* The SQK API 603 Gate Valve is exceptionally sturdy, rugged, and durable, with a reputation for quality, integrity, and long service.
* They are designed for tight sealing and ease of operation. The valves are available flanged & butt-weld ends in pressure rating from ASME Class 150 to Class 2500, and in a variety of materials of construction.
* Gate Valves are of flexible wedge design, outside screw and yoke, and bolted-bonnet construction. The valves conform to SQK OS & Y Gate Valve.
Main features
* Bolted body-bonnet design,seal welded & Valves with pressure seal bonnet
* Bellows-sealed Gate and Globe valves available
* Bolted body-bonnet joints provided with spiral-wound stainless steel gasket and graphite filler for maximum protection against leaks
* Die-formed graphite inner packing rings and braided graphite end rings with Inconel wire reinforcement and corrosion inhibitor
* T-head stem-disc connection of gate valve fully meets strength requirements of API 602 and API 598
* Rolled ACME thread on stem for smooth operation
* Tapered shoulder on the stem for back seating
* Self-aligning type gland assembly with stud-and-nut tightening
* Integral hard-faced body seat for globe and check valves
* Spring-loaded disc on check valves suitable for no horizontal applications too
* Gate and globe valves can be offered with electrical actuators
* Austenitic SS forging for body and bonnet of Cryogenic valves, resulting in excellent impact strength, minimal heat loss and resistance to corrosion
* Valves can be offered to NACE MR-0175 and other special NACE requirements
Api 600 standard gate valve
Applicable standards
- Gate valves, api 603
- Steel valves, ansi b16.34
- Face to face, ansi b16.10
- End flanges, ansi b16.5
- Buttwelding ends, ansi b16.25
- Inspection and test, api 598
API 603 Stainless Steel Corrosion-Resistant Gate Valves with API Monogram
Special Features:
Integral body seat. In-situ hardfacing provided for Trim 12 and 16 valves
Flex Wedge - Compensates for seat distortion and eliminates disc-jamming
Single-piece forged stem with T-head for superior strength
Body-bonnet Joint - Class 150 Globe Valves offered with square-shaped body-bonnet
joints in size 2â?? and with oval-shaped joints in 3â?? size. Valves in all other sizes and pressure classes offered with circular body-bonnet joints.
Complies to API 624 and ISO 15848 fugitive emission requirements
