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Unloader Valves

The Unloader Valve’s function is to direct the flow of water exiting the pump. A positive displacement pump continuously pumps water with or without the spray gun being engaged. When the gun is closed, the Unloader Valve prevents the build up of dangerously high pressures by rerouting the water back to the inlet side of the pump. We and manufacturers recommend using a Pressure Relief Valve in conjunction with Unloader Valves when installed on a positive displacement pump.
Adjustable Trapped Pressure Unloaders - General Pump

Model GPM Pressure Inlet Outlet Bypass Temp. Qty Unit Price
YU3678 8.0 3650 3/8 NPT-F 3/8 NPT-F --- 195°
$95.99
YU3678MS 8.0 3650 3/8 NPT-F 1/2 NPT-M --- 195°
$104.99
YU4050K 10.0 4500 3/8 BSP-M 3/8 BSP-F 1/2 BSP-F 195°
$129.99
YU5075K 10.0 5650 3/8 BSP-M 3/8 BSP-F 1/2 BSP-F 195°
$110.99
YU5075KMM 10.0 5650 3/8 BSP-M 3/8 BSP-F 1/2 BSP-F 195°
$115.99
YU5075KMS 10.0 5650 3/8 BSP-M 3/8 BSP-F 3/8 BSP-F 195°
$235.99
YU5075KS 10.0 5650 3/8 BSP-M 3/8 BSP-F 1/2 BSP-F 195°
$127.99
YVB3K 6.5 3650 3/8 BSP-M 3/8 BSP-M 3/8 BSP-M 195°
$50.99
YVB3KA 6.5 3650 3/8 NPT-M 3/8 NPT-M 3/8 NPT-M 195°
$46.99
YVB3KTT 6.5 3650 1/4 NPT-M 3/8 NPT-M 3/8 NPT-F 195°
$51.99
YVB3KTTI18 6.5 3650 1/4 NPT-M 3/8 NPT-M 3/8 NPT-F 195°
$61.99
YVB3KTTI21 6.5 3650 1/4 NPT-M 3/8 NPT-M 3/8 NPT-F 195°
$61.99
YVB3KTTI23 6.5 3650 1/4 NPT-M 3/8 NPT-M 3/8 NPT-F 195°
$61.99
YVB5K 8.0 3650 3/8 BSP-M 3/8 BSP-F 3/8 BSP-F 195°
$56.99
YVB7K 8.0 3650 3/8 NPT-M 3/8 NPT-F 3/8 NPT-F 195°
$53.99
YVB8KMS 8.0 3650 3/8 BSP-F 3/8 BSP-F 3/8 BSP-F 195°
$77.99
YVB9K 8.0 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$76.99
YVB9KMS2 8.0 3650 3/8 BSP-F 3/8 BSP-F 3/8 BSP-F 195°
$95.99
YVB9KMSS 8.0 3650 3/8 BSP-F 1/2 BSP-M 3/8 BSP-F 195°
$109.99
ZKHM 10.8 3000 3/8 BSP-F 1/4 BSP-F 3/8 BSP-F 195°
$76.99
ZKHM1 10.8 3000 3/8 BSP-F 1/4 BSP-F 3/8 BSP-F 195°
$84.99


Trapped Pressure Unloaders - General Pump

Model GPM Pressure Inlet Outlet Bypass Temp. Qty Unit Price
P3KHPEZF21 8.0 4000 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$71.99
PULSAR3 8.1 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
PULSAR3HP 8.1 4000 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
PULSAR3KHP 8.1 4000 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
PULSAR3KHPEZ 8.0 4000 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
PULSAR3KMS2 8.0 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$91.99
Y60012205 8.0 1500 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$64.99
YU2121 21.0 2450 1/2 NPT-F 1/2 NPT-F 1/2 NPT-F 200°
$92.99
YU2140 21.0 4350 1/2 NPT-F 1/2 NPT-F 1/2 NPT-F 200°
$99.99
YU2158 21.0 6500 1/2 NPT-F 1/2 NPT-F 1/2 NPT-F 200°
$418.99
YU5221 53.0 2450 1 NPT-F 1 NPT-F 1 NPT-F 200°
$359.99
YU815 8.0 1750 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$50.99
YU815D 8.0 1750 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$59.99
YU815DRK 8.0 1750 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$62.99
YU815RK 8.0 1750 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$55.99
YU831 8.0 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
YU831D 8.0 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$52.99
YU831DI 8.0 3650 3/8 NPT-F 3/8 NPT-M 3/8 NPT-F 195°
$79.99
YU831DIRK 8.0 3650 3/8 BSP-F 3/8 BSP-F 3/8 BSP-F 195°
$82.99
YU831RK 8.0 3650 3/8 NPT-F 3/8 NPT-F 3/8 NPT-F 195°
$55.99
YUB2140 21.0 4350 1/2 NPT-F 1/2 NPT-F 1/2 NPT-F 200°
$92.99
YUW2121 21.0 2450 1/2 NPT-F 1/2 NPT-F 1/2 NPT-F 200°
$88.99
ZK3608 8.0 3600 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$92.99
ZK4010 10.5 4000 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 185°
$105.99
ZK5813 13.2 5800 1/2 BSP-F 1/2 BSP-M 1/2 BSP-F 185°
$77777.77


