5801 Bellows Seal and 5601 Packed Gland Globe Control Valves
Sizes: 1” ~ 12” (DN25 ~ DN300)
Body Material cast: A352 LCC C Steel, A351 CF8M St Steel, A494 M35-1 NiCu, CW12MW NiCrMoW, CY40 NiCrFe.
End connections— CL150, CL300, CL600, PN16, PN25, PN40.
 
Features of Bellows Seal Globe Control Valves
Throttling and control function with zero leakage to atmosphere, reliable process isolation and robust designs for ease of operation and maintenance
·Control valve body with long stroke to enable good fluid control from the minimum to maximum process conditions.
·Special trims designed to suit specific applications: variety of options available including contoured, single-stage and multi-stage cage catering for a variety of fluid conditions including noisy gases and flashing/ cavitating liquids.
·Field proven designs and decades of service experience in a wide range of applications in the chemical, oil, gas, petrochemical and power industries.
· 2 or 3 ply UNS N10276 bellows and UNS N10276 end rings.
·Open bellows design for ease of examination and maintenance and no bellows damage due to trapped corrosion products.
·All testing performed to the requirements of the latest Euro Chlor GEST 17/492, ASME B16.34 and ANSI/ FCI 70.2.
·Flow characteristics: Linear, Equal Percentage and specials.
·Sizing software for fluid flow capacity and noise calculations in accordance with IEC 60534-2-1 and IEC 60534-8-3 respectively.
·Variety of actuators, positioners and accessories as per end-user’s requirements. Pneumatic spring diaphragm/piston-cylinder and electro-hydraulic actuators. Pneumatic, electropneumatic and SMART(HART) and Fieldbus enabled positioners. Limit switches and solenoid valves.
 
Features & Benefits
Body & Bonnet
·Minimum wall thickness in accordance with GEST 17/492 (API623).
·GEST 17/492 NDE including castings to ASTM E446 Level 2.
· All material options available, carbon steel (LT, HT), stainless steel, duplex stainless steel and nickel alloy.
·ISA-75.08.01-2002 standard face-to-face class 150 series 37, class 300 series 38, and class 600 series 39.
Bellows
·Bellows guaranteed for at least 100,000 Open/Close/Open cycles per GEST 17/492.
Auxiliary Stuffing Box
· 5 ring PTFE chevron packing set, spring loaded, requires no routine maintenance.
· Leak detection tapping to the inter space between bellows seal and auxiliary gland available as option.
Bolting
·Low alloy steel bolting Xylan® coated to minimise corrosion and to facilitate easy maintenance.
Trim
·Replaceable
· Stellited sealing surface as standard. Soft seal seat available as option.
·Plug pinned to stem to ensure repeatable flow control.