Rising Stem Valve

At Flowlink Valves & Controls, our rising stem gate valves are available in cast or forged steel, with options in wedge and parallel slide designs. These valves feature a round handle that rotates a threaded shaft, causing the stem to rise as the valve opens. Widely used in water treatment, fire protection, gas, petroleum, chemical, and shipbuilding industries, they are ideal for medium to large diameter pipelines. With pressure ratings ranging from 150 to 2500, we also offer custom OEM services, providing tailored solutions for specialized valves and large orders.

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Technical Specification

Application   Flow connecting or cutting off
Design Standard
  • API 6D
  • ASME B16.34
F to F Standard ASME B16.10
Testing Standard API 598
End Connection Standard ASME B16.5
Size

NPS 1/2 to 2

DN 15 to 50

Pressure Class Range

·       600 to 1500

·       PN 110 to 260

Ends Flange End, Butt weld
Body

ASTM A216 Gr.WCB, ASTM A352 LCB, LCC, A217WC9, C5, A351 CF8M, CF3, CF3M, CN7M

 

Disc

 

13% Cr, 18% Cr 8% Ni, Stellite, Monel, Alloy 20, Bronze

 

Seat Material Options EPDM (-40°C to 120°C), Nitrile (-34°C to 100°C), PEEK (-50°C to 260°C), PTFE (-200°C to 260°C)
Temperature Limits Depending on seat material: -200°C to 260°C (PTFE); -50°C to 260°C (PEEK); -40°C to 120°C (EPDM); -34°C to 100°C (Nitrile)
Applications Water Treatment, Fire Protection, Gas, Petroleum, Chemical, Shipbuilding

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