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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.
Webstone The Isolator Uni-Flange Ball Valve, Series: 4141, 1-1/4 in Nominal, IPS x Rotating Flanged Connection, Lever Handle Operator, 600 lb/sq-in WOG Pressure, 100 deg F, Forged Brass, Chrome-Plated Steel Handle, Brass Packing Material, PTFE Stem Seal, PTFE Seat, Brass Stem, HCP Brass Ball Trim, 3-5/16 in L
| Connection Type | : | IPS x Rotating Flanged |
| Dimensions | : | 3-5/16 in L |
| Handle Material | : | Chrome-Plated Steel |
| Material | : | Forged Brass |
| Nominal Size | : | 1-1/4 in |
| Operator Type | : | Lever Handle |
| Packing Material | : | Brass |
| Pressure Rating | : | 600 lb/sq-in WOG |
| Seal Material | : | PTFE Stem |
| Seat Material | : | PTFE |
| Stem Material | : | Brass |
| Temperature Rating | : | 100 deg F |
| Trim Material | : | HCP Brass Ball |
- 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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