KSB Valve-Pr. Relief Arrangement Pres-201210

1 KSB Valves for Power Plants / Picha

KSB Gate,Globe & Check Valves

KSB Group-Valves Division-History

Decades of demonstrated track record in design, manufacturing, testing and shipping of valves to various Power Plants worldwide.

1871

Establishment of KSB, Manufacturing of Globe-, Gate valves and Steam traps

1987

Start of manufacturing ANSI-valves in India

1948

Establishment of SISTO Diaphragm valves

1989

Acquisition of AMRI Butterfly valves

2005

Acquisition of IVC (BRA) Oil and Gas Valves

2004

Start of manufacturingButterfly-valves in China

2002

Acquisition of PSAGate valves

1997

Acquisition of MIL Control valves

2009

Aquisition of WADA Japan Cryogenic Valves


KSB SICCA Valves

Forged Valves Range

Welded Bonnet Forged Valves in Pressure Class 1500 and 2500

Valve Type Body Material Sizes Trim Nos. Ends

Gate A 105 1/2“ to 2“ 1, 8, 5 SW / SCR

Globe A 105 1/2“ to 2“ 8, 5 SW / SCR

Check A 105 1/2“ to 2“ 8, 5 SW / SCR


Gate A 105, F22 1/2“ to 2“ 8, 5 SW

Globe A 105, F22 1/2“ to 2“ 8, 5 SW

Check A 105, F22 1/2“ to 2“ 8, 5 SW

Bolted Bonnet Forged Valves in Pressure Class 800


Bolted Bonnet Cast Valves in Pressure Class 150 to 600


Gate WCB, WC6, WC9 2“ to 12“ 1, 8, 5 FL / BW

Globe WCB, WC6, WC9 2“ to 10“ 1, 8, 5 FL / BW

Check WCB, WC6, WC9 2“ to 12“ 1, 8, 5 FL / BW


Gate,Check 150 Class

WCB, WC6, WC9 14“ to 24“ 1, 8, 5 FL / BW

Gate,Check 300 Class

WCB, WC6, WC9 14“ to 16“ 1, 8, 5 FL / BW

KSB SICCA Valves

Bolted Bonnet Cast Valves Range


KSB SICCA Gate,Globe & Check Valves

Range of Pressure Seal Valves

Pressure Class

Valve Type

Body Material SizesTrim Nos.

Ends

900Gate WCB, WC6, WC9,C12A 2“ to 12“ 5 BW

900Globe WCB, WC6, WC9, C12A 2“ to 10“ 5 BW

900Check WCB, WC6, WC9,C12A 2“ to 12“ 5 BW


1500Globe WCB, WC6, WC9,C12A 2“ to 6“ 5 BW



2500Globe WCB, WC6, WC9,C12A 2“ to 6“ 5 BW


Contact P&A Valves at Coimbatore for all valves with size above 12” and class above 900 for price/delivery


SICCA Gate,Globe & Check Valves

Supplier Profile-Castings

M/S. PEEKAY STEELS - CALICUT 4800 IBR, ISO 9001 / W0 / PED

GENERAL ELECTRIC CO(USA),CCI (USA & KOREA),FLOWSERVE(USA,AUSTRIA & SINGAPORE),DRESSER(FRANCE & JAPAN),CAMERON VALVES(USA),TEREX GmbH GERMANY, HORA (GERMANY)

M/S.KOSO FLUID CONTROL PVT. LTD - COIMBATORE

2400 IBR, ISO 9001-2008,PED, KOSO (JAPAN)

References-worldwide

HORA - GERMANY

DRESSER VALVE (USA,ITALY,FRANCE,JAPAN)MOKWELD VALVES (NETHERLAND),WM.W.MEYER(USA)

M/S. HARIHAR ALLOY CASTING LTD.,-TRICHY 2400

CAMEROON (USA), VALVOSIDER (ITALY, DRESSER VALVE (USA), HORA (GER), TYCO (ITALY)

VALVE WORKS (USA), FRANKLIN VALVES & SUPPLY (USA),HENDERSHOT (USA)

