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CONTROL VALVE INTRODUCTION
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Engineering >
Control Valve >
Valve Inspection and Testing
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SHUTDOWN VALVES
Design shall be in accordance with API Standard 6D for pipeline shutdown
valves and to API 6D or BS 5351 for non pipeline shutdown valves as
specified in the requisition. All pipeline shutdown valves shall be full
bore, the Inside Diameter shall be as stated in the requisition. Valves
specified to BS 5351 are acceptable in the following sizes.
ANS Class Size
150
DN 250 and below
300
DN 40 and below
Valves specified to API 6D shall be in accordance with MESC SPE 77/130.
Valves specified to BS 5351 shall be in accordance with MESC SPE 77/100
All welded body valves shall meet the requirements of MESC SPE 77/130.
End flange dimensions shall be in accordance with ANSI/ASME B16.5 for
sizes up to and including DN 600 and in accordance with MSS-SP-44 for
sizes above DN 600. All SDV's in ratings of ANS class 300 and above,
shall be fitted with sealant injection facilities to seats and stem
seal.
Body construction may be split body with flanged ends or all welded body
as specified on the requisition. Split body design shall be utilised in
sizes of DN 600 ANSI class 900 and below to facilitate shop maintenance.
Top entry valves shall not be specified as in-situ maintenance is not a
requirement. Top entry valves may, however, be accepted should they be
offered and are commercially attractive. All valves shall be flanged end
type.Flange face to face dimensions for flanged
end valves shall be In accordance with API 6D for valve sizes of DN 600
and below unless otherwise specified. For valve sizes greater than DN
600 the face to face dimensions shall be agreed between the Purchaser
and the Seller.
Surface finish for all end flanges specified as raised face in the
purchase requisition shall be smooth finish in accordance with MESC
SPE-77/301.
ABV's weighing over 500 kg shall be provided with lifting points whose
design and position shall be approved by the Company.
Both metal and soft seated valves shall be to a fire-tested design.
Copies of applicable certification shall be provided with the bid for
the valves. Refer to MESC SPE 77/100 or 77/130 for the appropriate
requirements.
For valves DN 450 and above, Seller shall clearly state in his proposal
the maximum allowable bending moment which may be applied to the valve
body.
MATERIALS
Preferred materials of construction for the valve components shall be as
indicated in the requisition. Materials of construction of the valve and
accessories and, where applicable painting and coating systems, shall be
suitable for long term exposure to a marine type environment. All
valve materials in contact with the service fluid shall conform to NACE
MR.01.75. Material acceptance shall be in accordance with MESC SPE
77/302. The materials of construction for all components of the valve
shall be clearly listed in the proposal. Certification of materials
shall be in accordance with MESC SPE 77/304 or 7/305 as applicable.
TESTlNG AND INSPECTION
Inspection/testing and certification of valves in general service, shall
be in accordance with MESC SPE 77/304. For valves in special service
these requirements shall be in accordance with MESC SPE 77/305.
For valves specified to API 6D additional testing and inspection shall
be performed in accordance with MESC SPE 77/ 30 prior to shipment.
For valves specified to BS 5351 additional testing and inspection shall
be as specified in MESC SPE 77/100.
The Company reserves the right to inspect the valves at any time during
their manufacture, testing and preparation for shipment. The
requirements for Company or third party inspection shall be as stated in
the requisition.
The valve Seller shall submit a Quality Plan with his bid. When
specified in the requisition, the valve shall be subjected to a torque
test in accordance with MESC SPE 77/130
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Marshalsea Hydraulics Shutdown valve Open this result in new window
Marshalsea Hydraulics develops and supplies
hydraulic equipment for the international offshore oil and gas industry for
both subsea and topside applications. shutdown valve Type 1175 is a
pilot-operated, three port, two position poppet valve with a spring-return
action. Manufactured from materials complying with NACE Standard ASCO - 3
WAY AIR PILOTED SPRING RETURN - SHUTDOWN SYSTEM ASCO is the worldwide leader
in the design and manufacture of quality solenoid valves. ASCO products are
designed to control the flow of air, gas, water, oil, steam. Please let us
address your applications. standard, low power and intrinsically safe.
Applications. For emergency shutdown of a process control valve the solenoid
valve in the signal Standard and Low Power valve with or ...
www.psidenver.com/asco/zero.htm
Rupture Pin Technology
EMERGENCY SHUTDOWN VALVE. Model "A" Emergency Shutdown Valve. Model "B"
Emergency Shutdown Valve. Model "C" Offset Type Emergency Shutdown Valve
Showing A Standard Design For Valves Standard Features 200 gallon, 300 psi
W.P. @100° F USCG design Product Name: Standard Features. Product
Description 100° F USCG design. 1" relief valve with block valve mode
is overridden by emergency command. Emergency shutdown is immediate Film
Bearing Design and Analysis. Valve Design and Analysis hydraulic
spool/poppet valve) for Hamilton Standard. Performed time-transient startup
and shutdown torsional vibration ...
www.nobullengineering.com/principalsandstaff_mcorbo.html
PMB Product:
Heavy-duty wraparound frame with one-inch tubing and low-profile, compact
design OHV engine with low-oil shutdown. · Brushless 120V/240V alternator. ·
Fuel shutoff valve standard.Flood Prevention - the CWD MultiZone Valve
Shutdown System from Aqualeak CWD in standard form can provide water
shutdown via the designated shutdown relay', this requires the valve/s to
multiple valves as required by any specific project design SuperSafe Tanks
Inc. - The Technological Leader in Safety, Performance, and Environmental
Protection in its design and assembly. These standard features include level
hydraulic valve built to ANSI B16.5 Standard and meets NFPA-30 2-10.1.1
Emergency independent shutdown system www.supersafetanks.com/standard2.html
ASCO - 3 WAY AIR PILOTED SPRING RETURN - SHUTDOWN
SYSTEM Zero Minimum Air and Inert
ASCO is the worldwide leader in the design and manufacture of quality
solenoid valves. ASCO products are designed to control the flow of air, gas,
water, oil, steam. Please let us address your applications. ... standard,
low power and intrinsically safe. Applications. For emergency shutdown of a
process control valve the main valve. Standard Constructions Standard and
Low Power valve with Small Engine - 21 HP Vanguard, Horizontal Standard at
SHOP.COM Buy Small Engine - 21 HP Vanguard, Horizontal Standard Tapered
Shaft, Right Side Muffler, Key Switch, Oil Cooler 381447-0275 and other
Tools & Workshop products at SHOP.COM. Overhead Valve Design Cast Iron
Cylinder Sleeve Horizontal Mounting Electric Starter Low Oil Shutdown
Tapered Shaft .
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