Latest tungsten filament scrap Tenders | Government tungsten filament scrap Tenders

CTN :44203573

09 Mar, 2026 NA

Tawang - Arunachal Pradesh

Tender For bid to ras tender for supply of plywood 4 feetx 8 feet x 6 mm termite resistant and bwr confirming , pvc tape 25 mm wide 5 m long , plywood 4 feetx 8 feet x 12 mm termite resistant and bwr confirming to , plywood 6 feetx 4 feet x 8 mm termite resistant and bwr confirming to , portable collasible protective wall baskets , galvanised welded mesh frame , led tube light fitting 15 w box type 4 feets with crca body pre coated white and prewired for led tube , peg set of six fitted with galvanised screws along the internal surface of the walls in the room , pvc connection 45 cm long 15 mm , mattress 6 feet x 3.5 feet , pvc switch board snow white size 8 inchx 10 inch for sockets and switches , pvc switch board snow white size 7 inchx 4 inch for sockets and switches , mcb single pole 6 to 32 amps capacity b series confirming to is 8828 of 1996 , ms bar 8mm , 20 feet long , ceromic tiles of size 600 mmx 600mm for floor thickness between 9 to 10 mm thick , change over switch 100 amps , 4 pole tpn confirming , plywood 4 feetx 8 feet x 19 mm termite resistant and bwr confirming to is 1328-1996 make - supreme , assam , green ply , kit ply , , adhesive , door hinges 75 mm make isi marked , door handle for drawer , nails 1.5 inch isi marked , nails 2.5 inch isi markde , black screw full thread 1 inch 0.5 inch isi marked , black screw full thread 2 inch isi marked , steel screw size 3 inch full thread with rawl plug isi marked 100 nos per pkt , ppr socket 25 mm dia , ppr elbow 90 degree 25 mm dia , ppgi roofing sheet 10 feetx 3 feet long and thickness 0.63 mm with guard film the ppgi sheet have minimum coating of 4-5 micron epoxy , ppgi roofing sheet 18.3 feetx 3 feet long and thickness 0.63 mm with guard film the ppgi sheet have minimum coating of 4-5 micron epoxy , led bulb 10 w , plywood 6 feetx 3 feet x 12 mm termite resistant and bwr confirming to is 1328-1996 , stop cock angular type chromium plated brass 15 mm weight not less than confirming to , iwc of vitreous china aquatting pan orissa pattern of size 580mmx 440mm dark coloured with p or s trap , pvc casing capping of size 1 inch medium grade snow white , aac blocks of size 24 inch x 8 inch x 4 inch thickness , acrylic sheet 8 feetx 4 feetx 3 mm , glass putty confirming to i , 80 mm thick coloured interlocking precast paver block any shape , cosrse sand free from vegetation , bed switch 5 amp m , water storage tank triple layer 1000 ltrs confirming to is 12701-1996 make - sintex , ultapure , aqua , polywell , ppgi roofing sheet 16 feetx 3 feet long and thickness 0.63 mm with guard film the ppgi sheet have minimum coating of 4-5 micron epoxy , hand gloves leather best quality isi markde , wall mounted fan 230 v 300mm , self driving 2.5 inch screw for ppgi sheet 100 nos pkt , pvc pipe 110 mm dia each 3 mtr length , self driving 1.5 inch screw for ppgi sheet 100 nos pkt , wash hand basin 580mx 450 mm with assy and with pedestal confirming to is 2556-2004 , urinal pot , fire extinguisher of one kilogram capacity dry powder type confirming to is 13849 along with its accessories , non skid ceramic tiles of size 300mmx 300 mm on the floor minimum thickness shall be between 6 to 8 mm tiles , chequered ceramic tiles of size 600mmx300mm on the floor minimum thickness shall be between 6 to 8 mm tiles , wooden scantling 3 inchx 2 inchx 16 feet long , cgi sheet 6 feetx 3 feetx 0.63mm , cgi sheet 8 feetx 3 feetx 0.63mm , m seal 1 kg , painting brush 4 inch isi marked , painting roller 4 inch isi marked , paint plastic for external uses , chroomium plated piller cock swan neck arerator and butter fly handle weight not less than 450 gm , stop cock t type chromium plated brass 15 mm weight not less than 330 gm , bib cock long spout brass chromium plated 15 mm weight not less than 330 gm , ppr female thread 90 degree tee 25 mm dia , m seal 150 gm pkt , taflon tape roll isi marked , pvc waste pipe 32 mm and 1 m long , pvc socket 110 mm dia , pvc bend 110 mm dia , s trap vitreous china , p trap vitreo