Control Set Pressure Unloaders - General Pump

Model GPM Pressure Inlet Outlet Bypass Temp. Qty Unit Price
190043 4.5 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$129.99
YU4050KDM 10.0 4500 3/8 BSP-F 3/8 BSP-M --- 195°
$154.99
YVB135KDM 6.5 2600 3/8 BSPP-F 3/8 BSPP-M --- 195°
$54.99
YVB135KDMI18 6.5 2600 3/8 BSPP-F 3/8 BSPP-M --- 195°
$79.99
YVB135KDMI21 6.5 2600 3/8 BSPP-F 3/8 BSPP-M --- 195°
$79.99
YVB135KDMI23 6.5 2600 3/8 BSPP-F 3/8 BSPP-M --- 195°
$79.99
YVB351KDM 6.5 3650 3/8 BSP-F 1/4 BSP-F --- 195°
$65.99
YVB351KDMI18 6.5 3650 3/8 BSP-F 1/4 BSP-F --- 195°
$78.99
YVB55KDM 8.0 3650 1/2 BSP-F 3/8 BSP-F --- 195°
$70.99
YVB55KDMI21 8.0 3650 1/2 BSP-F 3/8 BSP-F --- 195°
$80.99
YVB75KDMN 7.8 3650 1/2 BSP-F 3/8 BSP-F --- 195°
$62.99
YVB75KDMN21 7.8 3650 1/2 BSP-F 3/8 BSP-F --- 195°
$79.99
YVB75KTP 8.0 3650 3/8 BSP-F 3/8 BSP-M --- 195°
$77.99
YVB75KTPF21 8.0 3650 3/8 BSP-F 3/8 BSP-M --- 195°
$87.99
Z0KR1 2.1 1000 3/8 BSP-F M22 --- 165°
$118.99
ZKW1 3.0 1600 3/8 BSP-F 3/8 BSP-M --- 165°
$97.99
ZKW1SC 3.0 1600 3/8 BSP-F 3/8 BSP-M --- 165°
$95.99
ZKW21 4.5 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$115.99
ZKW21L 4.5 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$115.99
ZKW22L 6.0 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$124.99
ZKW2LSC 6.0 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$115.99
ZKW2SC 4.5 3000 1/2 BSP-F 3/8 BSP-M --- 200°
$115.99
ZKW326 2.6 3000 1/2 BSP-F 3/8 BSP-M --- 165°
$100.99
ZKW340 4.0 3000 1/2 BSP-F 3/8 BSP-M --- 165°
$100.99
ZKW355 5.5 3000 1/2 BSP-F 3/8 BSP-M --- 165°
$100.99


Flow Sensitive Unloaders - General Pump

Model GPM Pressure Inlet Outlet Bypass Temp. Qty Unit Price
190009 6.6 3000 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$105.99
190079 4.2 3000 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$105.99
190361 10.8 3000 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$105.99
ZK1 10.8 3600 3/8 BSP-F 1/2 BSP-M 1/2 BSP-M 165°
$81.99
ZK138 10.8 3600 3/8 BSP-F 3/8 BSP-M 1/2 BSP-M 165°
$81.99
ZK30 3.0 1500 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$73.99
ZK31 4.2 1500 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$73.99
ZK32 5.5 1500 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$73.99
ZK33 6.0 1500 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$73.99
ZK50 3.0 3000 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$75.99
ZK51 4.2 3000 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$75.99
ZK52 6.6 3000 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$75.99
ZK53 10.8 3000 3/8 BSP-F 3/8 BSP-M 3/4 BSP-M/F 165°
$75.99
ZK70 3.0 3500 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$99.99
ZK71 4.2 3500 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$99.99
ZK72 6.6 3500 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$119.99
ZK73 10.8 3500 3/8 BSP-F 3/8 BSP-M 3/8 BSP-F 165°
$99.99
ZK9 11.0 5800 3/8 BSP-F 3/8 BSP-M 1/2 BSP-F 165°
$475.99





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Goulds Pumps Introduces New e-SVâ„¢ Line of Stainless Steel, Vertical Multi-Stage Pumps Provides Energy Savings, Lower ...

ITT has enhanced its Goulds Pumps line of stainless steel, vertical multi-stage pumps with the introduction of new e-SVâ„¢ models. Featuring an innovative hydraulic design and highly efficient motor that significantly lowers lifecycle costs and increases energy savings, the pumps are suited for a wide variety of commercial and industrial applications.

Posted on 1 September 2010 | 3:00 pm

Autumn Fest in Little Elm Park

This year's Autumn Fest is scheduled in Little Elm Park from Sept. 23 through Sept. 26. Activities for the entire family include Pretty Baby Contest, horseshoes and washer toss, barbecue cook-off, homemade salsa contest, Little Miss Autumn Fest, Anything that Floats Race and a 5K fun run and 1 mile walk.

