Relief Valve
Todays deals on Relief Valve?
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KUNKLE 252KPM22-AS 6″ SAFETY RELIEF VALVE SIZE 4 NNB!!! $2,200.00 |
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KUNKLE 6252FMK01-AS 4″ SAFETY RELIEF VALVE SIZE 3 NNB!! $1,600.00 |
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KUNKLE 252FMK22-LS 4″ SAFETY RELIEF VALVE SIZE 3 NNB!! $1,600.00 |
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KUNKLE 252FMK22-AS 4″ SAFETY RELIEF VALVE SIZE 3 NNB!! $1,600.00 |
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Vickers 1A506-0083 Hydraulic Servo Directional Control Relief Valve $1,000.00 |
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Denison Hydraulics Pressure Relief Valve VV01 311 G D1 004B 026 47192 0 0054902 $1,000.00 |
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Rexroth Bosch Pressure Relief Valve 00423720 $1,000.00 |
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REXROTH 5610105010 PNEUMATIC PRESSURE RELIEF VALVE WITH MOUNT 2 2693 $795.00 |
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RV11R-001 Valve, Safety Relief “CIRCOR” $735.00 |
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PROTEGO DV/ZT-40 PRESSURE RELIEF VALVE 1-1/2″ NNB!! $675.00 |
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PALL RELIEF VALVE PART # ACA019-45D37 NSN: 1650-01-038-4513 $700.00 |
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FISHER CONTROLS 98H-31 RELIEF VALVE 98H PRESSURE REGULATOR 1″ RANGE 130-200 NEW $699.99 |
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New Kunkle KVCO Model 6252 Safety Relief Valve 2″ 6252AKH01-AS $639.99 |
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VICKERS SOLENOID CONTROLLED RELIEF VALVE CS5061AFMFWB51 $615.00 |
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NEW IN BOX BOSCH FLUID POWER FE1-SBAD-C02A MODULAR RELIEF VALVE $514.99 |
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NIB CROSBY RELIEF VALVE 3/4″ X 1″ JMAK-SPL 15 GPM 1500 $429.00 |
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VICKERS CT5060ACMFWB6110 RELIEF VALVE *USED* $500.00 |
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New Vickers Solenoid Controlled Balanced Piston Relief Valve CT5060AFMFWB5100 $479.99 |
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New Vickers Solenoid Controlled Balanced Piston Relief Valve CT5060ACMFWB5100 $479.99 |
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Bell Gossett 110086 Relief Valve 4100-50 2″ X 2″ H60 Hot Water Boiler 50PSI ASME $401.00 |
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DANCO SAFETY RELIEF VALVE 1/2 NSN# 4820011271592 $389.66 |
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UCHIDA REXROTH RELIEF VALVE DBW20A1-41/350/6AW 100NPL $399.99 |
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NEW VICKERS DGMC3PTCW30 PRESSURE RELIEF VALVE $350.00 |
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DOUBLE A BQP-10-1M-H1-10A3 PRESSURE RELIEF VALVE $325.00 |
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Control Case Relief Valve $300.00 |
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RM2PT25SN 40 PARKER PRESSURE RELIEF VALVE NEW $300.00 |
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REXROTH R900563182 DR10-5-52/315Y/12 RELIEF VALVE NEW $299.99 |
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SPERRY VICKERS RELIEF VALVE CT06F40 $250.00 |
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ATLAS COPCO 3214 7669 81 FLOW CONTROL REGULATOR PRESSURE RELIEF VALVE NEW $299.99 |
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Aloyco 150 1 1/2″ Relief Valve 1888 MO Stainless Steel $295.00 |
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Rexroth Hydraulic Electric Relief Valve DB20B2 104c-ak $289.95 |
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VOGEL MODEL SP16-V1 PRESSURE RELIEF VALVE NEW $275.00 |
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NEW CROSBY RELIEF VALVE L-SC CF8M 316 SS 3/4″ X 1″ THD $249.00 |
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4 CIRCLE SEAL 3/8″ 5133B-3MP-125 5133T-3MP-125 5133T-3MP PRESSURE RELIEF VALVE $250.00 |
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FISHER 98HHD HIGH-PRESSURE BACK PRESSURE & RELIEF VALVE 1″ 300 FLANGED 145A3 $259.99 |
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@R7 Barksdale Control Relief Tank Clyinder Pressure flow moniter Valve Pressure $225.95 |
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1 NEW VICKERS DGMDC-5-Y-BK-30J PRESSURE RELIEF VALVE Q2-3 $229.99 |