M/S. ARUNA ALLOYS STEELS - MADURAI

Name of FoundryCapacity

p.a in Tonnes

Approval

M/S. VEEYES ALLOYS (P) LTD., - COIMBATORE

M/S. VEEYES FOUNDRY (P) LTD., -COIMBATORE

IBR, ISO 9001, PDIL, EIL, PED

4200

IBR, ISO 9001-2008, W0-TRD-100 NPC, EIL,

LLOYDS,ASTORM,NORSOK,PED,PETROFAC,

2160

IBR, ISO 9001-2008, W0-TRD-100 NPC, EIL,

PDIL, PED,STATOIL,NORSOKIBR, ISO 9001-2008, W0-TRD-100 NPC, EIL,

PDIL, PED,

1200

Foundries in India are supplying to leading valve makers in the world.


SICCA Gate,Globe & Check Valves

Supplier Profile-Forgings & Actuators

Forgings

M.M. FORGINGS, CHENNAI 3000 IBR, ISO 9000, LLOYDSVELAN - CANADA, LEMFORD (GERMANY), MERITAR(NORTH AMERICA,

SINGAPORE & FRANCE)

LGB FORGE - MYSORE 2500 IBR, EIL, NPC, ISO 9000REMI ELECTRICALS INC - MEXICO & BRAZILVALCO ELECTRICAL - FRANCE

UNITY FORGINGS - CHENNAI 3600 IBR, ISO 9001-2008, LISGA AG - GERMANY

Actuators

-

-ROTORK - CHENNAI /BANGALORE ( WATER TIGHT, FLAME PROOF - FOR ON/OFF, INCHING & MODULATING APPLICATIONS IN SYNCHROSET, SYNCHROPAC & IQ RANGE ) - K30, K60, K150, K300, K600, K1000 )

AUMA - BANGALORE ( WATER TIGHT, FLAME PROOF - FOR ON/OFF, INCHING & MODULATING APPLICATIONS IN AUMA NORM, AUMA SEMI-PAC & E-PAC VERSIONS ) - SA3 , SA6, SA12, SA15, SA25, SA30, SA50, SA60, SA100 )

Name of the Forge ShopCapacity p.a in Tonne

Approval References-Worldwide


In order to realize this KSB SICCA® valves are provided with superior features in the following areas:

Stellite 6 Hard facing by PTA process; Stellite Deposit Thickness is 2.1 mm and exceeds Code requirement* of 1.6 mm, suitable Buffering Layer wherever required

Compression Controlled Spiral wound Gaskets for Bolted Bonnet valves. World class Burg Mann or equivalent make Gaskets.

Superior Burnished stem finish -0.2 Ra. Top and Bottom Gland packing braided with inconel wire reinforcement. Permanently elastic behavior. Density of Graphite -1.6 gm/cc and Chloride content less than 50 ppm.


Product features



Pressure Seal Gate Valve

Lock nutfor stroke limitation

Stem nut withthrust bearingenables Retrofittingof Actuators at site

Segmental rings

Gasket – Graphite

Bonnet – Special classas per ASME B 16.34

Double Disc arrangement Self aligningDisc Seats St6 (HF)

Burnished Stem 13 % Cr. Steel (hardened)

Two piece glandself aligning

Graphite pack rings top and bottom rings of

braided Graphite

Seat ring – ST6 (HF)Seal welded to body

Body – Special classto ASME B 16.34

ANSI Pr. Class 900, 1500, 2500Size range 2” - 24”Material: WCB, WCC,WC6,WC9,C12ATrim: 5Design Standard ASME B 16.34,Testing API 598



User Friendly Double Disc in Pressure Seal Gate

Seal welded seatsStem with head for

the back seatto relief the stuffing box

Seat Stellite 6 (St6)

Self aligningdouble disc

Stellite 6 (St6)

Body


Thrust ring

Spacer ring

Gasket – Graphite

Body

Bonnet


Pressure Seal arrangement



Yoke Design Suitable for retrofitting actuators/gears at Site

M ount Actuator w ith non-thrust base. Type `E ’ or `B ’ after removing handwheel.

