These valves have revolutionized the installation of circulator pumps. Our original Isolator uni-flange ball valve design has evolved into the largest flanged ball valve program in the industry today. No matter what your installation requires, there is an Isolator to meet your needs.

• With detachable rotating flange
• With adjustable packing gland nut and bolt
• Saves labor, saves space and reduces leak paths
• Prevents electrolysis
• Eliminates galvanic corrosion
• Allows virtually no air into system upon pump replacement
• Slotted holes for high velocity pumps
• Guaranteed for life
• Designed for residential, commercial or industrial use with water or a glycol mixture
• Valve is actuated by a blowout proof stem and features an adjustable packing gland
• Flange features a conical inlet to minimize turbulence
• Other solder materials have lower pressure/temperature limits
• Do not silver braze or over heat valves when soldering
• Patented technology
• Brass end cap, seat retainer, drain end cap, drain stem, drain packing gland and drain handle screw, stainless steel handle nut, vinyl handle jacket, steel zinc plated flange bolts and nuts, PTFE drain seat and drain stem seal, enamel coated aluminum drain handle, EPDM washer, brass cap with EPDM strap

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B & K Water 488-30 Ball Valve 1/4" Threaded
The B&K valves are precisely engineered for outstanding service, long life and reliable performance. These valves offer easy operation, superior flow and include a wide range of water/oil/gas (WOG) valves, gas valves and water valves constructed from forged brass, CPVC and PVC materials. Valves are arranged in series reflecting the valves performance characteristics, connection types and handle style. B and K valves are created to meet UPC and ICC plumbing code requirements and are certified to meet NSF 61 with many available in lead-free compliant versions.

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B & K Water 487-1 Full Port Gate Valve 1/2" FPT

B & K Water 483-1 Bronze Globe Valve 1/2" IPS Threaded
The B&K valves are precisely engineered for outstanding service, long life and reliable performance. These valves offer easy operation, superior flow and include a wide range of water/oil/gas (WOG) valves, gas valves and water valves constructed from forged brass, CPVC and PVC materials. Valves are arranged in series reflecting the valves performance characteristics, connection types and handle style. B&K valves are created to meet UPC and ICC plumbing code requirements and are certified to meet NSF 61 with many available in lead-free compliant versions.

• Rotating disc for low wear
• Large flow area,
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  B & K Water 483-1

B & K Water488-1 Ball Valve 3/8" FPT
The B&K valves are precisely engineered for outstanding service, long life and reliable performance. These valves offer easy operation, superior flow and include a wide range of water/oil/gas (WOG) valves, gas valves and water valves constructed from forged brass, CPVC and PVC materials. Valves are arranged in series reflecting the valves performance characteristics, connection types and handle style. B and K valves are created to meet UPC and ICC plumbing code requirements and are certified to meet NSF 61 with many available in lead-free compliant versions.

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Holyoke Fittings 35-6S12 Angle Oil Tank Drum Valve, 3/8 x 3/4", SAE,
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Holyoke Fittings 495-2

B & K Water Bronze Globe Valve 3/8" IPS Threaded
The B&K valves are precisely engineered for outstanding service, long life and reliable performance. These valves offer easy operation, superior flow and include a wide range of water/oil/gas (WOG) valves, gas valves and water valves constructed from forged brass, CPVC and PVC materials. Valves are arranged in series reflecting the valves performance characteristics, connection types and handle style. B&K valves are created to meet UPC and ICC plumbing code requirements and are certified to meet NSF 61 with many available in lead-free compliant versions.

• Rotating disc for low wear
• Large flow area

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B & K Water 487 Gate Valve Full Port 3/8" FPT
The B&K valves are precisely engineered for outstanding service, long life and reliable performance. These valves offer easy operation, superior flow and include a wide range of water/oil/gas (WOG) valves, gas valves and water valves constructed from forged brass, CPVC and PVC materials. Valves are arranged in series reflecting the valvesperformance characteristics, connection types and handle style. B&K valves are created to meet UPC and ICC plumbing code requirements and are certified to meet NSF 61 with many available in lead-free compliant versions.

• 6-point cast-iron handle

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Webstone Valve Pro Pal Series Ball Drain 50612 Forged Brass Lever Handle,
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These valves have revolutionized the installation of circulator pumps. Our original Isolator uni-flange ball valve design has evolved into the largest flanged ball valve program in the industry today. No matter what your installation requires, there is an Isolator to meet your needs.

• With adjustable packing gland nut and bolt
• Saves labor, saves space and reduces leak paths
• Prevents electrolysis
• Eliminates galvanic corrosion
• Allows virtually no air into system upon pump replacement
• Slotted holes for high velocity pumps
• Guaranteed for life
• Designed for residential, commercial or industrial use with water or a glycol mixture
• Valve is actuated by a blowout-proof stem and features an adjustable packing gland
• Flange features a conical inlet to minimize turbulence
• Other solder materials have lower pressure/temperature limits
• Do not silver braze or overheat valves when soldering
• Patented technology
• Brass end cap, seat retainer, drain end cap, drain stem, drain packing Gallonnd and drain handle screw, stainless steel handle nut, vinyl handle jacket, steel zinc plated flange bolts and nuts, PTFE drain seat and drain stem seal, enamel coated aluminum drain handle, EPDM washer, Brass cap with EPDM strap

Sid Harvey Item #:50413: Replaces Part #:'s : R55-642,
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Webstone Valve The Isolator 50416 Forged Brass Lever Handle Full Port Uni-Flange Ball Valve with Drain, 1-1/2", Sweat x Flange

• With high flow hose drain
• Bonus wing style T-handle, nuts and bolts
• Brass end cap, seat retainer, drain end cap, drain stem, drain packing gland and drain handle screw, stainless steel handle nut, vinyl jacket, zinc plated steel flange bolt and nuts, PTFE drain seat and stem seal, HCP brass drain ball, enamel coated aluminum drain handle, EPDM washer, brass cap with EPDM strap, CP steel wing handle
• Actuated by a blow-out proof stem and adjustable packing gland
• Flange features a conical inlet to minimize turbulence
• Other solder materials have lower pressure/temperature limits
• Do not silver braze or over heat valves when soldering

Sid Harvey Item #:50416: Replaces Part #:'s : R55-645,
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Webstone Valve Pro Pal Series Ball Drain 50615 Forged Brass Lever Handle,
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