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PLAST-O-MATIC RVT150EP-CP PRESSURE RELIEF VALVE 1-1/2″ 5-35PSI NEW NO BOX $225.00 |
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Fisher 98H-33 Relief Valve or Backpressure Regulator $232.49 |
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NOS! KUNKLE 3/4″ RELIEF VALVE 6010ED01-AM0015 6010ED01AM0015 6010ED01-AM $219.95 |
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Vickers Dual Pressure Relief Valve DGMC23ABCWBACW41 (6246) $215.00 |
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New Parker 621B-4-3/4-2 Pressure Control Relief Valve Direct Operatio 3/4″ size $220.00 |
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Conbraco 2″ inch Pressure Relief Valve 135 psig $199.00 |
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New Kunkle 1 1/2″ 20-G Non-code Bronze Liquid Relief Valve Model 0020-G01-MG0100 $212.49 |
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DOUBLE A PRODUCTS QUA2160ITSP USED PRESSURE RELIEF VALVE QUA2160ITSP $200.00 |
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3/4″ Kunkle Pressure Relief Valve Factory set at 175PSI Model 20 $194.00 |
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FULFLO ADJUSTABLE RELIEF VALVE 1 1/2″ # SVJ—7034 XCT $185.00 |
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NEW MERCER 81-43251T25G21 8100 SERIES PRESSURE RELIEF VALVE 2″ 1200 PSI $199.99 |
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SPENCE PRESSURE RELIEF VALVE 41A 41AGGA 1 1/2 NPT SET PRES 100 MATL BRONZE NEW $185.00 |
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Fisher Controls Regulator 289L-22 10-18 WC 1″ FNPT Relief Valve (5245) $179.00 |
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NEW PARKER 4M4F-RL4A-VT-SS-KC STAINLESS STEEL ADJUSTABLE RELIEF VALVE 1/4″ $184.99 |
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CROSBY 1-1/4 BRASS FIG. 41 SAFETY RELIEF VALVE 1-1/4″ IN & 1-1/2″ OUT NEW $180.00 |
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USED FLUID MECHANICS SAFETY RELIEF VALVE 3/4″ X 1″ 42502-3010S MODEL 4200 $169.00 |
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REXROTH R900463364 HYDRAULIC VALVE CHECK PRESSURE RELIEF SV10 PA1-4XV BOSCH NEW $179.99 |
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Pressure Relief Valve LMI Milton Roy 35852 **NEW** $159.00 |
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New Hydroseal Ball Seat Safety Relief Valves Model 2CXV30F/C0 $169.99 |
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NEW FULFLO 2″ PRESSURE RELIEF VALVE VJ8RV HS XS130 VK23 $149.99 |
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PLAST-O-MATIC RVT125V-PV 1-1/4″ PVC RELIEF VALVE 5-15 PSI VITON SEALS NEW $168.00 |
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Sun Hydraulics CBIH LJV Pressure Relief Valve $159.00 |
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NEW KUNKLE 3/4″ 6010 EDMOEDM01-NM PRESSURE RELIEF VALVE $149.99 |
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NEW Kunkle 6010HHM01-AM Safety Pressure Relief Valve 2″x2″ 6010 Series 20# Steam $163.99 |
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ITT FLUID 3/4 INCH PRESSURE RELIEF VALVE GEN PUMP REGULATOR VALVE ASCO COIL $149.99 |
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NEW PRESSURE RELIEF VALVE 8335225 $149.99 |
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NORTHMAN FLUID POWER PILOT OPERATED RELIEF VALVE P/N RF-T10-3-30-N $149.99 |
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NEW TAYLOR 82D8041311 PRESSURE RELIEF VALVE MODEL 82 1″ FNPT NIB $149.99 |
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NIB WATTS 1″ 40XL 7 T & P Relief Valve for Hot Water Supply System 0163765 $150.00 |
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SUPERIOR VALVE CO. 3060A/3060 450 PSI RELIEF VALVE ***NIB*** $149.00 |
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Leak Test & Relief Valve 0-15 PSI, 19″ Long, P/N 1950329 New $157.50 |
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VICKERS CGR02FK30 RELIEF VALVE ***XLNT*** $144.00 |
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*NEW* WATTS 740 RELIEF VALVE 1-1/4″ X 1-1/2″ 30 PSI 0383020 WITH THE BOX $135.99 |
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FULFLO 1-1/4″ PRESSURE RELIEF VALVE SVF6065R HS XS YC19 $138.99 |
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FISHER 1805 Series Relief Valves 2″ $149.99 $149.99 |