Yoke head for Retrofitting of Actuator at s ite

Key

Stem nut

Stem

Yoke Head to ISO 5210



The need for Pressure Releiving arrangement in Pressure Seal Gate

Pre

ssure

[ba

r]

Temperature [°C]

Trapped fluid in a closed gate valve

Pressure seal bonnet gate valves, in particular, may be subject to impermissible pressure increase when fluids are trapped in the body (red sections in the drawing).

The trapped fluid may heat up as a result of tem-perature increases in the gate valve or piping, leading to thermal expansion and a rise in pres-sure inside the valve body. The level of pressure increase depends on the temperature and the proportion of water inside the body. This results in: excessive stress on either the valve body, graphite gaskets or seat/disc interface.

Example:- A proportion of water of 80 % inside the body

will lead to a pressure of 100 bar at a temperature of 250°C.

- The same water proportion will lead to a pressure of 450 bar in the valve at a tempera-ture of 275°C regardless of the pressure in the piping.

Water Volume %



Pressure Releif Arrangement-What ASME Says ?ASME B 16.34 Cl 2.3.3 cautions Users of the potential hazard due fluid entrapment in the center cavity of double seated valves.

ASME B 16.34 Cl 2.3.3 – Fluid Thermal Expansion. “….. A certain circumstance in which the center cavity is filled or partially filled with liquid and subjected to an increase in temperature can result in an excessive buildup of pressure in the center cavity that may lead to pressure boundary failure. An example is a piping system in which liquid from the condensing, cleaning, or testing fluids accumulates in the center cavity of a closed valve. Such accumulation may result from leakage past the upstream seat of the valve. If during subsequent start-up, the valve is not relieved of the liquid by partial opening of the valve or by some other method, the retained liquid may be heated during warm-up of the system. Where such a condition is possible, it is the responsibility of the user to provide, or require to provide , means in design, installation, or operation procedure to ensure that the pressure in the valve will not exceed that allowed by this standard for attained temperature.

i.e., upon certain conditions, fluid can get accumulated in the center cavity, which, on subsequent start-up & rise in temp, would increase the PRESSURE at the cavity, very much higher than what is allowed as per standard.

KSB has standardized on a default design in the absence of customer specification by way of a drilled holeon the disc, which relieves the pressure on the upstream side. The Valve becomes Uni-Directional.

However KSB advises the user to select a suitable pressure relieving option.


External Pipe Connecting Bonnet cavity – at “K” side- Valve Unidirectional.


Body Safety Arrangement in Pressure Seal Gate– Options / Implication

HP SIDESEALING SIDE

Execution Ref. : PR-01

Arrow Plate on Body

Safety Pr. Relief pipe connecting upstream Valve is unidirectional.

Installation – Where upstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be the upstream side.

NOTE: PR-01, shall be provided only on specific request. In the absence of any requirement being spelt out, PR-03 will be KSB’s defaultOption.


External Pipe connecting Bonnet cavity – at “B” side- Valve Unidirectional.

HP SIDESEALING SIDE


Arrow Plate on Body

Safety Pr. Relief Pipe connecting downstream Valve is unidirectional.

Installation – Where downstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be Down Stream side.

NOTE: PR-02, provided only on specific request. In the absence of any requirement being spelt out, PR-03 is KSB’s default option.




Internal Pr. Relief Arrangement – Pr.Relief Hole on Disc at “K” side, Valve – Unidirectional.

SEALING SIDE


Arrow Plate on Body

Safety Pr. Relief Hole through DiscValve is unidirectional.

Installation – Where upstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be Up Stream Side.

NOTE: PR-03, shall be provided as a standard feature, in the absence of any requirement being spelt out, PR-03 will be KSB’s default option




Internal Pr. Relief Arrangement – Pr.Relief Hole on Disc at “B” side Valve – Unidirectional.


Arrow Plate on Body

Safety Pr. Relief Hole through Disc Valve is unidirectional.

