Gate Valves

Gate Valves

Cast Steel Bolted Bonnet - Model No.SE-05

Features

• STARTEK Cast Steel Gate Valves have been designed to meet the requirements of API 600 - ISO 10434 / BS 414/API 603/API 6D-IS014313/ASMEB 16.34
• Face to Face and End to End dimensions conform toASME B16.10/ ISO 5752/ BS 20801 DIN
• End flange dimensions conform toASME B16.5/ ISO 7005-1/API 605/ BS 3293/ DIN
• Butt weld end dimensions conform to ASME 816.25
• The stem nut design allows for the removal of the hand-wheel while keeping the Stem and Gate in a fixed position.
• Anti-frictional Ball bearings are provided in higher sizes and classes.
• The strength of Stem to Gate connection is stronger than the strength of the Stem at the root of the operating thread
• Outside screw and yoke construction
• All the valves provided with backseat arrangement
• The gland is of self aligning two piece type
• Bi-directional shut-off
• Deep stuffing box
• Body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop and lower erosion
• The Seat-rings are cylindrical bottom seated type having ample cross section for strength are provided with welded in and threaded Seat-rings will be supplied on request. In case of SS valves the Seat-rings are integral to Body
• The Body to Bonnet joint is fiat in ISO PN 20 /ASME 150# valves, a male and female joint is used in PN 50 300# & PN 1101 600# and ring joint is used in higher classes
• Valves meet the requirements of fugitive emission levels Shell category B as per MESC SPE 771312

Option

• 4 Solid, flexible, split wedge, double disc and parallel Slide Gate configurations available
• For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available
• 4 Locking arrangement
• Gear,Electrical, Hydraulic or Pneumatic actuator available

Materials