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SPERRY/VICKERS CT06B50/CT-06-B-50 RELIEF VALVE ***NNB*** $134.00 |
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Spencer Relief Valve PV5 – Vacuum and Pressure P/N 1015 $129.99 |
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NIB WATTS SAFETY RELIEF VALVE F41A FIG 31 1″ THREADED $129.00 |
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MERCER 91-06D51V07E1 RELIEF VALVE 1/2″ NEW $139.99 |
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NEW M.B.CO MB SAFETY RELIEF VALVE VAL-59 500 PSIG STEEL $119.00 |
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MERCER 9112D621919AIL RELIEF VALVE MODEL 20T ***NNB*** $124.00 |
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NEW FULFLO VS6R SS ZS YK24 1-1/4″PRESSURE RELIEF VALVE $124.99 |
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Vickers CT 06 B 50 Relief Valve $119.95 |
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FISHER RELIEF VALVE or VACUUM REGULATOR Y612 $110.00 |
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KUNKLE ADMIRAL 171 D01 MC 3/4″ PRESSURE RELIEF VALVE $124.99 |
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RACINE N1372 G RELIEF VALVE 82 PSI 8 BAR MAX NNB $125.00 |
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RACINE DANA 1372 GF RELIEF VALVE 85 PSI 2 GPM NNB $125.00 |
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Taylor SW1 Relief Valve T-8200-1 Range 101-225 PN/82E4351311 1 inch male/female $119.99 |
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SPERRY/VICKERS CT06B50/CT-06-B-50 RELIEF VALVE ***XLNT*** $119.00 |
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DRESSER INDUSTRIAL PRESSURE RELIEF VALVE 3999-1-CC-1/2″ $119.40 |
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BOPP & REUTHER S R GmbH MANNHEIM/GERMANY 1 5/8″ RELIEF VALVE, NEW $125.00 |
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Safety Relief Valve – Part #: 7HB503; Model #: DP 53048 $109.95 |
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Kunkle 6010 ED01 Pressure Relief Valve $104.99 |
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NEW MERCER 91-23F51V06U1 9100 SERIES PRESSURE RELIEF VALVE 1″ X 1-1/2″ $99.99 |
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NEW FULFLO VJ5R 1″ HYDRAULIC PRESSURE RELIEF VALVE $99.99 |
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NIB WATTS 3/4″ 40XL 8 T & P Relief Valve for Hot Water Supply System 0158774 $100.00 |
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KUNKLE ADMIRAL 171 D01 MC PRESSURE RELIEF VALVE 3/4″ $99.99 |
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New Plast-O-Matic Series RVD 1/2″ PVC Angle-Pattern Relief Valve RVDM050V-PV $110.49 |
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DRESSER INDUSTRIAL PRESSURE RELIEF VALVE 1982C-1 1/2″ $99.00 |
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SMC VHS5500-10-X1 PRESSURE RELIEF 3 PORT VALVE $109.99 |
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Vickers CGR 02 FK30 Relief Valve 19852.A with black knob $109.99 |
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Vickers CGR 02 FK30 Relief Valve 19852.A w/o black knob $109.99 |
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Rexroth R900905302 LFA 16 D-71/F Relief Valve $99.99 |
Relief Valve Questions
Excavator Troubleshooting Gas Control Valve
W4-60C Excavator brake pneumatic system, in between the pump and the reservoir pump equipped with a gas control valve, its main function is to separate compressed air Petroleum and water, filtered compressed air in the red dust and impurities, preventing gas storage bins compressed air back to the pump to ensure the gas pressure stabilized at 0.490-0.637MPa within the framework of a maximum pressure of not more than 0.784MPa. Failures often occur with the use of the following:
Pressure regulating valve damage due to leakage wither laminated sheet
Regulator diaphragm 6 as rubber, to withstand pressure due to its frequent repeated stamping, repeated hog, reset action, subject to gas, water corrosion, so Guchang diaphragm is damaged, it is most likely to occur in the control valve failure. Damaged diaphragm from the pump to the compressed gas through the membrane into the upper relief valve, rather than into the gas storage bins, causing reservoir pump pressure rise can not get on. At this point easy to increase the temperature relief valve, brake system pressure gauge showed less than atmospheric pressure, pressure regulating valve Office may hear the sound leakage.