Central Government/Public Sector

CTN :43991246

12 Mar, 2026 14.92 Lacs

Bardhaman - West Bengal

Tender For corrigendum : supply of nicrmo-3 mig wire , stellite 6 mig wire , hifin liquid , polishing grade diamond paste quarter mic , polishing grade diamond paste 1 mic , polishing grade diamond paste 3 mic , emery paper grade 180 , emery paper grade 220 , emery paper grade 320 , emery paper grade 400 , emery paper grade 600 , emery paper grade 800 , emery paper grade 1000 , emery paper grade 1200 , emery paper grade 1500 , emery paper grade 2000 , emery paper grade 2500 , lab solvent 500ml , polishing grade alumina suspension grade 1 or 2 or 3 to 500ml , diamond paste , emery paper , ethanol , vacuum desiccator o. d x l. d. 171mmx149mm , silica gel , alumina , hifin liquid , 6351 aluminium alloy , pure aluminium , silicon metal , 99. 7 percent recrystalized alumina tube max od 59-60 mm , agate mortar and pestle a grade id 4inch , 99. 7 percentalumina cylindrical crucible capacity 10ml , 99. 7 percent alumina cylindrical crucible capacity 20ml , 99. 7 percent alumina cylindrical crucible capacity 50ml , alumina disc dia. 80mm thick 4-5mm , zro2 disc dia. 80mm , thick 4-5mm , vice for metacut dcm , carbon-dioxide regulator , carbon-dioxide flowmeter , argon regulator , carbon-dioxide cylinder , carbon-dioxide gas , beaker borosil - 5ml , beaker borosil - 10ml , beaker borosil- 25ml , beaker borosil - 50ml , beaker borosil 100ml , beaker borosil - 500ml , spatula-200-himedia 10 pcs , graphite felt electrode-sigma , toluene empluramerck 500ml , acetone empl- merck,500ml , diluent for dna extraction, hi 500ml , molybdenum iv sulfide-sigma aldrich 100 grams , titanium powder 325 mesh -alfa aesar 100grams , graphene nano platelets - alfa aesar 25 grams , tantalum powder - 100 mesh alfa aesar 25 grams , yttrium oxide micropowder , low concentration diamond impregnated wafering blades , crucible tong 18 inches , desiccator vacuum pp by pc 200mm plastic , beaker ) /bid number: gem/2026/b/7232013 * /dated: 12-02-2026 & & / bid document1 / 84 & & ' ' /item category500ml- borosilicate glass , 13 pcs stainless steel lab spatula set , extra-large microwave kiln for microwave heating , silicon carbide crucible, crucible for melting metal , high temperature alumina tube o. d. 90mm, i. d. 100mm, length 350mm , high precision wenser digital balance220g by 0. 001g , thermoplastic elastomers isi approved half face reusable mask , high temperature safety helmet with dark flip lens, folding black glass , heat resistant gloves for high temp. up to 750 degree f , alumina foil high temperature apron, 1000 degree heat resistant with thermal insulation , argon cylinder 7cum with argon gas normal 7cum with argon regulator and flowmeter , 99. 5 percent alumina cylindrical crucible- 50ml od 41mm , quartz low form crucibles 50ml , quartz low form crucibles 25ml , agate mortar and pestle id 63mm , mortar and pestle steel , brass sieve set 20mm to 1mm with pan and lid , argon gas cylinder flow meter , argon gas cylinder regulator , diamond paste , agate mortor and pestle ceramic 65mm , hci , pyrogallol solution , argon gas cylinder with gas , vacuum desiccator o. d. x i. d. 171mm x 149mm , agate mortar and pestle ceramic 63mm , calcium chloride , ethanol bottle 2500ml , toluene bottle 20l , alumina bottle 1l , nitrile gloves , spatula set , vacuum pump , hand vacuum cleaner , zirconium chunks or wire , niobium chunks or wire , zirconium powder chempure 100gm , titanium powder loba chemie 100gm , niobium powder alfa aesar 50gm , aluminium powder alfa aesar 1kg , copper powder loba chemie 500gm , nickel powder loba chemie 500gm , hydroxyapatite powder 100gm , hightemperature gloves , heat-resistant face shield and safety goggles, high temp. blue glass helmet , apron , safety goggles, dark , safety goggles, transparent made by 3m company , steel-toed boots , respirator mask , leather hand gloves , chemical hand gloves , nose musk , ear plug , safety helmet , safety helmet with face shield nicrmo-3 mig wire, stellite 6 mig wire, hifin liquid, polishing gr

