BS 1873 cast steel globe, stop check, and needle valves

Features & Benefits

• Bolted bonnet cast carbon, stainless or alloy steel
• Unique non-rotating stem design is easily adaptable for actuation–with precision Acme threads and burnished finish.
• Valve suitable for horizontal installation.
• All graphite packed globe valves are dual qualified to API 624 and ISO-15848-1.
• Stuffing box burnished to fine surface finish.
• Available in all trim material combinations specified in API 623, as well as custom material combinations.
• Conical seats, machined to fine surface finish, in all sizes and pressure classes ensure tight shut-off.
• Seat face CoCr alloy hardfaced, ground, and lapped to a mirror finish.
• Body guided disc ensures smooth, robust operation. Disc guides are hardfaced, when specified by the purchaser, to enhance smooth guiding and extend their wear life.
• Body and bonnet castings are precision machined.
• One-piece bonnet offers better alignment with fewer parts (available depending on size and class).
• Body and bonnet joint accurately machined to the required serrated surface finish.
• Fully enclosed gasket.
• Gland has two-piece construction for easy alignment.
• Torque arm reduces wear on packing rings, enables better sealing and reduces torque.
• Rotating stem nut is austenitic ductile iron Gr. D-2C serviceable in line. When handwheel is used, thrust bearing arrangements vary depending on valve size and class.
• Impactor handwheels are supplied at manufacturer’s option unless specified by the purchaser.
• End connection flanges in accordance with ASME B16.5