Control valve shell rupture
The valve housing from the upper, middle and lower three parts, respectively, with screw connection. As the shell is made from aluminum, in the decomposition or a combination, if the demolition, installation screws improper methods, easy to make the shell burst. Down on the demolition, installation screws, they shall sub-diagonal and multiple loose screw or a screw, so that the surface of the shell by combined force to maintain its population in line, and prevent damage to both Shouli Bu.
Filter damaged
Compressed air filter is mainly used to filter out the dust and impurities, to prevent such substances into the excavator’s braking system. It consists of filter 30, vacuum pad 32 and a fixed drain plug 33 composed of, if prolonged use, maintenance not timely, it easy to filter wire breakage, vacuum pad damage. Therefore, caution should be maintained in the maintenance, if the damage shall promptly repair or change.
Pressure Regulating Valve to adjust air pressure is too high or too low
Normal working hours, if the gas storage barrel reached 0.637MPa gas pressure, the pressure regulating valve that is the lower pressure relief, so that pressure will not increase gas storage barrel. When the gas storage cylinder with air pressure below 0.49MPa, then should not be a pressure relief. The adjustment of this pressure can be changed by adjusting the screw a large spring 19 of the clamping force (tightening the gas increases; screw loose, pressure reduction) to achieve, such as the air pressure is still not adjusted properly, you can have two situations: a is the atmospheric pressure has been exceeded but failed to exhaust pressure relief. At this point you should consider whether to run the exhaust piston 12 o’clock blocked, and as a result of the piston cylindrical tight O-ring 34, the lower part of the exhaust piston spring 10 excellent, leaving the normal pressure of gas can not push the piston to run, they should wear uniform cut or adjust the outer ring, replacement springs. If the relief valve spring 18 compressed within the small tight, thimble 8 is difficult to promote, plug 9 axial hole blockage, can make air pressure can not be unloading; second is not yet reached the required pressure to exhaust pressure relief when it started. First, pressure regulator diaphragm leaks this reason, the second is due to the small pressure regulating valve spring too loose (or broken), or under pressure in the lower thimble can be promoted, so that relief valve on the shell holes continue to leak gas, causing the system pressure does not rise up. In this case the valve should first remove one screw on the first adjustment or replacement of a small spring, and then adjust the big spring.
The adjustment of the pressure relief valve is not normal
The role of safety valve is to ensure that gas storage cylinder with air pressure of not more than 0.78MPa. If the pressure exceeds 0.78MPa when the pressure relief valve still will make gas storage cylinder with air pressure continue to rise. This may be safety valve diaphragm 25 leak, valve spring 16 excellent result; such as air pressure does not meet the requested relief, because the weak spring is poor, inadequate preload, the valve 26 and valve seat 27 is not sealed making. You should adjust or replace the damaged parts, respectively.
Gas cylinder with gas shutdown after the back
Storage bins in order to prevent backflow of gas after the shutdown, the control valves are equipped with one-way valve 29, if the shutdown of gas after the gas storage bins back to the pump, this failure were due more to a one-way valve spring 28 elastic is too weak or broken lose role, should be adjusted or replaced this spring.
Excavator working pressure maintained at 0.490-0.637MPa within the maximum pressure shall not exceed 0.784MPa, an exception occurs when the pressure should be adjusted to the pressure regulating valve and safety valve. Making mechanical adjustments, adjust the safety valve should be an order of the first adjustment as follows:
1,screw on the pressure regulating valve to adjust the fixed nut screw loose, and then adjust the screw screwed in the end, so that the lower part of the exhaust valve can not be opened.
2, observe the safety valve when the pressure 0.784MPa can exhaust from the exhaust vent. If pressure does not increase or decrease to adjust to normal through the pads 23 be adjusted; low air pressure, increase gaskets, whereas reduction of gaskets, gaskets for each additional 1mm adjustable pressure 0.036MPa.
3,the relief valve adjusting screw out slowly until the exhaust valve opens to exhaust date, if the pressure at this time just for 0.637MPa was the best.
4,continuous excavators under the brake pedal repeatedly rub or to put gas pump reservoir at this time should be observed pick-up in pressure (exhaust piston off) is in between the 0.490-0.539MPa, if the pick-up in pressure is less than 0.490MPa, while the upper row of holes exhaust the same time, this time should be adjusted to a small spring pressure.
5, repeated adjustments, testing, until the compliance date.
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