CTN :44317279

25 Mar, 2026 NA

Hyderabad-T - Telangana

Tender For supply of jaguar qqt chr 7011 pillar cock tap spindles , hose pipes pvc half tap connection pipes 2 feets , jaguar health faucet aid chr 573 new set , jaguar health faucet aid chr 573 connection pipes 1 meter , ald chr 727 click clack waste 32mm size full thread and bottle trap full set , zps wht ua05 waste plug ceramic 0704 , jaguar qqt chr 7273 upr wall mixer tap spindles , 4 inch pvc sink white waste couplings with fabt mabt 32mm , jaguar toilet seat cover nut kit , heavy stainless steel connection pipes for water heater geyser , jaguar original inlet valve concealed cistern tank 3 by 8 thread size white , pvc concealed cistern syphon jaguar bathroom fitting modal zmp chr 151 , s. s extension nipples 1 inch , s. s extension nipples 2 inch , s. s hydraulic hex nipple adaptor union jointer halfxhalf inch two side threaded , jaguar wall mounted center lever brass body with adjustable wall flange , s. s adjustable clamps half inch , s. s adjustable clamps 1 inch , hoze nipple 1 inch inch thread 3 by 4 inch groove , 1 inchx half inch reducer hex nipple two side mta threading , 3 inch fta threading cast iron end cap , jaquar control flush plate alive ) /bid number: gem/2026/b/7291782 * /dated: 04-03-2026 & & / bid document1 / 23

CTN :44280380

11 Mar, 2026 NA

Meerut - Uttar Pradesh

Tender For supply of exp items e e - ceramic 1200 ar , rustu shock spray , gasket synthetic rubber for plug , rod welding steel mild 3mm , rod welding steel mild 5mm , rod welding steel mild 6mm , quick fix , electric horn 24 v , electric fan 24 v , body filter , web thick og , thinner antichill , m seal , washer fiber , spring washer , washer spring single coil type , pin cotter split steel 6 mm , pin cotter split steel 4 mm , pin cotter split steel 3 mm , compresed gas oxygen industrial , gas acetylene , bolt bsw , paint remover non inflamble

CTN :44254717

09 Mar, 2026 11.62 Lacs

Sonitpur - Assam

Tender For supply of ceramic ( vitreous china ) flushing cisterns for water closets and urinals conforming to is 774 (q3) , towel rail (q3) , ss sink 1mm thick with drainage board of size 37inchx 18inch x1mm thick , pvc water tank cover various size 500 or1000 ltr with locking system , float valve pvc 20 mm with rod ball and cock , ms helical door spring 200mm , pvc bath room mirror cabinet rectangular , float valve pvc 15 mm with rod ball and cock , aluminium tower bolt 100 mm , ms door handle100mm , pvc internal kit for lever type 10 l flushing cistern , aluminium tower bolt 150 mm , mstower bolt 150mm long , sider and bracket 25mm for curtain rod , aluminum door stopper with rubber shoe , socket gi 20mm , gi tee reducer 20x15 mm , gi socket reducer 20x15mm , elbow gi 15mm , aluminum hasps and staples 100mm , aluminium tower bolt 300 mm , gi elbow 20mm , aluminum door handle 100m , grating pvc 125mm floor drain traps with hole , waste pipe pvc of size for whb 32 x 800 750mm , ms sliding door bolt 250mm , wooden screw 30mm slotted raised countersunk , mstower bolt 200mm long , door handle 125mm , wooden screw 25mm countersunk head , wooden screw 35mm slotted raised countersunk head , teflon tape 12 mm x 10 m , pvc collapsable waste pipe 40mm , stainless steel screw full thread 20mm , gi socket 15mm , gi plug 20mm , union socket gi 15 mm , pvc gitti size 35by40mm , aluminium door handle 75mm , flush handle , cp connection pipe 24 inch , cp hasps staples 150mm , s s tower bolt 100mm , gi nipple 15mm x 100mm long , pvc gitti size 25mm , pvc drain pipe 40 mm , grating pvc 150 mm , gi nipple 20mm x 75mm , gi plug 15mm , gi nipple 15mm x 75mm long , aluminium sheet 24 gauge wide 1200mm , ms clamp for 20mm pipe , tee equal gi 20 mm , gi nipple 20mm x 50mm , wooden screw 15mm , socket reducer 25x20mm steel pipes fitting , gi nipple 15mm x 150mm long hfs , bitumen self adehsive flashing tape 100mm wide 1dot2mm thick , gi nipple 15mm x 50mm long , nail 25mm countershunk head wire nail , buma nail 20mm for jali fixing , nail 100mm countershunk head wire nail , nail 75mm countershunk head wire nail , nail 40mm countershunk head wire nail , nail 50mm countershunk head wire nail , nail 65mm countershunk head wire nail , pvc flush tank rubber washer , ms hasps and staples 100mm as per is 363 , pvc butt hinge 75mm long //bid details2 / 57

