Class 150 ASME B16.5 Flanges

✅ Class 150 ASME B16.5 Flanges – Supplied by SSM

SSM supplies ASME B16.5 Class 150 flanges designed for piping systems operating at low to moderate pressure, with excellent dimensional accuracy, corrosion resistance, and global compliance.

📘 What is ASME B16.5 Class 150?

ASME B16.5 is the American standard for pipe flanges and flanged fittings, covering sizes from ½" to 24" in pressure classes ranging from 150 to 2500.
Class 150 flanges are rated for a maximum pressure of approximately 285 psi (19.6 bar) at 100°F (38°C), depending on the material.

📐 Specifications:

Pressure Rating: Class 150 (PN20 equivalent)

Standard: ASME B16.5 (ANSI)

Size Range: ½" to 24" (DN15 to DN600)

Flange Types:

Slip-On (SO)

Weld Neck (WN)

Blind (BL)

Threaded (TH)

Socket Weld (SW)

Lap Joint (LJ)

Facing Options: Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ)

🔩 Available Materials:

Carbon Steel: ASTM A105, A350 LF2

Stainless Steel: ASTM A182 F304, F304L, F316, F316L

Duplex Steel: ASTM A182 F51, F53, F55

Nickel Alloys: Inconel, Monel, Hastelloy (upon request)

📄 Certifications:

EN 10204 3.1 / 3.2 Mill Test Certificates

NACE MR0175 / ISO 15156 (for sour service)

PED 2014/68/EU compliance available

Custom third-party inspection if required

🏭 Applications:

Oil and gas pipeline connections

Chemical and petrochemical facilities

Power generation and boiler systems

Marine and offshore platforms

General industrial piping

📦 Why Choose SSM for Class 150 Flanges?

Tight dimensional tolerances as per ASME B16.5

Smooth machined surfaces and anti-corrosion treatment

Competitive pricing and fast global delivery

Custom drilling or special material grades on request

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