflect standard carbon steel (ASTM A105, density 7.85 g/cm³). For Stainless Steel (304L/316L, density 8.00 g/cm³) or Duplex 2205 (7.80 g/cm³), multiply nominal weight by the metallurgical density ratio. All Jayesh Forge production strictly maintains our 50 kg max piece limit.

Available Metallurgical Grades

ASTM A105 — 100% heat batch tracked with full chemical and mechanical certification.
SS 304L — 100% heat batch tracked with full chemical and mechanical certification.
SS 316L — 100% heat batch tracked with full chemical and mechanical certification.
Brass — 100% heat batch tracked with full chemical and mechanical certification.
Bronze — 100% heat batch tracked with full chemical and mechanical certification.

View complete metallurgy & EN 10204 3.1 inspection protocols

Primary Engineering Applications

Refinery Non-Welded Zones
Gas Distribution Stations
Combustible Storage Yards

Inquire about custom machining or special facings (RTJ/Tongue-Groove)

Rajkot Facility Manufacturing & Global Logistics Corridors

This component is hot-forged on high-speed closed-die friction presses and CNC finished at our Rajkot manufacturing center located at Plot No. 42/43, GIDC Industrial Estate, Rajkot, Gujarat - 360002, India. Global ocean freight dispatches weekly via Port Mundra (240 km) and Port Kandla (230 km) with rapid transit to Houston USA, Rotterdam Europe, and Dubai UAE.

ASME Standards Committee View Rajkot Plant Location (Google Maps) Back to All 56 Flange Standards