CTN :44156187

09 Mar, 2026 10.24 Lacs

Vadodara - Gujarat

Tender For supply of microcontroller arduino unor3 , arduino nano , arduino mega , raspberry pi 4 , raspberry pi 3b - 1gb , raspberry pi 0 zero with wifi , beaglebine black rev c with 4gb memory card , nodemcu esp8266 v3 lua ch340 wifi development board , esp32 espresif , stm nucleo development board , 16x2 lcd display , usb cables , water pump module , pizzoelectric plate , 8x8 led matrix module , bluetooth module for arduino , 7 segment led display , gsm , gps , laser transmitter and receiver for arduino , ldr , ldr module , keypad universal 16 key switch , joy stick , active buzzer 3v, 5v, 12v , passive buzzer 3v, 5v, 12v , servo motor driver , sound playback module for arduino , bo motors with wheel with gears , vibrating motor - 12v , aligator connectors , battery clips with dc jack , jumper cable m-m, m-f, f- f , hookup wires , banana plug m-m, m-f, f-f , rgb leds , leds red , leds green , leds blue , push button switch , 555 timer ic , atmega328 , capacitive touch switch , ir sensors obstacle sensors , triple axis magnetometer , humidity sensor dht-11, dht-22 , mq-2 , mq-3 , mq-4 , mq-5 , mq-6 , mq-7 , mq-8 , mq-135 , ir transmitter receiver -tsop 1738 , ultrasonic sensor module hc-sr-04 , triple axis accelerometer , pir motion detector module , pulse rate heart sensor , relay module 12v-spdt and dpdt , soil moisture sensor , touch sensor , metal touch sensor module , rain drop sensor , flex sensor , temperature sensor - analog , temperature sensor - digital tmp04ft9 , force pressure sensor , colour recognition sensor , water flow sensor , sound sensor with its module , ir sensor array for line following , 10000 mh 5 volt power bank , rfid reader-tags , rf modules tx and rx 315 mhz ask , stepper motor with driver board , stepper motor , dc motor , position servo, , small servo , continuous metal , small servo plastic gear , drone kit , finger print sensor with module , adaptor type 1 , adaptor type 2 , adaptor type 3 , adaptor type 4 , adaptor type 5 , adaptor type 6 , volatage regulartor ic type 1 , volatage regulartor ic type 2 , volatage regulartor ic type 3 , volatage regulartor ic type 4 , volatage regulartor ic type 5 , volatage regulartor ic type 6 , ceramic capacitors pf , electrolytic capacitors 0. 47 microfarad,1 microfarad, 5 microfarad,10 microfarad, 47 microfarad,220 microfarad, 5 microfarad,67 microfarad, 2200 microfarad,4000 microfarad , idicators - leds , copper clad board , op-amp general purpose , instrumental amplifier , cmos switch , pcb micro drill , current sensors for ardiuno , current sensors for dso , voltage sensors for dso , voltage sensors , isolator transformer , compatible usb cable , micro sd card , waveform generator , inductor , passive buzzer , ultrasonic range finder , cylindrical crystal oscillator , reflective ir sensor photoelectric switch , touch key module , the knock sensor module , barometric pressure and altitude sensor i2c or spi module , vibration sensor module alarm motion sensor module vibration switch , analog temperature sensor module , active electromagnetic buzzer //bid details2 / 89

