L&T – Check Valves – Small Bore

Small Bore Valves (Up to #1500)
Size ¼” to 2″ (8 mm to 50 mm)
ASME Class Class 150 to 1500
Design Standards API 602, BS 5352, ASME B16.34, BS 6364, MSS SP84

L&T Valves manufactures a versatile range of Small Bore Forged Steel Gate, Globe and Check Valves. The portfolio comprises valves in T-pattern and Y-pattern, as well as Cryogenic and Bellows-sealed valves. Forged Steel Gate, Globe and Check Valves is available in a variety of materials and end connections to meet customer requirements.

As a standard, valves in ASME classes up to 800 are supplied with bolted body-bonnet joints; for higher pressure classes, screwed joints are offered.

Salient Features:

• Rugged construction
• Suited to handle high pressure and temperatures – up to 425 deg C in carbon steel and 540 deg C in alloy steel
• High integrity – Bolted body-bonnet are provided with spiral-wound stainless steel gasket and graphite filler for high integrity sealing
• T-head stem-disc connection of Gate Valve fully meets strength requirements of API 602 and API 598
• High pressure valves are supplied with screwed body-bonnet joint, which ensures ease of inspection and in-line maintenance, and minimises downtime
• Y-pattern design in Globe and Check valves ensures a near-perfect flow which significantly reduces pressure drop and turbulence when compared to conventional designs
• Cryogenic Forged Steel Gate, Globe and Check Valves conform to BS 6364
• Valves can be offered to NACE MR-0175 and other special NACE requirements

Small Bore Valves (Up to #4500)
Size ½” to 2″ (8 mm to 50 mm)
ASME Class Class 1500 to 4500
Design Standards ASME B16.34

L&T Valves manufactures a versatile range of ultra high pressure Small Bore Forged Steel Gate, Globe and Check Valves. The Valves is available in a variety of materials and end connections to meet customer requirements.

Salient Features:

• Body-bonnet Connection

The body-bonnet connection of these valves is of threaded construction. To enhance the seal, the body-bonnet joint is seal-welded.

• Stem-disc Assembly

The disc of a globe valve is connected to the stem using a wire inserted through a hole in the disc. This unique stem-disc connection enables the disc to rotate freely on the stem, align perfectly with the seat and produce a tight seal.

• Seat and Disc

Forged steel valves have integral seats that are machined and hard-faced insitu for longer service life. As a standard, the valves are offered with 1.6 mm hard-facing. The discs are guided during opening/ closing to ensure proper sealing and to minimize seat damage.

Versatile Range:

• T-pattern Valves
• Material Grades: A105, F22, F19, F304