Posted on 5 September 2010 | 12:56 am

Cameron under pressure to defend Coulson as calls for inquiry grow

David Cameron was under growing pressure last night to defend Andy Coulson, his director of communications, after lawyers, senior politicians and other public figures called for a full inquiry into allegations that the scale of the News of the World phone hacking scandal was much greater than police have acknowledged.

Posted on 5 September 2010 | 6:23 pm

1998 Ford Puma from UK and Ireland - Comments

I have just bought an R reg 98 Puma. Wanted a Puma for a long time, and I love it. Early days yet, so can't really comment on anything :S. 1) My windowscreen sprayer jet doesn't seem to work at all on front, any ideas? Also, is it legal to drive a car without window washer facilities?

Posted on 5 September 2010 | 1:56 pm

2002 Seat Ibiza S from UK and Ireland - Comments

The ignition coils went faulty at 10,000 miles, then again at 20,000 miles and again at 30,000 miles. The rear windscreen washer stopped working just 1 year after car was bought new, and again in it's second year.

Posted on 5 September 2010 | 1:57 pm

Taxing for services in line with state goals

The legislature wants you to take your dirty laundry to the Laundromat rather than buying a washer. It wants you to hire someone to mow your yard rather than buying a mower and doing it yourself.

Posted on 3 September 2010 | 10:21 pm

Heat pumps stolen from vacant house

Thieves kicked in the front door to a vacant, foreclosed home in the 100 block of Westchester Circle on Thursday or Friday and stole heat pumps valued at $4,000, Athens-Clarke police said.

Posted on 3 September 2010 | 10:09 am

Cold Harbour, London, 2 bedroom flat

Large 2 bedroom 2 bathroom apartment now available for rent, this property is offered furnished to a high standard and boasts an excellent living area and bedroom space.Fully fitted kitchen with integrated appliances which include a washer/dryer, dishwasher and fridge freezer, tiled bathroom/wc with contemporary fixtures and fittings, secure parking, access to 24 hour concierge.

Posted on 4 September 2010 | 12:03 pm

Borghi starting to feel pressure at Boca

With only one victory from the first five games of Argentina's Apertura season, Boca Juniors' new coach Claudio Borghi is starting to face new pressure. Boca lost 2-1 over the weekend to San Lorenzo in a match that saw Boca defender Gary Medel sent off five minutes before halftime. Sebastian Balas and Juan Menseguez scored second-half goals before Martin Palermo pulled one back in...

Posted on 5 September 2010 | 10:09 pm

Conn. drivers got summer respite at pumps

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Posted on 5 September 2010 | 12:35 pm

Stimulus pressure on Fed eases a bit

Higher-than-forecast U.S. private job gains may reduce pressure on Federal Reserve policy makers to add monetary stimulus this month without closing the door to a move later this year, economists said. The report reduces the odds of a relapse into a recession while also reinforcing the view of Fed policy makers that the economy is recovering more slowly than they would like. The president ...

Posted on 4 September 2010 | 11:37 pm

Sport as a natural high blood pressure blocker

Berlin - High blood pressure is a significant factor in cardiovascular disease such as stroke or heart attack.

Posted on 5 September 2010 | 10:28 pm

Pumps replaced; rags caused malfunction

Three pumps that failed Tuesday in Cohoes, sending thousands of gallons of raw sewage into a creek, appear to have shut down because of something that should not have been flushed down the toilet.

Posted on 1 September 2010 | 4:42 pm

Petrol pumps to shut from Sep 20 till demands met: FAIPT

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Posted on 5 September 2010 | 1:24 am

Kansas City Renaissance Festival returns

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Posted on 5 September 2010 | 10:46 pm

Pressure on Kenny MacAskill as drug trial is halted

PRESSURE was mounting on justice secretary Kenny MacAskill last night after a cannabis trial was postponed as a result of a high-profile campaign to crack down on domestic fac

Posted on 2 September 2010 | 7:15 pm

Pressure washer, rifle, chainsaw, more stolen from Kings Mountain home

A chainsaw, pressure washer and rifles were just some of the items reported stolen from a Kings Mountain home Thursday. According to the Cleveland County Sheriff’s Office, a residence on the 100 block of Tiara Drive was broken into sometime before...

Posted on 27 August 2010 | 2:28 pm

High-pressure "alley" steering tropical storms away from land

The high-pressure systems that steered Danielle, Earl and Fiona to the north might still be in place if and when the next tropical system threatens the East Coast.

Posted on 4 September 2010 | 2:25 am

UPDATE: Pumps in Cohoes for sewage spill

Officials say the pumps for the sewage spill in Cohoes should be up and running by Wednesday night.

Posted on 1 September 2010 | 2:56 pm

Hacking Claims: Pressure Piles On PM Aide

Pressure is mounting against Andy Coulson - the Prime Minister's chief spin doctor and former News of the World editor - as former ministers call for a fresh inquiry into alleged phone-hacking by journalists.

Posted on 4 September 2010 | 11:42 am

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