State Government

CTN :44170765

09 Mar, 2026 NA

Mumbai - Maharashtra

Tender For annual rate contract for the supply of electrical materials insulation tape (red, yellow, blue, black, green) , pvc acrylic plate. size 6 x 15 inches and thickness 3 mm , main switch dp 32 amp, surface type , capacitor (condenser) 1.5 uf, mfd (440 v& 230 v) , capacitor (condenser) 2.5 uf, mfd (440 v& 230 v) , multi plug 5 amp , 20 watt led tube, 6500k, t8 , 15 amp switch with indicator , 7 watt, 6000k, thread type white led bulb , 10 amp single pole mcb , 16 amp single pole mcb , 16 amp double pole mcb , 32 amp double pole mcb , 40 amp double pole mcb , 16 amp three pole mcb , 32 amp three pole mcb , 40 amp three pole mcb , 63 amp three pole mcb , 40 amp four pole mcb , 63 amp four pole mcb , 25 amp, 100 ma, two pole elcb , 25 amp, 300 ma, two pole elcb , bell push switch 6amp with indicator (slim type white) , bell push switch 6amp with indicator (mega type white) , dome fitting-6" dia pvc clear for 2" pipe size , dome fitting-10" dia pvc clear for 2" pipe size , blank plate single switch type , 1.5 sq.mm. 3 core copper flexible cable , 2.5 sq.mm. 3 core copper flexible cable , 1.5 sq.mm. copper flexible wire (red,yellow,blue,black,green) , 2.5 sq.mm. copper flexible wire (red,yellow,blue,black,green) , 2.5 sq.mm. 4 core copper flexible cable , 2.5 sq.mm. 4 core copper armoured cable , pendant holder , tube light holder (general type or simple) , multi plug 15 amp , spike guard 5 amp, 4 sockets & 1 switch , ceramic batten pin type holder , 23 watt pendent - thread type holder , neon indicator-red , 25 amp single pole mcb , 150 watt ceramic holder thread type holder , holder for 500 watt halogen , holder for 70 watt halogen (push type-ceramic) , junction box 4 pole pvc , 32 amp dp main switch operating with key tag , 3 watt led fitting with driver , roma 6 amp one way slim switch (21011) , roma 6 amp two way slim switch (21022) , roma 16 amp one way slim switch (21066) , anchor 5 amp one way switch penta , anchor 15 amp one way switch ultra black (39991) , anchor 5 amp socket , anchor 15 amp socket (38524) , legrand 25 amp elcb , legrand 40 amp elcb , legrand 5 amp switch , legrand 15 amp switch , legrand 5 amp socket , legrand 15 amp socket , legrand fan regulator (socket type) , fan step regulator tiny, 100 w, 240 v , fan dimmer regulator single tiny 450 watt , 2 fit 11 watt led fitting , roma 6 amp socket (30373) , roma 16 amp socket (30828) , fan regulator-two way type (socket type) , tube light starter , 3 pin top 6 amp , 3 pin top 16 amp , line tester 813 yellow , 18 watt tube light blue in colour for mosquito cage , 70 watt tube rod of floodlight fitting , 150 watt tube rod of floodlight fitting , wall dome fitting size :- 4 x 6 (as per sample) , 5/15 amp universal combine socket , hammer drill bit (concrete) 3/16 , drill bit (wood) 3/16 , drill bit (wood) 1/8 , 18 watt, 6000k, round led fitting (surface type) white , 12 watt, 6000k, round led fitting (surface type) white , 20 watt, 4 ft, 6000k, led batten , 7 watt, 3000k, hpf, led bulb, pin type white , 5 watt, 6000k, slim led batten white , 12 watt, 6000k, full screen surface led panel-round white , 12 watt, 6000k, full screen surface led panel-square white , 10 watt, 6000k, white led back lit panel-recess (round) , 10 watt, 6000k, white led back lit panel-recess (square) , 18 watt, 6000k, white full screen surface led panel (round) , 18 watt, flush mount type (concealed) full screen led panel (round) white colour , 1 way deko plate , 2 way deko plate , 3 way deko plate , 6 way deko plate , 8 way deko plate , 4 way deko plate , hydraulic oil 32 , 7 watt, 6500k, white colour concealed led fitting-square , 12 watt, 6500k, white colour concealed led fitting - square , refrigerant bulb with holder (as per sample) , 23 watt circular led light fitting, concealed, white color, 1600 lumens, cct 6500k, size-185mm diameter , 36/40 watt square led light fitting, white color, 3000 lumens, cct-6500k, size- 595*80*595mm (2*2 ft.) , pvc exhaust fan 4" , pvc exhaust fan 8

