Pumps and Pump Kits

We carry a full line of General Pumps, Comet Pumps, CAT Pumps and Replacement kits. Contact Us with any of your pump questions.

We carry a full line of General Pumps, Comet Pumps, and CAT Pumps and Replacement kits.

Pump Technical Information

Click to Expand and shrink

Correct Pump Installation is essential for optimum performance.

It is recommended that the pump flow capacity be oversized for the actual flow required. For optimum running of the system the water circulated through the regulating valve should not exceed 10 - 15% of the pump flow. Recirculating too much water can generate heat in the supply tank increasing the cavitation risk.

Frequently Asked Questions

Question: How much should you reduce the pump RPM to achieve a lower flow capacity?

Answer:

		Max R.P. M. allowed
Required R.P. M. = Expected capacity x		Max allowed capacity

Question: What diameter of pulley must I use to achieve the correct pump RPM?

Answer:

				R.P. M. pump
External diameter of the engine / motor pulley	= External diameter of the pump pulley	x		R.P.M. motor/engine

Question: What if I cannot change the engine / motor pulley?

Answer:

					R.P. M. motor
External diameter of the pump pulley	=	External diameter engine / motor pulley	x		Pump R.P.M

Question: If the engine / motor is running at a lower RPM than the maximum pump RPM allowed, what will be the pump flow capacity?

Answer:

					Max. capacity indicated on the label
Attainable maximum capacity	=	Engine / Motor R.P.M.	x		Max R.P.M. indicated on the label

Question: What is the approximate power required to achieve the max. performances allowed?

Answer:

Required electric motor HP

PSI x GPM
1460	=	Electric Motor HP

Required gas engine

PSI x GPM
1460	x	1.30		=	Gas Engine HP

Conditions to prevent pump cavitation: Minimum difference in height HZ (pos/neg) between pump and water level.

The minimum inlet pressure value of the pump is limited by the cavitation phenomenon. Cavitation is the forming of vapor bubbles when the local pressure is below the vapor pressure of the liquid. Bubbles flow together with the liquid and when they reach a higher pressure area, they collide, generating abnormal stresses that are extremely dangerous to the pump components. To avoid the risk of cavitation, it is necessary that the pump installation is correct.

You may also want to check out our Most Popular Pumps page for a short list of our most common pumps

Legacy Kit #2 (oil Seal Crank Case)

$14.00
- Add to Wishlist
- | Add to Compare
KIT #2 (OIL SEAL CRANK CASE) Learn More
Legacy Kit #1 Check Valve (6)

$47.00
- Add to Wishlist
- | Add to Compare
KIT #1 CHECK VALVE (6) Learn More
Legacy Kit #12 V-packing

$87.00
- Add to Wishlist
- | Add to Compare
KIT #12 V-PACKING Learn More
Genuine Interpump/General Pump Kits- Kit #8 V-Packing (Old Style)

$67.66
- Add to Wishlist
- | Add to Compare
KIT #8 V-PACKING Learn More
Interpump/General Pumps- Pump W92 Interpump 5.0/1700

$835.38
- Add to Wishlist
- | Add to Compare
PUMP W92 INTERPUMP 5.0/1700 Learn More
Legacy Kit #1 Genuine Ip Valves Only

$69.00
- Add to Wishlist
- | Add to Compare
KIT #1 GENUINE IP VALVES ONLY Learn More
Genuine Interpump/General Pump Kits- Kit 8 New Style Packing Kit

$74.00
- Add to Wishlist
- | Add to Compare
KIT 8-PACKING 20MM X 35 MM Learn More
Legacy Pump, Ww907g 3/4" H.shaft Bras"

$505.00
- Add to Wishlist
- | Add to Compare
PUMP, WW907G 3/4" H.SHAFT BRAS" Learn More
Interpump/General Pumps- Pump, WW906G 3/4" H.Shaft Brass

$527.00
- Add to Wishlist
- | Add to Compare
PUMP, WW906G 3/4" H.SHAFT BRASS Learn More
Legacy Pump Ws202 Interpump 5.6/3000

$999.00
- Add to Wishlist
- | Add to Compare
PUMP WS202 INTERPUMP 5.6/3000 Learn More