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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.
Webstone The Isolator Uni-Flange Ball Valve with Drain and Purge, Series: 5041, 1-1/4 in Nominal, Sweat x Flanged Connection, 1-1/4 in Opening, T-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, 4-3/4 in L
| Connection Type | : | Sweat x Flanged |
| Dimensions | : | 4-3/4 in L |
| Handle Material | : | Chrome-Plated Steel |
| Material | : | Forged Brass |
| Nominal Size | : | 1-1/4 in |
| Opening Size | : | 1-1/4 in |
| Operator Type | : | T-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 adjustable packing gland nut and bolt
- Conical inlet to minimize turbulence
- Slotted holes for high velocity pumps
- Fits virtually any circulator pump
- Designed for residential, commercial or industrial use with water or a glycol mixture
- Valve is actuated by 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
- Fit both standard and high velocity pumps
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