CTN :43869333

16 Mar, 2026 NA

Mumbai - Maharashtra

Tender For corrigendum : tender for supply of 24brsc002 spares of various types of ro plant c c -servo motor control valve 230v 3 8 , servo motor control valve , 670 mm long hose , 930 mm long hose , 450 mm long hose , 325 mm long hose , 250 mm long hose , 1250 mm long hose , 825 mm long hose , 1000 mm long hose , 900 mm long hose , 1650 mm long hose , solenoid valve 82 , solenoid valve actuator , solenoid valve 3 2 way , level switch ls 01 & ls 02 1 each , flow switch , electric spare kit for ro 200 , processor control , pressure transmitter , pressure transmitter , pressure relief valve , pulsation damper 2 lts , e spare kit ro 30 tpd , potentionmeter , circuit breakers 16 25 a , control transformer , motor 11 kw , pressure gauge 0 10 , sensor cable with electrode , compressed air regulator , seal ring charging , mcb 2a , programmable logic controller version 2 , casing , taper bush for hp pump motor , taper bush pump , taper bush 1610 bore 42 mm , prefilter pumpmotor set of ball bearing , bearing hp motor , 6 mm bolts for filter pump , prefilter filter pump shaft seal , nut , stay bolt for pump 202600 , sleeve gasket , chamber bottom , split pin , spare kit d32 abs , repair kit for pre filter pp , 2 way ball valve set , 2 way ball valve set of 2 , 3 way ball valve , globe valve sampling cock pvc 1 4 bsp f , ss service kit , ss service kit for ro 510 5s 10s , pulley for pump , crt prefilter filter pump motor bearing nde , ro 200 2tpd & 4tpd prefilter filter pump motor bearing de & , seal kit for hp pump , seal kit for hp pump , valve kit for hp pump , oil seal , anode plug , hp pump valve kit , hp pump seal kit , valve plug 70 kg , cylinder screw , oil dipstick , hp pump anode plugs , seal kit , dolomite , s s jubilee clips 1x 30 mm to 40 mm , ss jubilee clips 2x 45 mm to 60 mm , belt spanner , filter element , o ring hp connection , dt module , pl4 pipe , permeate male elbow , pvc elbow 1 4 xpl4 , pvc tee pu 4 , connector straight , smcv valve spindle unit , leve switch , hp hose raw water brine 2500l , pressure switch , impeller , dolomite , h p pump crankcase oil , hp hose to pt 60 , allen key set , pressure ring p30 43 130 , ceramic plunger , oil filter cap , wick , valve set , oil seal crankshaft , plunger rod , hp pump inlet manifold , anode plug zinc anode , permeate male elbow , male adaptor , hp pump discharge manifold , valve plug 70 kg , straight connector 3 8 , elbow pvc push in fitt , media for sand filter grade i , cartridge filter housing 20 , support gravel 2 0 3 0 mm , support gravel 1 5 3 0 mm , nitrogen gas cylinder , h p pump c case oil , handle , pu9 hose , flexible tube pu8 , dt module 4 tpd ekm subs , lip seal dt module , o ring hp connection , high pressure hose module outlet , high pressure hose to pt 60 , high pressure hose module outlet , hp flexible hose , lp hose for air line , h p hose feed inlet brine outlet , brine r w hp flexible hose xl , high pressure hose module outlet , rubber hose from c f outlet to hp pump inlet 20 30 tpd , lp hose for prefilter pump , hose 20mm with threaded end connections , lp hose brine & permeate , a v mount for hp pump trolly , high pressure pump driving belt set 5 nos , coupler for victaulic coupling 1 , hp pump driving belt set , h p pump driving belt set of 2 , abs service kit , elbow connector 3 8 , straight connector 3 8 , connection high pressure , pipe pl4

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