Installation – Where downstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be Down Stream Side





External Pr. Relief pipe with interconnection Valve – at “K” side- Valve Unidirectional.

SEALING SIDE


Arrow Plate on Body

Safety Pr. Relief pipe with interconnecting valve at Up StreamValve is unidirectional.

Installation – Where upstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be Up Stream Side. For Hydro test with Up Stream Side Seat as pressure boundary, inter-connection valve to be closed.

NOTE: PR-05, shall be provided only on specific request. In the absence of any requirement being spelt out, PR-03 is KSB’s default option





Arrow Plate on Body

Safety Pr. Relief pipe with interconnecting valve at Down Stream. Valve is unidirectional.

Installation – Where downstream side of flow is the High pressure side. In Closed Position, High Pressure side shall be Down Stream Side. For Hydro test with Down Stream Side Seat as pressure boundary, inter-connection valve to be closed.

NOTE: PR-06, provided only on specific request. In the absence of any requirement being spelt out, PR-003 is KSB’s default option

External Pr. Relief pipe with interconnection Valve – at “B” side- Valve Unidirectional.




External PR. Relief Arrangement – Decompression system – Valve Bi-directional.

VALVE A to be kept Open - Always.IF US side is the HP Side, Valve B to be kept fully open & Valve C to be kept closedIF DS side is the HP Side, Valve C to be kept fully open & Valve B to be kept closedFor Preheating / pressure equalization – upstream / downstream, close valve A and keep valve B & C open


Safety Pr. Relief system with three valves. One each at both ends and one connected to bonnet cavity.

Valve is Bi-directional.

Installation & Function – Valve Bi-directional, no constraint on installation.

NOTE: PR-07, provided only on specific request. In the absence of any requirement being spelt out, PR-003 is KSB’s default option

Down Stream side-DS

Up Stream side-US




Valve will be supplied with welded stub.

Safety valve to be welded on the STUB at appropriate position / orientation, at SITE

External PR. Relief Arrangement with a Stub pipe at bonnet cavity for Mounting Safety valve


Stub pipe welded to the bonnet cavity which is suitable for mounting safety relief valve

Valve is Bi-directional.

Installation & Function – Valve Bi-directional with safety valve installed.






Body Safety Arrangement in Pressure Seal Gate– Summary of Options

Execution Reference Type of Pr.Relief Direction of Pr.ReliefPR-001 External Pipe connection to Bonnet

cavityUpstream side - Valve Unidirectional

PR-002 External Pipe connection to Bonnet cavity

Downstream side - Valve Unidirectional

PR-003 Hole in the Disc Upstream side - Valve Unidirectional

PR-004 Hole in the Disc Downstream side - Valve Unidirectional

PR-005 External Pipe with valve connected to the Bonnet cavity

Upstream side - Valve Unidirectional

PR-006 External Pipe with valve connected to the Bonnet cavity

Downstream side - Valve Unidirectional

PR-007 Decompression system with 3 valves Upstream / Downstream- Valve Bi-directional

PR-008 Pr.Relief Stub on Bonnet cavity (for fitting Pr.Relef valve.)

Upstream / Downstream- Valve Bi-directional


TYPICAL INSTALLATION AT SITE CORRECT INSTALLATION

Valves connected to a common Header in main Steam line


Body Safety Arrangement in Pressure Seal Gate–How to Choose ?


TYPICAL INSTALLATION AT SITE CORRECT INSTALLATION

Valves inter-connecting two Steam header lines

VAVLE (3) – MUST BE BIDIRECTIONAL, other shall be




TYPICAL INSTALLATION AT SITE

Valves Inter-connecting BFP to Feed control Station / Thru heater

Correct installation see next page >>




CORRECT INSTALLATION

Valves inter-connecting BFP to Feed control Station / Thru Heater





Certifications

New Initative is on to obtain OHSAS 18001 Certificate by December 2011

ISO 9001:2008

ISO 14001:2004

“CE” Certification

KSB Valve-Pr. Relief Arrangement Pres-201210

Documents

Transcript of KSB Valve-Pr. Relief Arrangement Pres-201210