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Unloader GP K7 Series
Manufacturer: General Pump
Manufacturer Part No: 1220
Product Options
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GP K-7 Series Flow-Through Unloader
General Pump Flow-through Unloader: K-7 Series (3500 PSI) This unloading valve is a flow-through design and should be mounted on the discharge line of the pump in any position (vertical or horizontal) which allows easy access to the adjusting bolt. A pressure gauge should be installed on either side of the port of the unloader to accurately read pressure during adjustment. Minimum 5% bypass is required for proper operation. Features all stainless and brass internal parts. No external moving parts or springs. Unique balance principle: eliminates high pressure in all lines while unit is in bypass mode. Eliminates pressure peaks normally generated by conventionally designed unloaders. Dual gauge ports. Available in 4 different gpm variations.
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Model
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Max Volume
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Max DP
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Max Temp.
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Part Number
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K-7.0
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2.1 to 2.9 GPM
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3500 PSI
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165 Degree-F
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1220
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K-7.1
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2.9 to 4.2 GPM
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3500 PSI
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165 Degree-F
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1393
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K-7.2
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4.2 to 6.6 GPM
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3500 PSI
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165 Degree-F
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1394
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K-7.3
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6.6 to 10.8 GPM
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3500 PSI
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165 Degree-F
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1395
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K-7 Series Unloader
• Features all stainless and brass internal parts.
• New design reduces sensitivity to entrapped air.
• No external moving parts or springs.
• Eliminates high pressure in all lines while unit is in bypass mode.
• Bypass restrictor eliminates pressure peaks during bypass.
• Unique balanced piston design permits precise pressure adjustments.
• Simple design for easy maintenance and service.
Port Sizes:
Inlet: 3/8-19 BSPP-F
Bypass: 3/8-19 BSPP-F
Outlet: 3/8-19 BSPP-M
Dimensions:
7.5 x 3.75 x 3.5 in.
Weight:
4.5 lbs
Note: General Pump recommends using a safety relief device in conjunction with this unloader valve when installed on a positive displacement pump. General Pump is not liable and assumes no responsibility for this valve when used in a customer’s high pressure system.
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